Academic literature on the topic 'Continuous-flow biological treatment'

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Journal articles on the topic "Continuous-flow biological treatment"

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ALQAHTANI, RUBAYYI T., MARK I. NELSON, and ANNETTE L. WORTHY. "A BIOLOGICAL TREATMENT OF INDUSTRIAL WASTEWATERS: CONTOIS KINETICS." ANZIAM Journal 56, no. 4 (2015): 397–415. http://dx.doi.org/10.1017/s144618111500005x.

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This paper analyses the steady-state operation of a generalized bioreactor model that encompasses a continuous-flow bioreactor and an idealized continuous-flow membrane bioreactor as limiting cases. A biodegradation of organic materials is modelled using Contois growth kinetics. The bioreactor performance is analysed by finding the steady-state solutions of the model and determining their stability as a function of the dimensionless residence time. We show that an effective recycle parameter improves the performance of the bioreactor at moderate values of the dimensionless residence time. Howe
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Liu, Wei Ping, and Xia Fei Yin. "Continuous Flow Microbial Fuel Cell for Organic Wastewater Treatment." Advanced Materials Research 777 (September 2013): 92–95. http://dx.doi.org/10.4028/www.scientific.net/amr.777.92.

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A continuous flow double chamber microbial fuel cell (MFC) for wastewater treatment was constructed. Anaerobic activated sludge was used as bacterial source and simulated organic wastewater was used as substrate. Effluent of anode chamber was used directly as influent of the cathode chamber. The aerobic microorganisms could degrade organic matters further. The electricity production and organic wastewater treatment of the MFC were studied. The results show that the wastewater chemical oxygen demand (COD) of the total removal rate was 74.1%~77.45%, the anode chamber in which the removal rate of
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Manea, Elena Elisabeta, and Costel Bumbac. "Performance Evaluation of Continuous Flow Aerobic Granular Sludge Configurations." Revista de Chimie 70, no. 1 (2019): 283–85. http://dx.doi.org/10.37358/rc.19.1.6900.

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Increasing the efficiency and capacity of existing wastewater treatment plants can be carried out by using intensive biological processes. One of the currently studied biological solutions consists in using aerobic granular sludge in order to achieve both organics and nutrients removal simultaneously in one tank and with high efficiency. Aerobic granular sludge is currently used at full scale in sequential batch reactors, research for identifying the optimal solutions for continuous flow systems being carried out worldwide. The paper summarizes the results obtained for two continuous flow conf
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Çeçen, Ferhan. "ACTIVATED CARBON ADDITION TO ACTIVATED SLUDGE IN THE TREATMENT OF KRAFT PULP BLEACHING WASTES." Water Science and Technology 30, no. 3 (1994): 183–92. http://dx.doi.org/10.2166/wst.1994.0096.

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This study examines the effect of powdered activated carbon (PAC) addition to activated sludge in the treatment of pulp bleaching effluents which contain a large amount of nonbiodegradable matter. The effect of PAC addition has been studied in both batch and continuous-flow reactors. Isotherms were developed for PAC and biomass adsorption. It was shown that substrate removal by air stripping and biosorption was negligible. The change in substrate concentration occurred mainly by biodegradation. The biological removal data obtained in batch and continuous-flow reactors were fitted to kinetic mo
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Bumbac, C., I. A. Ionescu, O. Tiron, and V. R. Badescu. "Continuous flow aerobic granular sludge reactor for dairy wastewater treatment." Water Science and Technology 71, no. 3 (2015): 440–45. http://dx.doi.org/10.2166/wst.2015.007.

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The focus of this study was to assess the treatment performance and granule progression over time within a continuous flow reactor. A continuous flow airlift reactor was seeded with aerobic granules from a laboratory scale sequencing batch reactor (SBR) and fed with dairy wastewater. Stereomicroscopic investigations showed that the granules maintained their integrity during the experimental period. Laser diffraction investigation showed proof of new granules formation with 100–500 μm diameter after only 2 weeks of operation. The treatment performances were satisfactory and more or less similar
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Bryant, Curtis W., W. A. Barkley, Michael R. Garrett, and David F. Gardner. "Biological nitrification of kraft wastewater." Water Science and Technology 35, no. 2-3 (1997): 147–53. http://dx.doi.org/10.2166/wst.1997.0504.

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A program of batch, continuous-flow, and field pilot tests have been conducted to measure the extent and stability of nitrification in kraft wastewater. Laboratory batch tests measured the extent and rate of ammonia removal from kraft wastewater. Controlled variables included aerated stabilization basin (ASB) location, temperature, pH, ammonia concentration, black liquor content, bicarbonate content, and presence of acclimated nitrifying bacteria. Findings were that (a) moderate wastewater temperature (22-35°C), pH near 7.3, and black liquor spill control prevented slowing of nitrification, an
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Di Maria, Francesco, and Sadhan Kumr Ghosh. "Analysis of the biodrying and biostabilization efficiency of a continuous flow full-scale facility." Journal of Solid Waste Technology and Management 50, no. 4 (2024): 755–65. http://dx.doi.org/10.5276/jswtm/iswmaw/50s1/2024.755.

