Low-temperature hydrothermal liquefaction of pomelo peel for production of 5-hydroxymethylfurfural-rich bio-oil using ionic liquid loaded ZSM-5

Wei, Yingyuan; Fakudze, Sandile; Shao, Min; Xue, Tianjiao; Xie, Ruiyan; Chen, Jianqiang

doi:10.1016/j.biortech.2022.127050

Cited by 16 publications

(5 citation statements)

References 49 publications

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“…These H + subsequently catalyze cellulose hydrolysis homogeneously to produce cellobiose (6.83 × 10.76 × 10.66 Å 3 ) and glucose. 53 Because of the large diameter of cellulose macromolecules, the cellulose hydrolysis process occurs in the reaction solvent rather than inside the channels of the nanoreactors. However, glucose molecules can enter these channels through shape selectivity of the NiO/PVP-HPA@ SBA-15 nanoreactor and undergo interactions with the NiO nanoparticles inside the channels.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…The [BMIM] + cations then ion-exchanged with the Brønsted acid sites HPA of the NiO/PVP-HPA@SBA-15 nanoreactor to release H + into the reaction system. These H + subsequently catalyze cellulose hydrolysis homogeneously to produce cellobiose (6.83 × 10.76 × 10.66 Å 3 ) and glucose . Because of the large diameter of cellulose macromolecules, the cellulose hydrolysis process occurs in the reaction solvent rather than inside the channels of the nanoreactors.…”

Section: Resultsmentioning

confidence: 99%

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Insights into Shape Selectivity and Acidity Control in NiO-Loaded Mesoporous SBA-15 Nanoreactors for Catalytic Conversion of Cellulose to 5-Hydroxymethylfurfural

Yin

et al. 2022

ACS Sustainable Chem. Eng.

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Facilitated isomerization of cellulose hydrolysis intermediate glucose without unexpected byproducts, which is the rate-determining step in the production of high-value-added biofuels, enables the efficient production of 5-hydroxymethylfurfural (5-HMF) from cellulose. In this work, considering the essential role of the acidity control and shape selectivity of a zeolite catalyst, a NiO-loaded mesoporous NiO/poly(vinyl pyrrolidone) (PVP)-phosphotungstic acid (HPA)@SBA-15 nanoreactor was prepared. This SBA-15 nanoreactor with a pore size of 5.47 nm reduced the concentration of byproducts formic acid (FA) and levulinic acid (LA) through shape selection for intermediates. Well-defined NiO nanoparticles (Ni-to-carrier mass ratio was 1:1) provided the NiO/PVP-HPA@SBA-15 nanoreactor a high Lewis acidity of 99.29 μmol g–1 for glucose catalytic isomerization, resulting in an increase in total reducing sugar (TRS) yield by 5 times. Such a nanoreactor remarkably improved the reaction efficiency of 5-HMF production from cellulose (a 5-HMF selectivity of 95.81%) in the 1-butyl-3-methylimidazolium chloride ([BMIM]Cl)/valerolactone (GVL) biphasic system.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Insights into Shape Selectivity and Acidity Control in NiO-Loaded Mesoporous SBA-15 Nanoreactors for Catalytic Conversion of Cellulose to 5-Hydroxymethylfurfural

Yin

et al. 2022

ACS Sustainable Chem. Eng.

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“…[ 38 , 39 ] The addition of a surfactant to the acid‐catalyzed HTC system probably react with the degraded components in the surfactant domain to form a hydrotchar with improved carbonization strength and surface properties. [ 40 ] In fact, addition of Span 80 as a surfactant to citric acid‐catalyzed HTC significantly increased the mass yield of hydrothermal carbide from 39.04% to 63.45% and HHV from 24.122 to 31.302 MJ kg −1 , respectively. [ 41 ]…”

Section: Hydrothermal Carbonization Processmentioning

confidence: 99%

“…In this case, removing the coexisting impurities and increasing the silica content will yield higher‐quality materials thus research is being conducted on the removal of impurities by acid leaching using hydrochloric acid, sulfuric acid, and carboxylic acids, including citric acid, acetic acid, oxalic acid, and gluconic acid. [ 40 , 41 , 42 , 43 , 44 , 45 ]…”

