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Journal articles on the topic 'Lignocellulose pretreatments'

Author: Grafiati

Published: 29 June 2023

Last updated: 31 July 2025

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1

Naini, Al-Arofatus, Nurwahdah Nurwahdah, Ratri Yuli Lestari, and Sunardi Sunardi, Ph.D. "Praperlakuan secara Hidrotermal Limbah Lignoselulosa untuk Produksi Bioetanol Generasi Kedua (Pretreatment of Lignocellulose Wastes Using Hydrothermal Method for Producing Second Generation Bioethanol)." Jurnal Riset Industri Hasil Hutan 10, no. 2 (2018): 93–102. http://dx.doi.org/10.24111/jrihh.v10i2.4078.

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The second generation of bioethanol derived from various cellulosic biomass materials is one of the latest renewable energy as the alternative of fossil fuel. The cellulosic waste based wood and non-wood materials are the most abundant natural resource on the earth, renewable, and inexpensive. Currently, second generation bioethanol development is still not optimally done due to various obstacles, especially the pretreatment process to eliminate lignin, influencing the conversion process of cellulose into reducing sugar. Hydrothermal method is one of lignocellulose pretreatments, which is wide

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2

Zahoor, Wen Wang, Xuesong Tan, et al. "Comparison of Low-Temperature Alkali/Urea Pretreatments for Ethanol Production from Wheat Straw." Journal of Biobased Materials and Bioenergy 15, no. 3 (2021): 399–407. http://dx.doi.org/10.1166/jbmb.2021.2062.

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NaOH/urea (NU) pretreatment at lower than 0 °C has been frequently applied for improving bio-conversion of lignocellulose, but the wastewater generated from the pretreatment process is hard to dispose. KOH/urea (KU) pretreatment for enhancing bioconversion of lignocellulose has recently attracted researchers’ attention due to the recycling of wastewater for facilitating crops’ growth. This study compared the effects of NU and KU pretreatments at cold conditions on the enzymatic hydrolysis and bioethanol yield from wheat straw (WS). By using response surface methodology an optimal pretreatment

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3

Li, Ao, Qiaomei Yang, Yu Li, et al. "Mild physical and chemical pretreatments to enhance biomass enzymatic saccharification and bioethanol production from Erianthus arundinaceus." BioResources 14, no. 1 (2018): 650–68. http://dx.doi.org/10.15376/biores.14.1.650-668.

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Diverse cell wall compositions were subjected to pretreatment and saccharification to produce bioethanol from 20 Erianthus arundinaceus accessions. Using four typical pairs of biomass samples, various physical and chemical pretreatments were employed to extract cell wall polymers. Mild chemical pretreatment (2% NaOH and 50 °C) yielded complete biomass saccharification, whereas the liquid hot water pretreatment achieved the highest bioethanol yield with a full sugar-ethanol conversion rate. Notably, the extraction of the lignin p-coumaryl alcohol (H) monomer greatly enhanced biomass saccharific

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4

Kovačić, Đurđica, Dorijan Radočaj, Danijela Samac, and Mladen Jurišić. "Influence of Thermal Pretreatment on Lignin Destabilization in Harvest Residues: An Ensemble Machine Learning Approach." AgriEngineering 6, no. 1 (2024): 171–84. http://dx.doi.org/10.3390/agriengineering6010011.

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The research on lignocellulose pretreatments is generally performed through experiments that require substantial resources, are often time-consuming and are not always environmentally friendly. Therefore, researchers are developing computational methods which can minimize experimental procedures and save money. In this research, three machine learning methods, including Random Forest (RF), Extreme Gradient Boosting (XGB) and Support Vector Machine (SVM), as well as their ensembles were evaluated to predict acid-insoluble detergent lignin (AIDL) content in lignocellulose biomass. Three differen

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Oates, Nicola C., Amira Abood, Alexandra M. Schirmacher, et al. "A multi-omics approach to lignocellulolytic enzyme discovery reveals a new ligninase activity from Parascedosporium putredinis NO1." Proceedings of the National Academy of Sciences 118, no. 18 (2021): e2008888118. http://dx.doi.org/10.1073/pnas.2008888118.

