东华大学学报（英文版）2004，Vol.21Issue(6)：88-92,5.
Phenolic Compound Removal in Coal-gas Wastewater by O3-IBAC
Phenolic Compound Removal in Coal-gas Wastewater by O3-IBAC
MA Fang 1YANG Hai-yan 1YANG Ji-xian 1QIN Song-yan 1GAO Jie 1XI Xin-xin1
作者信息
- 1. School of Municipal & Environment Engineering,Harbin Institute of Technology,Harbin 150090
- 折叠
摘要
Abstract
Acclimated bacteria with high ability of phenolic compound biodegradation were immobilized on granular activated carbon to form Immobilization Bacteria Activated Carbon (IBAC). Ozone and IBAC combined process was applied to treat coal-gas wastewater containing phenolic compounds. Optimum ozone dosage and contact time were determined to be 18mg/L and 20min. Although pre-oxidation contributed little to the removal of total organic carbon (TOC), it changed the characteristics and structure of organic substance in the wastewater. By using of ozone-IBAC treatment, when influent contained 500mg/L COD and 95mg/L phenol, the removal rates of COD and phenol are higher than 80% and 92%. After 6 months of operation, acclimated bacteria abundance maintained above 6.1×103cfu/(g carbon) and kept in dominant status. Moreover, bacteria distribute evenly on the activated carbon. The long-term steady viability and high biodegradation efficiency of acclimated bacteria are discussed according to the ecological principle.关键词
ozone/IBAC/biodegradation/acclimated bacteriaKey words
ozone/IBAC/biodegradation/acclimated bacteria引用本文复制引用
MA Fang,YANG Hai-yan,YANG Ji-xian,QIN Song-yan,GAO Jie,XI Xin-xin..Phenolic Compound Removal in Coal-gas Wastewater by O3-IBAC[J].东华大学学报（英文版）,2004,21(6):88-92,5.
