In the third part, the preparation of flocculant from slag and pyrite cinder and its application in the treatment of cotton pulping black liquor were studied.
本文第三部分研究了用钢渣和硫铁矿渣制备絮凝剂及其在棉浆黑液处理中的应用。
2
This thesis discusses the problem of how to treat black liquid from small pulp and paper factory by using chemical coagulation and absorption with coal cinder.