Development of an integrated anaerobic/aerobic bioreactor for biodegradation of recalcitrant azo dye and bioenergy recovery: HRT effects and functional resilience

被引：0

作者：

Gadow S.I. ^{[1
]}

Li Y.-Y. ^{[2
]}

机构：

[1] Department of Agricultural Microbiology, Agriculture and Biology Research Division, National Research Centre, 33 EI Buhouth St., Dokki, Cairo

[2] Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Miyagi

来源：

Gadow, Samir I. (sami02gw@hotmail.com) | 1600年 / Elsevier Ltd卷 / 09期

关键词：

Anaerobic-aerobic treatment; Recalcitrant textile dye; Bioenergy recovery; Functional resilience; HRT effect;

D O I：

10.1016/j.biteb.2020.100388

中图分类号：

学科分类号：

摘要：

The efficacy of combined continuous anaerobic-aerobic systems to treat 2-Naphthol Red dye-containing industrial wastewater was investigated. A laboratory-scale of upflow anaerobic sludge bed (UASB) followed by an aerobic process was conducted at a hydraulic residence time (HRT) of 24, 12, 6, and 3 h. The integrated systems showed high performance on the COD removal and decolorization under an HRT of 6 h. The maximum chemical oxygen demand (COD) degradation reached 85.6% and 92.4% in the UASB and the aerobic reactor at organic loading rates (OLR) of 12.97 g COD L− 1 d− 1, respectively with 98.4% colour removal. At 3 h HRT, the performance of the UASB reactor was deteriorated sharply, however it showed high resistance and rapidly full functions were recovered after stress removal. The maximum methane yield reached 13.3 mmol CH4 g COD− 1 d− 1 at HRT 6 h and the proposed systems and operating conditions could be extended to full-scale applications. © 2020 Elsevier Ltd

引用

共 2 条

[1] Integrated anaerobic/aerobic EGSB bioreactor for azo dye degradation
Tan, NCG
Opsteeg, JL
Lettinga, G
Field, JA
BIOREMEDIATION OF NITROAROMATIC AND HALOAROMATIC COMPOUNDS, 1999, : 253 - 258
[2] Evaluation of integrated anaerobic/aerobic fixed-bed sequencing batch biofilm reactor for decolorization and biodegradation of azo dye Acid Red 18: Comparison of using two types of packing media
Koupaie, E. Hosseini
Moghaddam, M. R. Alavi
Hashemi, S. H.
BIORESOURCE TECHNOLOGY, 2013, 127 : 415 - 421

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