Apparatus for treating waste water or solution

Details Apparatus for treating waste water or solution Apparatus for treating waste water or solution

1976-02-12

1978-03-21

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 52, 210259, 210 55, B01D 1300, B01D 500, B01D 1100

Patent

active

040802892

ABSTRACT:
A system is provided for separating waste water or solution into a permea solution and a concentrated solution by feeding the waste water or solution to a reverse osmosis apparatus using a membrane.
A chemical pretreating apparatus is provided to prevent hard scales contained in the waste water or solution from precipitation during the concentration in the reverse osmosis apparatus using the membrane. An apparatus for charging sponge balls is further provided to mechanically remove suspended solids and other suspended matters, that is, soft scales when deposited on the surface of membrane. The sponge balls are desirably recyclically used.

REFERENCES:
patent: 3677405 (1972-07-01), Keith, Jr.
patent: 3795317 (1974-03-01), Van Zun
patent: 3816276 (1974-06-01), Ichiki et al.
patent: 3819513 (1974-06-01), Ishii et al
patent: 3839206 (1974-10-01), Welch
patent: 3883431 (1975-05-01), Ishii et al.
patent: 3939070 (1976-02-01), Roth

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