Production of Lactic Acid/Lactates from Biomass and Their Catalytic Transformations to Commodities

Mäki‐Arvela, Päivi; Simakova, Irina L.; Salmi, Tapio; Murzin, Dmitry Yu.

doi:10.1021/cr400203v

Cited by 390 publications

(302 citation statements)

References 167 publications

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“…Lactic acid is an organic compound that is used in large quantities as the food, cosmetic, pharmaceutical, and chemical productions [8,9]. Moreover, lactic acid is an important intermediate for conversion to other products such as propylene glycol, acrylic acid, and polylactic acid [8,10].…”

Section: Introductionmentioning

confidence: 99%

Conversion of Cellulose to Lactic Acid by Using ZrO2–Al2O3 Catalysts

Wattanapaphawong

Sato

et al. 2017

Catalysts

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Abstract:Lactic acid has a wide range of applications in many industries, both as an ingredient and as an intermediate. Here, we investigated the catalytic conversion of cellulose to lactic acid by using heterogeneous mixed-oxide catalysts containing ZrO 2 . Although pure ZrO 2 has catalytic activity for the conversion of cellulose to lactic acid, the yield of lactic acid obtained is not satisfactory. In contrast, a series of ZrO 2 -Al 2 O 3 catalysts containing various percentages of ZrO 2 provided higher yields of lactic acid. The ZrO 2 -Al 2 O 3 catalysts had more Lewis acid sites and far fewer base sites than ZrO 2 . This suggests that the Lewis acid sites on ZrO 2 -Al 2 O 3 catalysts are more important than the base sites for the conversion of cellulose to lactic acid.

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Section: Introductionmentioning

confidence: 99%

Conversion of Cellulose to Lactic Acid by Using ZrO2–Al2O3 Catalysts

Wattanapaphawong

Sato

et al. 2017

Catalysts

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“…Many value-added chemicals such as formic acid, acetic acid, furfural, 5-hydroxymethylfurfural, and levulinic acid have been successfully synthesized from biomass starting materials such as monosaccharides (glucose and fructose), polysaccharides (sucrose, starch, and cellulose), or even raw bio-waste such as corn stalks, rice straws, and shrimp shells [3][4][5]. Among these chemicals, lactic acid is an important building-block intermediate which has wide applications in food, cosmetic, pharmaceutical, and chemical industries as well as in biodegradable plastics [6].…”

Section: Introductionmentioning

confidence: 99%

“…Although presently more than 90% of commercial lactic acid is produced by fermentation, this method suffers from the drawbacks of high cost, low productivity, and long fermentation time [6]. The chemocatalytic production of lactic acid from biomass has attracted increasing attention in recent years.…”

Section: Introductionmentioning

confidence: 99%

Mechanocatalytic Production of Lactic Acid from Glucose by Ball Milling

Yan

Shen

et al. 2017

Catalysts

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A solvent-free process was developed for the direct production of lactic acid from glucose in a mechanocatalytic process in the presence of Ba(OH) 2 , and a moderate lactic acid yield of 35.6% was obtained. Glucose conversion and lactic acid formation were favorable at higher catalyst/glucose mass ratios. However, at relatively lower catalyst/glucose mass ratios, they were greatly inhibited, and the promotion of fructose formation was observed. The mechanocatalytic process was applicable for various carbohydrates such as C 5 sugars, C 6 sugars, and disaccharides with 20-36% lactic acid yields achieved. This work provides a new pathway for the production of value-added chemicals from biomass resources.

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“…Cellulose is formed by the linkage of β-1,4-glucosidic bonds between glucose units and contains numerous inter-and intra-molecular hydrogen bonds (Klemm et al 2005). It can be converted into platform compounds such as glucose, levulinic acid, 5-hydroxymethylfurfural, lactic acid, and polyols (Fukuoka and Dhepe 2006;Li et al 2008;Zhang et al 2009;Rackemann and Doherty 2011;Deng et al 2013;Dusselier et al 2013;Huang et al 2013;van Putten et al 2013;Mäki-Arvela et al 2014). Of these compounds, sugar alcohols (sorbitol and mannitol) can be converted to liquid fuel (biogasoline) through aqueous phase hydrodeoxygenation (Kunkes et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Enhanced Sugar Alcohol Production from Cellulose by Pretreatment with Mixed Ball-Milling and Solid Acids

et al. 2016

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Efficient pretreatment is the key step in catalytic biomass conversion. Herein, a mixed ball-milling method was used to pretreat cellulose with a solid catalyst. The method was tested with solid acid and commercial 5 wt% Ru/C in water, and the effect of pretreatment on yield was measured by the hydrolytic-hydrogenation of cellulose to sugar alcohols, which are the platform compounds for the production of gasoline and fine chemicals. The influence of ball-milling mode, time, and reaction parameters was studied. The properties of cellulose and the catalyst were also analyzed before and after treatment. The yield of sugar alcohols reached 90.3% at 463 K with amorphous zirconium phosphate (ZrP) and Ru/C and a mixed ball-milling time of 2 h. The high sugar alcohol yield was achieved 12 times faster than with the single ballmilling method under the same reaction conditions for 24 h. This effect is ascribed to the enhanced contact between cellulose and catalyst, which promotes the rate-determined cellulose depolymerization to obtain high sugar alcohols yield.

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Production of Lactic Acid/Lactates from Biomass and Their Catalytic Transformations to Commodities

Abstract: formic acid, (o) lactic acid, (Δ) propylene glycol, ( □ ) ethylene glycol, (+) methanol, and (×) CO 2 . Reprinted with permission from ref 13.

Cited by 390 publications

References 167 publications

Conversion of Cellulose to Lactic Acid by Using ZrO2–Al2O3 Catalysts

Conversion of Cellulose to Lactic Acid by Using ZrO2–Al2O3 Catalysts

Mechanocatalytic Production of Lactic Acid from Glucose by Ball Milling

Enhanced Sugar Alcohol Production from Cellulose by Pretreatment with Mixed Ball-Milling and Solid Acids

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