Treatment of Aqueous Effluents from Steel Manufacturing with High Thiocyanate Concentration by Reverse Osmosis

The feasibility of reverse osmosis (RO) for treating coking wastewaters from a steel manufacturing plant, rich in ammonium thiocyanate was assessed. DOW FILMTEC<sup>TM</sup> SW30 membrane performance with synthetic and real thiocyanate-containing solutions was established at the laborato...

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Bibliographic Details
Main Authors: José R. Álvarez, F. Enrique Antón, Sonia Álvarez-García, Susana Luque
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Membranes
Subjects:
Online Access:https://www.mdpi.com/2077-0375/10/12/437
Description
Summary:The feasibility of reverse osmosis (RO) for treating coking wastewaters from a steel manufacturing plant, rich in ammonium thiocyanate was assessed. DOW FILMTEC<sup>TM</sup> SW30 membrane performance with synthetic and real thiocyanate-containing solutions was established at the laboratory and (onsite) pilot plant scale. No short-term fouling was observed, and the data followed the known solution-diffusion model and the film theory. Those models, together with non-steady state mass balances, were used in simulations that aided to design a full scale two-stage RO plant for thiocyanate separation.
ISSN:2077-0375