Relevant bibliographies by topics / Recovery boiler

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Recovery boiler'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Recovery boiler"

1

TRAN, HONGHI, and DANNY TANDRA. "Recovery boiler sootblowers: History and technological advances." January 2015 14, no. 1 (February 1, 2015): 51–60. http://dx.doi.org/10.32964/tj14.1.51.

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Sootblowing technology used in recovery boilers originated from that used in coal-fired boilers. It started with manual cleaning with hand lancing and hand blowing, and evolved slowly into online sootblowing using retractable sootblowers. Since 1991, intensive research and development has focused on sootblowing jet fundamentals and deposit removal in recovery boilers. The results have provided much insight into sootblower jet hydrodynamics, how a sootblower jet interacts with tubes and deposits, and factors influencing its deposit removal efficiency, and have led to two important innovations: fully-expanded sootblower nozzles that are used in virtually all recovery boilers today, and the low pressure sootblowing technology that has been implemented in several new recovery boilers. The availability of powerful computing systems, superfast microprocessors and data acquisition systems, and versatile computational fluid dynamics (CFD) modeling capability in the past two decades has also contributed greatly to the advancement of sootblowing technology. High quality infrared inspection cameras have enabled mills to inspect the deposit buildup conditions in the boiler during operation, and helped identify problems with sootblower lance swinging and superheater platens and boiler bank tube vibrations. As the recovery boiler firing capacity and steam parameters have increased markedly in recent years, sootblowers have become larger and longer, and this can present a challenge in terms of both sootblower design and operation.
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Saari, Jussi, Ekaterina Sermyagina, Juha Kaikko, Markus Haider, Marcelo Hamaguchi, and Esa Vakkilainen. "Evaluation of the Energy Efficiency Improvement Potential through Back-End Heat Recovery in the Kraft Recovery Boiler." Energies 14, no. 6 (March 11, 2021): 1550. http://dx.doi.org/10.3390/en14061550.

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Sustainability and energy efficiency have become important factors for many industrial processes, including chemical pulping. Recently complex back-end heat recovery solutions have been applied to biomass-fired boilers, lowering stack temperatures and recovering some of the latent heat of the moisture by condensation. Modern kraft recovery boiler flue gas offers still unutilized heat recovery possibilities. Scrubbers have been used, but the focus has been on gas cleaning; heat recovery implementations remain simple. The goal of this study is to evaluate the potential to increase the power generation and efficiency of chemical pulping by improved back-end heat recovery from the recovery boiler. Different configurations of heat recovery schemes and different heat sink options are considered, including heat pumps. IPSEpro simulation software is used to model the boiler and steam cycle of a modern Nordic pulp mill. When heat pumps are used to upgrade some of the recovered low-grade heat, up to +23 MW gross and +16.7 MW net power generation increase was observed when the whole pulp mill in addition to the boiler and steam cycle is considered as heat consumer. Combustion air humidification proved to yield a benefit only when assuming the largest heat sink scenario for the pulp mill.
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MAAKALA, VILJAMI, and PASI MIIKKULAINEN. "Dimensioning a recovery boiler furnace using mathematical optimization." February 2015 14, no. 2 (March 1, 2015): 119–29. http://dx.doi.org/10.32964/tj14.2.119.

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Capacities of the largest new recovery boilers are steadily rising, and there is every reason to expect this trend to continue. However, the furnace designs for these large boilers have not been optimized and, in general, are based on semiheuristic rules and experience with smaller boilers. We present a multiobjective optimization code suitable for diverse optimization tasks and use it to dimension a high-capacity recovery boiler furnace. The objective was to find the furnace dimensions (width, depth, and height) that optimize eight performance criteria while satisfying additional inequality constraints. The optimization procedure was carried out in a fully automatic manner by means of the code, which is based on a genetic algorithm optimization method and a radial basis function network surrogate model. The code was coupled with a recovery boiler furnace computational fluid dynamics model that was used to obtain performance information on the individual furnace designs considered. The optimization code found numerous furnace geometries that deliver better performance than the base design, which was taken as a starting point. We propose one of these as a better design for the high-capacity recovery boiler. In particular, the proposed design reduces the number of liquor particles landing on the walls by 37%, the average carbon monoxide (CO) content at nose level by 81%, and the regions of high CO content at nose level by 78% from the values obtained with the base design. We show that optimizing the furnace design can significantly improve recovery boiler performance.
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LEPPÄNEN, AINO, and ERKKI VÄLIMÄKI. "Improving recovery boiler availability through understanding fume behavior." March 2016 15, no. 3 (April 1, 2016): 187–93. http://dx.doi.org/10.32964/tj15.3.187.

