Simultaneous production of glucose, furfural, and ethanol organosolv lignin for total utilization of high recalcitrant biomass by organosolv pretreatment

Choi, June-Ho; Jang, Soo-Kyeong; Kim, Jong-Hwa; Park, Se-Yeong; Kim, Jong-Chan; Jeong, Hanseob; Kim, Ho‐Yong; Choi, In-Gyu

doi:10.1016/j.renene.2018.05.052

Cited by 120 publications

(55 citation statements)

References 42 publications

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“…As a result, of the pretreatment, complex lignocellulosic structures are converted to simple components (cellulose, hemicelluloses, and lignin) which is generally reflected by the removal of lignin, preservation of hemicelluloses, reduction of cellulose crystallinity and an increase of the material porosity. The pretreatment is regarded as efficient when the formation of sugars in further enzymatic step of biomass processing is enhanced as well as the degradation of carbohydrates and the formation of inhibitory compounds are limited to minimum [ 55 , 56 , 57 ].…”

Section: Composition and Structure Of Lignocellulosic Biomassmentioning

confidence: 99%

Pretreatment of Lignocellulosic Materials as Substrates for Fermentation Processes

et al. 2018

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Lignocellulosic biomass is an abundant and renewable resource that potentially contains large amounts of energy. It is an interesting alternative for fossil fuels, allowing the production of biofuels and other organic compounds. In this paper, a review devoted to the processing of lignocellulosic materials as substrates for fermentation processes is presented. The review focuses on physical, chemical, physicochemical, enzymatic, and microbiologic methods of biomass pretreatment. In addition to the evaluation of the mentioned methods, the aim of the paper is to understand the possibilities of the biomass pretreatment and their influence on the efficiency of biofuels and organic compounds production. The effects of different pretreatment methods on the lignocellulosic biomass structure are described along with a discussion of the benefits and drawbacks of each method, including the potential generation of inhibitory compounds for enzymatic hydrolysis, the effect on cellulose digestibility, the generation of compounds that are toxic for the environment, and energy and economic demand. The results of the investigations imply that only the stepwise pretreatment procedure may ensure effective fermentation of the lignocellulosic biomass. Pretreatment step is still a challenge for obtaining cost-effective and competitive technology for large-scale conversion of lignocellulosic biomass into fermentable sugars with low inhibitory concentration.

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Section: Composition and Structure Of Lignocellulosic Biomassmentioning

confidence: 99%

Pretreatment of Lignocellulosic Materials as Substrates for Fermentation Processes

et al. 2018

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“…Organosolv processes stand out as promising alternatives for the optimal pretreatment of lignocellulosic materials and have been extensively investigated for biomass valorization (Choi et al, 2019;Tan et al, 2019;Cebreiros et al, 2020). However, pretreatment efficiency may be enhanced by adding scCO 2 in a typical CO 2 -expanded liquid (CXL) scheme.…”

Section: Supercritical Co 2 Pretreatmentmentioning

confidence: 99%

Supercritical Fluids: A Promising Technique for Biomass Pretreatment and Fractionation

Escobar

Silva

Pirich

et al. 2020

Front. Bioeng. Biotechnol.

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Lignocellulosic biomasses are primarily composed of cellulose, hemicelluloses and lignin and these biopolymers are bonded together in a heterogeneous matrix that is highly recalcitrant to chemical or biological conversion processes. Thus, an efficient pretreatment technique must be selected and applied to this type of biomass in order to facilitate its utilization in biorefineries. Classical pretreatment methods tend to operate under severe conditions, leading to sugar losses by dehydration and to the release of inhibitory compounds such as furfural (2-furaldehyde), 5-hydroxy-2-methylfurfural (5-HMF), and organic acids. By contrast, supercritical fluids can pretreat lignocellulosic materials under relatively mild pretreatment conditions, resulting in high sugar yields, low production of fermentation inhibitors and high susceptibilities to enzymatic hydrolysis while reducing the consumption of chemicals, including solvents, reagents, and catalysts. This work presents a review of biomass pretreatment technologies, aiming to deliver a state-of-art compilation of methods and results with emphasis on supercritical processes.

