I asked the gentleman what batch size they use and how they distill their oil. He said that they collect the offshoots from eucalypt stumps and then carry out a steam distillation on about 100 Kg of plant matter to get about 1 Kg of essential oil. It was claimed that they have been using this same process on Blue Mallee eucalyptus in Arnold, Victoria since 1895.
It will take some time but eventually, microwave systems will be used to extract most essential oils.
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