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Lignocellulose, the structural component of plant cells, is a major agricultural byproduct and the most abundant terrestrial source of biopolymers on Earth. The complex and insoluble nature of lignocellulose limits its conversion into value-added commodities, and currently, efficient transformation requires expensive pretreatments and high loadings of enzymes. Here, we report on a fungus from the Parascedosporium genus, isolated from a wheat-straw composting community, that secretes a large and diverse array of carbohydrate-active enzymes (CAZymes) when grown on lignocellulosic substrates. We

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Costa, Stefania, Irene Rugiero, Christian Larenas Uria, Paola Pedrini, and Elena Tamburini. "Lignin Degradation Efficiency of Chemical Pre-Treatments on Banana Rachis Destined to Bioethanol Production." Biomolecules 8, no. 4 (2018): 141. http://dx.doi.org/10.3390/biom8040141.

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Valuable biomass conversion processes are highly dependent on the use of effective pretreatments for lignocellulose degradation and enzymes for saccharification. Among the nowadays available treatments, chemical delignification represents a promising alternative to physical-mechanical treatments. Banana is one of the most important fruit crops around the world. After harvesting, it generates large amounts of rachis, a lignocellulosic residue, that could be used for second generation ethanol production, via saccharification and fermentation. In the present study, eight chemical pretreatments fo

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Huang, Caoxing, Ruolin Li, Wei Tang, Yayue Zheng, and Xianzhi Meng. "Improve Enzymatic Hydrolysis of Lignocellulosic Biomass by Modifying Lignin Structure via Sulfite Pretreatment and Using Lignin Blockers." Fermentation 8, no. 10 (2022): 558. http://dx.doi.org/10.3390/fermentation8100558.

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Even traditional pretreatments can partially remove or degrade lignin and hemicellulose from lignocellulosic biomass for enhancing its enzymatic digestibility, the remaining lignin in pretreated biomass still restricts its enzymatic hydrolysis by limiting cellulose accessibility and lignin-enzyme nonproductive interaction. Therefore, many pretreatments that can modify lignin structure in a unique way and approaches to block the lignin’s adverse impact have been proposed to directly improve the enzymatic digestibility of pretreated biomass. In this review, recent development in sulfite pretreat

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8

Pérez-Merchán, Antonio Manuel, Gabriela Rodríguez-Carballo, Benjamín Torres-Olea, et al. "Recent Advances in Mechanochemical Pretreatment of Lignocellulosic Biomass." Energies 15, no. 16 (2022): 5948. http://dx.doi.org/10.3390/en15165948.

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Biorefineries are industrial facilities where biomass is converted into chemicals, fuels and energy. The use of lignocellulose as raw material implies the development of pretreatments to reduce its recalcitrant character prior to the processes that lead to the synthesis of the products of interest. These treatments are based on physico-chemical processes where it is necessary to use acids, bases, oxidants, and high pressure and temperature conditions that lead to the depolymerization of lignocellulose at the expense of generating a series of streams that must be treated later or to the product

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9

Yang, Haiyan, Yuanchen Zhu, Yan Jin, Fuhou Lei, Zhengjun Shi, and Jing Yang. "Pseudo-lignin retarded bioconversion of sugarcane bagasse holocellulose after liquid hot water and acid pretreatments." BioResources 16, no. 2 (2021): 4052–63. http://dx.doi.org/10.15376/biores.16.2.4052-4063.

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Pseudo-lignin derived from the condensation of carbohydrate degradation products can retard the bioconversion of lignocellulose. In this work, liquid hot water (150 to 190 °C) and 1% H2SO4 pretreatments (130 to 190 °C) were used on sugarcane bagasse holocellulose for 3 h to generate pseudo-lignin. The effects of pseudo-lignin generation on structural characteristics and bioconversion of substrates were evaluated. The results showed that the formation of pseudo-lignin increased the hydrophobicity of the substrates. After LHW pretreatments and acid pretreatments at low temperatures (<150 °C),

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10

Mahmood, Hamayoun, Saqib Mehmood, Ahmad Shakeel, et al. "Glycerol Assisted Pretreatment of Lignocellulose Wheat Straw Materials as a Promising Approach for Fabrication of Sustainable Fibrous Filler for Biocomposites." Polymers 13, no. 3 (2021): 388. http://dx.doi.org/10.3390/polym13030388.

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Glycerol pretreatment is a promising method for the environmentally-friendly transformation of lignocellulosic materials into sustainable cellulose-rich raw materials (i.e., biopolymer) to fabricate biocomposites. Here, a comparison of aqueous acidified glycerol (AAG) pretreatment of wheat straw (WS) with alkaline, hot water, and dilute acid pretreatments on the thermal and mechanical characteristics of their fabricated composite board is presented. A comparison of total energy expenditure during WS pretreatment with AAG and other solutions was estimated and a comparative influence of AAG proc

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Orozco, Yohanna Cabrera, Jennifer Alejandra Patricia Gutiérrez Alarcón, and Andres Cabrera Orozco. "Sustainability Indicators of Four Biomass Pretreatment Methods for the Energy Transition in Colombia." Revista de Gestão Social e Ambiental 18, no. 12 (2024): e09895. https://doi.org/10.24857/rgsa.v18n12-076.

