نتایج جستجو برای: lignocellulosic resource

تعداد نتایج: 216482  

Journal: :Catalysts 2022

Growth in population and thereby increased industrialization to meet its requirement, has elevated significantly the demand for energy resources. Depletion of fossil fuel environmental sustainability issues encouraged exploration alternative renewable eco-friendly Among major fuels, bio-ethanol produced from lignocellulosic biomass is most popular one. Lignocellulosic abundant resource which ub...

2013
Robert Bischof Lukas Fourtis Andreas Limbeck Christian Gamauf Bernhard Seiboth Christian P Kubicek

BACKGROUND Renewable lignocellulosic biomass is an advantageous resource for the production of second generation biofuels and other biorefinery products. In Middle Europe, wheat straw is one of the most abundant low-cost sources of lignocellulosic biomass. For its efficient use, an efficient mix of cellulases and hemicellulases is required. In this paper, we investigated how cellulase productio...

2012
Miyuki Matsuo Misao Yokoyama Kenji Umemura Joseph Gril Ken’ichiro Yano Shuichi Kawai

This paper deals with the kinetics of the color properties of hinoki (Chamaecyparis obtusa Endl.) wood. Specimens cut from the wood were heated at 90-180°C as accelerated aging treatment. The specimens completely dried and heated in the presence of oxygen allowed us to evaluate the effects of thermal oxidation on wood color change. Color properties measured by a spectrophotometer showed similar...

2013
Devendra Pratap Singh Rakesh Kumar Trivedi

Ethanol obtained from biomass has potential to become an important sustainable transportation fuel in the near future. Renewable energy sources, such as lignocellulosic biomass, are environmentally friendly because they emit less pollution without contributing net carbon dioxide to the atmosphere. Among kinds of biomass, lignocellulosic biomass is a very useful feedstock to economically produce...

2015
Xiaowei Peng Weibo Qiao Shuofu Mi Xiaojing Jia Hong Su Yejun Han

BACKGROUND Pretreatment is currently the common approach for improving the efficiency of enzymatic hydrolysis on lignocellulose. However, the pretreatment process is expensive and will produce inhibitors such as furan derivatives and phenol derivatives. If the lignocellulosic biomass can efficiently be saccharified by enzymolysis without pretreatment, the bioconversion process would be simplifi...

2015
Kazuhiko Kurosawa Josephine Laser Anthony J Sinskey

BACKGROUND Lignocellulosic biomass has been investigated as a renewable non-food source for production of biofuels. A significant technical challenge to using lignocellulose is the presence of microbial growth inhibitors generated during pretreatment processes. Triacylglycerols (TAGs) are potential precursors for lipid-based biofuel production. Rhodococcus opacus MITXM-61 is an oleaginous bacte...

Journal: :Biotechnology and bioengineering 2015
Eric Shiue Irene M Brockman Kristala L J Prather

The use of lignocellulosic biomass as a feedstock for microbial fermentation processes presents an opportunity for increasing the yield of bioproducts derived directly from glucose. Lignocellulosic biomass consists of several fermentable sugars, including glucose, xylose, and arabinose. In this study, we investigate the ability of an E. coli Δpgi Δzwf mutant to consume alternative carbon source...

2011
J. R. Samaniuk J. Wang C. T. Scott D. J. Klingenberg

Economic processing of lignocellulosic biomass requires handling the biomass at high solids concentration. This creates challenges because concentrated biomass behaves as a Bingham-like material with large yield stresses. Here we employ torque rheometry to measure the rheological properties of concentrated lignocellulosic biomass (corn stover). Yield stresses obtained using torque rheometry agr...

Journal: :Current opinion in biotechnology 2009
Leonardo da Costa Sousa Shishir P S Chundawat Venkatesh Balan Bruce E Dale

Pretreatment is considered to be a central unit process in a biorefinery to convert lignocellulosic biomass into fuels and chemicals, affecting all other operations in the process. A variety of technologies to pretreat lignocellulosic biomass are available today, which encompass a wide range of physical, chemical, and biological based processes. Among these, chemical based pretreatments are con...

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