Original document(6 pages) Authorized document(4 pages) 中文版
    This invention is a kind of method that the waste NaCl solution, which is produced in softening treatment of boiler water, can be recovered and reused. The feature of this method is that proportional amount of caustic soda (NaOH) and soda (Na2CO3) are put in the waste NaCl solution which involves great amount of calcium ion and magnenium ion, then the magnenium hydroxide [Mg(OH)2] and calcium carbonate [CaCo3] for other usage are formed. The pure NaCl solution is obtained and is mixed as the requirments of usage, then it can be reused.
Application Number
申请号		 85105048 Application Date
申请日		 1985.07.04
Title 名称 Method of recovery and circulating use of waste brine
Publication Number
公开号		 1006256 Publication Date
公开日		 1986.12.31
Approval Pub. Date Granted Pub. Date 1989.01.18
International Classification 分类号 C02F5/02
Applicant(s) Name
申请人		 Jin Shoupei
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人
More information 更  多  信  息


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