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Objective: To compare pretreatment methods for lignocellulosic biomass, focusing on the feasibility of using renewable energy through electric-powered techniques. Theoretical Framework: The energy transition is expected to generate surplus green electricity. This surplus can enable sustainable small-scale lignocellulose pretreatments. Methods: We compared two conventional pretreatments, steam explosion (SE) and ammonia fiber expansion (AFEX), with two electric-powered pretreatments, reactive extrusion (RE) and ball milling mechanocatalysis (Me). Feasibility was assessed using these indicators:

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12

Valdés, Gabriela, Regis Teixeira Mendonça, and George Aggelis. "Lignocellulosic Biomass as a Substrate for Oleaginous Microorganisms: A Review." Applied Sciences 10, no. 21 (2020): 7698. http://dx.doi.org/10.3390/app10217698.

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Microorganisms capable of accumulating lipids in high percentages, known as oleaginous microorganisms, have been widely studied as an alternative for producing oleochemicals and biofuels. Microbial lipid, so-called Single Cell Oil (SCO), production depends on several growth parameters, including the nature of the carbon substrate, which must be efficiently taken up and converted into storage lipid. On the other hand, substrates considered for large scale applications must be abundant and of low acquisition cost. Among others, lignocellulosic biomass is a promising renewable substrate containin

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13

Pihlajaniemi, Ville, Mika Henrikki Sipponen, Henrikki Liimatainen, Juho Antti Sirviö, Antti Nyyssölä, and Simo Laakso. "Weighing the factors behind enzymatic hydrolyzability of pretreated lignocellulose." Green Chemistry 18, no. 5 (2016): 1295–305. http://dx.doi.org/10.1039/c5gc01861g.

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Zanellati, Andrea, Federica Spina, Luca Rollé, Giovanna Cristina Varese, and Elio Dinuccio. "Fungal Pretreatments on Non-Sterile Solid Digestate to Enhance Methane Yield and the Sustainability of Anaerobic Digestion." Sustainability 12, no. 20 (2020): 8549. http://dx.doi.org/10.3390/su12208549.

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Fungi can run feedstock pretreatment to improve the hydrolysis and utilization of recalcitrant lignocellulose-rich biomass during anaerobic digestion (AD). In this study, three fungal strains (Coprinopsis cinerea MUT 6385, Cyclocybe aegerita MUT 5639, Cephalotrichum stemonitis MUT 6326) were inoculated in the non-sterile solid fraction of digestate, with the aim to further (re)use it as a feedstock for AD. The application of fungal pretreatments induced changes in the plant cell wall polymers, and different profiles were observed among strains. Significant increases (p < 0.05) in the cumula

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15

Saye, Luke M. G., Tejas A. Navaratna, James P. J. Chong, Michelle A. O’Malley, Michael K. Theodorou, and Matthew Reilly. "The Anaerobic Fungi: Challenges and Opportunities for Industrial Lignocellulosic Biofuel Production." Microorganisms 9, no. 4 (2021): 694. http://dx.doi.org/10.3390/microorganisms9040694.

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Lignocellulose is a promising feedstock for biofuel production as a renewable, carbohydrate-rich and globally abundant source of biomass. However, challenges faced include environmental and/or financial costs associated with typical lignocellulose pretreatments needed to overcome the natural recalcitrance of the material before conversion to biofuel. Anaerobic fungi are a group of underexplored microorganisms belonging to the early diverging phylum Neocallimastigomycota and are native to the intricately evolved digestive system of mammalian herbivores. Anaerobic fungi have promising potential

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16

Sathitsuksanoh, Noppadon, Anthe George, and Y.-H. Percival Zhang. "New lignocellulose pretreatments using cellulose solvents: a review." Journal of Chemical Technology & Biotechnology 88, no. 2 (2012): 169–80. http://dx.doi.org/10.1002/jctb.3959.

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17

Schroeder, Bruna Grosch, Havva Betül İstanbullu, Matthias Schmidt, Washington Logroño, Hauke Harms, and Marcell Nikolausz. "Effect of Alkaline and Mechanical Pretreatment of Wheat Straw on Enrichment Cultures from Pachnoda marginata Larva Gut." Fermentation 9, no. 1 (2023): 60. http://dx.doi.org/10.3390/fermentation9010060.

