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Article: Paper-Making Black Liquor Turned into Organic Compound Fertilizer.(y Zhonghua Scientific and Technological General Research Institute)(Brief Article)
- Article from:
- China Chemical Reporter
- Article date:
- September 26, 2001
CopyrightCOPYRIGHT 2001 China National Chemical Information Center. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Zhonghua Scientific and Technological General Research Institute has developed a new technology to turn black pollution in paper making into organic compound fertilizer and therefore found a thorough solution to the pollution problem caused by paper-making black liquor. The technology has been successfully used in commercial production units.
The technology can process the black liquor in the paper production using the potassium hydroxide process into organic potash fertilizer through extraction, concentration, ...