METHOD AND APPARATUS FOR BACKWASH WASHING OF IONITE FILTERS Russian patent published in 1997 - IPC

Abstract RU 2085255 C1

FIELD: filtration technics. SUBSTANCE: after drainage of water cushion, filter charge is backwashed with ascending streams until impurities are washed out onto charge surface. Thereafter water is introduced through upper distribution device and is withdrawn through drainage hole. EFFECT: accelerated washing procedure. 2 cl, 1 dwg

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RU 2 085 255 C1

Authors

Podnos M.I.

Belova N.N.

Konovalov A.V.

Shajkhutdinova V.M.

Kojnov N.V.

Dates

1997-07-27—Published

1994-04-27—Filed