Turn papermaking black liquor into papermaking materials

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A patented technology invented by Dong Xuezhi, a professor at the College of Chemistry and Chemical Engineering of Henan University, which can completely convert papermaking black liquor into necessary raw materials for papermaking, has successfully completed the technological transformation and will soon begin industrial production. The person in charge of the Alkali-Grass Committee of the Chinese Paper Society said: "If the country uses pulp-based pulp and paper companies all use this new technology, it can bring nearly 1 billion yuan in direct economic benefits to the country each year."
After the technology is put into use, it not only can completely eliminate the black liquor pollution, but also can completely convert the black liquor produced in the papermaking process into the caustic soda and high quality precipitated calcium carbonate chemical raw materials necessary for papermaking. On March 3, Henan University held a cooperation signing ceremony with Wuhan Emerging Steel Rebar Connection Technology Co., Ltd. and Wuhan Chenming Hanyang Paper Co., Ltd. for a papermaking black liquor processing project.

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