Removal of Zinc by Adsorbing Colloid Foam Flotation: Pilot Plant Study
- 1 April 1982
- journal article
- research article
- Published by Taylor & Francis in Separation Science and Technology
- Vol. 17 (5) , 673-682
- https://doi.org/10.1080/01496398208068559
Abstract
Zn was removed from simulated industrial industrial wastewater in a pilot scale foam flotation plant. Sodium lauryl sulfate was used as the carrier surfactant and A1(OH)3 was preferable to Fe(OH)3 as the adsorbing floc. Optimum pH was 7.5-7.8, at which effluent Zn concentrations < 1 mg/l were easily achieved. The effects of varying the hydraulic loading rate, the surfactant concentration, A1(III) concentration and ionic strength were studied. Surfactant was displaced from the sludge in the collapsed foamate by addition of sodium carbonate.This publication has 5 references indexed in Scilit:
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