Research Article

Optimization of operational parameters at laboratory scale membrane bioreactor for treatment of high-strength opium alkaloid wastewater: The effect of pretreatment

Volume: 42 Number: 2 June 30, 2021
EN

Optimization of operational parameters at laboratory scale membrane bioreactor for treatment of high-strength opium alkaloid wastewater: The effect of pretreatment

Abstract

Two different membrane treatment scenarios have been applied for treatment of the high strength dark color alkaloid industry wastewater. A membrane bioreactor (MBR) system having separately UF and MF membranes was operated with raw alkaloid wastewater treatment (scenario-A) and anaerobically pre-treated alkaloid wastewater (scenario-B). NF 270, NF 90 and RO (XLE) membranes were used as a polish-ing step at two different recovery ratios of 50% and 75% for both scenarios. In scenario-A, the COD re-moval efficiencies for MBR-MF and MBR-UF were found as 86±9% and 55±24%, respectively. At the polishing step, RO performance after scenario-A indicated that the 99.6% COD and complete color remov-al was achieved. On the other hand, in the scenario-B, the COD removal efficiencies for MBR-MF and MBR-UF were found as 41±16.4% and 24±18.3%, respectively. RO experiments with raw wastewater indi-cated that the 99.6% COD and complete color removal were achieved. The most crucial problem during direct MBR operation was found as a foaming problem and prevented by anti-foaming agent which caused an increase in effluent COD concentration and chemical cost. For these reasons, it can be concluded that MBR operation with anaerobically pre-treated was more effective than the other scenario.

Keywords

Supporting Institution

Toprak Mahsulleri ofisi (TMO)

Project Number

5138601

Thanks

TMO yetkili ve çalışanlarına maddi ve manevi destekleri için teşekkürü bir borç biliriz.

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Publication Date

June 30, 2021

Submission Date

October 5, 2020

Acceptance Date

April 8, 2021

Published in Issue

Year 2021 Volume: 42 Number: 2

APA
Çelen-erdem, İ., Ürper, G., Köseoğlu, D., Koyuncu, İ., & Öztürk, İ. (2021). Optimization of operational parameters at laboratory scale membrane bioreactor for treatment of high-strength opium alkaloid wastewater: The effect of pretreatment. Cumhuriyet Science Journal, 42(2), 452-464. https://doi.org/10.17776/csj.768180

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