whisky from raw wheat and to concentrate ethanol using

7/21/2019 Whisky From Raw Wheat and to Concentrate Ethanol Using

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Production of Whisky from raw wheat and concentrate

ethanol using i. hygroscopic salts ii. Benzene

SACCHARINE (sugar containing) materials in which the carbohydrate (the actual

substance from which the alcohol is made) is present in the form of simple directly

fermentable si! and twel"e carbon sugar molecules such as glucose fructose and

maltose# Such materials include sugar cane sugar beets fruit (fresh or dried) citrus

molasses cane sorghum whey and s$im mil$#

S%ARCH& 'A%ERIAS that contain more comple! carbohydrates such as starch and

inulin that can be bro$en down into the simpler si! and twel"e carbon sugars by

hydrolysis with acid or by the action of enymes or malting# Such materials include corngrain sorghum barley wheat potatoes sweet potatoes *erusalem articho$es cacti

manioc arrowroot and so on#

CE+,SE 'A%ERIAS such as wood wood waste paper straw corn stal$s corn

cobs cotton etc# which contain material that can be hydrolyed with acid enymes or

otherwise con"erted into fermentable sugars called glucose#

-heat is one of the carbohydrate rich product widely used for alcohol production# .or

the production of more fermentable carbohydrates wheat is either sprouted or milled and

li/uefied using amylase# %o enhance the production li/uefied product is treated with

glucoamylase enyme#

'any species of Saccharomyces are used for the manufacturing process# 0uring

fermentation yeast uses carbohydrate to produce ethyl alcohol and Carbon dio!ide#

Control of pH during the mashing and fermentation process is important for two reasons1

%he growth of harmful bacteria is retarded by acid solutions and yeast will grow only in

an (slightly) acid solution# %he optimum pH range then is 2#3 to 4#5# Anything below

about 2#6 to 2#2 is detrimental to other (desirable) processes ta$ing place during the

mashing and fermentation# Conse/uently the pH should be chec$ed during the coo$ing

and con"ersion# If it is much abo"e 4#5 it should be reduced by the addition of acid#


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%he ethanol produced is accumulated in the media and can be purified by distillation

process# .urther concentration of alcohol can be done by treating with se"eral

hygroscopic salts li$e Ca, CaCl7 CaC,8 and anhydrous CuS,2 etc# Aeotropic

distillation using entriners li$e benene trichloroethylene followed by distillation at

reduced temperature also helps to concentrate the product "ery significantly and hence

lead to formation of sprit# Ethanol is clean burning9 high octane fuel can be produced

from renewable sources and use as alternati"e source of fuel with gasoline#

Carbon dio!ide produced during fermentation can be used for carbonating the product or

collected compressed and used as "aluable byproduct# Residue after distillation also

called as distillers: grain or stillage is used as li"estoc$ feed# ;ood yield of ethanol is

possible by selecting a good strain and maintaining optimal condition# 'ore nutrients

produce unwanted "olatile products#

-ater /uality is one which determines fermentation rate and /uality of product# 7oC to remo"e "olatile impurities# 0iscard 4B initial

distillate of total "olume# .urther distill at 3oC# Collect ?5>5B and discard

remaining final residue# ,bser"e B alcohol in distillate using alcohol meter#


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Add calculated amount of any hygroscopic salt to absorb water and $eep ,N# 0istil

at same temperature#

Add 718 proportion of benene to the distillate and further distil at ?oC#

,bser"ed percentage#

Observation:

Result1

whisky from raw wheat and to concentrate ethanol using

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