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Unexpected recovery boiler shutdowns are rare, but they can cost millions of dollars in lost income. Sometimes the inorganic compounds in black liquor can cause sudden fouling or plugging problems that could not be predicted beforehand. The ash particles can be divided into two main types and size classes: carryover and fume. This paper focuses on the smaller fume particles that form through the condensation of alkali metal vapors and that deposit via different mechanisms than carryover. The location of fume deposition depends on several factors, such as flue gas and superheater temperatures, black liquor composition, and the flow field in the boiler. This paper presents results obtained with a computational method that simulates fume formation in recovery boilers. The paper focuses on the effect of black liquor composition and elemental release on fume behavior and suggests how these observations should be taken into account when designing new boilers or retrofits. Moreover, the paper introduces the possible applications of the modeling method. These include, for example, troubleshooting of fouling problems in existing boilers, designing superheater configurations for new boilers, and positioning soot blowers.
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ANTUNES GUIMARÃES, MATHEUS, HONGHI TRAN, and MARCELO CARDOSO. "A novel method for determining the internal recycled dust load in kraft recovery boilers." August 2014 13, no. 8 (September 1, 2014): 27–34. http://dx.doi.org/10.32964/tj13.8.27.

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In kraft recovery boiler operation, fly ash or dust generated from black liquor combustion is mixed with the virgin black liquor in a mix tank and returned to the boiler with the as-fired black liquor. This internal recycled dust stream varies widely from boiler to boiler and from time to time and can have a great impact on the as-fired black liquor flow and properties and, ultimately, on the boiler thermal performance. A new method has been developed to quickly and accurately determine the amount of internal recycled dust in recovery boilers. The method is based on the difference between the total organic carbon content of the virgin black liquor and that of the as-fired black liquor. Tests using the method were performed on recovery boilers at three of Fibria’s mills in Brazil. The results show that while the specific virgin black liquor solids produced at these mills were about the same, the internal recycled dust load varied widely, from as low as 4 wt% of as-fired black liquor solids fired in the boiler at one mill to as high as 15 wt% at another mill. Instead of total organic carbon values, heating values may also be used, but the result is not as accurate.
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Harila, P., and V. A. Kivilinna. "Biosludge Incineration in a Recovery Boiler." Water Science and Technology 40, no. 11-12 (December 1, 1999): 195–200. http://dx.doi.org/10.2166/wst.1999.0712.

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An activated sludge process is an effective tool against effluent emissions in a pulp mill. It has only a few features which can be regarded deficiences. One of them is that effluent treatment of a modern pulp mill creates some 10-20 tonnes dry solids of biosludge per day. This sludge is difficult to burn due to its high moisture content. The most common way is to mix biosludge with primary sludge, to dewater the mixture in presses and finally to burn it in a solid fuel boiler. This type of sludge treatment incurs rather high costs and does not produce any net energy. Also combustion emissions vary depending on the boiler type. The Metsä-Botnia Kemi Pulp Mill was the first mill in the world to burn biosludge in a recovery boiler. The system start-up was in 1993 and it has been in operation ever since. Mechanically dewatered biosludge is mixed with weak black liquor and concentrated in a conventional evaporation plant equipped with a pressurized superconcentrator unit. In a modern recovery boiler, firing conditions are well controlled and monitored. Better emission control than in most bark fired boilers is achieved. Accumulation of nonprocess elements, corrosion, plugging, scaling and some other operational problems were expected. A lot of experience has been gathered during the years of operation and reviewed in this presentation. The achieved benefits of the system are discussed. Disposal of biosludge in a recovery boiler offers an economically and environmentally attractive alternative. Probably the best evidence from this is the fact that Metsä-Botnia has applied the same process solution in the recent reconstruction of the recovery departments at the Jouteno Mill.
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Fialko, Nataliia, Raisa Navrodska, Malgorzata Ulewicz, Georgii Gnedash, Sergii Alioshko, and Svitlana Shevcuk. "Environmental aspects of heat recovery systems of boiler plants." E3S Web of Conferences 100 (2019): 00015. http://dx.doi.org/10.1051/e3sconf/201910000015.

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The results of studies on improving the environmental characteristics of boiler plants of municipal heat-power engineering in the application of technologies for the deep recovery of heat from exhaust-gases of gas-fired boilers are presented. The data on the reduction of environment by reducing the amount and temperature of harmful emissions resulting from fuel combustion are given. The data are given for boiler plants equipped with complex heat-recovery systems characterized by cooling the exhaust-gases below the dew point of the water vapor contained in them. It is shown that the decrease in emissions is due to a decrease in fuel consumption in boilers due to the beneficial use of the heat of exhaust-gases in these systems and the dissolution of nitrogen and carbon oxides in the condensate, formed in the heat-recovery equipments. The analysis of improving the environmental safety of boiler plants when used in heat-recovery technologies of corrosion protection systems for chimneys has been performed. Anticorrosion protection is provided by preventing condensate formation in the exhaust-gas ducts of boiler plants when using technologies for the deep recovery of exhaust-gas heat. To prevent condensate formation, the method of pre-drying cooled exhaust-gases in a heat exchanger-preheater installed after heat-recovery equipment is used. It is also shown that the use of complex heat-recovery systems provides in the boiler plant additional water in the form of condensate formed during condensation of moisture from exhaust-gases. Receipt of this condensate is another ecological effect of heat-recovery, which allows reducing the consumption of natural water resources for supply municipal heat networks.
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Mao, Xiaosong, and Honghi Tran. "Formation of blue deposits in kraft recovery boilers." March 2016 15, no. 3 (April 1, 2016): 195–203. http://dx.doi.org/10.32964/tj15.3.195.

