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Relevant bibliographies by topics / Activated sorbents

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Academic literature on the topic 'Activated sorbents'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Activated sorbents"

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Agipa, Ade Irmadiki, Roza Ruspita, Muhamad Fajar Muarif, and Al Baasiqot Shoffia Nur Jannah. "Penurunan Kadar COD Pada Limbah Cair Laboratorium Menggunakan Sorben Hydrilla Verticillata." Jurnal Ilmiah Teknik Kimia 8, no. 1 (2024): 24–31. http://dx.doi.org/10.32493/jitk.v8i1.36188.

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Hydrilla Verticillata adsorbents, HCl-activated Hydrilla Verticillata, and NaOH-activated Hydrilla Verticillata reduce COD levels in laboratory waste. The sorbents were characterized using FTIR and SEM-EDX. FTIR analysis shows a specific absorption at the wave number 1637 cm-1, which indicates the absorption of the carbonyl group in the ester and 1536, 1416, and 1324 cm-1, identical to the absorption of the carboxyl group. SEM results show a hollow and irregular shape in the sorbent. EDX analysis showed that Hydrilla Verticillata, which was activated using HCl and NaOH, experienced a decrease

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Lin, Cheng, Hui Yun Zhang, Xiao Ying Lin, and Yun Fei Feng. "Adsorption CO₂ on Activated Carbon with Surface Modification." Advanced Materials Research 634-638 (January 2013): 746–50. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.746.

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The success of CO2 capture from flue gas with solid sorbent is dependent of a low cost sorbent with high CO2 adsorption capacity and selectivity. Modifying surface texture of activated carbon with impregnating amines is expected to offer the benefits of liquid amines in the typical adsorption process routes. In this work, cocoanut activate carbon (AC) is firstly alkalified by KOH solution, then modified by impregnation of tetraethylenepentamine (TEPA), triethylenetetramine (TATA), and triethanolamine (TEA) to form a new type of sorbents. The effects of alkalifying treatment and temperature on

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Malovanyy, Myroslav, Halyna Sakalova, Tamara Vasylinych, Natalia Beznosiuk, and Galina Krusir. "Qualities of Regenerated Mixtures of Adsorbents." Materials Science Forum 1127 (September 30, 2024): 93–99. http://dx.doi.org/10.4028/p-jng0th.

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A proposal has been presented for the regeneration of a spent sorbent mixture, comprising activated carbon (BAU-A brand) and kieselguhr (Bekogur 200 brand), in a mass ratio of 1:3. The effectiveness of the regeneration process and the potential applications of the spent sorbents were determined through X-ray phase analysis methods. The study included an investigation into the adsorption of the primary dye (methylene blue) by activated carbon and various sorbent mixtures. The observed efficiency of regeneration supports the recommendation of using a combination of kieselguhr and activated carbo

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Vasileva, Zhanna V., Mikhail V. Vasekha, and Anastasia S. Trishina. "COMPARATIVE EVALUATION OF SORBENTS BASED ON NATURAL MATERIALS FOR CLEANING OIL-POLLUTED SOILS IN THE KOLA NORTH." Oil and Gas Business, no. 5 (November 8, 2024): 49–71. http://dx.doi.org/10.17122/ogbus-2024-5-49-71.

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The article presents the results of using sorbents based on natural materials as soil reclamation agents in the Arctic zone of the Russian Federation to reduce the negative impact of oil and oil product spills. It has been established that the most effective are composite sorbents based on sphagnum moss and peat in various combinations with excess activated sludge. The effectiveness of sorbents based on natural materials is compared with the commercial sorbent OilSorb. High dynamics of reducing the content of oil products in the first days in soil samples with the addition of composite sorbent

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Swan, Ng Boon, and Muhammad Abbas Ahmad Zaini. "Removal of Malachite Green and Congo Red Dyes from Water by Polyacrylonitrile Carbon Fibre Sorbents." Acta Chemica Malaysia 3, no. 1 (2019): 29–34. http://dx.doi.org/10.2478/acmy-2019-0004.

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Abstract The present work was aimed at evaluating the adsorption properties of malachite green and congo red dyes by polyacrylonitrile carbon fibre sorbents. The sorbents were activated and oxidized using potassium hydroxide and ammonium persulfate, respectively at mild conditions. Consequently, the sorbents were characterized for surface area, surface functional groups and thermal decomposition. The activated sorbent displayed a 18.8 mg/g (94 %) of malachite green removal at Co = 20 mg/L, while both modified sorbents showed a 17.5 mg/g (87.5 %) removal of congo red at the same concentration.

