Steam explosion of lignocellulosic biomass for multiple advanced bioenergy processes: A review

Yan, Yu; Wu, Jie; Ren, Xueyong; Lau, Anthony; Rezaei, Hamid; Takada, Masatsugu; Bi, Xiaotao; Sokhansanj, Shahabbadine

doi:10.1016/j.rser.2021.111871

Cited by 136 publications

(51 citation statements)

References 180 publications

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“…In spite of the fact that the combined treatment requires a longer time, its effectiveness remains profitable because it releases an important quantity of simple sugars, especially glucose and xylose. SE pretreatment followed by Ac in the coupling treatment has an important influence on enzymatic hydrolysis because SE treatment increases the accessibility of enzymes to the constituents of the lignocellulosic complex, cellulose and lignin (Kumar et al, 2012;Stanley et al, 2022;Yu et al, 2022). Similar studies on "Willow" biomass have demonstrated that pretreatment with SE and enzymatic hydrolysis treatment with the cellulase enzyme led to the conversion of 80% of cellulose to glucose (Ziegler-Devin et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

“…One kilogram of waste mixture (FW, PPW and EPW) was washed with pure water to remove impurities and placed in an Erlenmeyer flask containing 3 liters of distilled water. The substrate was pretreated with steam in an autoclave (20 minutes at 270 °C), the time of depressurization was 1-2 seconds every 5 minutes (Eloutassi et al, 2014a;Yu et al, 2022).…”

Section: Treatment Methodsmentioning

confidence: 99%

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Simple and Combined Pretreatment of a Mixture of Forestry and Aromatic-Medicinal Plant Waste by Chemical, Physical and Enzymatic Methods

Bendaoud¹,

Belkhiri²,

Maai³

et al. 2023

J. Ecol. Eng.

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Forestry waste (FW) extracted parts ofmedicinal-aromatic plant waste (EPW) and unused parts (UPW) are considered potential resources for energy recovery (their heating value of approximately 19 MJ/kg).In order to valorize lignocellulosic biomass, a pretreatment process is required to hydrolyze the recalcitrant lignocellulosic complex into fermentable simple sugars. The aim of this study is to determine the best method of pretreatment that takes into account treatment time, efficiency, and environmental friendliness. The mixture of FW, EPW, and UPW was treated by simple and combined treatment using different methods like acid sulfuric (Ac), steam explosion (SE), and enzymatic (E) (cellulase and hemicellulase).The results showed that the combined and simple Ac treatments are the mostefficient compared with SE and E treatments in the hydrolysis of polysaccharide of cellulose with a rate respectively of 90.5% and 77.6% and hemicellulose with a rate respectively of 80.63% and 87.14%. In addition, both of the preceding methods release an important rate of total phenolic compounds. Combined treatment demands high time but is friendly (approximately 1 day), and Ac treatment is less time-consuming (about 25 min) but harmful to the environment and causes the corrosion of equipment.In conclusion, combined treatment can be the best method and the high time required can be reduced with the progress of the research.

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Section: Discussionmentioning

confidence: 99%

Section: Treatment Methodsmentioning

confidence: 99%

Simple and Combined Pretreatment of a Mixture of Forestry and Aromatic-Medicinal Plant Waste by Chemical, Physical and Enzymatic Methods

Bendaoud¹,

Belkhiri²,

Maai³

et al. 2023

J. Ecol. Eng.

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show abstract

“…Such a high NDF content and a low non-NDF fraction of these byproducts indicate that they are less digestible and low in nutritional value. Much research shows that steam explosion processing could result in remarkable physicochemical changes in various kinds of biomass ( 7 , 29 ). The FTIR absorption peak of the acetyl group (–C=O), which is a characteristic peak of hemicellulose, is remarkably decreased in different kinds of materials after steam explosion pretreatment ( 5 , 7 ).…”

Section: Discussionmentioning

confidence: 99%

Steam explosion processing intensifies the nutritional values of most crop byproducts: Morphological structure, carbohydrate-protein fractions, and rumen fermentation profile

Huang

Shi

et al. 2022

Front. Nutr.

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To investigate the feasibility of steam explosion on the exploitation of ruminant feedstuff, the morphological structure, carbohydrate-protein fractions, and rumen fermentation profile of five typical crop byproducts (corn cob, rice straw, peanut shell, millet stalk, and sugarcane tip) were analyzed before and after steam explosion processing. The results showed that these crop byproducts had different physicochemical properties and rumen fermentation profiles, most of which could be improved by steam explosion processing, i.e., more rough morphological surface, much-broken structure, more digestible carbohydrate fraction (non-NDF +49.92–452.24%), faster gas production rate (c +9.72–68.75%), higher dry matter digestibility (DMD48 +11.38–47.36%), more available energy (ME −3.69–+42.13%, except for peanut shell), along with more unavailable protein fraction (ADICP +27.16–102.70%). It is suggested that steam explosion processing could intensify the feeding value of most crop byproducts for ruminants, but with a caution of heat damage to proteins.

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“…Meanwhile, hemicellulose was hydrolyzed by acetic acid derived from acetyl groups and/or other acids. Some inner linkages of lignin were destroyed and cellulose binding was reduced (34). During the subsequent instantaneous decompression stage, the structure of TN substrates was destroyed by the combined effects of water flashing and volume expansion.…”

Section: Morphological Properties Of Raw and Pretreated Tiger Nutmentioning

confidence: 99%

Steam explosion pretreatment enhancing enzymatic digestibility of overground tubers of tiger nut (Cyperus esculentus L.)

Zhao

Huang

et al. 2023

Front. Nutr.

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IntroductionTiger nut (TN) is recognized as a high potential plant which can grow in well-drained sandy or loamy soils and provide food nutrients. However, the overground tubers of TN remain unutilized currently, which limits the value-added utilization and large-area cultivation of this plant.MethodsIn the present study, the overground tubers of TN were subjected to enzymatic hydrolysis to produce fermentable sugars for biofuels production. Steam explosion (SE) was applied to modify the physical-chemical properties of the overground tubers of TN for enhancing its saccharification.Results and discussionResults showed that SE broke the linkages of hemicellulose and lignin in the TN substrates and increased cellulose content through removal of hemicellulose. Meanwhile, SE cleaved inner linkages within cellulose molecules, reducing the degree of polymerization by 32.13–77.84%. Cellulose accessibility was significantly improved after SE, which was revealed visibly by the confocal laser scanning microscopy imaging techniques. As a result, enzymatic digestibility of the overground tubers of TN was dramatically enhanced. The cellulose conversion of the SE treated TN substrates reached 38.18–63.97%, which was 2.5–4.2 times higher than that without a SE treatment.ConclusionTherefore, SE pretreatment promoted saccharification of the overground tubers of TN, which paves the way for value-added valorization of the TN plants.

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Steam explosion of lignocellulosic biomass for multiple advanced bioenergy processes: A review

Cited by 136 publications

References 180 publications

Simple and Combined Pretreatment of a Mixture of Forestry and Aromatic-Medicinal Plant Waste by Chemical, Physical and Enzymatic Methods

Simple and Combined Pretreatment of a Mixture of Forestry and Aromatic-Medicinal Plant Waste by Chemical, Physical and Enzymatic Methods

Steam explosion processing intensifies the nutritional values of most crop byproducts: Morphological structure, carbohydrate-protein fractions, and rumen fermentation profile

Steam explosion pretreatment enhancing enzymatic digestibility of overground tubers of tiger nut (Cyperus esculentus L.)

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