Title: Frame filter press and apparatus

Abstract: Apparatus for removing metallic and acidic contaminants from a pickling liquor comprising first and second cells for initially receiving water, a third cell interposed between said first and second cells for receiving said pickle liquor, permeable membrane means separating said third cell from said first and second cells and which permits transfer therethrough of said metal ions and acid cations, an anode mounted in said first cell, and a cathode mounted in said second cell whereby when a D. C. current is passed between said anode and cathode a metallic complex is formed at said cathode, a purified acid is formed at said anode and purified pickle liquor is left in said center cell.

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Inventors: Eddleman, William L. (Houston, TX, US)

Application Number: 908405
Filing Date: 1978-05-22
Publication_date: 1979-04-17
Assignee:
Primary Class(es): 204/257 204/252, 204/253
Other Classes:
US Patent Ref:

1954664	Apr, 1934	Cain	204/93.
2865823	Dec, 1958	Harris et al.	204/151.
3124520	Mar, 1964	Juda	204/151.
3481851	Dec, 1969	Lancy	204/180.
3944477	Mar, 1976	Areade	204/296.

Other Refs: 1081046

Aug, 1967	GB

Primary Examiner: Prescott, Arthur C.
Assistant Examiner:
Attorney: Sigalos & Levine