Mechanocatalysis for biomass-derived chemicals and fuels

Hick, Sandra M.; Griebel, Carolin; Restrepo, David T.; Truitt, Joshua; Buker, Eric J.; Bylda, Caroline; Blair, Richard G.

doi:10.1039/b923079c

Cited by 196 publications

(187 citation statements)

References 49 publications

(23 reference statements)

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“…Acidic catalysts can effectively convert cellulose into HMF by hydrolyzing cellulose to glucose, isomerizing the glucose to fructose, and dehydroyzing the fructose to HMF (Hick et al 2010;Cao et al 2011;Lai and Zhang 2011); this is an important factor in the depolymerization of cellulose. Usually, these processes contain HMF, FF, glucose, fructose, formic acid, levulinic acid, and other byproducts.…”

Section: Resultsmentioning

confidence: 99%

Conversion of Cellulose to 5-Hydroxymethylfurfural using Inorganic Acidic Catalysts in the Presence of Pressurized Water Steam

Cai¹,

Liu²,

Tan³

et al. 2017

BioResources

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Traditionally, 5-hydroxymethylfurfural (HMF) is produced by using a waterorganic solvent medium, which inevitably increases production costs and adds subsequent separation processes. To minimize cost and/or toxic organic solvent usage, this study presents an effective pathway for producing HMF from cellulose. The process uses a fixed bed reactor with a steam stripping process in which the cellulose is converted into HMF and other products in the presence of acidic inorganic salts. In the process, the cellulose was hydrolyzed to glucose, which was followed by isomerization to fructose and fructose dehydration into HMF. The produced HMF was easily vaporized into the gas phase, which avoided its conversion into undesired byproducts. An acceptable HMF yield of 28.2 mol% was obtained using KH2PO4 as the catalyst at 270 °C. This technology could be used to obtain both HMF and furfural (FF) from different lignocellulosic biomasses. This stripping technology has advantages such as the lack of organic solvents, showing an alternative and green HMF and/or FF production from lignocellulosic biomass.

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Section: Resultsmentioning

confidence: 99%

Conversion of Cellulose to 5-Hydroxymethylfurfural using Inorganic Acidic Catalysts in the Presence of Pressurized Water Steam

Cai¹,

Liu²,

Tan³

et al. 2017

BioResources

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“…44,45 Close to 100% solubilization of biomass carbohydrates was achieved for beechwood and sugarcane bagasse, with only 8 wt% H 2 SO 4 in a solvent-free system after 2 h of ball milling (Table 1). Similar results were obtained with about 2 wt% HCl, the volatility of which could enable at least partial recovery of the acid.…”

Section: Mechanocatalytic Processesmentioning

confidence: 99%

Targeted chemical upgrading of lignocellulosic biomass to platform molecules

2014

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This review presents an overview of the initial targeted chemical processing stages for conversion of lignocellulosic biomass to platform molecules that serve as intermediates for the production of carbonbased fuels and chemicals. We identify four classes of platform molecules that can be obtained in an initial chemical processing step: (i) sugars, (ii) dehydration products, (iii) polyols and (iv) lignin monomers. Special emphasis is placed on reporting and comparing parameters that affect process economics and/or sustainability, including product yields, amount of catalyst used, processing conditions, and product concentrations. We discuss the economic trade-offs associated with choices related to these parameters, depending on the product that is targeted. We also address the effects of real biomass on the ability to recover, recycle, and potentially regenerate catalysts and solvents used in the biomass conversion processes.

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“…Ball-milling also induces cleavage of β (1 4) glycoside bond causing a slight decrease in the degree of polymerization (DP) 31) . In 2010, Blair et al reported milling of cellulose in the presence of solid acid co-catalyst using an attritor 32) . The solid acid catalyst caused rapid depolymerization of cellulose during milling at 350 rpm, resulting in the formation of soluble glucan oligomers.…”

Section: Mechanocatalytic Treatment Of Cellulose To Obtain Soluble Olmentioning

confidence: 99%

機械的処理によるセルロースから基盤化学品への効率的な触媒分解

Shrotri

Kobayashi

Fukuoka

2015

J. Jpn. Petrol. Inst.

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Mechanical treatment of cellulose is an emerging concept for dramatically increasing the hydrolytic reactivity of cellulose. We report here the recent developments in the field of mix-milling and mechanocatalysis for cellulose pre-treatment. Mix-milling enhances the solid-solid contact between cellulose and carbon catalyst during hydrolysis reaction. Kinetic study shows that mix-milling specifically enhances the rate of cellulose to oligomer hydrolysis (13 fold), whereas the rate of oligomer to glucose hydrolysis is not influenced. Very high glucose yield of 88 % was obtained by mix-milling cellulose with K26 and using trace amount of HCl. Mix-milling was also applicable for single-pot hydrolytic hydrogenation of cellulose to sugar alcohols. Ru/AC catalyst was stable under mix-milling condition and 68 % of sugar alcohol was obtained using only 9 atm H2 pressure. Unlike mixmilling, mechanocatalysis takes advantage of presence of strong acid catalyst during milling to depolymerize cellulose. Completely soluble glucans were obtained after 7.5 h of milling in the presence of 0.25 mmol of acid g -1 cellulose. The glucans were highly reactive towards conventional and transfer hydrogenation reaction, affording ca. 90 % sugar alcohol yield in both cases after 1 h reaction. The transfer hydrogenation of cellulosic glucans was successfully upgraded to a lab-scale fixed-bed reactor.

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Mechanocatalysis for biomass-derived chemicals and fuels

Cited by 196 publications

References 49 publications

Conversion of Cellulose to 5-Hydroxymethylfurfural using Inorganic Acidic Catalysts in the Presence of Pressurized Water Steam

Conversion of Cellulose to 5-Hydroxymethylfurfural using Inorganic Acidic Catalysts in the Presence of Pressurized Water Steam

Targeted chemical upgrading of lignocellulosic biomass to platform molecules

機械的処理によるセルロースから基盤化学品への効率的な触媒分解

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