Is it possible if I want to do extraction of essential oils over high pressure and raise boiling point of water over 100C, is this will give me results (extracted oil) or not? In other words I want do distillation opposite of vacuum distillation..
I would think it is possible, although I do not see the point. If by extraction you mean that you are trying to do a steam distillation of the oil, it should work if the oil is stable enough at the higher temperature and pressure. If you are trying to do a straight distillation of the the oil, it would increase the decomposition of the oil over a vacuum distillation so I don't see an advantage.
I guess if your oil is extremely volatile and boils under or close to room temperature there could be an advantage to increasing the pressure and getting more efficient condensation.
Lara,
I think it is possible since you can use one of the methods of extraction of oils that is mechanical method of extraction,in which grinding and pressing of the raw material through the barrel of a helical screw will be done. This will augur well with the pressure inside the barrel and hence the yield of oil is adjusted using a choke ring at the outlet. The oil will be extracted.
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