| 发明名称 |
PROCESS FOR PREPARING CALCIUM POLYSULPHIDE |
| 摘要 |
The invention relates to a process for preparing calcium polysulphide by boiling the hydrated lime with industrial coke sulphur at 95...100 degree C, for 120 min. In order to prepare a concentrated calcium polysulphide solution having a total sulphur content of 15...22%, the weight ratio sulphur : lime : water is of 1 : 1.05 : 7.48.
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| 申请公布号 |
RO117783(B) |
申请公布日期 |
2002.07.30 |
| 申请号 |
RO19960001704 |
申请日期 |
1996.08.27 |
| 申请人 |
INSTITUTUL DE CERCETARI PENTRU EPURAREA APELOR REZIDUALE, BUCURESTI |
发明人 |
COCHECI VASILE;ANASTASIU ALEXANDRU;BRANZEI EUGEN;DALEA VIORICA;MARTIN ADRIANA;VLAD LIDIA |
| 分类号 |
C01B17/42;(IPC1-7):C01B17/42 |
主分类号 |
C01B17/42 |
| 代理机构 |
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