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Raspberry Colloid Templated Catalysts Fabricated Using Spray Drying Method
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DOI：10.3390/catal13010060.png)
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Abstract
En 中文
The majority of industrial chemical processes-from production of organic and inorganic compounds to air and water treatment-rely on heterogeneous catalysts. The performance of these catalysts has improved over the past several decades; in parallel, many innovations have been presented in publications, demonstrating increasingly higher efficiency and selectivity. One common challenge to adopting novel materials in real-world applications is the need to develop robust and cost-effective synthetic procedures for their formation at scale. Herein, we focus on the scalable production of a promising new class of materials-raspberry-colloid-templated (RCT) catalysts-that have demonstrated exceptional thermal stability and high catalytic activity. The unique synthetic approach used for the fabrication of RCT catalysts enables great compositional flexibility, making these materials relevant to a wide range of applications. Through a series of studies, we identified stable formulations of RCT materials that can be utilized in the common industrial technique of spray drying. Using this approach, we demonstrate the production of highly porous Pt/Al2O3 microparticles with high catalytic activity toward complete oxidation of toluene as a model reaction.
Keywords:
heterogeneous catalyst
raspberry colloids
templating
spray drying