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Sokol, Oleksandr, and Anna Ivanchenko. "PRODUCTION OF ACID-ACTIVATED SORBENTS FROM PLANT RAW MATERIALS AND THEIR TESTING FOR DYE REMOVAL FROM MODEL SOLUTIONS." Collection of scholarly papers of Dniprovsk State Technical University (Technical Sciences) 1, no. 44 (2024): 169–82. http://dx.doi.org/10.31319/2519-2884.44.2024.22.

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The study addresses the pressing issue of obtaining new sorbents from plant raw materials and their use for purifying water systems containing hazardous dyes. In the research, the method of chemical kiloton activation is applied to acquire new sorbents, and its advantages are outlined. Three samples of sorbents were obtained: a lignocellulosic sorbent based on walnut shell, which underwent no treatment with chemical reagents; the second sample was obtained by treating a lignocellulosic raw material with a 65 % solution of nitric acid (HNO3); the third sample - with a 65 % solution of acetic ac

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Mamyshov, A. "Methods of Getting Activated Carbon From Plant Materials." Bulletin of Science and Practice 6, no. 12 (2019): 268–73. http://dx.doi.org/10.33619/2414-2948/61/28.

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This article is devoted to the production of activated carbon from vegetable raw materials. Due to the environmental stress, the problem of obtaining and searching for new sorbents, as well as the development of new sorption technologies, is urgent. Of particular interest are many tonnage production, such as, for example, timber processing and chemical industries. The latter is due to two reasons. On the one hand, the technologies of these industries are burdened with significant waste. On the other — wood and its components, natural compounds are the raw material for sorbents, and a unique so

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Diyuk, Vitaly E., Alexander N. Zaderko, Liudmyla M. Grischenko, et al. "CO2 adsorption on pristine, oxidized, and diethylamine-functionalized activated carbon sorbents." E3S Web of Conferences 154 (2020): 07001. http://dx.doi.org/10.1051/e3sconf/202015407001.

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Adsorption is currently the most promising capture technology to shorten atmospheric emissions of carbon dioxide (CO2). In this article, we report on the adsorption of CO2 onto pristine, oxidized, and aminated activated carbon (AC) sorbents. From our findings, some functionalized AC sorbents have shown very promising results in the CO2 capture process. Their maximum adsorption capacity measured by the thermogravimetric method at 20 °C varies between 2.2 and 3.9 mmol CO2/g depending on the content of diethylamino and oxygen-containing groups. The functionalization of the carbon surface with die

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Al Asadi, Safaa T., and Fouad F. Al-Qaim. "Agricultural Waste-Based Activated Carbon for Oily Wastewater Treatment by Adsorption: A Review." Journal of Petroleum Research and Studies 15, no. 2 (2025): 165–94. https://doi.org/10.52716/jprs.v15i2.985.

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Oily wastewater poses great risks to the ecosystem, human health and living organisms. Therefore, the development and study of sorbents using various activation techniques to remove oils from water resources is of interest to the scientific community. Here, we present a review on the use of sorbents made from agricultural waste to remove oils and hydrocarbons from aqueous media. After modification, it was found that activated carbon made from agricultural waste improves the performance of the adsorption process. The presentation also includes a comprehensive analysis of the application of isot

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VEPRIKOVA, E. V., M. YU BELASH, and O. P. TARAN. "PROPERTIES OF SORBENTS FROM PINE BARK ACTIVATED BY MECHANOCHEMICAL METHODS." Chemistry for Sustainable Development 32, no. 1 (2024): 15–23. http://dx.doi.org/10.15372/csd2024525.

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The influence of pine bark pre-activation conditions: 1) in a planetary mill AGO-2, 2) with water vapor under the conditions of explosive autohydrolysis (EAH), on the sorption activity of resulting sorbents with respect to methylene blue and gelatin was studied. It is shown that explosive autohydrolysis is a more efficient method to activate pine bark, and under certain conditions it leads to an increase in the sorption of methylene blue and gelatin at least by a factor of 1.8 and 3.8, respectively, compared with the sorbent from non-activated bark. The activating treatment of pine bark in a p

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Dissertations / Theses on the topic "Activated sorbents"

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Siddiqui, Naved Ahmed. "DEVELOPMENT OF BAMBOO DERIVED SORBENTS FOR GAS PHASE ADSORPTION OF ELEMENTAL MERCURY." Available to subscribers only, 2009. http://proquest.umi.com/pqdweb?did=1879983301&sid=4&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Li, Xin. "Mercury Oxidation and Adsorption over Cupric Chloride-Based Catalysts and Sorbents for Mercury Emissions Control." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337959291.

