Purification of wastewater of some construction materials production

The wastewater of the wood-based industry contains toxic phenols that exceed the maximum allowable values. There is little data on the methods of purification of wastewater of woodworking plants from aromatic compounds and their derivatives in the literature. Therefore, the authors investigated the...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-12, Vol.687 (6), p.66073
Main Authors: Mazitova, A K, Aminova, A F, Sukhareva, I A
Format: Article
Language:English
Subjects:
Aromatic compounds
Coagulation
Construction materials
Flocculation
Ozone
Phenols
Plywood
Purification
Reagents
Wastewater treatment
Water treatment
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Summary:The wastewater of the wood-based industry contains toxic phenols that exceed the maximum allowable values. There is little data on the methods of purification of wastewater of woodworking plants from aromatic compounds and their derivatives in the literature. Therefore, the authors investigated the different effect of ozone on the wastewater of the Ufa plywood-slab plant for the purpose of purification. The flocculating effect of ozone and the physicochemical method (coagulation and flocculation) of wastewater treatment were investigated. The use of ozone in the first stage of wastewater treatment allows reducing the concentration of suspended substances to the required level with the help of an environmentally friendly method and preparing wastewater for oxidative purification from toxic substances. The suggested method is not only more environmentally acceptable, but also more economically reasonable, because reagent acquisition costs are excluded.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/687/6/066073