期刊
AICHE JOURNAL
卷 64, 期 11, 页码 3803-3816出版社
WILEY
DOI: 10.1002/aic.16212
关键词
microbubbles; DBD plasma; ozone; OH radicals; miscanthus; biomass
资金
- Plants to Products BBSRC NIBB [POC-HD_RD0300 C, BB/L013819/1]
- school of AACME, Loughborough University
- EPSRC [EP/M507908/1]
- BBSRC [BB/L013819/1, BB/S006532/1] Funding Source: UKRI
- EPSRC [EP/I027858/1, EP/I019790/1, EP/N011511/1, EP/K001329/1] Funding Source: UKRI
A novel lignocellulosic biomass pretreatment reactor has been designed and tested to investigate pretreatment efficacy of miscanthus grass. The reactor was designed to optimize the transfer of highly oxidative species produced by dielectric barrier discharge plasma to the liquid phase immediately after generation, by arranging close proximity of the plasma to the gas-liquid interface of microbubbles. The reactor produced a range of reactive oxygen species and reactive nitrogen species, and the rate of production depended on the power source duty cycle and the temperature of the plasma. Ozone and other oxidative species were dispersed efficiently using energy efficient microbubbles produced by fluidic oscillations. A 5% (w/w) miscanthus suspension pretreated for 3 h at 10% duty cycle yielded 0.5% acid soluble lignin release and 26% sugar release post hydrolysis with accelerated pretreatment toward the latter stages of the treatment demonstrating the potential of this approach as an alternative pretreatment method. (C) 2018 The Authors. AIChE Journal published by Wiley Periodicals, Inc. on behalf of American Institute of Chemical Engineers.
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