Isbn: 9789999324243 - efficient conversion of carbohydrate biomass to formic acid via heterogeneous catalysis: a sustainable pathway for renewable chemical synthesis (17 Ergebnisse)

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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 88 pp. Englisch.

Paperback. Zustand: new. Paperback. 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. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.…

Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - 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.…

Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -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.Libri GmbH, Europaallee 1, 36244 Bad Hersfeld 88 pp. Englisch.…

Taschenbuch. Zustand: Neu. Efficient Conversion of Carbohydrate Biomass to Formic Acid via Heterogeneous Catalysis | A Sustainable Pathway for Renewable Chemical Synthesis | Yang Yang | Taschenbuch | Englisch | 2025 | Eliva Press | EAN 9789999324243 | Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, 36244 Bad Hersfeld, gpsr[at]libri[dot]de | Anbieter: preigu Print on Demand. …