Peanut oil pressing Machine in Tanzania. Peanut is a kind of oil crop with high oil content. The residual oil in oilcake can be reduced to 6.5% by second pressing. The temperature of the whole process of cold pressing is required to be below 60℃, so that to guarantee the quality of cold pressed oil.
When it comes to the extraction of oil from groundnut seed, there are two common oil extraction process: cold press and hot press. In order to improve the oil yield, hot press is usually adopted.
Cold Pressing Process: Peanut kernel → cleaning → crushing → oil pressing → filtering → cold pressed peanut oil
Hot Pressing Process: Peanut kernel → cleaning → crushing → cooking / steaming→ oil pressing → filtering → expeller pressed peanut oil
