In order to maximize the economic benefits of peanut oil extracting in edible oil mill plant, the following five aspects of preparatory work need to be completed in advance: peanut cleaning, peanut shelling, peanut crushing, peanut flaking and peanut cooking.
More details,please read this passage👇
http://www.edibleoilextractionmachine.com/faq/preparatory_work_for_extracting_peanut_oil_466.html