Section: Separation Technology For Carbon and Silica Componentsmentioning

confidence: 99%

Progress on Separation and Hydrothermal Carbonization of Rice Husk Toward Environmental Applications

et al. 2023

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Owing to the increasing global demand for carbon resources, pressure on finite materials, including petroleum and inorganic resources, is expected to increase in the future. Efficient utilization of waste resources has become crucial for sustainable resource acquisition for creating the next generation of industries. Rice husks, which are abundant worldwide as agricultural waste, are a rich carbon source with a high silica content and have the potential to be an effective raw material for energy‐related and environmental purification materials such as battery, catalyst, and adsorbent. Converting these into valuable resources often requires separation and carbonization; however, these processes incur significant energy losses, which may offset the benefits of using biomass resources in the process steps. This review summarizes and discusses the high value of RHs, which are abundant as agricultural waste. Technologies for separating and converting RHs into valuable resources by hydrothermal carbonization are summarized based on the energy efficiency of the process.

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“…PP is rich in monosaccharides (glucose), disaccharides (fructose, sucrose), polysaccharides (cellulose, hemicellulose, pectin), and lignin, which are suitable for biofuel production. Various kinds of thermochemistry and biochemistry, as well as their combined processes, are used to recover bioenergy from PP [16,17]. Among many treatment technologies of PP, HTC is considered to be an environmentally friendly thermochemical conversion technology, which mainly converts PP into hydrochar under autogenous pressure (2-10 MPa) at 150-250 • C in a closed reactor (autoclave).…”

Section: Introductionmentioning

confidence: 99%

Recycling Pomelo Peel Waste in the Form of Hydrochar Obtained by Microwave-Assisted Hydrothermal Carbonization

Wang

et al. 2022

Materials

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Pomelo peel (PP) is a kind of solid waste that is produced in the processing industry of honey pomelo. This study deeply explored the feasibility of recycling PP in the form of hydrochar (HC) by microwave-assisted hydrothermal carbonization (HTC) technology. Under the non-catalytic reaction conditions, the yield of hydrochar initially increased with the rise of reaction temperature (150–210 °C) until it remained relatively stable after 210 °C. Under the CaO-catalytical reaction condition, the yield of hydrochar did not change much at first (150–190 °C) but decreased significantly when the reaction temperature exceeded 190 °C. After the microwave-assisted HTC treatment, the PP-derived HC presented higher aromaticity, carbonization degree, porosity, and caloric value. Compared with raw PP, the nutrients in HC were more stable (conducive to being used as slow-release fertilizer). The application of CaO increased the pH value of HC and effectively promoted the accumulation of phosphorus in HC. The HC produced at 210 °C without any catalyst possessing a high devolatilization ability. Additionally, the HC obtained at 190 °C with CaO as the catalyst presented a high combustion property. In general, PP-derived HC showed great application potential in the field of soil remediation/improvement and solid fuels. This preliminary study would undoubtedly provide some important fundamental understanding of the microwave-assisted HTC of PP.

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Low-temperature hydrothermal liquefaction of pomelo peel for production of 5-hydroxymethylfurfural-rich bio-oil using ionic liquid loaded ZSM-5

Cited by 16 publications

References 49 publications

Insights into Shape Selectivity and Acidity Control in NiO-Loaded Mesoporous SBA-15 Nanoreactors for Catalytic Conversion of Cellulose to 5-Hydroxymethylfurfural

Insights into Shape Selectivity and Acidity Control in NiO-Loaded Mesoporous SBA-15 Nanoreactors for Catalytic Conversion of Cellulose to 5-Hydroxymethylfurfural

Progress on Separation and Hydrothermal Carbonization of Rice Husk Toward Environmental Applications

Recycling Pomelo Peel Waste in the Form of Hydrochar Obtained by Microwave-Assisted Hydrothermal Carbonization

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