Tea Seeds Cake Extraction Machine

Introduction

The edible oil extraction machine is designed to extract the oil in the material, such as the oil seeds, the seeds cake (the residue after the seeds were pressed for oil), rice husk, etc. The material is put into the special solvent, and the oil in the material will be dissolved. The residue produced by edible oil extraction is called the seeds meal, which contains less oil compared with cake, and is also a high-quality animal feeding. 

Solvent extraction is the process of removal of a solute component from the solid by using a liquid solvent; it is called leaching or solid-liquid extraction. According to this method, n-hexane yields the higher amount of oil compared to other solvents. There are various factors such as particle size, solvent type, and temperature that were found to affect the extraction of oil. The small particle size is preferred as it allows for a large interfacial area between the solid and liquid. The solubility of the material increases with an increase in temperature. Agitation of the solvent increases the eddy diffusion and therefore increases the transfer of materials from the surface to the particles. It is observed that low viscosity solvents are preferred to circulate freely during extraction. The chemical oil extraction technique was found to be very effective because of high oil yield and consistent performance. In addition, this method has a negative environmental impact because of the wastewater generation, higher specific energy consumption, and higher emission of volatile organic compounds as well as fewer human health impacts. There are three methods of extraction of this type: Hot water extraction, Soxhlet extraction, Ultrasonication technique.

Accelerated solvent extraction (ASE)

ASE is also called pressurized solvent extraction (PSE), this is one of the modern extraction processes. According to this method, the oil from seeds is extracted by using organic or aqueous solvents at elevated temperatures and pressures. It was observed that elevated pressure prevents boiling at temperatures above the normal boiling point of solvent but high temperature accelerates the extraction rate of oil. This method has reduced time as well as solve

Technical Parameters

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