河南省造纸行业污染物排放状况与废水治理措施

The pollutants emissions and wastewater treatment techniques of papermaking industry in He'nan Province

河南省造纸及纸制品企业主要分布在淮河、海河、黄河和长江及其支流河系沿岸,污染物排放主要集中在淮河流域.造纸及纸制品企业制浆原料主要有杨木(枝桠材)、麦草、龙须草和废纸.制浆工艺主要包括碱性过氧化氢化机法制浆、烧碱法制浆和废纸制浆.企业污染物治理普遍采用的末端治理技术是物理+厌氧+好氧生物处理+深度化学处理组合工艺.

The papermaking industry in He＇nan Province is distributed mainly along the Huaihe River,Haihe River,Yellow River,Yangtze River and its tributaries,and the pollutants emissions are mainly concentrated in the Huaihe River. Cotton wood（ branch material）,wheat straw,binate,and waste paper are the main raw materials for papermaking enterprises in He＇ nan Province. The pulping technique includes alkaline peroxide mechanical pulping,alkaline decomposition,and wastepaper pulping. The commonly used final treatment technology by papermaking enterprises is a combination technology,which is usually constituted by physical treatments,anaerobic and aerobic biological treatment,and advanced treatment by chemical method.