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In order to partially mimic the efficient lignocellulose pretreatment process performed naturally in the gut system of Pachnoda marginata larvae, two wheat straw pretreatments were evaluated: a mechanical pretreatment via cutting the straw into two different sizes and an alkaline pretreatment with calcium hydroxide. After pretreatment, gut enrichment cultures on wheat straw at alkaline pH were inoculated and kept at mesophilic conditions over 45 days. The methanogenic community was composed mainly of the Methanomicrobiaceae and Methanosarcinaceae families. The combined pretreatment, size reduc

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18

Bascón-Villegas, Isabel, Eduardo Espinosa, Rafael Sánchez, Quim Tarrés, Fernando Pérez-Rodríguez, and Alejandro Rodríguez. "Horticultural Plant Residues as New Source for Lignocellulose Nanofibers Isolation: Application on the Recycling Paperboard Process." Molecules 25, no. 14 (2020): 3275. http://dx.doi.org/10.3390/molecules25143275.

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Horticultural plant residues (tomato, pepper, and eggplant) were identified as new sources for lignocellulose nanofibers (LCNF). Cellulosic pulp was obtained from the different plant residues using an environmentally friendly process, energy-sustainable, simple, and with low-chemical reagent consumption. The chemical composition of the obtained pulps was analyzed in order to study its influence in the nanofibrillation process. Cellulosic fibers were subjected to two different pretreatments, mechanical and TEMPO(2,2,6,6-Tetramethyl-piperidin-1-oxyl)-mediated oxidation, followed by high-pressure

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19

Uçkun, E., O. Ak, and U. Bakir. "The effects of microbial lignocellulose pretreatments on xylooligosaccharide production." New Biotechnology 25 (September 2009): S248. http://dx.doi.org/10.1016/j.nbt.2009.06.552.

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20

Huang, Weiwei, Erzhu Wang, Juan Chang, et al. "Effect of physicochemical pretreatments and enzymatic hydrolysis on corn straw degradation and reducing sugar yield." BioResources 12, no. 4 (2017): 7002–15. http://dx.doi.org/10.15376/biores.12.4.7002-7015.

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Straw lignocelluloses were converted to reducing sugar for possible use for bioenergy production via physicochemical pretreatments and enzymatic hydrolysis. The experiment was divided into 2 steps. The first step focused on breaking the crystal structure and removing lignin in corn straw. The lignin, hemicellulose, and cellulose degradation rates observed were 92.2%, 73.7%, and 4.6%, respectively, after corn straw was treated with sodium hydroxide (3% w/w) plus high-pressure steam (autoclave), 74.8%, 72.5%, and 4.3% after corn straw was treated with sodium hydroxide (8%, w/w) plus wet steam ex

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21

Rezende, Camila A., Beatriz W. Atta, Marcia C. Breitkreitz, Rachael Simister, Leonardo D. Gomez, and Simon J. McQueen-Mason. "Optimization of biomass pretreatments using fractional factorial experimental design." Biotechnology for Biofuels 11, no. 1 (2018): 206. https://doi.org/10.1186/s13068-018-1200-2.

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<strong>Background: </strong>Pretreatments are one of the main bottlenecks for the lignocellulose conversion process and the search for cheaper and effective pretreatment methodologies for each biomass is a complex but fundamental task. Here, we used a 2ν<sup>5−1</sup> fractional factorial design (FFD) to optimize five pretreatment variables: milling time, temperature, double treatment, chemical concentration, and pretreatment time in acid–alkali (EA) and acid–organosolv (EO) pretreatments, applied to elephant grass leaves.<strong>Results: </strong>FFD allowed optimization of the pretreatment

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Santos, Natasha Kevellyn dos, Daniel Pasquini, and Milla Alves Baffi. "Factors that influence the enzymatic hydrolysis of agricultural wastes for ethanol production: a review." Journal of Engineering and Exact Sciences 8, no. 11 (2022): 15137–01. http://dx.doi.org/10.18540/jcecvl8iss11pp15137-01e.

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Lignocellulosic biomass, such as agricultural and forestry residues, can be reused and serve as sources of sugars for the production of second-generation ethanol (2G) and other bioproducts. However, these wastes are composed by molecules of difficult degradation, which require steps of pretreatment and enzymatic hydrolysis for their bioconversion into fermentable sugars. At the same time, chemical substances with a potential inhibitory effect on the microbial metabolism can also be produced after the pretreatments and hinder the overall yield of the hydrolytic process. For an efficient and low

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Chang, Longjun, Ruya Ye, Jialing Song, et al. "Efficient Fractionation of Green Bamboo Using an Integrated Hydrothermal–Deep Eutectic Solvent Pretreatment for Its Valorization." Applied Sciences 13, no. 4 (2023): 2429. http://dx.doi.org/10.3390/app13042429.

