Electroplating Wastewater Treatment with a Two-Double Biological Aerated Filter(T-DBAF)for Reuse
A new two-double biological aerated filter was developed for advanced treatment of electroplating wastewater for reuse.The method for the start-up was a double times start-up,and it only lasted 20 days,the removal ratios of CODer and NH4+-N were above 85％ when the start-up was finished.During the steady-state conditions,when the hydraulic loadings and air/water ratio were 1.20 m3/m2·h and 4:1,the removal ratios of CODer and NH3-N were 90.13％ and 92.5％,respectively,the effluent stability reached the standard for reuse.Comparing with traditional BAF,the period for backwash of.the new BAF averaged 10 days,and the recovery time was efficiently shortened.
two-double biological aerated filter electroplating wastewater hydraulic loading air/water ratio backwashing
YAN DONGDONG LIU BO WANG QI LI SONG REN HONGQIANG
National Key Laboratory of Pollution Control and Resource Reuse,Engineering Center of Water treatment and Environment Remediation,Ministry of Education,Nanjing,210093,China
国际会议
第二届国际造纸与环境学术会议(The Second International Papermaking & Environment Conference)
天津
英文
1150-1153
2008-05-14（万方平台首次上网日期，不代表论文的发表时间）