Rendering Processes

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Within the rendering industry most animal by-products are processed. Poultry and Red meat by-products are the most known. Animals by-products are products from the meat production chain which do not end up on the consumer’s plate. These by-products vary from country to country depending on the eating habits of different cultures.

Application of the animal by-products

Non of the animal by-products is thrown away! However to use the animal by-products in other processes they have to be treated first. Our systems transfer the animal by-products into Meat and bone meal, Whole meal, Feathers meal, Blood meal and fats/tallow/oils. This process is called rendering. These meals can be sold to the pet food industry, feed industry etc. and the fats to the pharmaceutical industry, chemical industry, oil industry and many other. The way of processing determines the value of the end products. This is why we claim “Rendering is not waste handling it’s nutrient management!

Processing animal by-products

The dry rendering process can start with crushing and grinding, followed by heat treatment to reduce the moisture content and to kill micro-organisms. Separation of the melted fat from the solids (protein) is achieved through draining and pressing. The solid fraction is then ground into a powder, such as meat meal, meat and bone meal, Feather meal and blood meal. The fat can be clarified through decanting or settling.

Processing methods


Mavitec is the partner for rendering animal by-products, as exclusive representative of The Dupps Company, U.S.A. they have installed many installations worldwide for decades. From both Poultry or Red meat by-products our installations create the best possible end-product in the market for whole meal, feather meal, blood meal, Meat and bone meal, tallow, fat and oils.

The standard product line consist of Batch/continuous Cookers, Presses, Hammer mills, Condensers, Air treatment system, Bins and conveyors. Due to our extensive network we are able to make installations designed to clients preferences.