YELLOW FIELDS OIL

Skip to main content

THE PROCESS

Here is how it's done:

1) Get your seed to the press:
 If you have the headroom then an overhead hopper can keep the press filled using gravity, if not then an auger can be employed to the side of the press.
2) Press the seed:
The oil press takes in seed and expels oil from the barrel of the press and cake (or meal) from the end. The cake can fall into a bin or trailer (if the press is high enough) or conveyed - usually by a belt conveyor. The oil can also employ gravity to drain into the collection tank below the press or can be pumped to a remote tank. 
3) Allow the oil to settle (batch processing):
This takes about 5 to 10 days depending on ambient temperature and seed condition. More settling tanks means more total system capacity. After settling the oil must be filtered through a polishing filter to give crystal clear oil.
OR
3) Filter the oil straight off the press (continuous processing):
To produce oil continuously we need to remove the solids from the oil as soon as it comes from the press. This can be done using a special type of filter called a frame filter that has a high solids holding capacity. With this method the settling tanks are not required and the oil can be bottled straight away. See the 'Oil Filters' page.
4) Storage in a holding tank.
This tank holds your clean oil ready for bottling.
5) Fill your bottles (or any other container):
A volumetric or vacuum filler can be used. 
6) Fit the cap:
If you want to use tamper evident aluminium caps then an ROPP capping machine is used to push on the cap and form the threads.
7) Apply the label:
The cheapest way is to stick them on by hand. Next level up is a simple manual machine (gets them on nice and straight and at the same level - about 300 per hour). For higher volumes a semi-automatic machine that can apply front and back labels and a best before date all in one operation (about 600+ per hour).

Various automatic machines are available to fill, cap and label using a conveyor belt system. Details available on request.

Below a few ideas and examples:

 
...