Tag:polydiallyldimethylammonium chloride



DOI 10.35776/VST.2022.10.04
UDC 544.77.052.22

Burganov Renat, Khasanova D. I., Gil’mutdinova Gul’fiia, Кирилова М. А., Kovrizhnykh E. A.

Studying and selecting effective flocculants for the purification of the Kama River water


Using the Kama River water as an example, the advantage of using flocculants of various ionic activity in combination with a coagulant based on polyaluminum chloride is shown. The results of studies of the main physical and chemical indicators are presented that better characterize the specific features of the coagulation of the Kama River water. Under the experimental conditions all tested flocculants were comparable as for the effectiveness to the flocculant based on polydiallyldimethylammonium chloride currently used at the water unit of Nizhnekamskneftekhim PJSC. In the process of water clarification using a flocculant (sample No. 1) was proposed with a dose of 1–3 mg/dm3. It was shown that the combined use of polyaluminum chloride and the flocculant (sample No. 1) was more effective for extracting aluminum ions from water. The method of river water coagulation with the use of the flocculant (sample No. 1) differs from the existing one in higher cost-effectiveness and 50–60% reduction the of the chemical consumption.

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