微生物降解生物质气化洗焦废水和焦油的研究

为解决在生物质气化中的焦油污染问题,用首都师范大学生物系微生物实验室保存的微生物菌种对生物质气化洗焦废水和焦油进行处理.当洗焦废水浓度分别为6, 10和15mL/L时,经微生物降解后,COD去除率分别达到75.2%,83.9%和63.1%.以焦油为底物,在焦油浓度为0.56和 1.0g/L时,COD去除率分别达到82.7%和72.3%.苯酚的最高降解率为98.8%.此菌种具有降解生物质气化洗焦废水和焦油的能力.

Study on microbial degradation of tar-wash wastewater and tar in biomass gasification by microorganisms.

A strain conserved in the lab of Department of Biology, Capital Normal University was utilized to treat tar-wash wastewater and crude tar in order to solve the problem of tar pollution in the biomass gasification. When tar-wash wastewater concentrations were 6, 10 and 15ml/L, the COD removal rates reached 75.2%, 83.9%, and 63.1%, respectively. When tar concentrations were 0.56 and 1.0g/L, the COD removal rates reached 82.7% and 72.3%, respectively. Phenol microbial conversion indicated that the phenol highest degradation rate was 98.8%. This strain possessed the ability to degradade tar-wash wastewater and tar in the bomass gasification.