The manufacturing process of sugar

Type :

Term papers

Pages :

4 pages

Format :

.doc

Published date :

08/28/2009

Category :

Arts & media

Sub category :

Journalism

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Summary :

Introduction
Process for producing raw sugar
1. Cane marshalling yard
2. Cane receival
3. Weight bridge tippler and empty bin return system
4. Shredder
5. Milling train
6. Juice heater
7. Evaporation station
8. Filtration
9. Crystallisation and seperation
10. Bulk sugar handling
11. Boiler station
By products

Abstract

The manufacturing of sugar begins when harvesting cane is received and cane is weighed on the plat form type weighbridges. The shredded cane is fed through the series of crushing mills to extract the sugar juice, which is then pumped away for further processing. The remaining fiber is called bagasse. The juice from the milling train contains impurities including soil, which must be removed for further processing. The juice is heated to about 70 degree centigrade in rapid flow vertical juice heater to maintain good co-efficient of heat transfer. The heated juice is limed and sulphsited in a continuous juice sulphiter, and then heated to 105 degree centigrade. The heated juice passes through a clarifier where the impurities precipitate and settle to the bottom as mud. The clarified juice is concentrated to syrup by boiling off excess water in a series of connecting vessel Concentration of the syrup from the evaporator is continued in vacuum pans. Very small seed crystals are introduced to the concentrating syrup and these begin to grow in Size. The sugar crystal is separated from the syrup in centrifugal machines. The moist raw sugar is dried in a steam of air and transformed to bulk storage bins