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Fireside deposits in recovery boilers are typically white, red, pink, grey, black, or occasionally yellow, depending on where they are in the boiler, the mechanisms by which they are formed, and the environment to which they are exposed. Although rare, blue deposits have been reported, and some were “bluer” than others. This study systematically examines the cause of the blue coloration of deposits in recovery boilers. The results show that for a deposit to become blue, it must a) contain sodium carbonate, b) contain a small amount of manganese, c) be molten or partially molten, and d) have exposure to an oxidizing atmosphere. Because deposits always contain sodium carbonate and manganese, these requirements suggest that blue deposits can form only in the superheater region of the recovery boiler when oxidizing conditions prevail. Blue coloration is thus more likely to be observed in boilers operating at a reduced firing load with a high excess oxygen target.
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Tuński, Tomasz, Cezary Behrendt, and Marcin Szczepanek. "Mathematical Modeling of the Working Conditions of the Ship’s Utilization Boiler in Order to Evaluate Its Performance." Energies 12, no. 16 (August 13, 2019): 3105. http://dx.doi.org/10.3390/en12163105.

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The paper presents a mathematical model allowing the determination of the amount of saturated steam produced in marine water tube boilers and smoke tube boilers. The mathematical model includes the impact of the exhaust gas temperature and its amount, ambient temperature, engine power load, and location of boiler tubes. In addition to the amount of steam generated in a boiler, it is also feasible to establish flow resistance of the exhaust gas in the boiler determined by the boiler tubes’ arrangement and the thickness of scale deposits and the exhaust gas temperature after the exhaust gas boiler. Due to the model universality, it may be applied not only to make calculations for existing boilers, but also to perform numerical experiments in order to determine the amount of steam produced by the entire range of boilers used in the waste heat recovery systems in power marine systems and the adopted limit values, such as exhaust gas flow resistance and their temperature, after the boiler. The reliability of the obtained results has been revised by comparing them with the outcomes of the experiments performed on the ships.
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Fialko, N. M., G. A. Presich, G. A. Gnedash, S. I. Shevchuk, and I. L. Dashkovska. "INCREASE THE EFFICIENCY OF COMPLEX HEAT-RECOVERY SYSTEMS FOR HEATING AND HUMIDIFYING OF BLOWN AIR OF GAS-FIRED BOILERS." Industrial Heat Engineering 40, no. 3 (September 7, 2018): 38–45. http://dx.doi.org/10.31472/ihe.3.2018.06.

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The work is devoted to increase of thermal and ecological efficiency of water-heating gas-fired boilers of municipal heat-power engineering. To improve thermal efficiency, heat-recovery technologies are used in which deep cooling of the exhaust-gases from boilers with the realization of the condensation mode of the heat recovery equipment is ensured. To implement this regime throughout the heating period, it is advisable to use complex heat-recovery systems in which several heat transfer agents are heated with sufficiently different thermal potentials. To enhance the environmental effect when using complex systems, it is possible to carry out combustion air humidifying in them, which contributes to the reduction of NOx emissions to the environment by the boiler plants. The work suggests improvement of the known complex heat-recovery system for heating and humidifying the blown air by introducing into its comprise an additional element - water heater of chemical water-purification system. Such the technological solution will ensure a reduction in the thermal losses of the boiler plant and improve the operating conditions of the gas ducts of the boiler house by preventing the condensate from falling out of the wet exhaust-gases. The aim of the work is to investigate the operating parameters of the complex heat-recovery system for heating and humidifying the blown air and preheating the water for chemical water-purification and comparing its basic heatly and humidity characteristics with the corresponding complex system without preheating the water. The results of the investigations are presented in a wide operating range of the load variation of the water-heating boiler respectively the boiler plant temperature graph and are shown graphically. The analysis of the obtained data showed that due to the proposed modernization by preheating the water of the chemical water-purification system in the complex heat-recovery system for heating and humidifying the blown air, an increase of coefficient the use heat of fuel of boilers is provided, depending on their load from 11% to 17%. For this improved heat-recovery system with preheating the water of the chemical water-purification system in comparison with the system without such preheating, the total heating capacity of the complex system increases by 1.3÷1.6 times, and the coefficient the use heat of fuel of the boiler increases by 5.2%.
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Dissertations / Theses on the topic "Recovery boiler"

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Ribeiro, Júlio César Torres. "Smelt spout corrosion in a recovery boiler." Universidade Federal de Viçosa, 2010. http://locus.ufv.br/handle/123456789/5896.

