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Efficient Conversion of Carbohydrate Biomass to Formic Acid via Heterogeneous Catalysis

By Yang Yang

Efficient Conversion of Carbohydrate Biomass to Formic Acid via Heterogeneous Catalysis Natural Sciences

Efficient Conversion of Carbohydrate Biomass to Formic Acid via Heterogeneous Catalysis

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Description
The conversion of biomass to chemicals/fuels has emerged as a valuable solution that offers both environmental and economic benefits, with the transformation of carbohydrate into formic acid garnering escalating scholar interest. However, the relative limited efficiency of catalyzed-oxidation or expensive cost of H2O2 and alkali in wet hydrothermal oxidation impose limitations on industrialization. This book proposed two new ideas for formic acid production by the oxidation of carbohydrate. In the first method, a two-step reaction method was developed, where the initial step is engineered to regulate the carbon chain cleavage of carbohydrates to augment the production of active intermediate. Oxygen was employed in the subsequent step as effective oxidant through free radical mechanism at around 423 K, resulting in a formic acid yield of 82.6%. Finally, the universality of the reaction was verified by using disaccharides and polysaccharides such as cellulose as substrates. In the second method, a simple but efficient MgO-H2O2 system without adding extra homogeneous base was established, achieving the highest 78.6% formic acid yield with 90.5% glucose conversion within 4 h at 323 K in water as a green medium. The catalyst MgO could be recycled five times without decline in activity with simple regeneration procedure, which occupied only 2.3% of the total operation cost based on an ex-anti life-cycle assessment, and is much cheaper than its homogenous counterpart such as LiOH. These research advance carbohydrate efficient oxidation into formic acid with heterogeneous catalyst, establishing possible approaches to produce formic acid from renewable biomass resources in real application.
Product details
Binding:
Paperback
Number of Pages:
88
Release Date:
2025-02-17
Publication Date:
2025-09-11
Publisher:
Eliva Press
Languages:
Original: English
ISBN10:
999932424X
ISBN13:
9789999324243
Weight:
142 g
Height:
152 cm
Width:
229 cm
Thickness:
5 cm
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