2008
DOI: 10.1039/b802076k
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Hydrothermal conversion of carbohydrate biomass into formic acid at mild temperatures

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Cited by 234 publications
(185 citation statements)
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“…Therein, the biomass is oxidized by polyoxometalates to FA and consecutively to formaldehyde in an aqueous solution under solar irradiation applying very mild conditions avoiding thermal degradation. 11 The first study aiming at a selective synthesis of FA or formate salts from biomass was published in 2008 by Jin et al 12,13 Glucose, a model compound for carbohydrate biomass, was oxidised hydrothermally with hydrogen peroxide as the oxidant at temperatures between 473 K and 573 K in the presence of alkali hydroxide, which obtained FA in up to 75% yield. However, such high FA yields were only obtained at high alkali concentrations (1.2 M) and using over-stoichiometric use of H 2 O 2 .…”
Section: Introductionmentioning
confidence: 99%
“…Therein, the biomass is oxidized by polyoxometalates to FA and consecutively to formaldehyde in an aqueous solution under solar irradiation applying very mild conditions avoiding thermal degradation. 11 The first study aiming at a selective synthesis of FA or formate salts from biomass was published in 2008 by Jin et al 12,13 Glucose, a model compound for carbohydrate biomass, was oxidised hydrothermally with hydrogen peroxide as the oxidant at temperatures between 473 K and 573 K in the presence of alkali hydroxide, which obtained FA in up to 75% yield. However, such high FA yields were only obtained at high alkali concentrations (1.2 M) and using over-stoichiometric use of H 2 O 2 .…”
Section: Introductionmentioning
confidence: 99%
“…The pH of the liquid residuals were 7.88 for LA, 2.18 for LB and 2.15 for LN; these pH values indicate that both neutral and Nb 2 O 5 pre-processing routes produced acidic liquid residuals, which could result from the presence of simple organic acids such as acetic and lactic acids [12,[31][32][33]. The liquid residual LA, from the alkaline preprocessing appeared darker and contained more carbon than those from either the Nb 2 O 5 or neutral pre-processing, according to TOC results.…”
Section: Products From Sawdust Pre-processingmentioning
confidence: 99%
“…Onwudili and Williams [10][11], in a one-stage direct process, also suggested that sodium hydroxide was able to degrade different types of biomass, producing biomass-alkali liquor that was suitable for hydrothermal gasification, yielding mainly hydrogen and some methane. Jin et al [12] also demonstrated the potential of producing chemicals such as acetic and formic acids via alkaline hydrothermal biomass processing. In addition, many researchers have investigated the supercritical water gasification of waste biomass liquor from various biomass-based industries [13][14][15][16][17].…”
Section: Introductionmentioning
confidence: 99%
“…Thus, a probable mechanism for electrocatalytic oxidation of cellulose to gluconate in an alkaline condition can be proposed as Scheme 1. As for formate, it displays an inconspicuous increase with the decomposition of gluconate, deduced likely to be the direct oxidation of glucose via α-scission [24,43]. In addition, the total yield of gluconate, oxalate and formate is also calculated and shown in Figure 5.…”
Section: Electrochemical Oxidation Of Cellulosementioning
confidence: 99%