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Made available in DSpace on 2015-03-26T14:01:03Z (GMT). No. of bitstreams: 1 texto completo.pdf: 4064077 bytes, checksum: 9b21ed6ac17078998aca806bb631cda3 (MD5) Previous issue date: 2010-06-14
Acidentes com Bicas de Smelt são reportados pelo Black Liquor Recovery Boiler Advisory Committee, BLRBAC, e constituem uma preocupação real de segurança sob o ponto de vista operacional. Tipicamente o smelt escorre através de bicas refrigeradas a água da fornalha para o tanque dissolvedor e uma falha pode levar a explosões pelo contato água-smelt. Este trabalho estuda um caso real onde condições severas de corrosão culminaram com a falha em serviço de uma de seis bicas em uma caldeira de recuperação na CENIBRA. A falha resultou em grande volume de água de resfriamento entrando na caldeira e em contato com smelt ao redor da abertura da bica, mas felizmente não ocorreram explosões água-smelt. Uma elaborada investigação foi conduzida para se determinar as causas da falha da bica. Conclui-se que a falha foi causada por fluxo insuficiente de água de resfriamento para a bica de smelt, que, por sua vez, foi causada por uma seqüência de eventos que ocorreram após uma falha geral no sistema de geração de energia elétrica da fábrica. O estudo do evento levou ao desenvolvimento e implantação de procedimentos operacionais e de manutenção que tem por objetivo assegurar fluxo de água de resfriamento adequado para as bicas de smelt para prevenção de falhas recorrentes.
Smelt Spout accidents are reported by Black Liquor Recovery Boiler Advisory Committee, BLRBAC, and constitute a real safety concern from the operational point of view. Typically smelt flows through water cooled spouts from furnace to the smelt dissolving tank and a failure can lead to smelt-water contact explosions. This work studies a real case where severe corrosion led to an in-service failure of one of the six spouts on a recovery boiler at Cenibra. The failure resulted in a large amount of cooling water entering the boiler and contacting smelt around the spout opening, but fortunately no smelt-water explosion occurred. An extensive investigation was conducted to determine the causes of the spout failure. It was concluded that the failure was caused by insufficient cooling water flow to the smelt spout, which, in turn, was caused by a sequence of events that occurred after a general black out of an electrical energy system at the mill. The experience has led to the development and placement of operating and maintenance procedures that ensure adequate cooling water flow to smelt spouts to prevent future failures.
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Fakhrai, Reza. "Black liquor conbustion in Karft Recovery Boiler-Numerical Modelling." Doctoral thesis, KTH, Materialvetenskap, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3348.

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Edberg, Alexandra. "Monitoring Kraft Recovery Boiler Fouling by Multivariate Data Analysis." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230906.

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This work deals with fouling in the recovery boiler at Montes del Plata, Uruguay. Multivariate data analysis has been used to analyze the large amount of data that was available in order to investigate how different parameters affect the fouling problems. Principal Component Analysis (PCA) and Partial Least Square Projection (PLS) have in this work been used. PCA has been used to compare average values between time periods with high and low fouling problems while PLS has been used to study the correlation structures between the variables and consequently give an indication of which parameters that might be changed to improve the availability of the boiler. The results show that this recovery boiler tends to have problems with fouling that might depend on the distribution of air, the black liquor pressure or the dry solid content of the black liquor. The results also show that multivariate data analysis is a powerful tool for analyzing these types of fouling problems.
Detta arbete handlar om inkruster i sodapannan pa Montes del Plata, Uruguay. Multivariat dataanalys har anvands for att analysera den stora datamangd som fanns tillganglig for att undersoka hur olika parametrar paverkar inkrusterproblemen. Principal·· Component Analysis (PCA) och Partial Least Square Projection (PLS) har i detta jobb anvants. PCA har anvants for att jamfora medelvarden mellan tidsperioder med hoga och laga inkrusterproblem medan PLS har anvants for att studera korrelationen mellan variablema och darmed ge en indikation pa vilka parametrar som kan tankas att andras for att forbattra tillgangligheten pa sodapannan. Resultaten visar att sodapannan tenderar att ha problem med inkruster som kan hero pa fdrdelningen av luft, pa svartlutens tryck eller pa torrhalten i svartluten. Resultaten visar ocksa att multivariat dataanalys ar ett anvandbart verktyg for att analysera dessa typer av inkrusterproblem.
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Tan, Geng. "Cooling characteristics and thermal properties of kraft recovery boiler smelt." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0027/MQ50374.pdf.

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Nikfarman, Hanieh. "Determination of thermal conductivity of recovery boiler char bed materials." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0016/MQ58746.pdf.

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Meyer, Joseph Freeman. "Recovery boiler superheater corrosion - solubility of metal oxides in molten salt." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47742.

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The recovery boiler in a pulp and paper mill plays a dual role of recovering pulping chemicals and generating steam for either chemical processes or producing electricity. The efficiency of producing steam in the recovery boiler is limited by the first melting temperature of ash deposits that accumulate on the superheater tubes. Above the first melting temperature, the molten salt reacts with the protective oxide film that develops and dissolves it. The most protective oxide is determined by evaluating how little it dissolves and how its solubility changes in the molten salt. Solubility tests were done on several protective oxides in a known salt composition from a recovery boiler that burns hardwood derived fuel. ICP-OES was used to measure concentration of dissolved metal in the exposure tests while EDS and XRD were used to verify chemical compositions in exposure tests. NiO was found to be the least soluble oxide while Cr₂O₃ and Al₂O₃ had similar solubility with Fe₂O₃ being less soluble than Cr₂O₃ but more soluble than NiO. Exposure tests with pure metals and selected alloys indicated that even though Fe₂O₃ has little solubility, it is not a protective oxide and causes severe corrosion in stainless steels. The change in performance of iron based alloys was due to the development of a negative solubility gradient for Fe₂O₃ where Fe₂O₃ precipitated out of solution and created a continuous leaching of oxide. Manganese was found to be beneficial in stainless steels but its role is still unknown. Nickel based alloys were found to be least corroded due to nickel's low solubility and because it did not form a negative solubility gradient.
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Jansson, Johan. "Economical optimization of steam data for recovery boilers." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-144328.

