纸浆漂白过程中草酸的形成、危害及控制  

Formation and harm of oxalic acid in bleaching process and its control measures

作　　者：季爱坤 宋爽 邱建国 

机构地区：[1]民丰特种纸股份有限公司,浙江嘉兴314000

出　　处：《中华纸业》2014年第22期10-13,共4页China Pulp & Paper Industry

摘　　要：随着制浆造纸工业的不断发展以及人们环保意识的不断提高,传统的含氯漂白工艺开始逐渐被无元素氯漂白(ECF)、全无氯漂白(TCF)等绿色漂白工艺取代。但是在绿色漂白过程中产生的草酸一直困扰着企业科技人员。本文介绍了纸浆漂白过程中草酸的形成、来源,草酸结垢对漂白设备的危害,以及对草酸及其危害的有效控制。With the development of pulp and paper industry, as well as the ever-aggravating environmental problems, the substitution of the traditional chlorine bleaching with green bleaching is becoming one of the development trends. But scientific research personnel of pulping and papermaking are always puzzling about the oxalic acid appearance in the process of pulp bleaching, The article introduces the formation, harm of oxalic acid and its control measures in the process of pulp bleaching.

关 键 词：漂白 草酸 形成 危害 控制 

分 类 号：TS745[轻工技术与工程—制浆造纸工程]