公开(公告)号：US4251497A

公开(公告)日：1981-02-17

申请号：US27891

申请日：1979-04-06

申请人： Kazumasa Tezuka ,  Seiichi Hisano ,  Hyoichi Sasaki ,  Ikuo Watanabe

发明人： Kazumasa Tezuka ,  Seiichi Hisano ,  Hyoichi Sasaki ,  Ikuo Watanabe

IPC分类号： G01N33/00 ,  B01D53/50 ,  C01F7/74 ,  G01N25/48 ,  C01B17/00

CPC分类号： G01N25/48 ,  B01D53/50

摘要： Reaction heat values of basic aluminum sulfate solution with acid such as sulfuric acid are correlative with an amount of base contained in said solution. The difference of temperatures of said solution before and after its reaction with said acid is utilized as an indication for the calibration of the basic amount in the solution. This calibration is effectively utilized for the control of the basic amount of said solution which is employed in the removal of SO.sub.2 gas from a waste gas.

摘要翻译： 碱式硫酸铝溶液与酸如硫酸的反应热值与所述溶液中所含的碱的量相关。 所述溶液在与所述酸反应之前和之后的温度差异被用作校准溶液中碱性量的指示。 该校正被有效地用于控制用于从废气中除去SO 2气体的所述溶液的碱性量。