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Pulp and paper mills are high power consuming industries. Pulp and integrated mills produce power via steam turbines in recovery boilers. Due to high power prices and the fact that biomass combusted in the recovery boiler is considered as green energy, there is today a desire to always increase the power generation when investing in new recovery boilers. In order to increase power output from the steam turbine the steam data (i.e temperature and pressure) needs to be increased. With higher steam temperature follows a higher risk of corrosion due to the non process element potassium in the boiler fuel. The uncertainties of high temperature corrosion and the unpredictable environment in the furnace makes it difficult to design recovery boilers. This results in higher investment cost and could lead to less profit for the mill buying the boiler. The question then stands whether the revenue obtained from the higher power generation, is higher than the investment made for the upgrade in order to produce the higher steam data over a certain time. And more specifically what steam data will be the most economical, when comparing revenue from power generation with investment cost? In this study, together with ÅF Industry AB, four boilers with different steam data (Boiler A: 38.5 bar, 450°C; Boiler B: 92 bar, 480°C; Boiler C: 106 bar, 500°C; Boiler D: 115 bar, 515°C) were compared. The boilers were compared for four potassium levels: 1.0wt%, 1.5wt%, 2.5wt%, 3.5wt%. And two values of power were used, 300 SEK/MWh and 700 SEK/MWh. The marginal differences between the boilers were: the amount of material used in the superheaters in order to produce different steam data; the type of material used in the superheaters and the furnace; whether an ash-treatment system was needed (in order to purge potassium from the process); the turbines and generators; whether a feed water demineralization equipment was needed; the yearly cost for make-up chemicals (due to usage of an ash-treatment system) and the amount of power generated. The boilers investment cost and net yearly revenue were compared in order to determine the marginal pay-off in years. The most economical choice of boiler for the different potassium levels for 300 SEK/MWh: 1.0wt%, Boiler D; 1.5wt%, Boiler C; 2.5wt%, Boiler B; 3.5wt%, Boiler D (A). And for 700 SEK/MWh: 1.0wt%, Boiler D; 1.5wt%, Boiler C; 2.5wt%, Boiler D (B); 3.5wt%, Boiler D. The conclusion in this thesis was that the deciding factor is whether the boiler is in need of an ash-treatment system. Higher steam data is preferable as long as ash-treatment can be avoided. However, when comparing two boilers with ash-treatment the one with higher steam data is more feasible. Low steam data, such as boiler A, will never be feasible, regardless of potassium level and value of power.
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Delaney, James Carroll. "Suppression of vapor explosions during rapid quenching of char beds in chemical recovery boilers." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/17780.

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Rezvani, Jorshari Keyvan. "Effects of potassium and carbonate on the deposition of synthetic recovery boiler carryover particles." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0015/MQ53346.pdf.

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Kermani, Kayhan. "Numerical modeling of sootblower jet flow between superheater platens in a kraft recovery boiler." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ58744.pdf.

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Books on the topic "Recovery boiler"

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Kuznecov, Vyacheslav, and Oleg Bryuhanov. Gasified boiler units. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1003548.

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The textbook gives the basic concepts of gasified heat generating (boiler) installations and the terminology used in boiler technology, the principle of operation and device of gasified heat generating (boiler) installations. The types and device of heat generators (boilers) of their furnace devices are considered; types and device of gas-burning devices, the number and places of their installation in furnace devices; auxiliary equipment-devices for air supply and removal of combustion products, devices for water treatment, steam supply and circulation of the coolant of hot water boilers; device for thermal control and automatic regulation of the boiler installation. The issues of operation and efficiency of gasified heat generating (boiler) installations and their gas supply systems; requirements for conducting gas-hazardous and emergency recovery operations of gas supply systems are considered. Meets the requirements of the federal state educational standards of secondary vocational education of the latest generation. For students of secondary vocational education in the specialty 08.02.08 "Installation and operation of equipment and gas supply systems".
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Wadhwani, Anita Sunil. Fluidity of recovery boiler smelt. Ottawa: National Library of Canada, 2003.

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Vakkilainen, Esa K. Offdesign operation of kraft recovery boiler. Lappeenranta: Lappeenranta University of Technology, 1993.

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Adams, Terry N. Kraft recovery boiler physical and chemical processes. New York, NY: American Paper Institute, 1988.

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International Recovery Boiler Conference (2004 Porvoo, Finland). 40 years recovery boiler co-operation in Finland: Proceedings, International Recovery Boiler Conference, Haikko Manor, Porvoo, May 12-14, 2004. Helsinki, Finland: The Committee, 2004.

