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Shea Butter Extraction & Refining Equipment
Cocoa, Shea, Palm Oil & Oilseed Processing

Shea Butter Extraction & Refining Equipment

A shea butter plant crushes dried shea kernels, heats and works the meal, and separates the fat as unrefined butter, with an optional refining line for a neutral, light-coloured product.

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Open steel-roofed shed with two stainless-steel vessels, a condenser and a tall blue boiler stack on a concrete floor

Shea Butter Extraction & Refining Equipment

In West Africa much shea butter is still made by hand, with village groups crushing, roasting, grinding and kneading the kernels with water. A mechanised plant takes over those steps with crushers, mills, presses or solvent extractors, so more kernels can be handled each day and the butter is more consistent. The questions to settle first are the grade wanted (unrefined or refined), how reliably kernels can be bought across the season, whether they arrive already boiled and dried or must be treated on site, and which extraction route will be used. The route changes the butter recovered from each tonne of kernels, but a solvent route also needs solvent recovery and hazardous-area design. Press cake, shell and effluent from water routes need a destination, and the free fatty acid of the butter decides how much is lost if it is refined later.

Shea kernels come from nuts that have been boiled, dried and shelled, and the quality of the butter depends largely on how well that was done. At the plant the kernels are cleaned and sorted, crushed, usually heated or roasted, and ground to a paste. The fat is then recovered by one of three routes. Hand-style kneading with water is the traditional route, and mechanised kneaders copy it with a lower butter recovery. A screw expeller presses the heated paste or kernels and gives a higher recovery, leaving a press cake. Solvent extraction recovers the most fat, but it needs a closed circuit, solvent recovery and hazardous-area design. The crude butter is settled and filtered to remove fine solids and moisture, then cooled, moulded or packed. If a neutral, odourless butter is needed for food or cosmetics, a refining line adds neutralising, bleaching and deodorising, and the loss in that line follows the free fatty acid of the incoming butter. Heating time and temperature also shape colour and the characteristic odour, so a roaster or heat conditioner needs accurate temperature control as well as a heat source.

Indicative Capacity Range

  • 100–5,000 kg feed/day

Key Specification Inputs

Extraction solvent/water, extraction stages, batch time, filtration and recovery.

Technical Specifications

TechnologyMechanical, water-based or solvent extraction of fat from shea kernels, with optional refining
Working PrincipleKernels are crushed, heated and ground, then the fat is separated by kneading, pressing or solvent washing
FeedDried, shelled shea kernels; moisture, mould and how the nuts were treated and dried decide the cleaning duty
Extraction RouteMechanised kneading with water, screw expeller or solvent extraction, chosen by grade, scale and safety capability
Heating MethodDirect-fired, steam or thermal oil heating, chosen by local fuel cost and the temperature control needed
Solvent HandlingClosed extractor, desolventiser and condenser with hazardous-area design where a solvent route is used
FiltrationPlate or filter press, sized to the butter viscosity and solids load
Refining OptionNeutralising, bleaching and deodorising vessels, added only where a neutral butter is needed
Contact MaterialFood-grade stainless steel on butter-contact surfaces
Residue StreamsPress cake or meal, shell fragments and, on water routes, wash water to be reused or treated

Typical Process Route

1

Kernel Intake, Inspection and Cleaning

Kernels are checked for moisture, mould, insect damage and smoke contamination, and stones, sand and shell fragments are screened out. Sun-dried kernels give a cleaner butter than smoked ones, which can pick up hydrocarbons from the fire.

2

Crushing

Kernels are broken into small pieces by a crusher or a hammer-type mill. The size matters: pieces that are too coarse heat unevenly, and pieces that are too fine pack in the press and block the feed.

3

Roasting or Heat Conditioning

Kernel pieces are heated, roasted or steamed to soften the cell structure and release the fat. Temperature and time drive butter colour, odour and free fatty acid, so overheating and uneven heating are the faults to avoid.

4

Grinding to Paste

A mill reduces the heated pieces to a smooth paste or meal. A finer paste frees more fat, but too fine a paste can slow kneading and pressing.

5

Kneading, Pressing or Solvent Extraction

The paste is kneaded with water so the fat floats, or pressed in a screw expeller, or washed with solvent in an extractor. Each route leaves a different residue (wet cake, press cake or meal) and a different recovery and safety load.

6

Settling and Filtration

Crude butter is heated gently, settled and filtered through a plate or filter press to remove solids and water. Fine particles left in the butter darken it and shorten its storage life.

7

Optional Refining

Where a neutral, light butter is wanted, the crude butter goes through neutralising, bleaching and deodorising stages. The loss in this stage follows the free fatty acid of the incoming butter, so raw butter quality decides its cost.

8

Cooling, Moulding and Packing

Butter is cooled in a controlled way, moulded or filled, and packed in clean, closed containers. Rapid cooling and clean packing room keep the texture even and slow rancidity.

