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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.8
- 수록면
- 194 - 202 (9page)
이용수
초록· 키워드
오류제보하기
The wastewater generated in methylcellulose (MC) production is characterized by high salinity and pH due to the residual sodium and chlorine separated from the methyl group. It is difficult to treat wastewater using the conventional activated sludge method because the high concentration of salt interferes with the microbial activity. This study confirms the biological removal of organic matter from MC wastewater using sludge dominated by Halomonas spp., a halophilic microorganism. The influent was mixed with MC wastewater and epichlorohydrin (ECH) wastewater in a 1:9 ratio and operated using a sequencing batch reactor with a hydraulic retention time of 27.8 d based on the MC wastewater. The removal efficiency of chemical oxygen demand (COD) increased from 80.4% to 93.5%, and removal efficiency had improved by adding nutrients such as nitrogen and phosphorus to the wastewater. In terms of microbial community change, Halomonas spp. decreased from 43.26% to 0.11%, whereas Marinobacter spp. and Methylophaga spp. increased from 0.50% to 15.12% and 7.51%, respectively.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (72)
참고문헌 신청
Hirrien M, Desbrières J, Rinaudo M. Physical properties of methylcelluloses in relation with the conditions for cellulose modification. Carbohydr. Polym. 1996;31:243-252.
Dicastillo CL, Bustos F, Guarda A, Galotto MJ. Cross-linked methyl cellulose films with murta fruit extract for antioxidant and antimicrobial active food packaging. Food Hydrocoll. 2016;60:335-344.
Lee JY. Relationship between rheological behavior and electrospinnability of methylcellulose and its application for enzyme immobilization [dissertation]. Seoul: Seoul National University; 2016.
Kamitakahara H, Nakatsubo F, Klemm D. Block co-oligomers of tri-O-methylated and unmodified cello-oligosaccharides as model compounds for methylcellulose and its dissolution/gelation behavior. Cellulose 2006;13:375-392.
Kamitakahara H, Nakatsubo F, Klemm D. New class of carbohydrate-based nonionic surfactants: diblock co-oligomers of tri-O-methylated and unmodified cello-oligosaccharides. Cellulose 2007;14:513-528.
Dicastillo CL, Bustos F, Guarda A, Galotto MJ. Cross-linked methyl cellulose films with murta fruit extract for antioxidant and antimicrobial active food packaging. Food Hydrocoll. 2016;60:335-344.
Lee JY. Relationship between rheological behavior and electrospinnability of methylcellulose and its application for enzyme immobilization [dissertation]. Seoul: Seoul National University; 2016.
Kamitakahara H, Nakatsubo F, Klemm D. Block co-oligomers of tri-O-methylated and unmodified cello-oligosaccharides as model compounds for methylcellulose and its dissolution/gelation behavior. Cellulose 2006;13:375-392.
Kamitakahara H, Nakatsubo F, Klemm D. New class of carbohydrate-based nonionic surfactants: diblock co-oligomers of tri-O-methylated and unmodified cello-oligosaccharides. Cellulose 2007;14:513-528.
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