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Tan, Geng. Cooling characteristics and thermal properties of kraft recovery boiler smelt. Ottawa: National Library of Canada, 2000.

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Özcan, Selçuk. Recovery boiler fireside deposit thermal shock resistance and thermal conductivity. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1992.

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Nikfarman, Hanieh. Determination of thermal conductivity of recovery boiler char bed materials. Ottawa: National Library of Canada, 2001.

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Martinez, Mark. Enhanced removal of kraft recovery boiler fireside deposits by thermal shock. Ottawa: National Library of Canada, 1990.

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Jorshari, Keyvan Rezvani. Effects of potassium and carbonate on the deposition of synthetic recovery boiler carryover particles. Ottawa: National Library of Canada, 2000.

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Book chapters on the topic "Recovery boiler"

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Ayala, Luis. "Prevent Hackers from Destroying a Boiler." In Cyber-Physical Attack Recovery Procedures, 27–32. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-2065-8_3.

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van Berlo, M. A. J. "WTE: Boiler and Power Generation." In Recovery of Materials and Energy from Urban Wastes, 429–38. New York, NY: Springer New York, 2019. http://dx.doi.org/10.1007/978-1-4939-7850-2_399.

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Sengupta, Prasunjit. "Refractories for Boiler and Waste Heat Recovery." In Refractories for the Chemical Industries, 303–16. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-61240-5_12.

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Takafuji, Makoto, Toshiyuki Suda, Takamasa Ito, and Toshihiko Yamada. "Prediction of Heat Recovery Characteristics of Oxyfuel Combustion Boiler Using CFD." In Cleaner Combustion and Sustainable World, 1303–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30445-3_173.

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Zhao, Hua, Pengfei Dai, Shanshan Cao, and Qing Hao. "Waste Heat Recovery System Using Coal-Fired Boiler Flue Gas to Heat Heating Network Return Water." In Lecture Notes in Electrical Engineering, 567–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39581-9_56.

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Mikkanen, P., E. I. Kauppinen, J. Pyykönen, J. K. Jokiniemi, and M. Mäkinen. "Alkali Salt Ash Formation During Black Liquor Combustion at Kraft Recovery Boilers." In Applications of Advanced Technology to Ash-Related Problems in Boilers, 409–23. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9223-2_27.

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Han, Yang, Haichao Wang, Lin Duanmu, Xiangli Li, and Illka Haavisto. "Energy, Economic and Environmental Analysis of Flue Gas Heat Recovery for Coal-Fired Heat-Only Boilers." In Environmental Science and Engineering, 513–21. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-9528-4_52.

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Vainikka, P., J. Silvennoinen, P. Yrjas, A. Frantsi, L. Hietanen, M. Hupa, and R. Taipale. "Bromine and Chlorine in Aerosols and Fly Ash when Co-Firing Solid Recovered Fuel, Spruce Bark and Paper Mill Sludge in a 80MWth BFB Boiler." In Proceedings of the 20th International Conference on Fluidized Bed Combustion, 1061–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02682-9_165.

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Vakkilainen, Esa Kari. "Recovery Boiler." In Steam Generation from Biomass, 237–59. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-804389-9.00011-3.

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Taplin, Harry. "Waste Heat Recovery." In Boiler Plant and Distribution System Optimization Manual, 227–46. 3rd ed. River Publishers, 2021. http://dx.doi.org/10.1201/9781003151890-12.

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Conference papers on the topic "Recovery boiler"

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Zhou, Xian, Hua Liu, Lin Fu, and Shigang Zhang. "Experimental Study of Natural Gas Combustion Flue Gas Waste Heat Recovery System Based on Direct Contact Heat Transfer and Absorption Heat Pump." In ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18316.

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Condensing boiler for flue gas waste heat recovery is widely used in industries. In order to gain a portion of the sensible heat and latent heat of the vapor in the flue gas, the flue gas is cooled by return water of district heating through a condensation heat exchanger which is located at the end of flue. At low ambient air temperature, some boilers utilize the air pre-heater, which makes air be heated before entering the boiler, and also recovers part of the waste heat of flue gas. However, there are some disadvantages for these technologies. For the former one, the low temperature of the return water is required while the utilization of flue gas heat for the latter one is very limited. A new flue gas condensing heat recovery system is developed, in which direct contact heat exchanger and absorption heat pump are integrated with the gas boiler to recover condensing heat, even the temperature of the return water is so low that the latent heat of vapor in the flue gas could not be recovered directly by the general condensing technologies. Direct contact condensation occurs when vapor in the flue gas contacts and condenses on cold liquid directly. Due to the absence of a solid boundary between the phases, transport processes at the phase interface are much more efficient and quite different from condensation phenomena on a solid surface. Additionally, the surface heat exchanger tends to be more bulky and expensive. In this study, an experimental platform of the new system is built, and a variety of experimental conditions are carried out. Through the analysis of the experimental data and operational state, the total thermal efficiency of the platform will be increased 3.9%, and the system is reliable enough to be popularized.
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Salsbury, Edward. "York Resource Recovery Center Metal Spray Success." In 15th Annual North American Waste-to-Energy Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/nawtec15-3212.

