| 发明名称 |
REAGENT FOR PURIFICATION OF HYDROCHLORIC ACID SOLUTIONS FROM COPPER IONS |
| 摘要 |
FIELD: chemistry.SUBSTANCE: invention can be used in purification of sewage waters of metallurgical plants. In order to purify hydrochloric acid solutions from copper ions used is reagent, representing mechanically activated mixture of iron and sulphur powders, taken with the following component ratio, wt %: iron 95.0 - 99.5; sulphur 0.5 - 5.0. Powder of carbonyl iron can be used as iron powder.EFFECT: invention makes it possible to achieve low residual content of copper irons in diluted hydrochloric acid solutions in fast and ecologically friendly way.2 cl, 2 dwg, 1 tbl, 1 ex |
| 申请公布号 |
RU2507160(C1) |
申请公布日期 |
2014.02.20 |
| 申请号 |
RU20120123568 |
申请日期 |
2012.06.06 |
| 申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "SEVERSTAL'" (OAO "SEVERSTAL'") |
发明人 |
TJUKALOVA NATAL'JA EVGEN'EVNA;TSVETKOVA IRINA GENNAD'EVNA;SHCHELKUNOV IGOR' NIKOLAEVICH;MISHNEV PETR ALEKSANDROVICH;RATNIKOV ALEKSANDR VALENTINOVICH;DEMIDOV ALEKSANDR IVANOVICH;BATUROVA LJUDMILA PETROVNA;MASLOV VIKTOR VASIL'EVICH |
| 分类号 |
C02F1/62;C02F101/20;C02F103/16;C23G1/36 |
主分类号 |
C02F1/62 |
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