Production Of Ethanol From Molasses

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SEMINAR REPORT ON PRODUCTI ON OF

CHEEERRR SS!!!!!

PRESENTED BY:- YADVENDRA YADAV ;

TABLE OF CONTENTS §INTRODUCTION § §ETHANOL PRODUCTION FROM SUGAR CANE § §CHEMICAL REACTIONS INVOLVED § §FLOW SHEET FOR ETHANOL PRODUCTION § §FLOW SHEET FOR SEPARATION PROCESSES § §FLOW SHEET FOR QUALITY CONTROL OF ETHANOL § §FACTORS AFFECTING CONCENTRATION OF MOLASSES § §MAJOR ENGINEERING PROBLEMS § §USES OF ETHANOL § §HEALHT EFFECTS OF ETHANOL : GOOD OR BAD

INTRODUCTION There are three fermentation methods by which we can produce Ethanol :-

SUGAR CANE

MOLASSES

MAIZE

STARCH

ETHANOL

BAGASSE

CELLULOSE

ANOL PRODUCTION FROM SUGAR C

SUGAR CANE Molasses

INDUSTRY FOR ETHANOL PRODUCTION

SUGAR

CHEMICAL REACTIONS INVOLVED (a) C

Main Reaction H

12

22

O

+ 2 C2 H

11

Zymase

C 6 H12 6 O H OH

12

6

H

O

O 2

6 5

2

ROH

H +

O

12

6 2

2CO

+

(b)Side Reaction (c) 2C H O + 6

Invertase

R CHO

H 2=C - 31.2 kcal

higher mol. wt. alcohols

W SHEET FOR PRODUCTION OF ETH MOLASSES STORAGE

NUTRIENTS MOLASSES STERILIZER

co2 YEAST CULTURE TANK

STEAM

h2o

CONTINUOUS DILUTER

h2o

co2 h2o

STRIPPER

START MOLASSES

YEAST STORAGE

FERMENTATION TANK

NUTRIENTS

h2o

WATER SRUB WITH 1-2% ALCOHOL

PRODUCED ALCOHOL TO SEPARATION UNIT

W SHEET FOR SEPARATION PROCES H

C

C

C

P

P

ALDEHYDE COLUMN

COLUMN

PRODUCED ALCOHOL FROM PRODUCTION UNIT

H TO WASTE DISPOSAL OR EVAPORATOR TO PRODUCE CATTLE FEED OR FERTILIZERS

C

FUSEL OIL

RECTIFYING

BEER STILL

P

h2o

For quality control

h2o

STORAGE

95% ethanol

HEET FOR QUALITY CONTROL OF E

MAKE-UP C6H6

STRIPPER

ANHYDROUS STILL

c TO RECTIFYING COLUMN FOR RE-USE

DENATURANT

100% ethanol DENATURED ALCOHOL

S AFFECTING COMPOSITION OF MO ØVariety of cane Ø ØComposition of soil Ø ØClimatic conditions Ø ØHarvesting practices Ø ØSugar manufacturing process Ø ØHandling and storage

MAJOR ENGINEERING PROBLEMS

§Collection and storage of MOLASSES. §Maintenance of sterile and specific yeast culture conditions. § §Batch versus continuous operation. § §Waste disposal problem. § §Fuel economy in the series of distillations.

USES OF ETHANOL §Ethanol can be used as a fuel. § §Ethanol can also be used as Rocket fuel. § §Ethanol can be used as alcoholic beverages. § §It can be used as an antiseptic. § §Ethanol is easily miscible in water and is a good solvent. § §Ethanol is less polar than water and is used in § perfumes, paints and tinctures. § §Ethanol is also used in design and sketch art markers.

EFFECTS OF ETHANOL : GOOD

QUERIES ???? CHEEERRR SS!!!!!

THANK

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