Pretreatment methods of lignocellulosic biomass for anaerobic digestion

被引:309
作者
Amin, Farrukh Raza [1 ,4 ]
Khalid, Habiba [1 ,2 ]
Zhang, Han [1 ,2 ]
Rahman, Sajid U. [1 ]
Zhang, Ruihong [3 ]
Liu, Guangqing [1 ]
Chen, Chang [1 ]
机构
[1] Beijing Univ Chem Technol, Coll Chem Engn, 505 Zonghe Bldg,15 N 3rd Ring E Rd, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Coll Life Sci & Technol, Beijing 100029, Peoples R China
[3] Univ Calif Davis, Dept Biol & Agr Engn, Davis, CA 95616 USA
[4] COMSATS Inst Informat Tech nology, Ctr Climate Res & Dev CCRD, Islamabad 44000, Pakistan
关键词
Lignocellulose; Pretreatment; Microaerobic; Microbial community; Biodegradation; Biogas; CORN STOVER; METHANE PRODUCTION; WHEAT-STRAW; POTASSIUM HYDROXIDE; STEAM EXPLOSION; DILUTE-ACID; MICROAEROBIC PRETREATMENT; ALKALINE PRETREATMENT; FERMENTABLE SUGARS; ETHANOL-PRODUCTION;
D O I
10.1186/s13568-017-0375-4
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Agricultural residues, such as lignocellulosic materials (LM), are the most attractive renewable bioenergy sources and are abundantly found in nature. Anaerobic digestion has been extensively studied for the effective utilization of LM for biogas production. Experimental investigation of physiochemical changes that occur during pretreatment is needed for developing mechanistic and effective models that can be employed for the rational design of pretreatment processes. Various-cutting edge pretreatment technologies (physical, chemical and biological) are being tested on the pilot scale. These different pretreatment methods are widely described in this paper, among them, microaerobic pretreatment (MP) has gained attention as a potential pretreatment method for the degradation of LM, which just requires a limited amount of oxygen (or air) supplied directly during the pretreatment step. MP involves microbial communities under mild conditions (temperature and pressure), uses fewer enzymes and less energy for methane production, and is probably the most promising and environmentally friendly technique in the long run. Moreover, it is technically and economically feasible to use microorganisms instead of expensive chemicals, biological enzymes or mechanical equipment. The information provided in this paper, will endow readers with the background knowledge necessary for finding a promising solution to methane production.
引用
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页数:12
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