| 发明名称 |
REDUCING AGENT FOR THE SOLUBLE CHROMATE CONTENT IN CEMENT AND METHOD FOR PRODUCING THE SAME |
| 摘要 |
<p>The invention relates to a reducing agent for the soluble chromate content of cement and to methods for the production thereof, which comprise concentrating an used sulfuric acid, containing iron(II) sulfate, and separating the sulfuric acid from the obtained precipitate which contains iron(II) sulfate.</p> |
| 申请公布号 |
KR20060036459(A) |
申请公布日期 |
2006.04.28 |
| 申请号 |
KR20067001163 |
申请日期 |
2006.01.17 |
| 申请人 |
KERR-MCGEE PIGMENTS GMBH |
发明人 |
VOSSIGN MICHAEL;AUER GERHARD;LAUBACH BENNO;KLEIN DETLEF;SCHUY WERNER;KOLLISCH KLAUS;WEISS ERWIN;BAHL WERNER;REESE PHILIP |
| 分类号 |
C01B17/90;C01B17/88;C01G23/053;C01G49/14;C04B22/14;C04B28/02;C22B7/04 |
主分类号 |
C01B17/90 |
| 代理机构 |
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