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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

Treatment of the Industrial Wastewater by Chemical Coagulation Followed by Biological Process

( Volume 5 Issue 7,July 2018 ) OPEN ACCESS
Author(s):

Sofyan Al-Dulaimi, Gabriel Racoviteanu

Abstract:

In this study the effect of the chemical treatment by Coagulation-Flocculation process followed by biological process by MBBR system on the industrial wastewater, generated from a local meat processing wastewater in Bucharest-Romania was evaluated.  Ferric chloride was applied on high and low strength effluents as a chemical coagulant at different doses using a bench-scale device (Jar-test apparatus); after that they were subjected to the biological treatment. Moving bed biofilm reactor (MBBR) with capacity of 13.7-liter was constructed and operated at a different organic load and at different hydraulic retention time (HRT). Results indicate that the chemical coagulation can be useful pre-treatment option for the meat processing effluents, in addition to that results indicted the overall treatment process is an effective treatment process to produce high effluents quality that can be re-used in several application.

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