Herbal Oil Extractor – Leading Extraction Machinery for Herbal Oil Processing

Our herbal oil extractor is the industry leading extraction machinery for herbal oil processing. It adopts advanced extraction technology, Low Temperature Sub-critical Solvent Extraction Method, for highest quality of final herbal oils. Different from traditional solvent extraction methods, this sub-critical solvent extraction technology is free from high temperature and pressure extraction, which greatly prevent damages for the natural components of herbal sources. And there are no solvent residues, which eliminates pollutions. Besides, the solvents within the whole extraction system is recycling, which, on the other hand, saves the cost of herbal oil production. Principle of Sub-critical Solvent Extractor – Herbal Oils Liquefied sub-critical solvents (usually propane and butane) are used to treat the raw material (herbal sources, such as roots, flowers, bark, leaves and more) under normal temperature and a particular pressure. This process is known as counter-current extraction. And the extracted meal is discharged from the extractor. Extraction fluid experiences vacuum evaporation at normal or low temperature, which ultimately results in solvent gasification. The gasified solvent is then separated and the end product is obtained through desolventizing process. The gasified solvent is again condensed or liquefied for a fresh recycling session. The biggest highlights of our herbal oil extraction method is that all processes are accomplished at normal temperature and pressures, which ensures there is no damages to the thermal sensitivity of herbal oils. This forms the basis of the herbal oils extraction methods by utilizing sub-critical solvent extraction technology.