Optimization of Cosolvent Enhanced Lignocellulosic Fractionation for Isolating Switchgrass Lignin with Distinct Structural Features Using Response Surface Methodology DOI Creative Commons
James Godwin, Hojae Yi, Kendhl Seabright

et al.

ACS Sustainable Resource Management, Journal Year: 2024, Volume and Issue: 1(10), P. 2266 - 2275

Published: Oct. 10, 2024

Pretreatment and fractionation technologies have been used to separate isolate biomass polymers for conversion into fuels, chemicals, other products. A great deal of work has focused on dialing in reaction conditions (e.g., time, temperature, acid concentration, etc.) that are amenable isolating an uncondensed lignin product could be converted high value aromatic platform molecules. severity emerged as a term combines concentration single can compare various pretreatment technologies. However, combining the effects these term, while convenient, confounds quality, both individually when they combined with each other. Moreover, reactors do not "knob," several different sets mathematically achieve same but resulting slate. In this study, we set out model time (10–30 min), temperature (140–180 °C), (0.025–0.1 M H2SO4) yield (up quantitative), molecular weight (Mw = 700–2000 g/mol), hydroxyl group content (3.55–6.06 mmol OH/g) using co-solvent enhanced lignocellulosic (CELF) process switchgrass. Our results show is most sensitive additional 4.96% per 10 mM acid. addition, decrease 77.9 g/mol 19.3 °C. total decreases at rate 89 μmol OH g min short (t 12 min, T 160 °C) increases 125 long 28 °C). Finally, our demonstrate residence does statistically significant effect or within studied ranges, which implications continuous flow-through processes, where times lead substantial cost savings. Overall, practitioners design maximizes one more industrially relevant properties by exerting careful control conditions, ultimately greater utilization

Language: Английский

Photoelectrocatalytic Pathway for the Preparation of Power‐Effective Aviation Fuel Precursors from Lignin DOI Open Access
Bowen Liu, Yi Qi, Xueqing Qiu

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

Abstract The conversion of lignin into aviation fuel offers a promising, energy‐efficient route for sustainable jet production. key to this transformation lies in the selective hydrogenation lignin's aromatic rings, deoxygenation its oxygen‐containing and phenolic hydroxyl groups, cleavage bonds between polycyclic hydrocarbons. Using phosphorus‐doped CoMn‐P catalyst, electrochemical lignin, assisted by light, can reduce energy consumption ≈20%, resulting significant yield hydrocarbons cycloalkanes. Phosphorus doping modulates catalyst's electronic structure, enhancing adsorption β─O─4 bonds, methoxy thereby enabling with low reaction barrier. This approach provides an innovative pathway directly converting hydrocarbon mixtures suitable fuel.

Language: Английский

Citations

4
Catalytic depolymerization of Camellia oleifera shell lignin to phenolic monomers: Insights into the effects of solvent, catalyst and atmosphere DOI

Shukun Qiu,

Xudong Liu, Yiying Wu

et al.

Bioresource Technology, Journal Year: 2024, Volume and Issue: 412, P. 131365 - 131365

Published: Aug. 28, 2024

Language: Английский

Citations

4
Manganese Atom-Induced Lattice Distortion in Fe3O4 to Boost Selective Transfer Hydrogenation of Unsaturated Oxygenates DOI
Jiaxing Zhang, Liang Yu, Yingxiong Wang

et al.

ACS Catalysis, Journal Year: 2025, Volume and Issue: unknown, P. 7505 - 7515

Published: April 21, 2025

Language: Английский

Citations

0
Catalytic Transfer Hydrodeoxygenation of Lignin-Derived Phenolic Compounds over RuMo/NC with Isopropanol as In Situ Hydrogen Source DOI
Dong Luo, Xin Gao, Ping Lu

et al.

