Advanced treatment of acrylic fiber manufacturing wastewater with a combined microbubble-ozonation/ultraviolet irradiation process

Handle URI:
http://hdl.handle.net/10754/594266
Title:
Advanced treatment of acrylic fiber manufacturing wastewater with a combined microbubble-ozonation/ultraviolet irradiation process
Authors:
Zheng, Tianlong; Zhang, Tao; Wang, Qunhui; Tian, Yanli; Shi, Zhining; Smale, Nicholas; Xu, Banghua
Abstract:
This work investigated the effectiveness of a combination of microbubble-ozonation and ultraviolet (UV) irradiation for the treatment of secondary wastewater effluent of a wet-spun acrylic fiber manufacturing plant. Under reactor condition (ozone dosage of 48 mg L-1, UV fluence rate of 90 mW cm-2, initial pH of 8.0, and reaction time of 120 min), the biodegradability (represented as BOD5/CODcr) of the wastewater improved from 0.18 to 0.47. This improvement in biodegradability is related to the degradation of alkanes, aromatic compounds, and other bio-refractory organic compounds. The combination of microbubble-ozonation and UV irradiation synergistically improved treatment efficiencies by 228%, 29%, and 142% for CODcr, UV254 removal and BOD5/CODcr respectively after 120 min reaction time, as compared with the sum efficiency of microbubble-ozonation alone and UV irradiation alone. Hydroxyl radical production in the microbubble-ozonation/UV process was about 1.8 times higher than the sum production in microbubble-ozonation alone and UV irradiation alone. The ozone decomposition rate in the combined process was about 4.1 times higher than that in microbubble-ozonation alone. The microbubble-ozonation/UV process could be a promising technique for the treatment of bio-refractory organics in the acrylic fiber manufacturing industry. © 2015 Royal Society of Chemistry.
KAUST Department:
Water Desalination and Reuse Research Center (WDRC)
Citation:
Zheng T, Zhang T, Wang Q, Tian Y, Shi Z, et al. (2015) Advanced treatment of acrylic fiber manufacturing wastewater with a combined microbubble-ozonation/ultraviolet irradiation process. RSC Adv 5: 77601–77609. Available: http://dx.doi.org/10.1039/c5ra14575a.
Publisher:
Royal Society of Chemistry (RSC)
Journal:
RSC Adv.
Issue Date:
2015
DOI:
10.1039/c5ra14575a
Type:
Article
ISSN:
2046-2069
Appears in Collections:
Articles; Water Desalination and Reuse Research Center (WDRC)

Full metadata record

DC FieldValue Language
dc.contributor.authorZheng, Tianlongen
dc.contributor.authorZhang, Taoen
dc.contributor.authorWang, Qunhuien
dc.contributor.authorTian, Yanlien
dc.contributor.authorShi, Zhiningen
dc.contributor.authorSmale, Nicholasen
dc.contributor.authorXu, Banghuaen
dc.date.accessioned2016-01-19T14:44:44Zen
dc.date.available2016-01-19T14:44:44Zen
dc.date.issued2015en
dc.identifier.citationZheng T, Zhang T, Wang Q, Tian Y, Shi Z, et al. (2015) Advanced treatment of acrylic fiber manufacturing wastewater with a combined microbubble-ozonation/ultraviolet irradiation process. RSC Adv 5: 77601–77609. Available: http://dx.doi.org/10.1039/c5ra14575a.en
dc.identifier.issn2046-2069en
dc.identifier.doi10.1039/c5ra14575aen
dc.identifier.urihttp://hdl.handle.net/10754/594266en
dc.description.abstractThis work investigated the effectiveness of a combination of microbubble-ozonation and ultraviolet (UV) irradiation for the treatment of secondary wastewater effluent of a wet-spun acrylic fiber manufacturing plant. Under reactor condition (ozone dosage of 48 mg L-1, UV fluence rate of 90 mW cm-2, initial pH of 8.0, and reaction time of 120 min), the biodegradability (represented as BOD5/CODcr) of the wastewater improved from 0.18 to 0.47. This improvement in biodegradability is related to the degradation of alkanes, aromatic compounds, and other bio-refractory organic compounds. The combination of microbubble-ozonation and UV irradiation synergistically improved treatment efficiencies by 228%, 29%, and 142% for CODcr, UV254 removal and BOD5/CODcr respectively after 120 min reaction time, as compared with the sum efficiency of microbubble-ozonation alone and UV irradiation alone. Hydroxyl radical production in the microbubble-ozonation/UV process was about 1.8 times higher than the sum production in microbubble-ozonation alone and UV irradiation alone. The ozone decomposition rate in the combined process was about 4.1 times higher than that in microbubble-ozonation alone. The microbubble-ozonation/UV process could be a promising technique for the treatment of bio-refractory organics in the acrylic fiber manufacturing industry. © 2015 Royal Society of Chemistry.en
dc.publisherRoyal Society of Chemistry (RSC)en
dc.titleAdvanced treatment of acrylic fiber manufacturing wastewater with a combined microbubble-ozonation/ultraviolet irradiation processen
dc.typeArticleen
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)en
dc.identifier.journalRSC Adv.en
dc.contributor.institutionDepartment of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing, Haidian District, Chinaen
dc.contributor.institutionBeijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing, Haidian District, Chinaen
dc.contributor.institutionSchool of Earth and Environmental Sciences, University of AdelaideSA, Australiaen
dc.contributor.institutionBionics InstituteVIC, Australiaen
kaust.authorZhang, Taoen
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