Oilseeds

Oilseed Drying (Groundnut, Mustard, Sunflower, Sesame)

Oilseed drying covers crops as different as groundnut pods, mustard, sesame and sunflower, each with its own size, oil content and storage target. Oilseeds must be dried lower than cereals, often to 7–9%, because their oil-rich kernels mould and develop aflatoxin or rancidity at moisture levels that cereals tolerate.

Quick answer

To dry oilseeds, GEM recommends the Grain Dryer. Typical moisture is 15–35% in the feed and 7–12% after drying. Vibratory Fluid Bed Dryer and Band Dryer are used when the feed or site calls for it. Every project starts with a pilot trial on your own sample.

1998established112+installations7countriesDried & Testedin-house pilot trialsCertifications · Case studies
The challenge

What makes Oilseeds hard to dry

  • Groundnut pods harvested fresh are very wet and develop aflatoxin quickly if drying is delayed.
  • Tiny seeds like mustard and sesame flow through standard screens and need fine perforations.
  • High oil content means overheating raises free fatty acids and peroxide values, lowering oil quality.
  • Mixed crops in one plant need recipe-based control because safe temperatures differ widely.
How GEM dries it

The right dryer for Oilseeds

A grain dryer with fine-perforated sections and per-crop temperature recipes handles most pulses and oilseeds. A band dryer suits groundnut pods dried in a static bed, and a vibratory fluid bed suits small seeds such as mustard and sesame.

Typical feed moisture15–35%
Typical target moisture7–12%
Recommended dryerGrain Dryer
AlternativesVibratory Fluid Bed Dryer, Band Dryer
Application areaGrains, Pulses & Seeds
IndustriesAgriculture & Grain Processing
The value

What drying Oilseeds unlocks

Fast, even drying reduces aflatoxin rejection in groundnut exports and protects oil yield and quality for crushers. Drying capacity also lets traders buy wet crop at a discount.

Dried Oilseeds becomes

  • Groundnut kernels and pods
  • Mustard, sesame and sunflower for crushing
  • Seed for sowing
For buyers

Buying a Oilseeds dryer?

Plants searching for a oilseed dryer or comparing a groundnut drying machine usually need three answers: which dryer fits, what it costs to run, and how fast it pays back. For Oilseeds, we start from your throughput, current moisture (typically 15–35%) and the target (7–12%), trial a sample on the Grain Dryer, and return a sized recommendation with a budget quotation for your agriculture operation.

FAQ

Oilseeds: questions buyers ask

Why do oilseeds need lower storage moisture than cereals?
Their kernels hold much less water at the same air humidity, so oilseeds at cereal moisture levels are effectively too wet. Typical targets are around 7–9% for many oilseeds.
Can one dryer handle groundnut and mustard?
It can, with suitable screens and separate temperature recipes, but capacity differs greatly between the two. We review your crop mix and season before recommending one or two units.
Related

Related materials

Compare all 17 materials in Grains, Pulses & Seeds.

Send us a sample. See it dried.

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  1. Tell us the material, moisture and throughput.
  2. An engineer confirms the trial plan and sample shipping.
  3. You get drying data and a sized recommendation with a budget quotation.

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