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Bariyeva, Aizat. "Optimalizace adsorpce kyseliny ferulové na různých typech adsorbentů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2019. http://www.nusl.cz/ntk/nusl-401937.

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This thesis deals with optimalization processes of adsorption of ferulic acid on different types of sorbents. Specifically, was used the activated carbon as a sorbent of heterogeneous character and Amberlyst A-21 and Amberlit XAD-16 as macroporous polymer sorbents. The ferulic acid is fully characterized in the theoretical part and are discussed the problems of adsorption processes. To determination of the phenolic acid were used UV-VIS and HPLC instrumental methods. The main aim of the experimental part is to optimize various parameters of adsorption, including the construction of adsorption

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Носік, Вікторія Вікторівна. "Модифікований вуглецевмісний сорбент для глибокого вилучення органічних сполук". Master's thesis, Київ, 2018. https://ela.kpi.ua/handle/123456789/23010.

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Наявність органічних сполук в стічних водах, що надходять у водойми, повинна бути знижена до надзвичайно малих концентрацій для попередження негативних екологічних наслідків. Глибоке очищення води від органічних речовин може бути здійснено шляхом застосування адсорбційної технології. На сьогоднішній день дослідження можливостей синтезу сорбентів з відходів глиноземних виробництв для очищення стічних вод набувають все більшої популярності. Метою магістерської роботи є модифікування поверхні активованого вугілля та використання його в технології глибокого очищення стічних вод фармацевтичного

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YU-MIN, CHIU, and 邱裕閔. "Absorption of CO2 by Alkaline Sorbents on Activated Carbon." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/18262351641227144211.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>91<br>A thermogravimetric technique was applied to evaluate the CO2 absorption capacities of K2CO3, Na2CO3, KOH and NaOH supported on activated carbon and to study their reaction kinetics under low temperature（45∼80℃） and humid（6∼90﹪RH） conditions. The sorbents were prepared by incipient wetting impregnation method. The deliquescence relative humidities（DRHs） were measured to be 44, 52 and 59﹪RH at 45, 60 and 80℃, respectively, for K2CO3; 84, 87 and 91﹪RH for Na2CO3; 13, 16 and 20﹪RH for KOH; 16, 19 and 23﹪RH for NaOH. The DRHs of these materials became h

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kurnia, afrida, and 古妮雅. "evaluation of the extraction efficiency of activated carbon prepared from rice husks as solid phase extraction sorbent to determine nonylphenol in water sample." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/29508965598154057742.

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碩士<br>國立中央大學<br>化學研究所<br>100<br>Enrichment efficiency of activated carbon (ACs) from rice husks (RHs) as a new sorbent for solid-phase extraction (SPE) to extract 4-nonylphenol isomers (4-NPs) in water samples was evaluated. The ACs prepared from RHs usually exhibits low specific surface area due to its high ash content, but in case of its application for SPE, there are other factors need to be considered, such as the existence of functional groups inside the sorbent, that can enhance interaction of non-polar sorbent with analyte in the water matrices. In this case, silanol groups from ash con

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Morris, Eric Adde. "Modification of Carbonaceous Materials with Sulfur and Its Impact on Mercury Capture and Sorbent Regenertion." Thesis, 2012. http://hdl.handle.net/1807/36293.

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Physical activation of oil-sands fluid coke, a dense carbonaceous material, using sulfur dioxide (SO2) was investigated as a means of utilizing a plentiful and inexpensive waste for elemental mercury (Hg) removal. A new model was developed to elucidate physical activation of dense carbonaceous materials. Experiments and model simulations revealed that, during activation with SO2, a sulfur-rich porous layer is formed around the periphery of the coke particles; this porous layer reaches a maximum thickness as a result of diffusion limitations; the maximum porous layer thickness is controlled by

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Iravani, Amir. "Adsorptive Removal of Refractory Sulphur and Nitrogen Compounds from Transportation Fuels." Thesis, 2011. http://hdl.handle.net/10012/6245.

