-
公开(公告)号:US4276116A
公开(公告)日:1981-06-30
申请号:US41468
申请日:1979-05-22
申请人: Walter Blumrich , Karl H. Dorr , Hans J. Konig , Ulrich Sander
发明人: Walter Blumrich , Karl H. Dorr , Hans J. Konig , Ulrich Sander
IPC分类号: C01B17/74 , C01B17/765 , C01B25/234 , B01D1/28
CPC分类号: C01B25/2346 , C01B17/7655 , Y10S159/08 , Y10S159/16
摘要: A process for the concentration of dilute phosphoric acid in a phosphoric acid process characterized by a plurality of separate phosphoric acid cycles when the phosphoric acid is concentrated in each cycle by a vacuum evaporation is described wherein the phosphoric acid cycles is heated by indirect heat exchange by heat of formation formed in a sulfuric acid contact process.
摘要翻译: 描述了当通过真空蒸发在每个循环中浓缩磷酸时,在磷酸方法中浓缩稀磷酸的方法,其特征在于多个分开的磷酸循环,其中磷酸循环通过间接热交换加热 在硫酸接触过程中形成的形成热。
-
公开(公告)号:US4330364A
公开(公告)日:1982-05-18
申请号:US191584
申请日:1980-09-29
申请人: Walter Blumrich , Karl H. Dorr , Hans J. Konig , Ulrich Sander
发明人: Walter Blumrich , Karl H. Dorr , Hans J. Konig , Ulrich Sander
IPC分类号: C01B17/74 , C01B17/765 , C01B25/234 , B01D1/00
CPC分类号: C01B25/2346 , C01B17/7655 , Y10S159/08 , Y10S159/16
摘要: A process for the concentration of dilute phosphoric acid in a phosphoric acid process characterized by a plurality of separate phosphoric acid cycles when the phosphoric acid is concentrated in each cycle by a vacuum evaporation is described wherein the phosphoric acid cycles is heated by indirect heat exchange by heat of formation formed in a sulfuric acid contact process.
摘要翻译: 描述了当通过真空蒸发在每个循环中浓缩磷酸时,在磷酸方法中浓缩稀磷酸的方法,其特征在于多个分开的磷酸循环,其中磷酸循环通过间接热交换加热 在硫酸接触过程中形成的形成热。
-