Original document(6 pages) Authorized document(6 pages) 中文版
    A process for preparing non-dusting hydros by hydroxy-contained alcohol polymer includes such steps as proportioning the hydroxy-contained alcohol polymer as assistant and the hydros in Wt. ratio of (0.2-1):100, using methanol as solvent to preparing the assistant solution at 60-70 deg.C while stirring, adding the solution to the washed hydros, immersing for 1-10 min, and filtering with high-pure nitrogen gas under at least 0.2 MPa.
Application Number
申请号		 03112292 Application Date
申请日		 2003.05.29
Title 名称 Method of producing dustless sodium hydrosulfite using hydroxy group containing alcobolic polymer and its product
Publication Number
公开号		 1459417 Publication Date
公开日		 2003.12.03
Approval Pub. Date Granted Pub. Date 2005.03.30
International Classification 分类号 C01G1/14,C09C3/10
Applicant(s) Name
申请人		 Jinhe Sodium Hydrosulfite Plant Co., Ltd., Yantai City
Address 地址 265502
Inventor(s) Name 发明人 Zhang Baojian, Zhang Xinzun
Attorney & Agent 代理人

  
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