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The technological solution adopted for aerobic treatment of Waste Organic Fraction (WOF) can influence the evolution of the physical parameters of the process making the facility acting as a biostabilization or a biodrying system. In the present study, the continuous flow biological section of the full-scale mechanical biological treatment plant was experimentally investigated by means of evolution, during treatment period (day), of temperature (T) (° C), volatile solids (VS) (%TS) and oxygen uptake of the WOF under treatment. Oxygen uptake was measured by the Dynamic Respirometer Index Potent
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Zijlstra, Douwe S., Esther Cobussen-Pool, Dennis J. Slort, et al. "Development of a Continuous Hydrothermal Treatment Process for Efficient Dewatering of Industrial Wastewater Sludge." Processes 10, no. 12 (2022): 2702. http://dx.doi.org/10.3390/pr10122702.

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Sludges from the papermaking industry represent a challenging residue stream that is difficult to dewater using conventional processes. The successful development and scale-up of innovative processes from lab- to pilot- to industrial-scale are required to tackle challenges for waste treatment, including paper sludges. Biological paper sludge was treated via a mild hydrothermal carbonization process (TORWASH®) to improve dewaterability of the sludge, including long-duration, continuous testing. Initial lab-scale experiments indicated the optimal treatment temperature for sludge dewatering was 1
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Ramírez-Jiménez, Diego Fernando, Paula Andrea Bedoya-Benítez, and Pablo A. Munoz-Gutierrez. "Visualization and Control System for a Wastewater Laboratory Plant with Biological Treatment." Ciencia e Ingeniería Neogranadina 34, no. 1 (2024): 105–22. http://dx.doi.org/10.18359/rcin.7270.

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This paper presents a novel real-time control and electronic instrumentation system (RTC\andEIS) for a prototype plant that uses activated sludge for wastewater treatment. The main contribution in this research was oriented to work on an experimental design with small dimensions and low cost. This design was carried out using two continuous flow storage tanks in which an identification process was carried out with the MATLAB system identification toolbox to know a mathematical model. The mathematical representation obtained is presented as a continuous and a discrete transfer function. To eval
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Khararjian, H. A., W. H. Callaway, P. Cardinal, and J. Meany. "Intermittent Cycle Extended Aeration System (ICEAS R) for Small Wastewater Treatment Plants." Water Science and Technology 22, no. 3-4 (1990): 323–30. http://dx.doi.org/10.2166/wst.1990.0218.

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Many municipalities and industrial plants with small quantities of wastewater are facing challenges with providing economical treatment strategies. They require simply designed and operated processes which give high quality effluent. One such process is the Intermittent Cycle Extended Aeration System (ICEAS R). This is a variant of the activated sludge biological process which allows continuous inflow of raw wastewater and intermittently discharged influent. It provides flow equalization, biological oxidation and sedimentation with decanting of supernatant in a single tank. The process can be
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Dissertations / Theses on the topic "Continuous-flow biological treatment"

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De, Luca Leandra Anali. "Optimizing the nitrogen removal in leachate treatment during continuous-flow biological treatment (KBR)." Thesis, KTH, Industriell bioteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298112.

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Användandet av deponier är en av de vanligaste metoderna för avfallshantering globalt. Trots insatser som gjordes för att förbjuda hushållsavfall i deponier under millennieskiftet, deponier skapade innan restriktionerna är fortfarande en risk för miljön. Under 2014 öppnade SÖRAB en kontinuerlig biologisk reningsanläggning (KBR-anläggning) på Löt Avfallsanläggning för att hantera lakvatten från en gammal deponi som under en tid fylldes med hushållsavfall. Sedan dess har SÖRAB arbetat med att förbättra KBR-anläggningen. Målet med denna studie är att utforma en driftstrategi för KBR-anläggningen
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Hart, Vincent S. "An examination of biological phosphorus removal using bacterial counting and poly-β-hydroxybutyrate analysis in batch and continuous flow systems". Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40652.

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The objective of this study was to examine excess biological phosphorus removing bacterial populations and their substrate utilization mechanisms. This study was a smaller part of a overall study of temperature effects upon excess biological phosphorus removal. Bacterial populations in both a continuous flow UCT (University of Cape Town) system and batch reactors were examined by direct counting using a well known staining procedure (Neisser staining), and a microscopic counting method developed by Cech and Hartman (1993). Substrate utilization was examined using PHB (Poly-β -Hydroxybutyrate
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Viveiros, Vanessa Faúlha. "Experimental Study in Continuous Flow For Dairy Wastewater with AS, IFAS and MBBR Systems: Treatment and Microbiology." Master's thesis, 2020. http://hdl.handle.net/10316/90200.

