对草浆造纸业来说,造纸黑液污染是深深勒在喉咙上的一根绞索。现在这个难关已被攻克。河南省科学院一项自主创新技术,可将造纸产生的黑液全部变成生产磺化木质素的原料,不仅实现造纸黑液“零排放”,而且创造出高效益。“国内造纸的主要原料是麦草,近年来推广使用的碱回收法虽然 For the straw pulp and paper industry, black papermaking pollution is a noose deep in the throat. Now this tide has been overcome. Henan Academy of Sciences, an independent innovation technology, black paper can produce all of the black liquor into the production of sulfonated lignin raw materials, not only to achieve “zero discharge” black liquor, but also to create high efficiency. "The main raw material for domestic papermaking is wheat straw, although the alkali recovery method promoted in recent years has been adopted