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The reduction of sulphur in transportation fuel has gained significant importance as the regulatory agencies worldwide react to air quality concerns and the impact of sulphur oxides on the environment. The overall objective of this research was to identify, develop and characterize, based on underlying scientific principles, sorbents that are effective in removal of refractory sulphur compounds from fuel through the process of selective adsorption. It was determined that impregnation of powdered activated carbon with a transition metal (TM) significantly boosted the adsorption performance of

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Book chapters on the topic "Activated sorbents"

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Młodzik, J., K. Glonek, U. Narkiewicz, A. W. Morawski, R. J. Wróbel, and B. Michalkiewicz. "Molasses Based Activated Carbons as CO2 Sorbents." In 2nd International Congress on Energy Efficiency and Energy Related Materials (ENEFM2014). Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16901-9_29.

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Koujalagi, Prasanna S., Ravichandra Rangappa, Janhavi M. Karekar, Jyothi C. Abbar, and M. Nagamadhu. "Activated Carbon and Polymeric Ion Exchange Sorbents for Metaldehyde Elimination." In Sustainable Materials and Technology. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3989-2_14.

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"Resins and Clays as Sorbents." In Activated Charcoal in Medical Applications, Second Edition. CRC Press, 1995. http://dx.doi.org/10.1201/b14201-23.

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Kunarbekova, Makhabbat, Rosa Busquets, Inabat Sapargali, et al. "Synthesis and Characterization of Activated Carbon From Biomass." In Advances in Chemical and Materials Engineering. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-7505-1.ch011.

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This chapter discusses current practices and new developments in the preparation of activated carbons for the adsorption of pollutants. There is widespread pollution such as pharmaceuticals and heavy metals in global surface water that needs to be mitigated and carbon sorbents made for it can be part of the solution. Preparing carbons for such challenge requires tailoring carbon's structure and surface chemistry to maximise interaction with low concentrations (part per billion level) of a variety of pollutants. The preparation of effective carbon sorbents constitutes a technical challenge. Thi

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Belhachemi, Meriem. "Adsorption of organic compounds on activated carbons." In Sorbents Materials for Controlling Environmental Pollution. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-820042-1.00006-7.

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Surkatti, Riham, Mohamed H. Ibrahim, and Muftah H. El-Naas. "Date pits activated carbon as an effective adsorbent for water treatment." In Sorbents Materials for Controlling Environmental Pollution. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-820042-1.00007-9.

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Agrawal, Arpana, Chaudhery Ghazanfar Hussain, Rüstem Keçili, and Chaudhery Mustansar Hussain. "Carbonaceous Materials in Green Sample Preparation." In Green Sample Preparation Techniques. The Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781839166419-00105.

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Owing to their fascinating properties such as high surface area-to-volume ratios, porosity, chemical/thermal stability, and conductivity, carbonaceous materials are considered to be one of the excellent classes of adsorbent/sorbent materials and have led to significant advancements in the field of analytical chemistry. Their cost-effectiveness, biodegradability, environmentally friendly nature, and non-toxic adsorbent behavior make them extremely useful for green sample preparation techniques such as solid phase extraction, solid phase microextraction, and magnetic solid phase extraction. Here

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Sircar, S., M. B. Rao, and T. C. Golden. "Chapter 2.12 Drying of gases and liquids by activated alumina." In Adsorption on New and Modified Inorganic Sorbents. Elsevier, 1996. http://dx.doi.org/10.1016/s0167-2991(06)81038-4.

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Sultan, Muhammad, Hadeed Ashraf, Takahiko Miyazaki, Redmond R. Shamshiri, and Ibrahim A. Hameed. "Temperature and Humidity Control for the Next Generation Greenhouses: Overview of Desiccant and Evaporative Cooling Systems." In Next-Generation Greenhouses for Food Security. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97273.

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Temperature and humidity control are crucial in next generation greenhouses. Plants require optimum temperature/humidity and vapor pressure deficit conditions inside the greenhouse for optimum yield. In this regard, an air-conditioning system could provide the required conditions in harsh climatic regions. In this study, the authors have summarized their published work on different desiccant and evaporative cooling options for greenhouse air-conditioning. The direct, indirect, and Maisotsenko cycle evaporative cooling systems, and multi-stage evaporative cooling systems have been summarized in

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Rai, Premanjali. "Role of Nanocomposites in Environmental Remediation: Recent Advances and Challenges." In Advanced Materials and Nano Systems: Theory and Experiment (Part-1). BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815050745122010008.

