Introdution:
Syrup coming out of evaporator station and raw sugar melt contains
various organic material in colloidal form, the colouring
matter derived from the clear juice added with colouring
matter further developed during evaporation operation as such needs special
attention for removal of various impurities so that the final product, i.e.
sugar will have minimum colouring matter adsorbed in
the inter-crystalline layers during crystallization process.
While syrup sulphitation followed by syrup
clarification gives a bleaching effect and many more multifold advantages
thereof, it has now become practice to resort to a “Syrup Clarification
System” which can consistently produce sulphurless
sugar of colour value less than 100 ICUMSA units,
more particularly to take care of colour developed
during long storage in the sugar stores.
Salient Features and advantages:
Ø
No proprietary formulated chemicals are
required. Low chemical consumption.
Ø
Assured colour reduction
to the maximum extent, hence consistently better sugar quality.
Ø
Reduces viscosity hence improved workability of
down stream process products.
Ø
Ensures reduction in turbidity level.
Ø
Homogeneous mixing of floatation chemical using
“Inline Unifier”.
Ø
Single tray short retention scum clarifier provided
for effective handling of scum, where mud solids are taken to vacuum filter and
only clear liquid is returned to process; thus significantly avoiding
recirculation of nonsugars.
Ø
Inline stationary strainer involving no moving
parts for syrup/melt screening is better option instead of conventional vibro type screening.
Ø
Fully automatic dosing of all chemicals in
proportion to syrup/melt inflow.
Ø
Mimic display on centralized control panel to observe
the operation of the entire system at a glance.
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