FIELD: chemistry.
SUBSTANCE: invention relates to production porous aggregates for concrete. The mixture for producing porous aggregate contains the following, wt %: montmorillonite clay 85.0-95.0, powder of water treatment sludge formed after removing hardness salts during water treatment at thermoelectric plants 5.0-15.0.
EFFECT: high strength of the porous aggregate made from the mixture.
1 tbl
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