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Nanocomposites offer an exclusive advantage over bulk materials in terms of efficiency on account of their greater surface area, higher reactivity, ease of modification, good dispersion, and hence, multi-faceted applications. The various forms of nanocomposites derived from low-cost resources, especially carbon-based materials, are of unique interest. Activated carbons offer the unique advantage as the matrix for nanocomposites synthesis due to their graphite structure, thereby providing strength and the ease of modification on the surface of nanocomposites while introducing desired functional

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Conference papers on the topic "Activated sorbents"

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Krasinskaya, T. A., and N. O. Lukyanenko. "FEATURES OF RHIZOGENESIS OF REGENERANTS PRUNUS SERRULATA v. SHIROFUGEN IN CULTURE IN VITRO AND EX VITRO." In SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute, 2021. http://dx.doi.org/10.46646/sakh-2021-1-271-274.

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The aim of the work was to determine the rhysogenesis activity of regenerants of Prunus serrulata v. Shirofugen under ex vitro and in vitro conditions using sorbents (activated carbon and the commercial substance «Polypham») in the nutrient mediums. The addition of sorbents to the MS culture medium contributes to an increase in the rate of rooted plants to 100.0% (with activated carbon) and active root growth (the average root length is 4.1 cm when using activated carbon and «Polypham» consisting of hydrolyzed lysine. The callus on the plants is not observed on the nutrient medium with activat

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Qituan, Yan, Li Na, Li Jian, et al. "Performance and Reaction Mechanism of the Sulfur-Loaded Activated Carbon Mercury Sorbents for Natural Gas." In 2018 International Conference on Smart Grid and Electrical Automation (ICSGEA). IEEE, 2018. http://dx.doi.org/10.1109/icsgea.2018.00017.

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POSZWALD, B. "Effect of Impregnation of Activated Carbon with Selected Transition Metal Ions on Its Adsorption Properties and Pore Size." In Quality Production Improvement and System Safety. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902691-11.

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Abstract. Thanks to their vast surface area, activated carbons are materials of great interest. They are used as adsorbents for both liquid- and gaseous impurities. To improve their properties, impregnation with different substances is conducted. In this paper, such an impregnation was done using copper(II), manganese(II), silver(I), and zinc(II) salts. The aim was to compare the inner structure of the impregnated activated carbon with a non-impregnated one. It was done by Brunauer-Emmett-Teller (BET) adsorption-desorption isotherms that were plotted and described. Lastly, the pore size and vo

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KWAK, A. "Study of the Impact of –NH2 Modification on Adsorptive Properties of Graphene Oxide." In Terotechnology XII. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644902059-23.

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Abstract. Graphene oxide is a nanomaterial of very high adsorption capabilities due to its vast surface area. Moreover, numerous oxygen functional groups present on the surface of graphene oxide enable its modifications to be performed. The authors aimed to create adsorbents based on activated carbon impregnated with amine-modified graphene oxide. The study showed that the amino group functionalisation, both with the use of ethylenediamine (GO-EDA) and using polyaniline (GO-PANI), causes the adsorbent to remove lead, mercury, copper, and iron ions from aqueous solutions very efficiently. Both

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Hasslacher, Thomas, Victor Poberezhnyi, and Stefan Niewerth. "Innovative geotextile contaminant barriers in infrastructure applications – Environmental protection without surface sealing." In 7th International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2022. http://dx.doi.org/10.5592/co/cetra.2022.1483.

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Our road and railroad infrastructure contributes to a considerable extent to the sealing of urban areas. Due to the intensive and still growing use of these traffic routes, pollutants, such as microplastics, hydrocarbons, heavy metals, and others accumulate on sealed asphalt or concrete surfaces. With each rain event, these contaminants are flushed into the sewer system (present best case) or just enter the surrounding soil and the groundwater untreated (present worst case). Innovative, large-area, permeable contaminant barriers made of geotextiles overcome the concept of piping runoff water a

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Rainio, Aku, Vinod Sharma, Markus Bolha`r-Nordenkampf, Christian Brunner, Johannes Lind, and John Crosher. "Fluidized Bed Technologies for Biomass Combustion." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81052.

