Engineering-Oriented Design of the Separation Plant of the Catalytic Conversion Process of Bioethanol into Biobutanol

IF 3.8 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Gracia María Cabello González, Laura Romero-Piñeiro, Ángel Luis Villanueva Perales, Fernando Vidal-Barrero
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Abstract

Biobutanol offers promise as a biofuel and platform chemical. Renewable butanol can be synthesized from bioethanol via the Guerbet reaction, in which higher alcohols are produced from short-chain alcohols. This research addresses the design and implementation of the separation system for the complex azeotropic mixture arising from ethanol-based biobutanol production. Using established conceptual design methods, an engineering-oriented approach was followed to deal with the numerous compounds present in the mixture and its complex phase behavior. To demonstrate the resulting design, a pilot plant composed of five distillation columns and two molecular sieves was constructed and operated. This plant constitutes the first experimental investigation of a separation system for this process. The recovery of unconverted ethanol was effectively demonstrated, and the production of high-purity butanol (∼99 wt %) was also achieved. From the experience of the construction and operation of the pilot plant, recommendations are given for industrial implementation of the separation system.
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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
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