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Aluminum sulfide or aluminium sulphide is a chemical compound with the formula Al₂S₃. This colorless species has an interesting structural chemistry, existing in several forms. The material is sensitive to moisture, hydrolyzing to hydrated aluminium oxides/hydroxides. This can begin when the sulfide is exposed to the atmosphere. The hydrolysis reaction generates gaseous hydrogen sulfide (H₂S).
Aluminum sulfate type liquid accelerator and preparation method thereof
According to the aluminum sulfate type liquid accelerator and the preparation method thereof, the modified liquid aluminum sulfate added into the accelerator can rapidly react with cement clinker minerals and water to generate a large amount of ettringite-like substances, the ettringite-like substances are mutually overlapped to form a network, a hardened network structure is formed, meanwhile, a large amount of water is consumed, and the water content is reduced; rapid setting and hardening of the cement paste are promoted; the added aluminum fluoride can enable the slurry to be quickly coagulated and can also prevent the cement from being hydrated at an early stage; the added low-temperature-resistant additive is aluminum oxide composite silicon dioxide aerogel, a basic framework for accommodating dopants is provided, the influence of aluminum fluoride and modified aluminum sulfide on the growth of ettringite is added, water can be further consumed, slurry condensation is accelerated, and the influence on the condensation time of the low-temperature-resistant additive in a low-temperature environment is not large.
Owner:SHAOXING SHENGYANG WATER TREATMENT AGENT CO LTD