The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Aluminum(III) sulfate xhydrate( cas:17927-65-0 ) is researched.Category: isothiazole.Rigobello, Eliane Sloboda; Dantas, Angela Di Bernardo; Di Bernardo, Luiz; Vieira, Eny Maria published the article 《Influence of the apparent molecular size of aquatic humic substances on color removal by coagulation and filtration》 about this compound( cas:17927-65-0 ) in Environmental Technology. Keywords: humic substance mol size influence coagulation filtration removing color. Let’s learn more about this compound (cas:17927-65-0).
This study aims to verify the influence of the apparent mol. size of aquatic humic substances (AHSs) on the effectiveness of coagulation with Al sulfate and ferric chloride. Coagulation-filtration tests using the jar test and bench-scale sand filters were carried out with H2O samples having a true color of ∼100 Hazen units and prepared with AHSs of different mol. sizes. Stability diagrams are presented showing regions of ≥ 90% and ≥ 95% apparent color removal delineated for each H2O sample using plots of total metal ion concentration (Al3+ and Fe3+) vs. coagulation pH. To achieve the same degree of color removal, the H2O samples with smaller apparent mol. sizes and a higher percentage of fulvic acids required higher dosages of both Al sulfate and ferric chloride.
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Reference:
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com