Pilot Studies on Cloth Media Filter Applied in WWTP for the Treatment of Secondary Effluent

Autor: Fang Tong Wu, Li Jun Bi, Shi Quan Sun, Chang Bo Jiang, Wan Chun Tan, Xiao Bao Nie, Ping Ping Xu
Rok vydání: 2011
Předmět:
Zdroj: Advanced Materials Research. :683-689
ISSN: 1662-8985
DOI: 10.4028/www.scientific.net/amr.183-185.683
Popis: Cloth media filter was applied in the treatment of the effluent of a municipal wastewater plant through pilot scale test for water reuse. Ferric chloride (FeCl3), PAFC and polyaluminum chloride (PAC) were employed as coagulants respectively to carry out the test. The average removal efficiency of TP and CODCr was 28.76% and 8% after cloth media filter without coagulation, and TP removal was influenced by the influent water quality. However, precoagulation with coagulants of ferric chloride, PAFC, PAC, the average removal efficiency of TP was 63.58%, 60.13%, 66.94% respectively, and no influence of TP removal can be found by the influent water quality. The average removal efficiency of CODCr was increased to 17.7%、26.3% and 27.7%,SS was 70.7%、64.3% and 49.1%. TN and NH3-N were removed unstably after cloth media filter.
Databáze: OpenAIRE