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“…The first try to develop a biorefinery was not very promising, ie, for essential oil production, only 1% to 2% of the raw material conversion was achieved and 98% of raw material was turned waste. The most resent researches are showing progress in successful production of multiple products …”

Section: Organic Solventsmentioning

confidence: 99%

“…It is based on the concept that the existing oil-based economy is going to shift towards a biomass-based economy and going to make positive social impacts on communities. 145,146 The differences between biorefineries and petroleum refineries are large: (1) the raw materials are completely different, biomass is a renewable resource produced from recently living materials, while crude oil is produced from million of years of biodegradation of living organisms at that time, 147 (2) their complexity, as biorefineries integrate a large number of mature and emerging technologies for obtaining products, 148 and (3) the broad spectrum of products obtained in biorefineries including food-grade products which cannot be obtained from petroleum refineries. 149 The first try to develop a biorefinery was not very promising, ie, for essential oil production, only 1% to 2% of the raw material conversion was achieved and 98% of raw material was turned waste.…”

Section: The Concept Of Biorefinerymentioning

confidence: 99%

“…The most resent researches are showing progress in successful production of multiple products. 125,146,147,150 The design of biorefineries is considered to have three main objectives: (1) to ensure energy security where a large volume of biomass is produced, (2) to reduce environmental impacts associated with the production of chemical products, ie, less waste generation and less greenhouse gases emissions, 151 and (3) to develop rural areas. To design a biorefinery, the most widely used approaches are superstructures, conceptual design, and optimization.…”

Section: The Concept Of Biorefinerymentioning

confidence: 99%

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Future prospects of delignification pretreatments for the lignocellulosic materials to produce second generation bioethanol

Baig

Turcotte

2019

Int J Energy Res

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Summary Production of bioethanol is winning support from masses because it is a workable choice to solve the problems associated with the fluctuating prices of crude petroleum oil, climatic change, and reducing non‐renewable fuel reserves. First‐generation biofuels are produced directly from food crops. The biofuel (bioethanol, biodiesel) is ultimately derived from the starch, sugar, animal fats, and vegetable oil that these crops provide. It is important to note that the structure of the biofuel itself does not change between generations, but rather the source from which the fuel is derived changes. Corn, wheat, and sugar cane are the most commonly used first‐generation bioethanol feed stocks. Lignocellulosic materials are used as a feed stock for the production of second‐generation bioethanol. The major production steps are (1) delignification, (2) depolymerisation, and (3) fermentation. Agricultural residues are waste materials produced through the processing of agricultural crops. The main reason to use of these agricultural residues to produce bioethanol is to convert waste to value added products. The main challenges are the low yield of the cellulosic hydrolysis process due to the presence of lignin and hemicellulose with cellulose. Pretreatments of lignocellulosic materials to remove lignin and hemicellulose are the techniques used to enhance the hydrolysis. Present review article comprehensively discusses the different pretreatment methods of delignification for ethanol production. Published literature on pretreatments from 1982 to 2018 has been studied. Perspectives, gaps in studies, and recommendations are given to fully describe implementation of eight prominent pretreatments (milling, pyrolysis, organic solvents, steam explosion, hot water treatments, ozonolysis, enzymatic delignification, and genetic modification) for future research. The energy and environmental features of lignocellulosic materials are elaborated to show a sustainable aspect of second‐generation biofuel. It was felt necessary to discuss the concept of bio refinery to make biofuel production financially more attractive as well because the future prospects of second‐generation biofuel are promising.

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Simultaneous production of glucose, furfural, and ethanol organosolv lignin for total utilization of high recalcitrant biomass by organosolv pretreatment

Cited by 120 publications

References 42 publications

Pretreatment of Lignocellulosic Materials as Substrates for Fermentation Processes

Pretreatment of Lignocellulosic Materials as Substrates for Fermentation Processes

Supercritical Fluids: A Promising Technique for Biomass Pretreatment and Fractionation

Future prospects of delignification pretreatments for the lignocellulosic materials to produce second generation bioethanol

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