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Enhanced bioremoval of refractory compounds from dyeing wastewater using optimized sequential anaerobic/aerobic process
Bae W1; Han D1; Kim E1; de Toledo RA2; Kwon K1; Shim H2
2016-07
Source PublicationInternational Journal of Environmental Science and Technology
ISSN1735-1472
Volume13Issue:7Pages:1675-1684
Abstract

The upflow anaerobic sludge blanket process followed by the biological aerated filter process was employed to improve the removal of color and recalcitrant compounds from real dyeing wastewater. The highest removal efficiency for color was observed in the anaerobic process, at 8-h hydraulic retention time, seeded with the sludge granule. In the subsequent aerobic process packed with the microbe-immobilized polyethylene glycol media, the removal efficiency for chemical oxygen demand increased significantly to 75 %, regardless of the empty bed contact time. The average influent non-biodegradable soluble chemical oxygen demand was 517 mg/L, and the average concentration in effluent from the anaerobic reactor was 363 mg/L, suggesting the removal of some recalcitrant matters together with the degradable ones. The average non-biodegradable soluble chemical oxygen demand in effluent from the aerobic reactor was 87, 93, and 118 mg/L, with the removal efficiency of 76, 74, and 67 %, at 24-, 12-, and 8-h empty bed contact time, respectively. The combined anaerobic sludge blanket and aerobic cell-entrapped process was effective to remove the refractory compounds from real dyeing wastewater as well as in reducing organic loading to meet the effluent discharge limits. This integrated process is considered an effective and economical treatment technology for dyeing wastewater.

KeywordBiological Aerated Filter Color Removal Microbial Immobilization Recalcitrant Compounds Removal Upflow Anaerobic Sludge Blanket
DOI10.1007/s13762-016-0999-y
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000377680400005
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorShim H
Affiliation1.Hanyang Univ, Dept Civil & Environm Engn, Sa 1 Dong, Ansan 425791, Gyunggi Do, South Korea
2.Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Ave Univ, Taipa, Macau Sar, Peoples R China
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Bae W,Han D,Kim E,et al. Enhanced bioremoval of refractory compounds from dyeing wastewater using optimized sequential anaerobic/aerobic process[J]. International Journal of Environmental Science and Technology,2016,13(7):1675-1684.
APA Bae W,Han D,Kim E,de Toledo RA,Kwon K,&Shim H.(2016).Enhanced bioremoval of refractory compounds from dyeing wastewater using optimized sequential anaerobic/aerobic process.International Journal of Environmental Science and Technology,13(7),1675-1684.
MLA Bae W,et al."Enhanced bioremoval of refractory compounds from dyeing wastewater using optimized sequential anaerobic/aerobic process".International Journal of Environmental Science and Technology 13.7(2016):1675-1684.
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