Study on Compound Cross-Flow Liquid-Liquid Extraction for Separating Methylal-Methanol Azeotropic System

Jun Lin; Qun Qun Huang; Jing Jing Zhu; Zheng Gui Gu

doi:10.4028/www.scientific.net/AMM.130-134.450

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134Study on Compound Cross-Flow Liquid-Liquid...

Study on Compound Cross-Flow Liquid-Liquid Extraction for Separating Methylal-Methanol Azeotropic System

Abstract:

Aiming at the raw material of a methylal-methanol azeotropic mixture (including 91.8% of methylal, 8.2% of methanol), With a certain proportion of the composite solvent as extracting agent, over 99.5% purity of methylal can be obtained with two-stage cross-flow liquid-liquid extraction combining distillation operation, while the compound extracting agent can be recycled. Compared with the traditional methods, the new technology has more obvious methanol removing effect, higher product purity, higher recovery ratio (>95%), and lower energy consumption. It’s a new feasible scheme to Separate methylal-methanol azeotropic system.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

450-453

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.450

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Online since:

October 2011

Authors:

Jun Lin, Qun Qun Huang, Jing Jing Zhu, Zheng Gui Gu

Keywords:

Composite Solvent, Liquid-Liquid Extraction, Methanol, Methylal

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