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UDC 628.161.2

Raff P. A., Seliukov Aleksandr

Desiliconization of ground water at the deironing-demanganization facilities

Summary

The results of investigating the technology of desiliconization of ground water typical for the Tyumen North are presented. It was found that efficient elimination of siliceous, ferriferous and manganese compounds is ensured in the process of water treatment with potassium permanganate in alkalescent environment with subsequent coagulation with AQUA-AURAT™30 polyoxychloride. However, the dosage of coagulant required to provide for the permissible silicon concentration is relatively high. Therefore, additional clarification means (e.g. two-stage filtration) shall be retrofitted into the process flow scheme. Residual aluminium concentration in filtrate did not exceed Maximum Permissible Concentration (MPC).

Key words

coagulant , potassium permanganate , alkalizing reagent , cold low-mineralized ground water , desiliconization , deironing-demanganization

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