Extruding/expanding

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Innovation in extrusion technology

To achieve growth on a continuous basis the extrusion industry has developed and improved some of the processing tools for the manufacture of feed. In this article a number of innovations and improvements will be discussed in detail.
For any extrusion manufacturing company to achieve growth on a continuous basis it has to add value to existing equipment and it is critical to develop and innovate new equipment. An... read more »

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Solving the feed structure dilemma with the Kahl Crown Expander

At Victam International 2011 held in Cologne, Germany, the Crown Expander of Amandus Kahl was awarded with a Golden Innovation Award. Dr Heinrich Graf von Reichenbach explains in this article how Kahl with this innovation succeeds in keeping a coarse feed structure and at the same time compress the feed to pellets in an expander system. read more >

ExtruAfrica shows potential of extrusion in feed production

The recently held ExtruAfrica 2011, the initiative of the North-West University’s (NWU) Centre of Excellence in Advanced Manufacturing (CoE) and the Department of Trade and Industry (DTI) to stimulate South Africa’s food and feed industries, attracted wide attention among local and African manufacturers. read more >

German feedmiller successful in mechanically making bypass protein

Dairy farmers do not want the protein in their cow’s feed to be digested by the microbes in the rumen. This means the protein has to be protected so it can bypass the stomachs and can be absorbed in the intestines. German feedmiller Deuka has experimented for a decade now with protecting protein with a high-temperature short-time extrusion system and gained successful results. read more >

Achieving operational harmony in extruding

When considering a state of operation that maximises efficiencies and throughput, one must consider the tools they use and how they are implemented. In terms of extrusion processing and screw wear, this refers to the proper extruder components and proper application of basic extrusion principles. read more >

Versatile twin screw extruder ideal for aquafeed

The aquafeed manufacturing industry is widely recognised as one of the fastest expanding agricultural industries in the world. Fish meal is the main protein source in aquafeed, but supply is limited, which means that alternative sources need to be used. From a processing point of view extrusion is the most efficient way of turning plant protein into fish feed. Twin screw extruders have a definite advantage in this. In this article we have a closer look at corotating twin screw extruders.   read more >
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