Page 40 - Curriculum Visions Dynamic Book

Caustic soda is added.
Cellulose
Caustic soda is added.
Steeping tank
Carbon disulphide is added.
Slurry press
Shredder
Dissolver
Viscose fibres
Viscose aging tank
Xanthation
Mercurisation
Wet spinning
Filter
Cutter
Staple fibre
During wet spinning the fibres are stretched to the required degree.They are washed of solvent, may have a finish applied, and are finally dried before being taken up as a thread package or cut to make staple fibre (fibres 2.5 to 15cm long).
Filter
Deaeration
(Above) The viscose production process uses cellulose as the raw material and uses the wet spinning method.
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