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Yuan-yuan Jia School of Material Chemical Engineering Tianjin University of Science Technology 《天津科技大学学报》2004,19(Z2)
1.INTRODUCTIONWheat straw is the main raw material in northern China, and its black liquor is blamed for contributing serious pollution to the environment. A technical breakthrough has been achieved in the field of chemical recovery for wheat straw pulping after more than twenty years' developments and practices. Wheat straw pulp chemical recovery projects with the pulping capacity of 75-100t/d have been put into 132--production gradually in recent years. Evaporation of wheat straw pulp… 相似文献
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