Energy & Fuels, Journal Year: 2025, Volume and Issue: unknown

Published: April 22, 2025

Language: Английский

Citations

0
Optimization of Cosolvent Enhanced Lignocellulosic Fractionation for Isolating Switchgrass Lignin with Distinct Structural Features Using Response Surface Methodology DOI Creative Commons
James Godwin, Hojae Yi, Kendhl Seabright

et al.

Published: Aug. 1, 2024

Pretreatment and fractionation technologies have been used to separate isolate biomass polymers for conversion into fuels, chemicals, other products. A great deal of work has focused on dialing in reaction conditions (e.g., time, temperature, acid concentration, etc.) that are amenable isolating an uncondensed lignin product could be converted high value aromatic platform molecules. severity emerged as a term combines concentration single can compare various pretreatment technologies. However, combining the effects these term, while convenient, confounds quality, both individually when combined with each other. Moreover, reactors do not “knob,” several different sets mathematically achieve same but resulting slate. In this study, we set out model time (10-30 min), temperature (140-180 °C), (0.025-0.1 M H2SO4) yield (up quantitative), molecular weight (Mw = 700-2000 g/mol), hydroxyl group content (3.55-6.06 mmol OH/g) using co-solvent enhanced lignocellulosic (CELF) process switchgrass. Our results show is sensitive (i.e., higher leads yield), affect lignin, features cannot maximized (or minimized) simultaneously. our demonstrate residence does statistically significant effect or within studied ranges, which implications continuous flow-through processes, where short times lead substantial cost savings. Overall, practitioners design maximizes one more industrially relevant properties by exerting careful control conditions, ultimately greater utilization

Language: Английский

Citations

1
Glycerol-derived ethers enable hydrogen-free reductive catalytic fractionation of softwood lignin into functionalized aromatic monomers DOI Creative Commons
Bernard Chukwuemeka Ekeoma, Jason E. Bara, James D. Sheehan

et al.

RSC Sustainability, Journal Year: 2024, Volume and Issue: 2(10), P. 2851 - 2870

Published: Jan. 1, 2024

H 2 -free RCF with glycerol-derived ethers facilitates the production of functionalized aromatic monomers.

Language: Английский

Citations

0
Optimization of Cosolvent Enhanced Lignocellulosic Fractionation for Isolating Switchgrass Lignin with Distinct Structural Features Using Response Surface Methodology DOI Creative Commons
James Godwin, Hojae Yi, Kendhl Seabright

et al.

ACS Sustainable Resource Management, Journal Year: 2024, Volume and Issue: 1(10), P. 2266 - 2275

Published: Oct. 10, 2024

Pretreatment and fractionation technologies have been used to separate isolate biomass polymers for conversion into fuels, chemicals, other products. A great deal of work has focused on dialing in reaction conditions (e.g., time, temperature, acid concentration, etc.) that are amenable isolating an uncondensed lignin product could be converted high value aromatic platform molecules. severity emerged as a term combines concentration single can compare various pretreatment technologies. However, combining the effects these term, while convenient, confounds quality, both individually when they combined with each other. Moreover, reactors do not "knob," several different sets mathematically achieve same but resulting slate. In this study, we set out model time (10–30 min), temperature (140–180 °C), (0.025–0.1 M H2SO4) yield (up quantitative), molecular weight (Mw = 700–2000 g/mol), hydroxyl group content (3.55–6.06 mmol OH/g) using co-solvent enhanced lignocellulosic (CELF) process switchgrass. Our results show is most sensitive additional 4.96% per 10 mM acid. addition, decrease 77.9 g/mol 19.3 °C. total decreases at rate 89 μmol OH g min short (t 12 min, T 160 °C) increases 125 long 28 °C). Finally, our demonstrate residence does statistically significant effect or within studied ranges, which implications continuous flow-through processes, where times lead substantial cost savings. Overall, practitioners design maximizes one more industrially relevant properties by exerting careful control conditions, ultimately greater utilization

Language: Английский

Citations

0