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Bleaching Process In Edible Oil Refining Plant
Bleaching is the process of removing impurities, colour pigments, traces of gums and soaps from vegetable oil. In this process colour pigments and traces of soap are removed by adding bleaching earth under vacuum at a conducive temperature for bleaching with maximum retention time. Following which the bleached oil is then filtered in Pressure leaf filter(PLF), followed by a polishing filter. After the filtration process, the final bleached oil is sent for further refining to the dewaxing section for further processing.
The residual Spent earth consists of 20% oil which can be further processed for extracting the oil from the spent earth and finally the spent earth can be sold to Fragrance Stick manufacturers as the earth has good calorific value or can be used as landfill.
Benefits of Bleaching Section
- Oil Earth Mixer is specially designed with higher mixing speed which ensures quick & effective mixing.
- Continuous Bleacher is a combination of Dry & Wet bleaching which makes it multipurpose.
- Simple to operate & low maintenance required.
