Methods employing a zirconium salt for use in wastewater treatme

Details Methods employing a zirconium salt for use in wastewater treatme Methods employing a zirconium salt for use in wastewater treatme

1991-06-04

1993-08-10

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210720, 210724, 210723, 210738, 210912, 210913, 252631, C02F 152

Patent

active

052346030

ABSTRACT:
A method and composition for treating wastewater streams is provided. The composition includes a zirconium salt and preferably a zirconium carbonate. In addition to the zirconium salt; a ferrate, a reducing agent, a weighting agent and an anionic coagulating agent can also be employed. The method includes the steps of adjusting the pH of a wastewater stream to between about pH 6.5 and about pH 14, adding the composition, precipitating contaminants from the wastewater stream and separating a solution having a reduced contaminants content therefrom.

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"Atomic Absorption Spectrophotometric Determination of Chromium, Iron, and Manganese in Sea Water by the Zironcium Hydroxice Co-Precipitation Method" by Eiko Singubara.

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