Application In Synthesis of Aluminum(III) sulfate xhydrate. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Aluminum(III) sulfate xhydrate, is researched, Molecular Al2H8O13S3, CAS is 17927-65-0, about Increase in the hydration activity and improvement in the structural-engineering properties of slag portland cement. Author is Syrkin, Ya. M.; Shokotova, B. G.; Engorn, T. I.; Tokar, V. A.; Zubik, M. I..
The sulfate-aluminate-silicate product, obtained as a tailing in the production of Al sulfate from kaolin clays, is used as an hardening accelerator for slag portland cement. The tailings consist of amorphous SiO2, metakaolinite [15123-81-6], Al2(SO4)3.nH2O, NaAl(SO4)2.12H2O, gypsum [13397-24-5], anhydrite [14798-04-0], and some Fe and Mg sulfates. Initial and final setting times and compressive and tensile strengths are determined of slag portland cements with 1 and 3% of these tailings and those with 1% coke dust. These additives increase the hydration activity of the slag portland cement and its frost resistance and decrease the shrinkage deformation.
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