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.INCOTEC GROUP

INCOTEC Coating and Seed Technology
PROTEIOS International
Flower Seed Technology
SeedGard (Thermoseed)

.TECHNOLOGIES

Pelleting and Encrusting
Film coating
Priming
Disinfection
Upgrading
Additives and Actives (PPPs)

FarMore D 200

FarMore D 300

DISCO High Performance

other innovative solutions

.COATING TECHNOLOGY

INCOTEC sponsors a section of SeedQuest  focused entirely on
seed coating technology

.LEARN MORE

visit our website
www.incotec.com

 
Introduction
Principle
Rotary pelleting
Batch size
Coating materials
Encrusting/pelleting
Multi-layering
Size uniformity
Dosing systems
Process optimization
Potential pitfalls
Conclusion
Evaluation of a new technology for seed encrusting and seed pelleting

Since the introduction in the early nineties of the rotary coater for film coating of vegetable seeds, this technology has been rapidly taking the place of conventional batch and even continuous seed treaters. The fast growth has been triggered by an increasing demand for more accurate pesticide application technology and the availability of suitable film coating formulations.

Nowadays, world-wide there are several suppliers offering a broad range of rotary coater types varying in size, level of automation and sophistication but all based on the same characteristic principle of the rotary technology. The very short process times and the relatively high accuracy of the seed treatment in this simple and effective batch coater, made it a coating system suitable for film coating the total spectrum of species including the lower value agricultural seeds.

While recognizing the visible advantages, it makes sense to make an evaluation of this conspicuous technology and take a close look at the various aspects from a process technological point of view.

From film coating on a rotary coater to coating with additional filler material is not a tremendous step and over the past few years a number of seed coating companies have been working on a pelleting process on the rotary coater.

 Meanwhile some companies have started to offer equipment and/or coating materials to the seed industry to do their own in-house pelleting.

When observing the rotary pelleting for the first time, it is easy to become very enthusiastic about the apparent ease and speed of the process which may take as little as 5-10minutes only. Thìs obviously in contrast with the traditional drum pelleting which by many is considered to be highly skill demanding and, with process times ranging from 90 minutes to 4 hours, to be highly time consuming.

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