Process for the reclamation of process water from process wastew

Details Process for the reclamation of process water from process wastew Process for the reclamation of process water from process wastew

1997-05-01

1998-07-21

Hruskoci, Peter A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

23302T, 159 473, 203 10, 203 12, 203 48, 210639, 210652, 210694, 210710, 210712, 210718, 210725, 210727, 210748, 210774, 210806, 423551, 423553, C02F 104

Patent

active

057830843

ABSTRACT:
A process wastewater treatment plant, and a process relating thereto, which converts process wastewater generated in battery manufacturing and the like into clean process water and sodium sulfate salt by treating the process wastewater to remove impurities and contaminants, including debris, oil/grease, heavy metal oxides, lead and other heavy metals, suspended solids, bacteria, organic compounds, and/or gases, from the wastewater to produce a clean neutral sodium sulfate brine, subjecting the brine to heat to obtain distilled water and sodium sulfate salt, and purifying the distilled water by reverse osmosis for reuse as clear process water.

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patent: 4269810 (1981-05-01), Kolakowski
patent: 4652381 (1987-03-01), Inglis
patent: 5156706 (1992-10-01), Sephton
patent: 5205906 (1993-04-01), Grutsch et al.
patent: 5460730 (1995-10-01), Czerny et al.
patent: 5472622 (1995-12-01), Solomon et al.
patent: 5558775 (1996-09-01), Busch, Jr.

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