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Sidestream in domestic wastewater treatment plants contains high concentration of ammonium, which increases nitrogen loading rate in the mainstream. The process for deammonification consisting of partial nitritation-anaerobic ammonium oxidation (ANAMMOX) and heterotrophic denitrification is an economical method of solving this problem. Currently, about 130 full-scale deammonification plants are fully operating around the world, but none is in Korea. In order to transfer the principal information about sidestream deammonification processes to researchers and operators, we summarized basic concepts, processes type, and key influence factors (e.g., concentration of nitrogen compounds, dissolved oxygen (DO), temperature, and pH). This review emphasis on the processes of single-stage sequencing batch reactor (SBR) deammonification, which are widely used as full-scale plants. Since simultaneous processes of partial nitritation, ANAMMOX and heterotrophic denitrification occur in a single reactor, the single-stage SBR deammonification requires appropriate control/monitoring strategies for several operating factors (DO and pH mostly) to achieve efficient and stable operation. In future, AB-process consisting of A-stage (energy harvesting from organics) and B-stage (ammonium removal without organics) will be applied to the wastewater treatment process. Thus, we suggest mainstream deammonification for B-stage connected with the sidestream deammonification as seeding source of ANAMMOX. We expect that many researchers will become more interested in the sidestream deammonification.
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참고문헌 (89)
참고문헌 신청
Ahn, Y. / 2006 / Sustainable Nitrogen Elimination Biotechnologies: A Review / Process Biochemistry 41:1709~1721
Ahn, Y. / 2006 / Autotrophic Nitrogen Removal from Sludge Digester Liquids in Upflow Sludge Bed Reactor with External Aeration / Process Biochemistry 41:1945~1950
Ahn, Y. / 2004 / Nutrient Removal and Microbial Granulation in an Anaerobic Process Treating Inorganic and Organic Nitrogenous Wastewater / Water Science and Technology 50:207~215
Ali, M. / 2015 / Anammox-Based Technologies for Nitrogen Removal: Advances in Process Start-Up and Remaining Issues / Chemosphere 141:144~153
Anthonisen, A. / 1976 / Inhibition of Nitrification by Ammonia and Nitrous Acid / Journal (Water Pollution Control Federation) :835~852
Ahn, Y. / 2006 / Autotrophic Nitrogen Removal from Sludge Digester Liquids in Upflow Sludge Bed Reactor with External Aeration / Process Biochemistry 41:1945~1950
Ahn, Y. / 2004 / Nutrient Removal and Microbial Granulation in an Anaerobic Process Treating Inorganic and Organic Nitrogenous Wastewater / Water Science and Technology 50:207~215
Ali, M. / 2015 / Anammox-Based Technologies for Nitrogen Removal: Advances in Process Start-Up and Remaining Issues / Chemosphere 141:144~153
Anthonisen, A. / 1976 / Inhibition of Nitrification by Ammonia and Nitrous Acid / Journal (Water Pollution Control Federation) :835~852
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