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01 Nov 2019 - Essential Oils of the Pacific: Australian Tea Tree

CNN have recently released a video titled 'Essential Oils of the Pacific: Australian Tea Tree'. Please share this as widely as possible and help get the message out there. More »»


18 Aug 2019 - Future Drought Fund

The Australian Government has committed $3.9 billion to the Future Drought Fund; public consultation. To help design the Drought Resilience Funding Plan, register for the upcoming consultation. More »»


07 Aug 2019 - PHA director positions

Every two years, four of the eight non-executive director positions on the Plant Health Australia (PHA Board) are up for re-election. PHA commenced the advertising for upcoming PHA director positions and they have asked ATTIA, as PHA Members, to promote the advertisement. More »»


03 Jul 2019 - Biosecurity Fact Sheets from Plant Health Australia

Plant Health Australia (PHA) continue to develop a Biosecurity Plan for the Australian tea tree industry, the Plan will be released in late 2019. PHA have also generated some fact-sheets for the industry More »»


Distilling

Once harvested, The finely cut M alternifolia biomass is transported to a steam distillation facility where it is batch processed as soon as possible after harvest in specially designed stainless steel stills to yield pure Australian tea tree oil. During distillation, the biomass is saturated with steam and cooked for up to 2 hours in sealed chambers. Once the temperature of the biomass rises to approximately 100°C the mixed oil and steam vapour begins to rise and is passed through a condenser where the sudden drop in temperature to between 35 and 55°C causes it to condense, forming an oil and water mix.

Separator.JPG

 This mixture is then passed into a separation chamber to separate the oil from the water, producing 100% pure tea tree oil which is usually stored in day vessels for a period of 12 hours to allow any water or other contaminants to settle out and for the oil to cool to ambient temperature before being transferred to suitable bulk storage containers until sold.

The water from the steam and condensers is recycled to ensure environmentally responsible management of this precious resource while the spent biomass from which the oil has been extracted is either recycled back onto the fields where it was harvested from or sold as a premium grade mulch, a product that is in high demand as the steam distillation process ensures there are no contaminants or weed seeds present in it. This is another way that members of ATTIA take care to preserve the natural environmental balance to sustain and maintain future resources.

 

A stainless steel separator - note the glass top where the oil separation can be monitored to minimise water in the tea tree oil.

Pure Australain TTO flowing into the separator

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 Bulk storage.JPG

 

 

A stainless steel tank for bulk storage of distilled tea tree oil

 

Page last updated: 11 Mar 2015