FIELD: chemistry.
SUBSTANCE: granular natural material contains on the surface catalytically active layer, which consists of mixture Mn2O3, MnO2 and Fe(OH)2 with their weight ratio (2-2.5):(5-5.5):(0.5-0.7). Catalytically active layer is faxed on the surface of filtering one by processing with sodium thiosulphate.
EFFECT: obtaining of effective material, suitable for purification of water from iron.
4 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| FILTRATION MATERIAL FOR CLEANING WATER OF IRON, MANGANESE AND HYDROGEN SULPHIDE AND METHOD OF ITS PRODUCTION | 2010 |
|
RU2447922C1 |
| FILTERING MATERIAL FOR TREATMENT OF WATER FROM MANGANESE AND IRON, METHOD FOR IT PREPARING AND METHOD FOR TREATMENT OF WATER FROM MANGANESE AND IRON | 2004 |
|
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| METHOD OF MAKING WATER TREATMENT SORBENT | 2011 |
|
RU2483798C1 |
| METHOD FOR PREPARATION OF CATALYTICALLY ACTIVE GRAINY FILTERING MATERIAL | 2007 |
|
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| CATALYTIC SORBENT FOR PURIFICATION OF WATER MEDIUM | 2016 |
|
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| METHOD FOR PRODUCING CATALYTIC MATERIAL FOR WATER PURIFICATION | 2022 |
|
RU2792338C1 |
| METHOD OF PRODUCTION OF FILTER MATERIAL FOR WATER PURIFICATION | 2003 |
|
RU2238788C1 |
| PROCEDURE FOR PROCESSING WASTE CHEMICAL SOURCES OF CURRENT OF MANGANESE-ZINC SYSTEM FOR COMPLEX UTILISATION | 2010 |
|
RU2431690C1 |
| METHOD OF PURIFICATION OF A LIQUID FROM IMPURITIES BY FILTRATION | 2003 |
|
RU2265475C2 |
| METHOD OF PREPARING GRANULATED FILTER MATERIAL | 2000 |
|
RU2162737C1 |
