Production of bio-oil from agricultural waste by using a continuous fast microwave pyrolysis system

Wang, Yunpu; Zeng, Zihong; Tian, Xiaojie; Dai, Leilei; Jiang, Ling; Zhang, Shumei; Wu, Qiuhao; Wen, Pingwei; Fu, Guiming; Liu, Yuhuan; Ruan, Roger

doi:10.1016/j.biortech.2018.08.067

Cited by 99 publications

(25 citation statements)

References 43 publications

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“…The composition of rice straw varies with its source/origin. In this study, we observed cellulose contents in rice straw biomass similar to those reported previously, in the range of 35.5–36.7% . After pretreatment with sulfuric acid with three different concentrations (0.1%, 0.5%, and 1.0%), the cellulose and lignin contents were significantly increased.…”

Section: Resultssupporting

confidence: 89%

Enhanced Saccharification and Fermentation of Rice Straw by Reducing the Concentration of Phenolic Compounds Using an Immobilized Enzyme Cocktail

Kumar

Patel

Gupta

et al. 2019

Biotechnology Journal

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The production of bioethanol from rice straw can contribute to the rural economy and provide clean fuel in a sustainable manner. However, phenolic compounds, which are mostly produced during acid pretreatment of biomass, act as inhibitors of fermenting microorganisms. Laccase is well known for its ability to oxidize lignin and phenolic compounds derived from lignocellulosic biomass. In the present study, an immobilized enzyme cocktail containing laccase was isevaluated in regard to its ability to enhance the saccharification and fermentation processes by reducing the amount of phenolic compounds produced. Saccharification of rice straw with the laccase‐supplemented immobilized enzyme cocktail reduced phenolic compounds by 73.8%, resulting in a saccharification yield of 84.6%. In addition, improved yeast performance was is noted during the fermentation process, resulting in a 78.3% conversion of sugar into ethanol with an ethanol productivity of 0.478 g/L/h. To the best of our knowledge, this is the first description of the use of an immobilized enzyme cocktail comprised of Celluclast 1.5L, β‐glucosidase, and laccase for the production of bioethanol from rice straw. This study details a potential approach to producing biofuels from agricultural biomass, the applicability of which can be improved through up‐scaling.

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Section: Resultssupporting

confidence: 89%

Enhanced Saccharification and Fermentation of Rice Straw by Reducing the Concentration of Phenolic Compounds Using an Immobilized Enzyme Cocktail

Kumar

Patel

Gupta

et al. 2019

Biotechnology Journal

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“…A continuous reactor for fast MAP was developed by Wang et al [106] for achieving bio-oil production of up to 30 wt.%. In this case, the authors developed a lab-scale unit without considering an industrial scale-up.…”

Section: Map Of Woody Biomassmentioning

confidence: 99%

A Review of Bio-Oil Production through Microwave-Assisted Pyrolysis

et al. 2021

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The issue of sustainability is a growing concern and has led to many environmentally friendly chemical productions through a great intensification of the use of biomass conversion processes. Thermal conversion of biomass is one of the most attractive tools currently used, and pyrolytic treatments represent the most flexible approach to biomass conversion. In this scenario, microwave-assisted pyrolysis could be a solid choice for the production of multi-chemical mixtures known as bio-oils. Bio-oils could represent a promising new source of high-value species ranging from bioactive chemicals to green solvents. In this review, we have summarized the most recent developments regarding bio-oil production through microwave-induced pyrolytic degradation of biomasses.

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“…Bio‐oil can be utilized in various applications such as heat and power generation, as liquid fuels, and raw chemical products. Bio‐oil production can be accomplished through slow pyrolysis, fast pyrolysis, microwave pyrolysis, and hydrothermal liquefaction processes (Biswas et al, 2017; Chen et al, 2009; Gao, Yang, Qin, & Sun, 2016; Wang et al, 2018). Among these, fast pyrolysis and thermal liquefaction processes have been most widely adopted for the production of bio‐oil.…”

Section: Bio‐oilmentioning

confidence: 99%

“…Mohamed, 2018 reported (0.25 g/g) heavy bio‐oil yield from corn sticks through liquefaction. Wang et al reported bio‐oil extraction from rice straw (31.86%) and C amellia oleifera shell by using a continuous fast microwave‐assisted pyrolysis system (Wang et al, 2018). Chen et al reported bio‐oil extraction from FW by the hydrothermal liquefaction system (Chen et al, 2009).…”

Section: Bio‐oilmentioning

confidence: 99%

Present scenario and future scope of food waste to biofuel production

Dhiman

Mukherjee

2020

J Food Process Engineering

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Food waste is the outcome of different food processing practices that have not been reused and are disposed of as waste. Food wastes are rich in a wide variety of organic constituents including starches, proteins, oils, fats, phosphates, nutrients, amino acids, and natural acids. Food waste is a zero‐value and nonconsumable resource. In this context, the valorization of food waste to different sorts of biofuels, for example, biodiesel, bioethanol, biohydrogen, bio‐oil, biochar, and biomethane by employing well‐structured and efficient valorization technologies can be an attractive and viable approach to counter the current global energy crisis and in establishing a sustainable bioeconomy. This type of food waste management not only resolves the serious pollution problem but also helps to reduce the dependency of the energy sector on fossil fuels. This review discusses the characteristics of food waste, common strategies for food waste management, food waste as a feedstock, biofuels as a renewable energy source, valorization of food waste to various types of biofuels, microbes‐assisted valorization of food waste, biofuels and bioeconomy, and future scope and challenges in the valorization of food waste to biofuels.

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Production of bio-oil from agricultural waste by using a continuous fast microwave pyrolysis system

Cited by 99 publications

References 43 publications

Enhanced Saccharification and Fermentation of Rice Straw by Reducing the Concentration of Phenolic Compounds Using an Immobilized Enzyme Cocktail

Enhanced Saccharification and Fermentation of Rice Straw by Reducing the Concentration of Phenolic Compounds Using an Immobilized Enzyme Cocktail

A Review of Bio-Oil Production through Microwave-Assisted Pyrolysis

Present scenario and future scope of food waste to biofuel production

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