Process & Equipment Modules

  • Kernel intake hopper and screening cleaner
  • Kernel crusher or hammer mill
  • Roaster or heat conditioner
  • Paste grinding mill
  • Kneader or mixer for water routes
  • Screw expeller press
  • Solvent extractor and desolventiser where used
  • Settling tank and filter press
  • Refining vessels for neutralising, bleaching and deodorising
  • Butter cooling and moulding unit
  • Packing and filling station
  • Control panel with temperature indication

Plant Output

Crude (unrefined) shea butterRefined shea butterShea press cake or mealShell and cleaning rejectsFilter residue

Applications

  • Unrefined shea butter for cosmetic and skin-care products
  • Refined shea butter for food and confectionery fats
  • Shea butter for soap and balm making
  • Shea butter for cooking and local food use
  • Shea butter as a base for ointments and lip balms
  • Shea press cake as a fuel or compost input
  • Packed retail shea butter for domestic and export markets

Key Features

  • Route Chosen to the Grade

    Kneading, pressing and solvent extraction suit different grades and scales, and the plant is defined by the route picked, not by a single machine.

  • Temperature-Controlled Heating

    A roaster or conditioner that holds an even temperature protects colour and odour, and avoids burnt flavours that stay in the butter.

  • Kernel Cleaning Up Front

    Stones, sand and shell fragments damage mills and presses, so a cleaning and sorting section protects the machinery and the butter.

  • Filtration for a Clear Butter

    A plate or filter press takes out fine solids and moisture, which improves appearance and storage life.

  • Optional Refining Line

    Neutralising, bleaching and deodorising stages can be added for a neutral product, and can be left out for an unrefined butter.

  • Free Fatty Acid as the Test

    Free fatty acid acts as a simple quality and acceptance check, and it indicates the loss that refining would bring.

Country Pages for Shea Butter Extraction & Refining Equipment

This product is listed on the pages of the countries below, each with its own enquiry route. Where Kadali has no office in a country, enquiries are handled from the Accra office.

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Frequently Asked Questions

What information is needed to size Shea Butter Extraction & Refining Equipment?
Sizing depends on the daily weight of kernels, the hours the plant will run, the kernel moisture and how clean they arrive, the extraction route (water, press or solvent), the grade wanted (unrefined or refined), the heating fuel on site and how press cake and wash water will be handled. State whether kernels arrive already boiled and dried, or whether the plant must treat them.
What capacity range does Shea Butter Extraction & Refining Equipment cover?
The indicative capacity range is 100–5,000 kg feed/day. It is stated on a feed basis per day, so restate your own volume on that basis and say how many hours a day the plant will run.
Which extraction route suits a shea project?
Kneading with water is the simplest route and gives the lowest recovery. A screw expeller recovers more and leaves a cake that can be sold or burnt. Solvent extraction recovers the most, but it adds solvent recovery and hazardous-area design. Choose by volume and by the grade you will sell; for the safety side see solvent recovery plants.
Do kernels need treating before they reach the plant?
Yes. Butter quality depends largely on how nuts are handled after harvest. Boiling the nuts early in the season stops germination and speeds drying, and sun-drying gives a cleaner kernel than smoking over a fire, which leaves hydrocarbons. Decide whether your suppliers do this or whether the plant must dry and sort kernels, because drying capacity is a design item.
What does free fatty acid tell me about shea butter?
Free fatty acid shows how far the fat has degraded, and it is a simple acceptance test for raw butter. It also tells you what refining will cost: refining removes it, so a higher level means a larger loss. Simple improvements in processing can keep free fatty acid low enough for commercial grades, but grade limits vary by buyer, so confirm them with your market.
Why does some shea butter smell strong?
The strong odour of West African shea butter is not a feature of the crop itself. It results from one or more of the post-harvest steps, such as drying, roasting and storage. Controlling kernel drying, roasting temperature and storage time can reduce it, so agree your sensory target early, because it affects the heating and conditioning design.
Is a refining line always needed?
No. Unrefined butter is sold for cosmetics and for local cooking, and it needs only clean kernels, controlled heating and good filtration. Refining adds neutralising, bleaching and deodorising vessels to make a bland, light butter for food or for cosmetic bases, but it also adds utilities, a loss and an effluent stream. Decide on the buyer's grade first.
Does higher-quality shea butter keep longer in storage?
Yes. Better butter fetches a better price and keeps longer in storage than a poor one. That links the whole chain, from nut handling to clean, controlled extraction and filtration, to how long butter can be held. Store it closed, cool and clean, away from light, and keep records by lot so any problem can be traced.
How do I request a proposal for Shea Butter Extraction & Refining Equipment?
Use the Request a Quote page and describe your project. State the grade of butter you want, the volume of kernels you can buy, and whether you will press, use water or use a solvent.

Enquire about Shea Butter Extraction & Refining Equipment

Send your raw material, target product and capacity to Kadali Africa Ventures for a technical proposal.

Request a QuoteWhatsApp