ORGANIC SOLVENT PRODUCTION VIA DISTILLATION AND DEHYDRATION

WIPO Patent Application WO/2023/287760

A3

The present disclosure provides for organic solvent production via distillation and dehydration by: directing portions of a feed stream to a first and second distillation columns operating at a different pressures from each other, wherein the organic solvent is preferably an alcohol and more preferably ethanol; generating, in the first distillation column, a vaporous first overhead stream; directing the vaporous first overhead stream directly to a rectification system; generating, in the second distillation column, a vaporous second overhead stream; forming a condensed second overhead stream from the vaporous second overhead stream; directing, at least a portion of the condensed second overhead stream to the rectification system; generating, via the rectification system, a third overhead stream; directing at least a portion of the third overhead stream to a separation system; and generating, in the separation system, an enriched solvent stream.

WO/2012/017017	METHOD FOR TREATING A HEAT TRANSFER MEDIUM OF A SOLAR-THERMAL POWER PLANT
WO/2007/069529	INDUSTRIAL PROCESS FOR PRODUCTION OF HIGH-PURITY DIARYL CARBONATES
JP2002147948	GAS SEPARATING DEVICE AND METHOD THEREFOR

RIGHI THIAGO (GB)
SHI CHENXU (GB)
ANDRADE VIRGINIA (GB)
BLUM STEPHAN (GB)

PCT/US2022/036782

February 16, 2023

July 12, 2022

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WHITEFOX TECH LIMITED (GB)

B01D3/14; C07C29/80

US20210113937A1	2021-04-22
US20070131533A1	2007-06-14
US20220048841A1	2022-02-17

REIBMAN, Andrew, L. et al. (US)

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