Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Helen X. Littleton"'
1
Role of air scouring in anaerobic/anoxic tanks providing nitrogen removal by mainstream anammox conversion in a hybrid biofilm/suspended growth full‐scale WWTP in China
Autor: Liang Qian, Mark C.M. van Loosdrecht, George Wells, Hulin Cai, Helen X. Littleton, Glen T. Daigger, Quan Yuan, Kaijun Wang, Beiping He
Publikováno v: Water Environment Research. 93:2198-2209
A full-scale wastewater treatment plant in China experienced unintentional anammox bacterial enrichment on biofilm carriers placed in the anaerobic and anoxic zones of an anaerobic/anoxic/oxic process under ambient temperatures and without bioaugment
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c493747c17444420e4915df01b52e88
https://doi.org/10.1002/wer.1592
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2
Simultaneous Biological Nutrient Removal: A State-of-the-Art Review
Autor: Glen T. Daigger, Helen X. Littleton
Publikováno v: Water Environment Research. 86:245-257
Simultaneous biological nutrient removal (SBNR) is the occurrence of biological nutrient removal (BNR) in systems that do not possess defined anaerobic and/or anoxic zones. A review of the relevant literature demonstrates that two mechanisms are prim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::929ab8e677eb780614daf34e0c7cde6c
https://doi.org/10.2175/106143013x13736496908555
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4
Application of Computational Fluid Dynamics to Closed-Loop Bioreactors: I. Characterization and Simulation of Fluid-Flow Pattern and Oxygen Transfer
Autor: Glen T. Daigger, Peter F. Strom, Helen X. Littleton
Publikováno v: Water Environment Research. 79:600-612
A full-scale, closed-loop bioreactor (Orbal oxidation ditch, Envirex brand technologies, Siemens, Waukesha, Wisconsin), previously examined for simultaneous biological nutrient removal (SBNR), was further evaluated using computational fluid dynamics
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbdab18b6f692f6c2d62f41adf4310b0
https://doi.org/10.2175/106143006x136739
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5
Simultaneous Biological Nutrient Removal: Evaluation of Autotrophic Denitrification, Heterotrophic Nitrification, and Biological Phosphorus Removal in Full-Scale Systems
Autor: Robert A. Cowan, Helen X. Littleton, Peter F. Strom, Glen T. Daigger
Publikováno v: Water Environment Research. 75:138-150
Simultaneous biological nutrient removal (SBNR) is the biological removal of nitrogen and phosphorus in excess of that required for biomass synthesis in a biological wastewater treatment system without defined anaerobic or anoxic zones. Evidence is g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cde3fd71887eb10b2c81a7786303695d
https://doi.org/10.2175/106143003x140926
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6
Evaluation of autotrophic denitrification, heterotrophic nitrification, and PAOs in full scale simultaneous biological nutrient removal sysyems
Autor: Glen T. Daigger, Helen X. Littleton, Robert Cowan, Peter F. Strom
Publikováno v: Water Science and Technology. 46:305-312
Anoxic and aerobic batch reactor assays using a two-by-two factorial design were developed to determine the potential activity of autotrophic denitrification and heterotrophic nitrification in biological nutrient removal (BNR) activated sludge system
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::509bae4a3d695bc0a209262a3b11ac4e
https://doi.org/10.2166/wst.2002.0493
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