METHOD FOR PRODUCTION OF ADDITIVE FOR PROMOTER OF HARDENING CONCRETE Russian patent published in 1996 - IPC

Abstract RU 2057735 C1

FIELD: building materials production. SUBSTANCE: method involves neutralization of waste solution of coke production. Said solution contains thiocyanate, sodium thiosulfate and sodium sulfate. Inhibitor of corrosion is added into mentioned above neutralized solution, its quantity being 1-10 g/l. Then mixing and drying at 200-300 C are carried out to prepare bulk product. EFFECT: improves efficiency of method, improves quality of desired product. 1 tbl

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RU 2 057 735 C1

Authors

Levina V.S.

Litvinov O.N.

Gostev Ju.A.

Olejnikov V.V.

Dates

1996-04-10—Published

1993-06-25—Filed