FIELD: chemistry.
SUBSTANCE: invention relates to the industry of construction materials and can be used in recycling coal benefication wastes and sewage sludge after biological treatment. The crude mixture contains the following in wt %: clay material - 94-95, coal benefication wastes with 54.4% content of residual carbon - 3.5-4.0 and sludge after biological treatment of domestic sewage, containing iron oxides and carbon - 1.5-2.0.
EFFECT: low packed density of expanded clay and high expansion coefficient of granules thereof.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| RAW MIX FOR PREPARING EXPANDES CLAY AGGREGATE | 1999 |
|
RU2171236C1 |
| STARTING MATERIAL FOR CLAYDITE | 1998 |
|
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| RAW MIXTURE FOR PREPARATION OF POROUS AGGREGATE | 0 |
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RU2214978C1 |
| RAW MIXTURE FOR CLAYDITE PRODUCING | 1991 |
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| CRUDE MIXTURE FOR PRODUCING HAYDITE | 1997 |
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| RAW MIX FOR MANUFACTURING HAYDITE | 1995 |
|
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| KERAMZITE PRODUCTION RAW MIX | 2001 |
|
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| METHOD OF PREPARING BLOATING COMPONENT FOR CRUDE KERAMZITE MIX | 2000 |
|
RU2183206C2 |