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Early US waste-to-energy plants were constructed using conventional boilers designed for fossil fuels, gas, and oil. Combusting MSW exposed those boilers to high levels of sulfides and chlorides that caused accelerated corrosion problems. MSW fuel required higher amounts of excess air that resulted in high furnace gas velocities and metal erosion. Depending upon the individual design of each boiler, effects of higher upper furnace temperature, flame impingement, and flyash carry over were reported. This paper describes a test conducted to extend the useful metal life of superheater tubes by employing recently developed high velocity continuous combustion (HVCC) metal spray materials.
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Brandstetter, Gottfried, Wolfgang Oberleitner, and Michael Pichler. "How to Change Over Heat Recovery Steam Generators After Gas Turbine Trip." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90648.

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Heat recovery steam generators downstream of gas turbines are often used in combination with process steam applications. Because of the high importance of the required process steam, a boiler trip is more severe than in usual applications, where only electricity is produced. In most cases these boilers are equipped with a supplementary and fresh air firing system having the capacity of replacing the whole waste heat coming from the gas turbine or even more. A fresh air firing system offers the possibility to keep the boiler in operation without the gas turbine running. If the boiler has to stay in operation even after a gas turbine trip a change over from waste heat firing to fresh air firing has to follow immediately. Due to the very sharp breakdown of the gas turbine speed after trip, the change over procedure has to be carried out within a few seconds to avoid a boiler shut down. The problems are — on the one hand — not to have to switch off the supplementary firing, on the other hand not to exceed the backpressure of the gas turbine because of too fast closing of dampers necessary for fresh air firing. The first would cause a necessary purging with a certain time period without firing, the second would lead to damages of the gas turbine exhaust system. Backpressure and oxygen supply have to be managed carefully to provide a smooth and save change over. In addition it has to be considered, that the first time period after gas turbine trip, the oxygen supply of the boiler’s firing has to be ensured by the running out gas turbine. Special investigations allow to predict the amount of exhaust gas mass flow after gas turbine trip by using the speed behavior of a reference gas turbine trip. At an Austrian steel mill (VOESTALPINE) these procedures were investigated in detail, and a lot of measurements were done. Based on this the existing change over procedure was optimized and the possibility of a quick change over procedure was realized.
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Yang, Kaixuan, Ming Liu, and Junjie Yan. "Thermo-Economic Analysis on Waste Heat and Water Recovery Systems of Boiler Exhaust in Coal-Fired Power Plants." In ASME 2020 Power Conference collocated with the 2020 International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/power2020-16269.

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Abstract Waste heat and water recovery from boiler exhaust fluegas is significant for reducing coal and water consumption of coal-fired power plants. In this study, waste heat and water recovery system No.1 (WHWR1) and No.2 (WHWR2) were proposed with a 330MW air-cooling coal-fired power plant as the reference power plant. In these systems, boiler exhaust fluegas is cooled to 95 °C in fluegas coolers before being fed to the electrostatic precipitator. Moreover, a fluegas condenser is installed after the desulfurizer to recover water from fluegas. The recovered waste heat is used to heat the condensation water of the regenerative system, boiler feeding air and the fluegas after fluegas condenser. Then, thermodynamic and economic analyses were carried out. Heat exchangers’ areas of WHWRs are affected by heat loads and heat transfer temperature differences. For the unit area cost of heat exchangers is different, the cost of WHWRs may be decreased by optimizing multiple thermodynamic parameters of WHWR. Therefore, the optimization models based on Genetic Algorithm were developed to obtain the optimal system parameters with best economic performance. Results show that the change in coal consumption rate (Δb) is ∼ 4.8 g kW−1 h−1 in WHWR2 and ∼ 2.9 g kW−1 h−1 in WHWR1. About 15.3 kg s−1 of water can be saved and recovered when the fluegas moisture content is reduced to 8.5%. The investment of WHWR2 is higher than WHWR1, while the static recovery period of WHWR2 is shorter than that of WHWR1 for the additional Δb of pre air pre-heater.
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Khaled, Mahmoud, Mohamad Ramadan, Bakri Abed Alhay, Hisham Elhage, and Ahmad Haddad. "Performance Analysis of Heat Recovery System from Exhaust Gases of Boiler." In 10TH International Conference on Sustainable Energy and Environmental Protection. University of Maribor Press, 2017. http://dx.doi.org/10.18690/978-961-286-063-9.7.

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Effenberger, H., H. Furumoto, and T. Abel. "Knowledge-Based Process Management, or How to Optimize a Recovery Boiler." In Expert Systems and Computer Simulation in Energy Engineering: Selected Papers from the Second International Forum. Connecticut: Begellhouse, 1992. http://dx.doi.org/10.1615/ichmt.1992.expsystcomputsimenergengin.150.

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Effenberger, H., H. Furumoto, and T. Abel. "KNOWLEDGE-BASED PROCESS MANAGEMENT, OR HOW TO OPTIMIZE A RECOVERY BOILER." In Second International Forum on Expert System and Computer Simulation in Energy Engineering. Connecticut: Begellhouse, 1992. http://dx.doi.org/10.1615/ichmt.1992.intforumexpsyscompsimee.100.

