桔青霉降解三苯甲烷染料孔雀绿的研究  

Biodegradation of Triphenylmethane dye Malachite Green by Penicillium Citrinum

作　　者：赵丽红[1] 权浩 张盼盼[1] 

机构地区：[1]辽宁工业大学土木建筑工程学院,辽宁锦州121001 [2]锦州市经济技术开发区发展集团公司,辽宁锦州121000

出　　处：《辽宁工业大学学报（自然科学版）》2013年第2期133-135,140,共4页Journal of Liaoning University of Technology(Natural Science Edition)

基　　金：住房城乡建设部基金项目(2010-K7-8);辽宁省教育厅科学技术研究项目(L2011097);辽宁工业大学大学生创新创业训练计划项目(2012060)

摘　　要：三苯甲烷染料通常被认为是异源化合物,很难被生物降解。为研究桔青霉降解三苯甲烷染料孔雀绿的脱色性能,考察了接种菌球浓度、染料浓度、温度和初始pH等因素对孔雀绿脱色的影响。分批实验结果表明,桔青霉能够有效去除孔雀绿,在培养液初始pH为7.0,30℃,菌球浓度为5%,摇床转速150 r/min的条件下脱色孔雀绿染料100 mg/L,脱色率可达到88%.孔雀绿脱色前后的紫外-可见光谱分析表明,桔青霉能够有效降解孔雀绿染料,具有工业应用潜力。Triphenylmethane dyes are generally considered as the xenobiotic compounds, which are very recalcitrant to biodegradation. In order to discuss triphenylmethane dyes Malachite Green （MG） decolorization performance by Penicillium citrinum, the effects of inoculum concentration, dye concentration, temperature and initial pH of the solution were studied. The results obtained from the batch experiments revealed the high ability of the tested fungus to remove MG. Decolorization rate of MG dye （100 mg/L） was 88% at pH 7.0, temperature 30℃and inoculum concentration 5% under shaking condition （150 r/min）. UV-Vis spectroscopy analysis of samples before and after decolorization confirmed. Penicillium citrinum was efficient for the degradation of MG and potential for industrial applications.

关 键 词：桔青霉 三苯甲烷染料 孔雀绿 脱色 

分 类 号：X703.1[环境科学与工程—环境工程]