نتایج جستجو برای: lignocellulosic resource

تعداد نتایج: 216482  

Journal: :Molecules 2017
Qidong Hou Meiting Ju Weizun Li Le Liu Yu Chen Qian Yang

Pretreatment is very important for the efficient production of value-added products from lignocellulosic biomass. However, traditional pretreatment methods have several disadvantages, including low efficiency and high pollution. This article gives an overview on the applications of ionic liquids (ILs) and IL-based solvent systems in the pretreatment of lignocellulosic biomass. It is divided int...

2011
Amrita Verma Santosh Kumar P. K. Jain

Conversion of lignocellulosic biomass to fuel ethanol involves pretreatments followed by enzyme-catalyzed hydrolysis to generate fermentable sugars. Efficient pretreatment method can significantly enhance hydrolysis of biomass and thus reduce ethanol production cost. Cellulosic plant materials are mainly composed of cellulose, hemicellulose and lignin, the cheapest source of fermentable sugars....

Journal: :Advances in applied microbiology 2010
Carl J Yeoman Yejun Han Dylan Dodd Charles M Schroeder Roderick I Mackie Isaac K O Cann

Lignocellulose is the most abundant carbohydrate source in nature and represents an ideal renewable energy source. Thermostable enzymes that hydrolyze lignocellulose to its component sugars have significant advantages for improving the conversion rate of biomass over their mesophilic counterparts. We review here the recent literature on the development and use of thermostable enzymes for the de...

2016
Hiroshi Teramura Kengo Sasaki Tomoko Oshima Fumio Matsuda Mami Okamoto Tomokazu Shirai Hideo Kawaguchi Chiaki Ogino Ko Hirano Takashi Sazuka Hidemi Kitano Jun Kikuchi Akihiko Kondo

BACKGROUND The primary components of lignocellulosic biomass such as sorghum bagasse are cellulose, hemicellulose, and lignin. Each component can be utilized as a sustainable resource for producing biofuels and bio-based products. However, due to their complicated structures, fractionation of lignocellulosic biomass components is required. Organosolv pretreatment is an attractive method for thi...

2017
Constantinos Katsimpouras Konstantinos G. Kalogiannis Aggeliki Kalogianni Angelos A. Lappas Evangelos Topakas

BACKGROUND Lignocellulosic biomass is an abundant and inexpensive resource for biofuel production. Alongside its biotechnological conversion, pretreatment is essential to enable efficient enzymatic hydrolysis by making cellulose susceptible to cellulases. Wet oxidation of biomass, such as acetone/water oxidation, that employs hot acetone, water, and oxygen, has been found to be an attractive pr...

2009
Miranda Maki Kam Tin Leung Wensheng Qin

Lignocellulosic biomass is a renewable and abundant resource with great potential for bioconversion to value-added bioproducts. However, the biorefining process remains economically unfeasible due to a lack of biocatalysts that can overcome costly hurdles such as cooling from high temperature, pumping of oxygen/stirring, and, neutralization from acidic or basic pH. The extreme environmental res...

Journal: :Biomass Conversion and Biorefinery 2023

Abstract Lignocellulosic biomass is one of the most abundant bioresources on Earth. Over recent decades, various valorisation techniques have been developed to produce value-added products from cellulosic and hemicellulosic fractions this biomass. Lignin third major component accounting for 10–30% (w/w). However, it currently remains a largely unused fraction due its recalcitrance complex struc...

Journal: :Journal of Biological Engineering 2009
Travis S Bayer Kevin G Hoff Chase L Beisel Jack J Lee Christina D Smolke

BACKGROUND Microbial communities are involved in many processes relevant to industrial and medical biotechnology, such as the formation of biofilms, lignocellulosic degradation, and hydrogen production. The manipulation of synthetic and natural microbial communities and their underlying ecological parameters, such as fitness, evolvability, and variation, is an increasingly important area of res...

Journal: :Journal of applied agricultural science and technology 2022

Lignocellulosic biomass is a renewable resource used to produce energy, fuels, and chemicals. This study aimed determine the effect of pyrolysis temperature on product yield characterization bio-oil. In this study, palm shells were selected prepared as raw materials for bio-oil production. Palm first soaked in 10% HCl then pyrolyzed at temperatures 300 oC, 350 400 450 oC fixed bed reactor. Afte...

2009
Run-Cang Sun

Lignocellulosic materials such as agricultural residues have been recognized as potential sustainable sources of mixed sugars for fermentation to bioethanol. To obtain a high overall ethanol yield and achieve an economically feasible production process, the removal of lignin and hemicelluloses improves the accessibility of cellulosic material to hydrolytic enzymes and avoids the degradation pro...

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