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Adopting an integrated strategy to realize efficient fractionation of lignocellulose into well-defined components for its valorization is challenging. Combinatorial pretreatments in this study decomposed hemicellulose of green bamboo during hydrothermal pretreatment (HP), and the hydrothermally pretreated bamboo was subsequently subjected to delignification using deep eutectic solvent (DES) consisting of choline chloride and lactic acid, finally facilitating enzymatic hydrolysis of cellulose residue. Upon hydrothermal treatment at 180 °C for 35 min, hemicellulose removal of 88.6% was achieved

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Ma, Tao, Jing Zhao, Le Ao, et al. "Effects of different pretreatments on pumpkin (Cucurbita pepo) lignocellulose degradation." International Journal of Biological Macromolecules 120 (December 2018): 665–72. http://dx.doi.org/10.1016/j.ijbiomac.2018.08.124.

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Vieira, Fabrícia, Hortência E. P. Santana, Meirielly Jesus, et al. "Comparative Study of Pretreatments on Coconut Fiber for Efficient Isolation of Lignocellulosic Fractions." Sustainability 16, no. 11 (2024): 4784. http://dx.doi.org/10.3390/su16114784.

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Pretreatment is an essential step for breaking the recalcitrant structure of lignocellulosic biomass and allowing conversion to high-value-added chemicals. In this study, coconut fiber was subjected to three pretreatment methods to compare their impacts on the biomass’s structural characteristics and their efficiency in fractionating the biomass. This comparative approach was conducted to identify mild biomass pretreatment conditions that efficiently extract lignin and recover cellulose-rich pulp for the production of bioproducts. To this end, autohydrolysis, alkaline, and organosolv pretreatm

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Sato, A., A. Widjaja, and Soeprijanto. "Hydrothermal Pretreatment of Rice Straw with Alkaline Addition for Enhancing Biogas Production in Semicontinuous Anaerobic Digester." Journal of Physics: Conference Series 2117, no. 1 (2021): 012034. http://dx.doi.org/10.1088/1742-6596/2117/1/012034.

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Abstract This study presents the results of hydrothermal pretreatment of rice straw on its ability to improve the biogas production process in anaerobic digesters. Hydrothermal treatment on rice straw biomass was carried out with the addition of 0%, 3% and 5% NaOH (w/w rice straw) for one hour at a temperature of 140 °C. This study showed that hydrothermal and alkaline hydrothermal pretreatments were able to increase organic degradation of rice straw as indicated by an increase in the dissolution of lignin and hemicellulose from rice straw. Temperature and NaOH worked synergistically to dissol

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Olugbemide, Akinola David, Ana Oberlintner, Uroš Novak, and Blaž Likozar. "Lignocellulosic Corn Stover Biomass Pre-Treatment by Deep Eutectic Solvents (DES) for Biomethane Production Process by Bioresource Anaerobic Digestion." Sustainability 13, no. 19 (2021): 10504. http://dx.doi.org/10.3390/su131910504.

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The valorization study of the largely available corn stover waste biomass after pretreatment with deep eutectic solvent (DES) for biomethane production in one-liter glass bioreactors by anaerobic digestion for 21 days was presented. Ammonium thiocyanate and urea deep eutectic solvent pretreatments under different conditions in terms of the components ratio and temperature were examined on corn stover waste biomass. The lignocellulose biomass was characterized in detail for its chemistry and morphology to determine the effect of the pretreatment on the natural biocomposite. Furthermore, the imp

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Slavens, Shelyn, Stephen M. Marek, and Mark R. Wilkins. "Effects of Copper, Manganese, and Glucose on the Induction of Ligninolytic Enzymes Produced by Pleurotus ostreatus during Fungal Pretreatment of Switchgrass." Transactions of the ASABE 62, no. 6 (2019): 1673–81. http://dx.doi.org/10.13031/trans.13446.

