Process for obtaining hydrochloric acid from flue gases,申请号AU19960069835-传众专利搜索

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发明名称	Process for obtaining hydrochloric acid from flue gases
摘要	The process is used to obtain hydrochloric acid from flue gases. Hydrogen chloride HC1, hydrogen fluoride HF and other substances soluble in an aqueous washing solution are removed thereby. The dissolved fluoride ions are converted with added aluminium and sodium ions into cryolite Na3A1F6 and aluminium fluoride A1F3. A fraction of larger crystals (52) is removed from the washing solution taken to a circuit (12, P1, 32, P3, 5) and a fraction of finer crystals left in the washing solution. HC1 is expelled from the washing solution. A vapour (34) containing the expelled HC1 is taken to further processing stages (8) for producing highly concentrated hydrochloric acid (88).
申请公布号	AU6983596(A)	申请公布日期	1997.05.07
申请号	AU19960069835	申请日期	1996.10.02
申请人	CT UMWELTTECHNIK AG	发明人	DIETMAR SOWIEJA;WALTER LANG;MARTIN SCHAUB
分类号	B01D53/68;C01B7/07;C01F7/50;C01F7/54	主分类号	B01D53/68
代理机构		代理人
主权项
地址

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