Processing Edible Oils - Penn State Extension
2013-12-12 · Bleaching allows the oil to be used for a longer period of time before these undesirable characteristics occur. Figure 4: Two different types of bleaching clay. Shown on the left is a sample that is mixed with the oil, heated, and put through a filter press. On the right is a sample that is used as a filter in itself, which the oil is passed ...
Get Price