造纸黑液处理论述  

Discussion on Black Liquor Treatment

作　　者：胡磊 Hu Lei(School of Environment and Municipal Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China)

机构地区：[1]兰州交通大学环境与市政工程学院,甘肃兰州730070

出　　处：《山东化工》2020年第6期244-246,共3页Shandong Chemical Industry

摘　　要：制浆造纸是国家的重要产业之一,但同时也是污染很严重的一个行业。本文简要对制浆造纸的工艺进行了阐述,对制浆造纸各工段产生的废水水进行了说明,突出表明制浆黑液的成分复杂、处理难度大,对于目前国内外常用的而且也比较成熟的几种黑夜处理工艺进行了较为全面详细的总结,着重介绍了碱回收法、酸析法、混凝沉淀法以及膜分离法。Pulp and paper industry is one of the most important industries in the country,but it is also a very serious pollution industry.In this paper,the process of pulping and papermaking is briefly described,and the waste water produced in each section of pulping and papermaking is described.It is highlighted that the composition of pulping black liquor is complex and the treatment is difficult.Several commonly used and relatively mature night treatment processes at home and abroad are comprehensively and detailedly summarized.The alkali recovery method,acid precipitation method and coagulation sedimentation method are mainly introduced And membrane separation.

关 键 词：造纸黑液 处理技术 资源回收 

分 类 号：X7[环境科学与工程—环境工程]