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Dissertação de Mestrado Integrado em Engenharia do Ambiente apresentada à Faculdade de Ciências e Tecnologia<br>O Reator de Biofilme com Leito Móvel, mais conhecido como MBBR (Moving Bed Biofim Reactor em inglês) e o Reator Integrado de Lamas Ativadas com Biofilme em Leito Móvel, ou IFAS (Integraded Fixed-Film Activated Sludge em inglês) são sistemas biológicos avançados para o tratamento de águas residuais. As vantagens associadas às suas aplicações contribuíram para que muitos cientistas realizassem estudos sobre esses sistemas, uma vez que proporcionam uma operação mais fácil, com elevadas
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Book chapters on the topic "Continuous-flow biological treatment"

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Hale, Robert C., Meredith E. Seeley, Ashley E. King, and Lehuan H. Yu. "Analytical Chemistry of Plastic Debris: Sampling, Methods, and Instrumentation." In Microplastic in the Environment: Pattern and Process. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78627-4_2.

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AbstractApproaches for the collection and analysis of plastic debris in environmental matrices are rapidly evolving. Such plastics span a continuum of sizes, encompassing large (macro-), medium (micro-, typically defined as particles between 1 μm and 5 mm), and smaller (nano-) plastics. All are of environmental relevance. Particle sizes are dynamic. Large plastics may fragment over time, while smaller particles may agglomerate in the field. The diverse morphologies (fragment, fiber, sphere) and chemical compositions of microplastics further complicate their characterization. Fibers are of grow
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Abraham, Jacob, and S. Kannadhasan. "Wireless Ph Sensor Employing Zigbee 3.0 Protocol." In Advanced Technologies for Science and Engineering. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815196269124030007.

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PH plays an important role in determining product quality in industries like various chemical, petrochemical, petroleum refineries, fertilizer, pharmaceutical, food industries, effluent treatment, and in many other organic and inorganic plants. For instance, in any industrial wastewater treatment plant, PH is monitored and controlled by manipulating the acid or base stream which is a strong acid or strong base. Modern treatment plant involves physical and chemical precipitation/flocculation along with biological treatment in aerators/trickle filters, membranes, etc, where the control of PH is
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"Lab-scale treatment of biologically pretreated landfill leachate by the electro-Fenton process in a continuous flow reactor." In Civil, Architecture and Environmental Engineering. CRC Press, 2017. http://dx.doi.org/10.1201/9781315226187-210.

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Conference papers on the topic "Continuous-flow biological treatment"

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Mulvihill, J. J., E. M. Cunnane, E. Kavanagh, and M. T. Walsh. "Experimental Determination of the Mechanical and Biological Properties of Carotid Artery Plaques." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14693.

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Atherosclerosis is a cardiovascular disease that occurs within the walls of arteries and can result in a reduction of the lumen diameter. This reduction can cause a decrease in blood flow to the brain which can lead to a stroke event. Carotid angioplasty stenting (CAS) is a minimally invasive surgical treatment for stroke prevention and has been found to show equivalency to the highly invasive open artery repair which is a more commonly used surgical technique (Brott et al. 2010). Development in the design of stent and angioplasty devices is necessary for the continuous improvement of minimall
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"Kinetics study of nutrients removal from synthetic wastewater using media as submerged in continuous activated sludge system." In Sustainable Processes and Clean Energy Transition. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902516-12.

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Abstract. Domestic wastewater effluents are one of the main sources of environmental contaminants such as nutrients. Wastewater has been treated with biological processes for over a century to remove contaminants. Conventional wastewater treatment plants continue to struggle to meet Malaysian discharge limits. Stringent regulation enforced by governing authorities makes it obligatory to comply with discharge guidelines to fulfill ammonia and nitrate levels. To assist the system in meeting these limits, it is recommended that a submerged attached growth Palm Oil Clinker (POC) can be incorporate
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Yuan, Shaopeng, Xia Qin, Li Zhang, and Mengnan Zhou. "Lab-scale treatment of biologically pretreated landfill leachate by the electro-Fenton process in a continuous flow reactor." In Proceedings of the International Conference on Civil, Architecture and Environmental Engineering (ICCAE2016). CRC Press/Balkema, 2017. http://dx.doi.org/10.1201/9781315116242-13.

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Reports on the topic "Continuous-flow biological treatment"

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Lahav, Ori, Albert Heber, and David Broday. Elimination of emissions of ammonia and hydrogen sulfide from confined animal and feeding operations (CAFO) using an adsorption/liquid-redox process with biological regeneration. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7695589.bard.

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The project was originally aimed at investigating and developing new efficient methods for cost effective removal of ammonia (NH₃) and hydrogen sulfide (H₂S) from Concentrated Animal Feeding Operations (CAFO), in particular broiler and laying houses (NH₃) and hog houses (H₂S). In both cases, the principal idea was to design and operate a dedicated air collection system that would be used for the treatment of the gases, and that would work independently from the general ventilation system. The advantages envisaged: (1) if collected at a point close to the source of generation, pollutants would
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