摘要
研究了不同白腐真菌菌株对灰法造纸黑液废水的处理效果 ,考察了黑液废水浓度和碳氮源添加量对黑液脱色及COD去除率的影响。研究表明 ,变色栓菌 (Trametesverscolor) 对黑液废水的处理效果最好 ,其COD去除率为 6 4 .2 5 % ,脱色率为 4 7.31 %。用自选的白腐真菌AH2 8-2菌株处理未经稀释的黑液废水 ,分别添加 0 .2 %纤维二糖和0 .0 2 %天冬酰胺 ,COD去除率达 6 2 .4 5 %和 6 8.6 0 %。研究发现 ,锰过氧化物酶 (MnP)和木素过氧化物酶(LiP)对COD去除率有直接影响 ,MnP/LiP酶活力比值越高 。
The effects of treatment of pulp black wastewater by five different strains of white-rot fungi were compared. The influences of the concentration of black wastewater and the sources of carbon and nitrogen on treatment were studied. The removal percentage of COD and decolorization rate were 64.25% and 47.31% respectively for black liquor by Trametes verscolor.When 0.2% cellobiose or 0.02% asparagine were added during incubation, the removal percentages of COD by AH28-2 were 62.45% and 68.60% respectively. The roles of manganese peroxidase(MnP) and lignin peroxidase(LiP) were important for the treatment of black wastewater by white-rot fungi. The higher enzyme activity rate of MnP and LiP was helpful to the treatment of pulp black wastewater.
出处
《生物学杂志》
CAS
CSCD
2002年第5期17-18,共2页
Journal of Biology
基金
安徽省教委自然科学基金资助项目 (2 0 0 1KJ0 1 0
2 0 0 0j1 0 1 3)
