Chemical and thermochemical methods on lignocellulosic biorefinery

Balan, Venkatesh; Jin, Mingjie; Ubanwa, Bryan

doi:10.1016/b978-0-12-818223-9.00005-9

Cited by 5 publications

(3 citation statements)

References 173 publications

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“…41 The pretreatment methods influence the long-term storage of the biomass, the concentration of the pretreated biomass and creation of inhibitors in the medium. 42 An alternative method employing ionic liquid for the pretreatment of lignocellulosic biomass has proven successful. 43 A study on employing seawater-based ionic liquid in the pretreatment of lignocellulosic biomass concluded that the use of seawater renders no negative effect on the pretreatment as well as the enzymatic hydrolysis of biomass obtained.…”

Section: Fermentation Strategies For Sco Production Fermentation Feed...mentioning

confidence: 99%

Recent Advances in using Lipomyces starkeyi for the Production of Single-Cell Oil

Jacob¹,

Mathew²

2023

J. Pure Appl. Microbiol.

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The clean energy demand and limited fossil fuel reserves require an alternate source that is sustainable and eco-friendly. This demand for clean energy steered the introduction of biofuels such as bioethanol and biodiesel. The third-generation biodiesel is promising as it surpasses the difficulties associated with food security and land usage. The third-generation biodiesel comprises biodiesel derived from oil produced by oleaginous microbes. The term oleaginous refers to microbes with the ability to accumulate lipids to about 20% of the biomass and is found in the form of triacylglycerols. Yeasts can be grown easily on a commercial scale and are amenable to modifications to increase single-cell oil (SCO) productivity. The oleaginous yeast L. starkeyi is a potential lipid producer that can accumulate up to 70% of SCO of its cell dry weight under optimum conditions. Compared to other oleaginous organisms, it can be grown on a wide range of feedstock and a good part of the lipid produced can be converted to biodiesel. This review presents the recent advances in single-cell oil production from L starkeyi and strategies to increase lipid production are analyzed.

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Section: Fermentation Strategies For Sco Production Fermentation Feed...mentioning

confidence: 99%

Recent Advances in using Lipomyces starkeyi for the Production of Single-Cell Oil

Jacob¹,

Mathew²

2023

J. Pure Appl. Microbiol.

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“…Biomass can be treated to varying degrees, including as raw material, modified biomass, biopolymers, modified polymers, monomers, modified monomers, and chemicals 29,53–56 . Multiple transformation methods can be used – for example mechanical, mechanochemical, biochemical, chemical, thermochemical, or thermal 7,29,30,56–58 . From a technological perspective, various steps are being developed such as pre‐treatment, dissolution, chemical modification, depolymerization, chemical conversion, and fractionation / separation 59,60 .…”

Section: Opportunities Progress and Solutions For Sustainable Development Of The Bioeconomymentioning

confidence: 99%

More sustainable biomass production and biorefining to boost the bioeconomy

Gajula

Reddy

2021

Biofuels Bioprod Bioref

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The ongoing saga of the fossil carbon‐based economy affects the wellbeing of this planet and its associated life forms, including humans. Although the bioeconomy is widely advocated as a solution, it is not growing quickly enough due to various challenges. Here, we discuss emerging opportunities to overcome these barriers and enhance the bioeconomy's potential to contribute to achieving the United Nations' Sustainable Development Goals as a result of developments in biomass production and biorefining. A brief overview of current advances in biomass production, biorefining, and products together with their applications is provided. A comprehensive vision for the development of a sustainable bioeconomy is also given. Leveraging scientific and technological advances along with the support of modeling, assessment, and analyses, can help to address the sustainability concerns of the bioeconomy and accelerate its progress toward a carbon‐neutral future while strengthening bioeconomy concepts of contributing to equitable economic growth based on holistic sustainable development in harmony with nature. © 2021 Society of Industrial Chemistry and John Wiley & Sons Ltd.

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“…Many pretreatment methods such as biological, physical and chemical treatments have been developed [4]. AFEX pretreatment is a feasible and effective mild alkaline pretreatment method and minimal inhibitory degradation products are generated during pretreatment [5].…”

Section: Introductionmentioning

confidence: 99%

Tuning surface properties of corn stover through ammonium and sodium sulfite (ASS) pretreatment for enhanced enzymatic hydrolysis

Chen,

Yang,

Ouyang

et al. 2024

Preprint

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The ammonia fiber expansion (AFEX) pretreatment of lignocellulosic biomass offers a significant advantage in terms of obtaining high glucan conversion, with the added benefit of ammonia being fully recyclable. However, despite the high efficiency of AFEX in pretreating lignocellulose, relatively high enzyme loading is still required for effective cellulose conversions. In this study, we have updated the AFEX pretreatment method by supplementing additional sodium sulfite (ASS), which can be used to produce a more digestible substrate. The results demonstrate that ASS-pretreated corn stover (CS) yields a higher fermentable sugar yield compared with AFEX pretreatment, even at lower enzyme loadings. Specifically, at an enzyme loading of 12 mg protein/g glucan, ASS-CS achieved 88.8% glucose and 80.6% xylose yield. Characterization analysis reveals that lignin underwent sulfonation during ASS pretreatment. This modification results in a more negative zeta potential for ASS-CS, indicating a reduction in nonproductive adsorption between lignin and cellulase through increased electrostatic repulsion.

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Chemical and thermochemical methods on lignocellulosic biorefinery

Cited by 5 publications

References 173 publications

Recent Advances in using Lipomyces starkeyi for the Production of Single-Cell Oil

Recent Advances in using Lipomyces starkeyi for the Production of Single-Cell Oil

More sustainable biomass production and biorefining to boost the bioeconomy

Tuning surface properties of corn stover through ammonium and sodium sulfite (ASS) pretreatment for enhanced enzymatic hydrolysis

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