№7|2012
WASTEWATER TREATMENT
bbk 000000
UDC 628.35:661.5/.63.001.2
Designing nitrification-denitrification retrofit at the biological treatment facilities
Summary
The results of studies carried out at the Khabarovsk wastewater treatment facilities are presented. The developed process flow sheet of wastewater biological treatment included nitrification-denitrification processes to eliminate nitrogen compounds according to the set standards. The process flow sheet provided for retrofitting dephosphatation zone to ensure maximum level of phosphorus removal at the biological treatment stage in order to reduce chemical consumption at the subsequent treatment stages. The process design of the biological treatment facilities was carried out.
Key words
treatment facilities , wastewater , nitrification , dephosphatization , activated sludge , denitrification
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