economic and practical castor oil refining machine walnut oil presser

castor seed oil- processing[1] | seed | petroleum

Castor Seed Oil- Processing[1] | Seed | Petroleum

For the refining of castor oil, where colour removal is particularly important, an initial temperature of 22 – 240C is preferred and specified for the official laboratory refining tests although no marked disadvantage appears to result from temperature up to 300C. if the oil contains occluded air after it is pumped to the refining kettle, it

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