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Porter, Mike, Dennis Martens, Sean McGuffie, and John Wheeler. "A Means of Avoiding Sulfur Recovery Reaction Furnace Fired Tube Boiler Failures." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-78073.

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One of the common causes of premature tube failure in fired tube boilers — technically described as film boiling — is overheating of the tubes caused by steam blanketing. Current literature contains a significant amount of information on this problem, but not much in the way of definitive guidance for avoiding the problem. General “rules of thumb” are available for identifying the heat flux limit required to avoid the problem as in Martens et al [1]. Unfortunately, the values presented by different sources are often in disagreement. This paper will look at a sulfur recovery unit (SRU) Claus waste heat boiler application and, through the use of Computational Fluid Dynamics (CFD), develop a means of predicting the conditions that lead to steam blanketing and resultant tube failure. Local heat flux conditions at gas side discontinuities (such as the tube inlet ceramic ferrule terminations) combined with associated local water side steam entrainment, and steam generation with coupled velocity effects are discussed.
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Walter, Heimo, and Wladimir Linzer. "Flow Stability of Heat Recovery Steam Generators." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53040.

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In this paper the results of a theoretical stability analysis are presented. The investigation was done for two different types of natural circulation Heat Recovery Steam Generators (HRSG) — a two-drum steam generator and a HRSG with a horizontal tube bank. The investigation shows the influence of the boiler geometry on the stability of the steam generators. For the two-drum boiler the static instability, namely the reverse flow is analysed. First results of the investigations for the HRSG with a horizontal tube bank are also presented. In this case the dynamic flow instability of density wave oscillations is analysed.
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Peterson, Rick. "Developing an Efficient, Predictive, Risk Based Inspection/Maintenance Program for Recovery and Power Boilers." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-3016.

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Risk Based Inspection (RBI) is intended to be a simple, logical, repeatable, documented method of determining equipment inspection frequencies and inspection scopes/methods. With consistent boiler tube thickness measurements, developed boiler tube engineering standards and well documented inspection/repair information, it is possible to set up an effective RBI program for predicting boiler component conditions and accurately plan boiler inspections/repairs far into the future. Inspection efforts are then concentrated, logically, on the documented ‘problem’ and high risk areas of the boiler. Inspection scopes and frequencies are reduced on the more benign, low risk areas. All boiler components will have documented and accepted justifications detailing how the component inspection scopes and frequencies were developed.
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Reports on the topic "Recovery boiler"

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Edward Levy, Harun Bilirgen, Kwangkook Jeong, Michael Kessen, Christopher Samuelson, and Christopher Whitcombe. Recovery of Water from Boiler Flue Gas. Office of Scientific and Technical Information (OSTI), September 2008. http://dx.doi.org/10.2172/952467.

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Keiser, J. R., B. Taljat, X. L. Wang, P. J. Maziasz, C. R. Hubbard, R. W. Swindeman, D. L. Singbeil, and R. Prescott. Analysis of composite tube cracking in recovery boiler floors. Office of Scientific and Technical Information (OSTI), August 1996. http://dx.doi.org/10.2172/383558.

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Grace, T. M., W. J. Frederick, M. Salcudean, and R. A. Wessel. Black liquor combustion validated recovery boiler modeling, five-year report. Office of Scientific and Technical Information (OSTI), August 1996. http://dx.doi.org/10.2172/465271.

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Levasseur, Armand. Recovery Act: Oxy-Combustion Technology Development for Industrial-Scale Boiler Applications. Office of Scientific and Technical Information (OSTI), January 2014. http://dx.doi.org/10.2172/1126719.

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Keiser, J. R., B. Taljat, and X. L. Wang. Overview of the DOE studies of recovery boiler floor tube cracking. Office of Scientific and Technical Information (OSTI), March 1998. http://dx.doi.org/10.2172/672108.

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Levy, Edward, Harun Bilirgen, and John DuPont. Recovery of Water from Boiler Flue Gas Using Condensing Heat Exchangers. Office of Scientific and Technical Information (OSTI), March 2011. http://dx.doi.org/10.2172/1084027.

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Levasseur, Armand. Recovery Act: Oxy-Combustion Techology Development for Industrial-Scale Boiler Applications. Office of Scientific and Technical Information (OSTI), April 2014. http://dx.doi.org/10.2172/1160221.

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Edward Levy, Harun Bilirgen, and John DuPoint. Recovery of Water from Boiler Flue Gas Using Condensing Heat Exchangers. Office of Scientific and Technical Information (OSTI), March 2011. http://dx.doi.org/10.2172/1037725.

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Chinn, D., M. Quarry, and J. Rose. Final Report: Guided Acoustic Wave Monitoring of Corrosion in Recovery Boiler Tubing. Office of Scientific and Technical Information (OSTI), March 2005. http://dx.doi.org/10.2172/15015952.

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Baxter, Larry L. Improved Recovery Boiler Performance Through Control of Combustion, Sulfur, and Alkali Chemistry. Office of Scientific and Technical Information (OSTI), June 2008. http://dx.doi.org/10.2172/929302.

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