Owing to high levels of residual antibiotics, antibiotic manufacturing waste is hazardous to the environment. As a result, such wastes are usually treated by expensive incineration. The high organic content of antibiotic manufacturing biowaste suggests its feasibility for anaerobic treatment, but the presence of ammonia and antibiotics in the waste may be inhibitory factors. After evaluating the peak concentrations of volatile fatty acids (VFAs), ammonia and lincomycin in 10 d bio-liquefaction, different methods for the removal of ammonia from hydrolysate and removal of lincomycin from biowaste were employed to relieve ammonia and lincomycin inhibition respectively. Prior to ammonia elimination on the tenth day, 38.0% of the organic carbon was degraded into hydrolysate. Water replacement, struvite precipitation and nitrogen stripping removed 100, 76 and 30% of the ammonia, respectively. The hydrolysate obtained from the water replacement could be immediately utilized for liquefaction. Lincomycin elution through butanol and water prior to liquefaction removed a large amount of carbohydrate and protein, resulting in poor liquefaction efficiency. The residual lincomycin in the bio-liquefaction process could be co-treated with lincomycin manufacturing wastewater, which made it suitable for the treatment of lincomycin manufacturing biowaste.
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Research Article|
June 01 2012
Evaluation of inhibition relief operations for mesophilic anaerobic bio-liquefaction of lincomycin manufacturing biowaste
Duo Wu;
Duo Wu
1Institute of Waste Treatment and Reclamation, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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Han Gao;
Han Gao
1Institute of Waste Treatment and Reclamation, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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Fan Lü;
Fan Lü
1Institute of Waste Treatment and Reclamation, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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Liming Shao;
Liming Shao
1Institute of Waste Treatment and Reclamation, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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Simin Luo;
Simin Luo
1Institute of Waste Treatment and Reclamation, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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Peiqing Xia;
Peiqing Xia
1Institute of Waste Treatment and Reclamation, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
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Pinjing He
1Institute of Waste Treatment and Reclamation, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
E-mail: solidwaste@tongji.edu.cn
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Water Sci Technol (2012) 65 (12): 2200–2205.
Article history
Received:
August 31 2011
Accepted:
February 06 2012
Citation
Duo Wu, Han Gao, Fan Lü, Liming Shao, Simin Luo, Peiqing Xia, Pinjing He; Evaluation of inhibition relief operations for mesophilic anaerobic bio-liquefaction of lincomycin manufacturing biowaste. Water Sci Technol 1 June 2012; 65 (12): 2200–2205. doi: https://doi.org/10.2166/wst.2012.138
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