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Biomass, a renewable fuel source for generating energy, is available in large quantities in the USA. Typical biomass consists of wood chips, construction and demolition wood, bark, residual logging debris, saw dust, paper rejects, and paper and sewage sludge. Composition and moisture content of biomass vary greatly and affect its heating value. There are several combustion technologies available to generate power from biomass. Fluidized bed boilers are preferred, because of their ability to burn a wide variety of biomass fuels while achieving high combustion efficiency and low emissions. This

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Zamulina, I. V., D. L. Pinsky, M. V. Burachevskaya, T. V. Bauer, and A. A. Pshenichnaya. "THE EFFECT OF GRANULATED ACTIVATED COAL ON THE PHYSICAL PROPERTIES OF SOILS AT COPTER CONTAMINATION." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. DSTU-PRINT, 2020. http://dx.doi.org/10.23947/interagro.2020.1.111-115.

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The article presents the results of a study of the effect of the carbon sorbent of granular activated carbon on the physical properties of soils under conditions of copper pollution. The use of activated carbon has a positive effect on accelerating the process of restoring the physical properties of the soil, due to the high pore space and the specific surface of the sorbent. The structural state improves, and the waterholding ability increases.

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Fedorenko, E. S., V. V. ,. Zinchenko, A. V. Gorovtsov, and T. M. Minkina. "UREASE ACTIVITY IN CASE OF CONTAMINATION OF HAPLIC CHERNOZEM WITH COPPER ACETATE IN THE CONDITIONS OF THE MODEL EXPERIMENT." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS Volume 2. DSTU-Print, 2020. http://dx.doi.org/10.23947/interagro.2020.2.222-224.

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The influence of carbon sorbent on enzymatic activity of Haplic Chernozem was studied in the conditions of model contamination with copper acetate. An ambiguous effect of granulated activated carbon applied in different doses on urease activity was found.

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Madsen, Jens I., William A. Rogers, and Thomas J. O’Brien. "Computational Modeling of Mercury Control by Sorbent Injection." In ASME 2004 Power Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/power2004-52099.

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Impending regulations of mercury emission from coal-fired utilities are driving current efforts to develop efficient control technologies. This includes a comprehensive field test program that considers full-scale use of mercury control by injection of activated carbon upstream of a particulate collection device (baghouse or ESP). The present effort aims at numerical modeling of the in-flight mercury capture by adsorption using Computational Fluid Dynamics (CFD). Such a modeling capability enables optimization of sorbent injection strategies in order to better overcome mass transfer limitation

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Lee, Sheldon H. D., Richard F. Henry, and Kevin M. Myles. "Removal of Alkali Vapors by a Fixed Granular-Bed Sorber Using Activated Bauxite as a Sorbent." In ASME 1985 International Gas Turbine Conference and Exhibit. American Society of Mechanical Engineers, 1985. http://dx.doi.org/10.1115/85-gt-167.

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Studies have been conducted to develop a fixed granular-bed sorber for the removal of alkali vapors in a pressurized fluidized-bed combustion (PFBC) combined-cycle system. A laboratory-scale pressurized alkali-vapor sorption test unit was used to characterize activated bauxite, the most effective sorbent identified earlier, for its alkali vapor sorption capability in a gas stream with temperature (≤900°C), pressure (10 atm absolute), and composition closely simulating the actual PFBC flue gas. A scale-up of laboratory tests is being conducted in a 15.2-cm-dia (6-in.-dia) PFBC system to demonst

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Reports on the topic "Activated sorbents"

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Kennedy, Alan, Mark Ballentine, Andrew McQueen, Christopher Griggs, Arit Das, and Michael Bortner. Environmental applications of 3D printing polymer composites for dredging operations. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/39341.

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This Dredging Operations Environmental Research (DOER) technical note disseminates novel methods to monitor and reduce contaminant mobility and bioavailability in water, sediments, and soils. These method advancements are enabled by additive manufacturing (i.e., three-dimensional [3D] printing) to deploy and retrieve materials that adsorb contaminants that are traditionally applied as unbound powders. Examples of sorbents added as amendments for remediation of contaminated sediments include activated carbon, biochar, biopolymers, zeolite, and sand caps. Figure 1 provides examples of sorbent an

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