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1. IN201817037964 - METHODS AND APPARATUS FOR SEPARATING ETHANOL FROM FERMENTED BIOMASS

Office India
Application Number 201817037964
Application Date 06.10.2018
Publication Number 201817037964
Publication Date 23.08.2019
Publication Kind A
IPC
B01D 3/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
3Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Applicants HAMRICK, Edward Brian
Inventors HAMRICK, Edward Brian
Title
(EN) METHODS AND APPARATUS FOR SEPARATING ETHANOL FROM FERMENTED BIOMASS
Abstract
(EN)
A method for separating ethanol from fermented biomass is provided. Fermented biomass that is rich in ethanol is used directly as packing material in a distillation column and a small amount of water at the bottom of the column is used to efficiently transfer heat to the biomass at the bottom of the column. The fermented biomass packing has a high ratio of surface area to volume making an efficient packing material. As vapor condenses on the biomass diffusion of ethanol/water vapor from the body of the biomass enriches the ethanol concentration at the surface of the biomass. Droplets containing lower concentrations of ethanol drip downwards from the biomass and vapors containing higher concentrations of ethanol rise upwards from the biomass resulting in a higher concentration of ethanol at the top of the column than was initially in the biomass.