生物脱硫在沼气净化中的研究进展
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摘要
沼气中硫化氢的脱除是使沼气成为高效清洁能源的重要步骤。目前较成熟的干法脱硫和湿法脱硫已经得到了广泛的应用,而生物脱硫则是一种新兴的脱硫方法。介绍了脱硫细菌的分类和生物脱硫反应器的类型,并总结了生物脱硫技术的国内外研究进展。生物脱硫是在一定条件下通过微生物的代谢作用将硫化氢转化为单质硫,既解决了二次污染的问题又回收了硫资源。生物脱硫在沼气净化中的应用前景十分广阔。
The removal of hydrogen sulfide in biogas was an important step to make biogas become an efficient and clean energy. At present,the more mature dry desulfurization and wet desulfurization have been widely used,while biological desulfurization is a new technology. The classification of desulfurization bacteria and types of biological desulfurization reactors were introduced. And the research progress of biological desulfurization technology at home and abroad was summarized. Under certain conditions,hydrogen sulfide was converted into elemental sulfur by microbial metabolism,which not only solved the problem of secondary pollution but also recovered sulfur resources. The application prospect of biological desulfurization in biogas purification is very broad.
The removal of hydrogen sulfide in biogas was an important step to make biogas become an efficient and clean energy. At present,the more mature dry desulfurization and wet desulfurization have been widely used,while biological desulfurization is a new technology. The classification of desulfurization bacteria and types of biological desulfurization reactors were introduced. And the research progress of biological desulfurization technology at home and abroad was summarized. Under certain conditions,hydrogen sulfide was converted into elemental sulfur by microbial metabolism,which not only solved the problem of secondary pollution but also recovered sulfur resources. The application prospect of biological desulfurization in biogas purification is very broad.
引文
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[6]王钢,王欣,高德玉,等.沼气生物脱硫技术研究[J].应用能源技术,2008(5):33-35.
[7]王钢,王欣,刘伟.沼气脱硫技术研究[J].化学工程师,2008(1):32-35.
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[12]李军,张文文,王立军,等.硫自养反硝化同步脱氮除硫启动试验[J].沈阳建筑大学学报,2010,21(1):162-165.
[13]Fortuny M,Baeza J A,Gamisans X,et al. Biological sweetening of energy gases mimics in biotrickling flters[J]. Chemosphere,2008,71:10-17.
[14]Díaz I,Lopes A C,Pérez S I,et al. Determination of the optimal rate for the microaerobic treatment of several H2S concentrations in biogas from sludge digesters[J]. Water Sci Technol,2011,64(1):233-238.
[15]Sorokin D Y,van den Bosch P L F,Abbas B,et al. Microbiological analysis of the population of extremely haloalkaliphilic sulfur-oxidizing bacteria dominating in lab-scale sulfide-removing bioreactors[J]. Appl Microbiol Biotechnol,2008,80:965-975.
[16]Montebelloa A M,Baezab M,Lafuentea J,et al. Monitoring and performance of a desulphurizing biotrickling flter with an integrated continuous gas/liquid flow analyser[J]. Chem Eng J,2010,165:500-507.
[17]van der Zee F P,Villaverde S,Garc覦a P A,et al. Sulfde removal by moderate oxygenation of anaerobic sludge environments[J].Bioresour Technol,2007,98:518-524.
[2]Bauer A,Moeller L,Wedwitschka H,et al. Anaerobic digestion of mixed silage of waterweed biomass and wheat straw in a longterm semi-continuous biogas production process[J]. Energy Sustain Soc,2018,8(1):1-7.
[3]Sadh P K,Duhan S,Duhan J S. Agro-industrial wastes and their utilization using solid state fermentation:A review[J]. Bioresour Bioprocess,2018,5(1):1-15.
[4]Ai S,Liu H,Wu M,et al. Roles of acid-producing bacteria in anaerobic digestion of waste activated sludge[J]. Frontiers Environ Sci Eng,2018,12(6):1-11.
[5]李金洋,敖永华,刘庆玉.沼气脱硫方法的研究[J].农机化研究,2008(8):228-230.
[6]王钢,王欣,高德玉,等.沼气生物脱硫技术研究[J].应用能源技术,2008(5):33-35.
[7]王钢,王欣,刘伟.沼气脱硫技术研究[J].化学工程师,2008(1):32-35.
[8]Harley J P,Prescott L M. Laboratory exercises in microbiology[M]. 5th edition. New York:McCraw-Hill Companies,2010.
[9]蔡靖,郑平,胡宝兰,等.硫氮比对厌氧生物同步脱氮除硫工艺性能的影响[J].环境科学学报,2008,28(8):1506-1513.
[10]Amirfakhri J,Vossoughi M,Soltanieh M,et al. Assessment of desulfurization of natural gas by chemoautotrophic bacteria in an anaerobic baffed reactor(ABR)[J]. Chem Eng Process,2006,45:232-237.
[11]Mahmood Q,Zheng P,Cai J,et al. Anoxic sulfide biooxidation using nitrite as electron acceptor[J]. J Hazard Mater,2007,147:249-256.
[12]李军,张文文,王立军,等.硫自养反硝化同步脱氮除硫启动试验[J].沈阳建筑大学学报,2010,21(1):162-165.
[13]Fortuny M,Baeza J A,Gamisans X,et al. Biological sweetening of energy gases mimics in biotrickling flters[J]. Chemosphere,2008,71:10-17.
[14]Díaz I,Lopes A C,Pérez S I,et al. Determination of the optimal rate for the microaerobic treatment of several H2S concentrations in biogas from sludge digesters[J]. Water Sci Technol,2011,64(1):233-238.
[15]Sorokin D Y,van den Bosch P L F,Abbas B,et al. Microbiological analysis of the population of extremely haloalkaliphilic sulfur-oxidizing bacteria dominating in lab-scale sulfide-removing bioreactors[J]. Appl Microbiol Biotechnol,2008,80:965-975.
[16]Montebelloa A M,Baezab M,Lafuentea J,et al. Monitoring and performance of a desulphurizing biotrickling flter with an integrated continuous gas/liquid flow analyser[J]. Chem Eng J,2010,165:500-507.
[17]van der Zee F P,Villaverde S,Garc覦a P A,et al. Sulfde removal by moderate oxygenation of anaerobic sludge environments[J].Bioresour Technol,2007,98:518-524.