Anaerobic fermentation of biogas liquid pretreated maize straw by rumen microorganisms in vitro

Jin, Wenyao; Xü, Xinsheng; Gao, Yang; Yang, Fenglin; Wang, Gang

doi:10.1016/j.biortech.2013.10.003

Cited by 40 publications

(11 citation statements)

References 31 publications

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“…The LCH in corn stover were pre-decomposed to relatively readily components by the microbial consortium in LFD, resulting in the decrease of LCH contents. Ammonolysis could also take place with the presence of ammonia (see Table 1) as reported by Jin et al (2014). Ammonolysis could swell the cellulose and then detach it from lignin effectively (Kim and Lee, 2005).…”

Section: Changes Of Main Compositionsmentioning

confidence: 92%

“…Biological pretreatment is recently considered to be an attractive method to enhance the conversion of lignocellulosic biomass to bioenergy, for its low chemical and energy use, and environmental friendliness. However, most of previous research focused on the effect of various specific microbial agents, such as white-rot fungi, microbial community MC1, XDC-2, and ligninolytic enzyme, on the hydrolysis and biogasification of lignocellulosic biomass (Liu et al, 2006;Hwang et al, 2008;Guo et al, 2008;Li et al, 2012a,b;Jin et al, 2014). The microbial agents for pretreatment need to be specifically prepared and continuously added.…”

Section: Introductionmentioning

confidence: 98%

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Promoting anaerobic biogasification of corn stover through biological pretreatment by liquid fraction of digestate (LFD)

Pang

Yuan

et al. 2015

Bioresource Technology

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Section: Changes Of Main Compositionsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 98%

Promoting anaerobic biogasification of corn stover through biological pretreatment by liquid fraction of digestate (LFD)

Pang

Yuan

et al. 2015

Bioresource Technology

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“…Currently, corn straw is frequently disposed by burning, which considerably increases the level of environmental pollution. Compared with biochar generated by burning, biochar of corn straw produced by thermochemical means are promising because of their high lignocellulose content [22]. However, to the best of our knowledge, the characteristics of biochar pellets produced by the pyrolysation of corn straw pellets have not been investigated.…”

Section: Introductionmentioning

confidence: 99%

Characteristics of biochar pellets from corn straw under different pyrolysis temperatures

2018

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Biomass resources have the potential to produce clean-energy. However, their physico-chemical properties are inferior to those of coal, and thus, biomass resources are not regarded as ideal feedstock for industrial application. In the present study, the pyrolysis of corn (maize) straw pellets was performed under different temperatures (400, 450, 500, 550 and 600°C) at a 10°C min−1 heating rate and 30 min residence time, and the characteristics of biochar pellets were carefully investigated, particularly their elemental composition, hydrophobicity and mechanical resistance. Fourier transform infrared, proximate analysis and scanning electron microscopy were performed. Results indicated that the mass and energy yields of the biochar pellets decreased from 35.46 to 28.65% and from 50.17 to 45.52%, respectively, at increased temperature. Meanwhile, the higher heating value of the biochar pellets increased from 15.45 MJ kg−1 in the raw materials to 21.86 and 24.55 MJ kg−1 in the biochar produced at 400 and 600°C, respectively. In addition, biochar pellets showed good hydrophobicity, which benefited their storage and transportation, though mechanical resistance decreased. The pellets had compact structures, regular shapes and weakened or no functional groups in contrast with raw pellets, and these properties played important roles in the improvements.

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“…Agriculture waste AD is widely used as a promising and alternative renewable energy resource for fossil fuels . In order to enhance biogas production, different pretreatment technologies have been widely studied and reported in the literatures for reducing the recalcitrance of lignocellulosic biomass, including physical , chemical , physicochemical , biological , and biochemical methods. A summary of chemical composition and digestion properties of rice/soybean straw of different pretreatments is given in Table .…”

Section: Introductionmentioning

confidence: 99%

Anaerobic co‐digestion of rice straw and soybean straw to increase biogas production by pretreatment with trichoderma reesei RUT C30

Deng

Dai

et al. 2017

Env Prog and Sustain Energy

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This study aim to enhance biogas production for the co‐digestion of rice straw and soybean straw (RSS), pretreatment of fermentation materials by Trichoderma reesei RUT C30 were investigated. The pretreatments were done at 30°C for 72 h, and anaerobic digestion for 5 weeks. The results showed that the cumulative biogas yield from pretreatment co‐digestion group RSS (214.1 NmL/g TSsubstrate) was 318% higher than the untreated group CG RSS (51.2 NmL/g TSsubstrate). The cumulative methane yield from RSS was 94.3 NmL CH4/g TSsubstrate, which was 807% higher than that of untreated group (CG RSS 10.4 NmL CH4/g TSsubstrate), and 90% of potential biogas generation was reached in 17 days, which was 39% shorter than that of pretreatment mono‐digestion groups (28 days). These results suggested that rice and soybean straw co‐digestion exhibits a positive synergistic effect and Trichoderma reesei RUT C30 provides an effective method for improving biogas production. © 2017 American Institute of Chemical Engineers Environ Prog, 37: 1050–1057, 2018

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Anaerobic fermentation of biogas liquid pretreated maize straw by rumen microorganisms in vitro

Cited by 40 publications

References 31 publications

Promoting anaerobic biogasification of corn stover through biological pretreatment by liquid fraction of digestate (LFD)

Promoting anaerobic biogasification of corn stover through biological pretreatment by liquid fraction of digestate (LFD)

Characteristics of biochar pellets from corn straw under different pyrolysis temperatures

Anaerobic co‐digestion of rice straw and soybean straw to increase biogas production by pretreatment with trichoderma reesei RUT C30

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