Process for separating silicic compounds from cleaning baths and

Details Process for separating silicic compounds from cleaning baths and Process for separating silicic compounds from cleaning baths and

1993-03-11

1994-03-22

Straub, Gary P.

Chemistry: physical processes

Physical processes

Crystallization

134 41, 210803, 423349, 423DIG1, B01D 902

Patent

active

052960013

ABSTRACT:
The subject of the invention is a process for separating silicic compounds from baths for cleaning steel substrates containing iron ions and silicic compounds, consisting of the following stages:

REFERENCES:
patent: 4184955 (1980-01-01), Arvanitakis
patent: 4614598 (1986-09-01), Zettier et al.
patent: 4636317 (1987-01-01), Lewis
patent: 4889697 (1989-12-01), Fukushima et al.
patent: 5032369 (1991-07-01), Kondo et al.
Hidenobu Kondo, "Method for Removing Silicon Content in Hydrochloric Acid Pickled Waste Liquid . . . ", Patent Abstract of Japan, Oct. 1988 vol. 12, No. 405.
Hidenobu Kondo, "Removal of Silicon Component from Hydrochloric Acid Pickling Waste Liquid of Steel Material . . . " Patent Abstract of Japan, Feb. 1989, vol. 13, No. 49.
Yasutaka Tejima, "Process for Preparation of Iron Oxide from Hydrochloric Acid Pickling Waste Solution . . . " Patent Abstract of Japan, Oct. 1984, vol. 8, No. 225.

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