Crude Castor Oil

gardner max. 3.0
acid value or neutralization value max.4.0
iodine value max. 3.0
hydroxyl value (oh value) min 155
melting point min. 85oc
sap. value 177-185
neutralization of crude castor oil (1:1 ratio)
table 3.2 show the ffa content of neutralized oil. (c)
initial weight of crude castor oil = 100g 56.4d670 [4].
ffa (%) of crude oil = 19%
neutralization temperature = 55˚c 3.1.5. dehydration of refined castor oil
20% nacl solution = 40ml table 3.5 present the yield of dehydrated castor oil at
sr. 2n neutralization ffa (%) weight of different dehydration conditions. the changes of iodine value
no naoh time(minutes) of neutralized and viscosity by dehydration of castor oil at different
neutralized oil (g) dehydration conditions are shown in fig. 3.1 and fig. 3.2. oil
1 15.2 5 8.448 65.09 table 3.5. yield of dehydrated castor oil at different
2 30 10 0.987 60.43 dehydration conditions initial weight of sample c2 = 50g