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2 836 540

(13)

(51)

IPC

C04B7/28(2006-01-01)

C04B18/10(2006-01-01)

C04B103/32(2006-01-01)

(21) (22)

Application

2024127745, 2024-09-20

(24)

Start date

2024-09-20

(22)

Actual filing date

2024-09-20

(45)

Published

2025-03-17

(72)

Inventor

Kulikov Boris PetrovichSamoilo Aleksandr SergeevichBaksheeva Irina IgorevnaPlotnikova Alena Aleksandrovna

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniia Sibirskii Federalnyi Universitet

METHOD OF PRODUCING NON-FIRED MINERAL BINDER Russian patent published in 2025 - IPC C04B7/28 C04B18/10 C04B103/32

Abstract RU 2836540 C1

FIELD: chemistry.

SUBSTANCE: invention relates to production of non-fired binders from wastes and by-products of various industries and can be used in making construction articles for air-wet and hydraulic hardening. Disclosed is a method of producing non-fired mineral binder, involving preliminary grinding of high-calcium flue ash of Berezovskaya SDPP, its preheating to 105-110 °C and hydration with water vapour at temperature of 105-150 °C, mixing with aluminosilicate active mineral additive, mixing with water. In addition, components from the group of gypsum, cement, electrolyte salts and plasticisers can be added to the binder.

EFFECT: improved strength characteristics of non-fired mineral binder due to preservation in active state of compounds having binding properties during hydration of CaO_fr contained in flue ash of Berezovskaya SDPP.

2 cl, 6 tbl

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RU 2 836 540 C1

Authors

Kulikov Boris Petrovich

Samoilo Aleksandr Sergeevich

Baksheeva Irina Igorevna

Plotnikova Alena Aleksandrovna

Dates

2025-03-17—Published

2024-09-20—Filed