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Abstract. produces laccase and manganese peroxidase (MnP) to selectively degrade lignin and can be used as a biological pretreatment of lignocellulose biomass to enhance ethanol production. Exogenous copper and manganese have been reported to increase production of laccase and MnP, respectively. The effects of supplementing copper, manganese, or glucose to switchgrass inoculated with on ligninolytic enzyme activity were evaluated. Solutions of copper, manganese, glucose, or water were added with and without fungal inoculum at 75% moisture for 40 d at 28°C. Ligninolytic enzyme activities and bi

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Li, Jingyang, Fei Liu, Hua Yu, et al. "Diverse Banana Pseudostems and Rachis Are Distinctive for Edible Carbohydrates and Lignocellulose Saccharification towards High Bioethanol Production under Chemical and Liquid Hot Water Pretreatments." Molecules 26, no. 13 (2021): 3870. http://dx.doi.org/10.3390/molecules26133870.

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Banana is a major fruit crop throughout the world with abundant lignocellulose in the pseudostem and rachis residues for biofuel production. In this study, we collected a total of 11 pseudostems and rachis samples that were originally derived from different genetic types and ecological locations of banana crops and then examined largely varied edible carbohydrates (soluble sugars, starch) and lignocellulose compositions. By performing chemical (H2SO4, NaOH) and liquid hot water (LHW) pretreatments, we also found a remarkable variation in biomass enzymatic saccharification and bioethanol produc

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Hamonangan Panjaitan, Jabosar Ronggur, and Misri Gozan. "TECHNO-ECONOMIC EVALUATION OF NITROCELLULOSE PRODUCTION FROM PALM OIL EMPTY FRUIT BUNCHES." ASEAN Engineering Journal 11, no. 4 (2021): 246–54. http://dx.doi.org/10.11113/aej.v11.18037.

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Nitrocellulose is a cellulose derivative that has many potential applications. Nitrocellulose can bemade through nitration reactions by reacting cellulose and nitric acid at low temperatures. Cellulose can be obtained from lignocellulose biomass such as palm oil empty fruit bunches (POEFBs). In this study, techno-economic evaluation of nitrocellulose production from POEFBs was investigated with various types of alkaline and acid pretreatments. Pretreatment of POEFBs with alkaline and acid was used to purify cellulose fraction as raw material for nitrocellulose. The combination process of POEFB

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Zahra, Audrey, Seo-Kyoung Lim, and Soo-Jeong Shin. "Characterization of Lignocellulose Nanofibril from Desilicated Rice Hull with Carboxymethylation Pretreatment." Polysaccharides 5, no. 1 (2024): 16–27. http://dx.doi.org/10.3390/polysaccharides5010002.

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Rice hulls have a high-value potential, and the lignocellulose components are underutilized compared to other biomass resources. Pretreatments such as carboxymethylation of the degree of substitutions (DS) are used to prepare lignocellulose nanofibril (LCNF) from desilicated rice hull (DSRH). High-pressure homogenization (HPH) and grinding are used to process nano fibrillation. The composition of LCNF DS of desilicated rice hull was identified using 1H NMR for polysaccharide composition and DS determination, acetone and hot water extraction to evaluate extractives, and Klason lignin for lignin

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Haykir, I. "A comparative study on lignocellulose pretreatments for bioethanol production from cotton stalk." New Biotechnology 25 (September 2009): S253—S254. http://dx.doi.org/10.1016/j.nbt.2009.06.565.

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Zhou, Min, and Xingjun Tian. "Development of different pretreatments and related technologies for efficient biomass conversion of lignocellulose." International Journal of Biological Macromolecules 202 (March 2022): 256–68. http://dx.doi.org/10.1016/j.ijbiomac.2022.01.036.

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Schilling, Jonathan S., Jun Ai, Robert A. Blanchette, Shona M. Duncan, Timothy R. Filley, and Ulrike W. Tschirner. "Lignocellulose modifications by brown rot fungi and their effects, as pretreatments, on cellulolysis." Bioresource Technology 116 (July 2012): 147–54. http://dx.doi.org/10.1016/j.biortech.2012.04.018.

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Zhu, Yikui, Jiawei Huang, Shaolong Sun, Aimin Wu, and Huiling Li. "Effect of Dilute Acid and Alkali Pretreatments on the Catalytic Performance of Bamboo-Derived Carbonaceous Magnetic Solid Acid." Catalysts 9, no. 3 (2019): 245. http://dx.doi.org/10.3390/catal9030245.

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Lignocellulose is a widely used renewable energy source on the Earth that is rich in carbon skeletons. The catalytic hydrolysis of lignocellulose over magnetic solid acid is an efficient pathway for the conversion of biomass into fuels and chemicals. In this study, a bamboo-derived carbonaceous magnetic solid acid catalyst was synthesized by FeCl3 impregnation, followed by carbonization and –SO3H group functionalization. The prepared catalyst was further subjected as the solid acid catalyst for the catalytic conversion of corncob polysaccharides into reducing sugars. The results showed that th

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Chen, Yuanhang, Zhenyun Yan, Long Liang, et al. "Comparative Evaluation of Organic Acid Pretreatment of Eucalyptus for Kraft Dissolving Pulp Production." Materials 13, no. 2 (2020): 361. http://dx.doi.org/10.3390/ma13020361.

