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The Pelleting Process

Published: March 15, 2013
Summary
INTRODUCTION TO PELLETING The Purpose of Pelleting Pelleted feeds have been defined as “agglomerated feeds formed by extruding individual ingredients or mixtures by compacting and forcing through die openings by any mechanical process”. Basically, the purpose of pelleting is to take a finely divided, sometimes dusty, unpalatable and difficult-to-handle feed material and, by usin...
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Authors:
Mark Heimann
CPM – California Pellet Mill
Scott Anderson
CPM – California Pellet Mill
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Enrique Diaz
Anderson International Corp
8 de abril de 2013

Mark,
This information remind me the CPM Pelleting Process Handbook containing very good information regarding this process.
There is something that we (as a professionals in the Industry) need to clarify when we handle this theme.
Pelleting is not hte same as extruding, many people get confussed abot this terminology, both process use steam as the vector to accomplish the required degree of cooking and starch gelatinization, obviously, with different levels of moisture between both processes.

We call Pellets to the feed produced by mechanical pressing between the rolls surface on the pellet die into e pellet mill, on the other hand, we call "Collets" to the feed produced by using and expander where mechanical friction is produced and also the product is forced to pass thru several dies with shapes and specefic configurations dependieng of the feed being produced.

This is only a brief contribution to your very good article.
Thank you.

Enrique Diaz, P.E.
Sales/Service Process Engineer
R&D Equipment Company
Fort Worth, TX USA

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Sushil Chandra
10 de abril de 2013

Its very informative and good article about pelleting process. 

The basics of converting mash feed to pellet, is passing the mash through steam conditoning first for proper geletinization and then through pellet die,where high temp and high pressure is required.Thus the entire feed gets cooked for better digestion, speedy metabolism and better utilisation of nutrients, one gets better FCR.
Pellting of feed is an efficient way on utilising some non conventional feed raw materials too which have pallatibilty problems.

Dr Sushil Chandra
Feed Milling consultant
Pune
India

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Rajesh
Phoenix Group
7 de mayo de 2013

Its very informative and good article about pelleting process.

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Dr Shaveta Sood
Zamira Life science
9 de mayo de 2013

A very informative article indeed about pelleting process. A help required. 

To make a pellet of 11 mm with more than 5% oil, how many rpm should be required to maintain the length of the pellet.

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PRAKASH P. AMBALKAR
2 de octubre de 2014
Very comprehensive article thank you for vast amount of information and knowledge, but I would further like to know how to find the pressure and energy utilization statistics for knowing the techno economic benefits of the entire pelleting process. Is there any design change is possible in the pelleting die to reduce the bulk density of ejected pellets? Thank you again for providing vast amount of information. PP AMBALKAR
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