High-Performance Materials from Bio-based Feedstocks. Группа авторов
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Название: High-Performance Materials from Bio-based Feedstocks

Автор: Группа авторов

Издательство: John Wiley & Sons Limited

Жанр: Химия

Серия:

isbn: 9781119655626

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СКАЧАТЬ with applications in catalysis have been presented and discussed in this chapter. Several outstanding features of bio‐based carbon materials such as various physical properties, chemical functionalities, facile activation and functionalization, and environmental friendliness allow them to straightforwardly act as a catalyst and catalyst support. It is important to consider issues that take into account the variety and complication of agricultural biomasses utilized as raw materials in carbon synthesis. The surface area and pore diameter of carbon materials as well as surface properties including hydrophobicity, hydrophilicity, acidity, basicity, and chemical functional groups could be accommodated by the selection of the biomass and control of the preparation conditions. Biochar is a simple bio‐based carbon material commonly having diverse surface functional groups. In order to acquire a high catalytic activity and high stability of biochar, a physical or chemical modification step is required. Hydrochar also possesses a large amount of oxygen‐containing functional groups that are beneficial for the production of bio‐based chemicals and the degradation of organic pollutants. The abundance of mesopores and large surface area of activated carbon could lead to higher efficiency by providing more active sites. Novel crystalline bio‐based carbon materials including graphene and CNTs are currently focused on as high‐efficiency materials in catalysis. Even though current bio‐based carbon materials have accomplished much in catalysis applications relating to product yield, selectivity, and stability, most are not quite ready for production on an industrial scale. To accomplish a high catalytic efficiency, the production cost of biomass‐derived carbon catalysts is still higher than that of conventional catalysts. Thus, a more intensive investigation is required to decrease the production cost together with enhancing the catalytic efficiency of the bio‐based carbon materials. With the intention of moving the production and utilization of biomass‐derived carbon materials from laboratory scale to commercialization, techno‐economic and environmental feasibility should also be analyzed.

Schematic illustration of hydrogenation of levulinic acid.

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