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Pretreatment is an essential process for the extensive utilization of lignocellulose materials. The effect of four common organic acid pretreatments for Kraft dissolving pulp production was comparatively investigated. It was found that under acidic conditions, hemicellulose can be effectively removed and more reducing sugars can be recovered. During acetic acid pretreatment, lignin that was dissolved in acetic acid could form a lignin-related film which would alleviate cellulose hydrolysis, while other organic acids caused severe cellulose degradation. Scanning electron microscopy (SEM), Fouri

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Phulpoto, Irfan Ali, Wang Bobo, Muneer Ahmed Qazi, and Zhisheng Yu. "Lipopeptide Biosurfactants Enhanced Biohydrogen Evolution from Lignocellulose Biomass and Shaped the Microbial Community and Diversity." International Journal of Energy Research 2024 (March 7, 2024): 1–15. http://dx.doi.org/10.1155/2024/3084702.

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Biohydrogen is a renewable and clean energy source that can be produced from cheap and abundantly available lignocellulose biomass. However, the complex structure of lignocellulose requires various physicochemical and biological pretreatments, as it exhibits significant resistance to microbial degradation. Biosurfactants can play a vital role in facilitating the microbial degradation of lignocellulose and inducing enzymatic hydrolysis. In addition, they can lower the surface tension to impede lignin-cellulase interactions and alter the lignin characteristics. Indeed, the application of lipopep

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Novia, Novia, Vishnu K. Pareek, Hermansyah Hermansyah, and Asyeni Miftahul Jannah. "Effect of Dilute Acid - Alkaline Pretreatment on Rice Husk Composition and Hydrodynamic Modeling with CFD." Science and Technology Indonesia 4, no. 1 (2019): 18. http://dx.doi.org/10.26554/sti.2019.4.1.18-23.

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The high cellulosic content of rice husk can be utilized as a feedstock for pulp and biofuel. Pretreatment is necessary to break the bonds in the complex lignocellulose matrices addressing the cellulose access. This work aims to utilize the rice husk using dilute acid and alkaline pretreatment experimentally and CFD modeling. The study consists of three series of research. The first stage was the dilute acid pretreatment with sulfuric acid concentration of 1% to 5% (v/v) at 85°C for 60 minutes, and alkaline pretreatment with NaOH concentration of 1% to 5% (w/v) at 85oC for 30 minutes separatel

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Yan, Ming, Ting Wu, Jinxia Ma, Hailong Lu, and Xiaofan Zhou. "A systematic study of lignocellulose nanofibrils (LCNF) prepared from wheat straw by varied acid pretreatments." Industrial Crops and Products 185 (October 2022): 115126. http://dx.doi.org/10.1016/j.indcrop.2022.115126.

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Zhen, Cheng, Hongnan Sun, Mengmei Ma, Taihua Mu, and Marco Garcia-Vaquero. "Applications of modified lignocellulose and its composites prepared by different pretreatments in biomedicine: A review." International Journal of Biological Macromolecules 301 (April 2025): 140347. https://doi.org/10.1016/j.ijbiomac.2025.140347.

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Saini, Anita, Neeraj K. Aggarwal, Anuja Sharma, and Anita Yadav. "Prospects for Irradiation in Cellulosic Ethanol Production." Biotechnology Research International 2015 (December 29, 2015): 1–13. http://dx.doi.org/10.1155/2015/157139.

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Second generation bioethanol production technology relies on lignocellulosic biomass composed of hemicelluloses, celluloses, and lignin components. Cellulose and hemicellulose are sources of fermentable sugars. But the structural characteristics of lignocelluloses pose hindrance to the conversion of these sugar polysaccharides into ethanol. The process of ethanol production, therefore, involves an expensive and energy intensive step of pretreatment, which reduces the recalcitrance of lignocellulose and makes feedstock more susceptible to saccharification. Various physical, chemical, biological

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Falls, M., D. Meysing, C. Liang, et al. "Development of highly digestible animal feed from lignocellulosic biomass Part 2: Oxidative lime pretreatment (OLP) and shock treatment of corn stover1." Translational Animal Science 1, no. 2 (2017): 215–20. http://dx.doi.org/10.2527/tas2017.0025.

