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    • 1. 发明授权
    • Process for the production of hydrochloric acid and neutralized sulfates
    • 生产盐酸和中和硫酸盐的方法
    • US06676917B2
    • 2004-01-13
    • US09788140
    • 2001-02-16
    • José Cabello-Fuentes
    • José Cabello-Fuentes
    • C01B701
    • C01B17/96C01B7/035C01C1/164C01C1/242C01D5/02
    • A process for the production of hydrochloric acid and neutralized sulfates comprising: reacting sulfuric acid with an alkaline metal chloride in order to obtain a liquor containing hydrochloric acid, an acid alkaline metal sulfate and an excess of sulfuric acid; separating the hydrochloric acid from the liquor containing the hydrochloric acid, the acid alkaline metal sulfate and the excess of sulfuric acid; neutralizing the acid alkaline metal sulfate and the excess sulfuric acid by adding to the remaining liquor after the separation of the hydrochloric acid a neutralizing agent to obtain a neutralized mass; cooling the neutralized mass to crystallize the neutralized alkaline metal sulfate and obtain neutralized alkaline metal sulfate crystals; and separating the neutralized alkaline metal sulfate crystals from the liquor.
    • 一种生产盐酸和中和硫酸盐的方法,包括:使硫酸与碱金属氯化物反应,以获得含有盐酸,酸性碱金属硫酸盐和过量硫酸的液体; 从含有盐酸,酸性碱金属硫酸盐和过量的硫酸的液体中分离盐酸; 在分离盐酸中和剂后向其余液体中和酸碱金属硫酸盐和过量硫酸,得到中和物质; 冷却中和的物质以使中和的碱金属硫酸盐结晶,得到中和的碱金属硫酸盐晶体; 并从该液体中分离中和的碱金属硫酸盐晶体。