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Bioresour Technol


Title:Feasibility of using a microalgal-bacterial consortium for treatment of toxic coke wastewater with concomitant production of microbial lipids
Author(s):Ryu BG; Kim J; Han JI; Yang JW;
Address:"Freshwater Bioresources Utilization Bureau, Nakdonggang National Institute of Biological Resources, 137, Donam 2-gil, Sangju-si, Gyeongsangbuk-do 37242, Republic of Korea. Electronic address: tesia@nnibr.re.kr. Future Environmental Research Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea; Human and Environmental Toxicology Program, Korea University of Science and Technology, Daejoen 34113, Republic of Korea. Department of Civil and Environmental Engineering, KAIST, 291 Daehakno, Yuseong-gu, Daejeon 305-701, Republic of Korea. Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehakno, Yuseong-gu, Daejeon 305-701, Republic of Korea; Advanced Biomass R&D Center, KAIST, 291 Daehakno, Yuseong-gu, Daejeon 305-701, Republic of Korea"
Journal Title:Bioresour Technol
Year:2017
Volume:20161109
Issue:
Page Number:58 - 66
DOI: 10.1016/j.biortech.2016.11.029
ISSN/ISBN:1873-2976 (Electronic) 0960-8524 (Linking)
Abstract:"This study examined the feasibility of using an algal-bacterial process for removal of phenol and NH(4)(+)-N from differently diluted coke wastewater with simultaneous production of biomass. Under illumination, microalgal-bacterial (MSB) cultures performed complete phenol degradation at all dilutions of coke wastewater while sole microalgal culture (MSA) degraded a maximum of 27.3% of phenol (initial concentration: 24.0mgL(-1)) from 5-fold diluted wastewater. Furthermore, the MSB culture had the highest rate of NH(4)(+)-N removal (8.3mgL(-1)d(-1)) and fatty acid production (20mgL(-1)d(-1)) which were 2.3- and 1.5-fold higher than those observed in the MSA cultures, probably due to decreases in toxic organic pollutants. Multivariate analyses indicated that co-cultivation of activated sludge was directly correlated with the elevated removals of phenol and NH(4)(+)-N. In the presence of sludge, adequate dilution of the coke wastewater can maximize the effect of bacteria on NH(4)(+)-N removal and biomass production"
Keywords:"Ammonium Compounds/isolation & purification Bacteria/growth & development/*metabolism Biodegradation, Environmental Biological Oxygen Demand Analysis Biomass Chlorophyll/metabolism Chlorophyll A Coke/*analysis Esters/analysis Fatty Acids/metabolism Feasib;"
Notes:"MedlineRyu, Byung-Gon Kim, Jungmin Han, Jong-In Yang, Ji-Won eng England 2016/11/25 Bioresour Technol. 2017 Feb; 225:58-66. doi: 10.1016/j.biortech.2016.11.029. Epub 2016 Nov 9"

 
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