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Abstract Oxidative lime pretreatment (OLP) increases lignocellulose digestibility by removing lignin and hemicellulose acetyl content. Digestibility is improved further by adding mechanical shock treatment, which subjects aqueous slurry of biomass to an explosive pressure pulse. Shock treatment mechanically disrupts the microscopic structure while maintaining the macroscopic integrity of the biomass particle. This study determined the effectiveness of these pretreatments to enhance the ruminant digestibility of corn stover. In terms of compositional changes, OLP and shock treatment should nega

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Xu, Ning, Wei Zhang, Shuangfeng Ren, et al. "Hemicelluloses negatively affect lignocellulose crystallinity for high biomass digestibility under NaOH and H2SO4 pretreatments in Miscanthus." Biotechnology for Biofuels 5, no. 1 (2012): 58. http://dx.doi.org/10.1186/1754-6834-5-58.

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Zhang, Wei, Zili Yi, Jiangfeng Huang, et al. "Three lignocellulose features that distinctively affect biomass enzymatic digestibility under NaOH and H2SO4 pretreatments in Miscanthus." Bioresource Technology 130 (February 2013): 30–37. http://dx.doi.org/10.1016/j.biortech.2012.12.029.

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Dziekońska-Kubczak, Urszula, Joanna Berłowska, Piotr Dziugan, et al. "Comparison of steam explosion, dilute acid, and alkali pretreatments on enzymatic saccharification and fermentation of hardwood sawdust." BioResources 13, no. 3 (2018): 6970–84. http://dx.doi.org/10.15376/biores.13.3.6970-6984.

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Effects were compared for three low-cost pretreatment methods (dilute acid, alkali, and steam explosion) relative to the effectiveness of environmentally friendly enzymatic hydrolysis and ethanol fermentation of aspen, birch, and oak chips. The highest monomeric sugar yield was achieved with the alkali pretreatment of the aspen chips (22 g/L of glucose and 6 g/L of xylose). Additionally, the concentration of lignocellulose degradation products formed during this pretreatment was relatively low, and so the hydrolysis and fermentation efficiencies were 80% and 85%, respectively. The application

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Sanchez-Salvador, Jose Luis, Mariana P. Marques, Margarida S. C. A. Brito, et al. "Valorization of Vegetable Waste from Leek, Lettuce, and Artichoke to Produce Highly Concentrated Lignocellulose Micro- and Nanofibril Suspensions." Nanomaterials 12, no. 24 (2022): 4499. http://dx.doi.org/10.3390/nano12244499.

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Vegetable supply in the world is more than double than vegetable intake, which supposes a significant waste of vegetables, in addition to the agricultural residues produced. As sensitive food products, the reasons for this waste vary from the use of only a part of the vegetable due to its different properties to the product appearance and market image. An alternative high-added-value application for these wastes rich in cellulose could be the reduction in size to produce lignocellulose micro- and nanofibrils (LCMNF). In this sense, a direct treatment of greengrocery waste (leek, lettuce, and a

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Malik, Kamran, El-Sayed Salama, Tae Hyun Kim, and Xiangkai Li. "Enhanced ethanol production by Saccharomyces cerevisiae fermentation post acidic and alkali chemical pretreatments of cotton stalk lignocellulose." International Biodeterioration & Biodegradation 147 (February 2020): 104869. http://dx.doi.org/10.1016/j.ibiod.2019.104869.

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Guo, Haobo, Zhaofeng Chang, Zhiyong Lu, et al. "Enhanced humification of full-scale apple wood and cow manure by promoting lignocellulose degradation via biomass pretreatments." Science of The Total Environment 929 (June 2024): 172646. http://dx.doi.org/10.1016/j.scitotenv.2024.172646.

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Li, Fengcheng, Shuangfeng Ren, Wei Zhang, et al. "Arabinose substitution degree in xylan positively affects lignocellulose enzymatic digestibility after various NaOH/H2SO4 pretreatments in Miscanthus." Bioresource Technology 130 (February 2013): 629–37. http://dx.doi.org/10.1016/j.biortech.2012.12.107.

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Rofiqah, U., A. Safitri, and Fadhilah. "Study of delignification process and crystallinity index on lignocellulose components of corn cob in different pretreatments: a combination of pretreatment (ionic choline acetate and NaOH) and NaOH pretreatment." IOP Conference Series: Materials Science and Engineering 625 (September 30, 2019): 012029. http://dx.doi.org/10.1088/1757-899x/625/1/012029.

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