In the production of bioethanol from starch-containing cereals and sugar syrups all the raw materials are fully utilised. Besides bioethanol, various co-products are manufactured, which CropEnergies processes and markets as food and animal feed products. The next-generation bioethanol plant in Wanze, Belgium, produces wheat gluten for the food and animal feed industry in addition to bioethanol.

Other protein animal feeds are produced as co-products. ProtiGrain®, a high-grade dry stillage product (DDGS, Distillers' Dried Grains with Solubles), is produced by drying and pelletization in Zeitz. ProtiGrain® is a storable protein animal feed that is marketed throughout Europe today. ProtiWanze®, a liquid protein animal feed (CDS, Condensed Distiller's Solubles) that is particularly suitable for feeding ruminants and pigs, is produced in Wanze.

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