Groundnut Oil Extraction Machines

Cold-pressed and hot-pressed groundnut oil are two different products, not two settings on the same machine. Buyers can taste the difference, and it shows up in shelf life too.

Description

A screw press squeezes oil out of groundnut by forcing crushed seed through a rotating screw inside a perforated barrel. Oil comes out through the perforations. Cake comes out the end.

Cold pressing keeps the temperature down, which protects the flavour and colour Nigerian buyers associate with proper groundnut oil. Hot pressing heats the seed first and gets more oil out per pass, but the oil tastes more processed. Pick one deliberately, because your market will notice.

The same press handles sesame, soybean and sunflower with adjustment. Useful if you're thinking about diversifying later.

Don't write off the cake. It still holds 5-10% oil after a single pass and sells as animal feed, and for most small processors that's a real second income line rather than a rounding error.

What cold-pressed actually means here

Cold and hot press are different products. Cold keeps flavour and nutrients. Hot gets more oil out. You're choosing your market position, not just a machine setting, so decide before buyers get used to your oil.

The cake is money. Press cake sells as feed and still has oil and protein in it. Build it into your numbers from day one instead of treating it as waste you have to shift.

Yield figures assume good seed. Rated oil yield is based on properly dried, undamaged groundnut. Wet or mouldy seed gives you less oil and a worse product, and the machine gets blamed for it.

Second pressing is a maths question. One pass leaves oil behind. Whether a second pass pays depends on your volume and what the cake is worth to you as feed. We'll work through it with your numbers if you want.

Specification

These figures decide throughput and yield. We confirm them against written supplier data before quoting.

Capacity	kg/h of seed going in, not oil coming out. Groundnut oil yield typically runs 38-50% of seed weight depending on variety and press type.
Voltage	380V three-phase on commercial units, 50Hz. Same frequency as our grid, so nothing to correct.
Structure	Horizontal or vertical screw, and whether feeding is manual or automatic.
Press generation	Suppliers offer first, second and third series presses at the same nominal capacity. Later series usually extract more per pass, and the price difference is usually worth it.
Automation level	Semi or fully automatic. Comes down to how much labour you want tied to the machine.
Dimensions and weight	Sets your floor space and whether you need a proper foundation.

We do not publish prices, because the landed figure depends on the specification, the Customs valuation and the exchange rate on the day you pay.

Minimum order

One press. A 50-100 kg/h unit is where most new processors start, and that's a normal order.

Bigger continuous units make sense once your seed supply and your buyers are both proven.

What decides the right one

Cold or hot press first. This is a product decision and it's expensive to reverse once your customers know your oil.

Then capacity against the groundnut you can actually buy each month. Not what you hope to buy next year. An idle press is money sitting still.

Then whether to add a second pressing stage. Depends entirely on your volume and what feed sells for near you. Some processors it pays for, some it doesn't.

Common questions

What's the minimum order

One press. A 50-100 kg/h machine is a normal starting point.

Cold press or hot press

Cold if flavour and premium positioning matter to your buyers. Hot if you're maximising yield and selling into a market that isn't distinguishing.

What else can it press

Sesame, soybean, sunflower and most oilseeds with adjustment. Worth telling us if you plan to switch crops seasonally.

What yield should I expect

Roughly 38-50% of seed weight for groundnut, depending on variety, moisture and press generation. We give you a range, not a best case.

How is it shipped and installed

Containerised, with installation and commissioning support so your first pressing run has guidance on seed prep and what yield to expect.

Tell us your seed supply and your buyers

How much groundnut you can source a month, and whether your buyers care more about cold-pressed quality or about price. We'll tell you what press that is, what it lands at in Naira with every line itemised, and what yield to plan around.

Costs you nothing and commits you to nothing.

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