Question

In a manufacture of sugar,the container of the sugarcane juice is connected to vaccum pump. Why

Answer 1

heya dear your answer is here
------------------------
so that it can suck the all juice and also no impurity mixes with the sugarcane juice

Answer 2

An energy efficient process for concentration of sugarcane juice in sugar manufacture comprising: expansion of steam in the turbine of the heat pump, concentration of sugarcane juice in a heat pump based steam turbine driven Freeze Concentration System (FCS) heating concentrated juice from FCS with vapors from a heat transfer vessel, further concentration of juice in single or plurality of heat transfer vessels, utilizing expanded steam obtained from the steam turbine for heating juice in the heat transfer vessel, recycling heating effect of clear juice to raw juice and sulphured juice, heating separated water from FCS by steam and supplying it for utilities such as imbibition, filter cake washing and milk of lime, steam supply to vacuum pan.