Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-07-25
1979-01-09
Gantz, Delbert E.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
252430, 252428, 252184, C02B 142, B01J 3102, C09K 300
Patent
active
041337557
ABSTRACT:
As an agent for removing heavy metals such as mercury from waste waters containing the same, a composition and granule based on the composition are provided. Also a method for preparing the granule is provided. The composition consists mainly of a dithiocarbamate bond-containing low molecular weight compound, amorphous silica and active carbon powder. The granule consists mainly of said composition and a vinyl acetate polymer resin as a binder. The method is carried out by kneading and extruding the composition of the granule together with a clay as an excipient. Treated water through said agent can pass the current very severe effluent standards.
Hayashi Masaki
Kaku Kanji
Nakamura Takao
Ohishi Shigeo
Tarao Ryohkichi
Chisso Corporation
Gantz Delbert E.
Philpitt Fred
Wright William G.
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