Process for the preparation of ammonium sulfate chemically pure from sulfuric acid and ammonia technique

• 1. 用于含硫酸铵的石油燃料燃烧灰的湿加工方法和利用通过该湿加工方法回收的氨组分的方法 [P] . 中国专利： CN1125148C . 2003.10.22
• 2. 用于含硫酸铵的石油燃料燃烧灰的湿加工方法和利用通过该湿加工方法回收的氨组分的方法 [P] . 中国专利： CN1194283A . 1998-09-30
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  机译： 从硫酸铵和硫酸和/或-硫酸氢盐或其水溶液或硫酸中产生氨的方法。

• 4. A method for the production of ammonia from an ammonia-containing gas by washing out with sulfuric acid under the causing of the formed in the washing process, ammonium sulfate regenerated acidity [P] . 德国专利： DE1467204A1 . 1969-11-06

  机译： 在洗涤过程中形成硫酸的原因下，通过用硫酸洗涤从含氨气体中生产氨的方法

• 5. Process for the electrochemical dissociation of alkali sulfates and ammonium sulfate in free alkali and sulfuric acid with simultaneous anodic oxidation of sulfur dioxide [P] . 欧洲知识产权局专利： EP0588149B1 . 1998-01-14

  机译： 碱金属硫酸盐和硫酸铵在游离碱金属和硫酸中的电化学离解以及同时对二氧化硫进行阳极氧化的方法

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