漂白废新闻纸脱墨浆白水中DCS的漆酶/介体控制  

Treatment of DCS from bleached deinked ONP pulp by laccase-mediator system

作　　者：王志伟[1] 秦梦华[1] 傅英娟[1] 苗庆显[1] 

机构地区：[1]山东轻工业学院制浆造纸科学与技术重点实验室,济南250353

出　　处：《中华纸业》2010年第16期13-17,共5页China Pulp & Paper Industry

基　　金：国家教育部新世纪优秀人才支持计划(NCET-08-0882);国家自然科学基金(30972327;20576065)资助项目

摘　　要：研究了漆酶/介体对漂白废新闻纸脱墨浆白水中DCS的作用效果,确定了最佳处理条件,并采用GC-MS气质联用仪分析了DCS经漆酶、漆酶/介体处理后成分的变化。结果表明:漆酶可以对DCS中的木素类物质产生降解作用,对酯类、部分脂肪酸、树脂酸也有一定降解作用。漆酶/介体处理可使DCS水的CD值、Zeta电位降低;但电导率、COD、浊度有所增加;胶体物质的平均粒径变小。The DCS from bleached deinked ONP pulp was studied by laccase-mediator system,and the optimum conditions of treatment were determined in this paper.The change in content of DCS components was analyzed by GC-MS.The results show that lignin,ester,resin acid and part of fatty acid can be degraded by laccasemediator system.The laccase-mediator treatment will make the average grain diameter,the cationic demand and Zeta potential of DCS decrease,the electrical conductivity,COD,and turbidity increase simultaneously.

关 键 词：DCS 漆酶 木素 GC-MS 脂肪酸 树脂酸 

分 类 号：TS749.7[轻工技术与工程—制浆造纸工程] TS745