基于多级生化+催化电解工艺的煤炭地下气化废水处理技术研究

Research on multi-stage biochemical+catalytic electrolysis process technology for treatment of wastewater from underground coal gasification

研究了煤炭地下气化废水(UCGW)的多级A/O生化VTBR+催化电解组合处理工艺,分析了催化电解过程中槽电压、pH、液体催化剂、曝气量和反应时间对化学需氧量(COD)去除的影响,给出了最佳催化电解条件下VTBR+催化电解组合工艺的最优运行参数,为高效处理UCGW开发了新的工艺技术。

A multi-stage A/O biochemical VTBR+catalytic electrolysis process for the treatment of underground coal gasification wastewater(UCGW)is studied,and the effects of tank voltage,pH value,liquid catalyst,aeration rate and reaction time on the removal of chemical oxygen demand(COD)in the process of catalytic electrolysis are analyzed.The optimal operating parameters for the VTBR+catalytic electrolysis process under the optimal catalytic electrolysis conditions are obtained,which is a new process technology developed for the efficient treatment of UCGW.