Râperie
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Râperie
A râperie is a small factory depending on a central sugar factory. In a râperie sugar beet are grated and the juice is extracted before it is transported to a central sugar factory. By 2023 the Râperie de Longchamps, Éghezée, Longchamps connected to the Wanze Sugar Factory in Belgium was the only remaining operational râperie. Characteristics A râperie consists of: * A truck scale, weighbridge for weighing the sugar beet * A reception area where the beet are stored temporarily * An installation to wash the beet * A machine that slices the beet into cossettes (); * Diffusers which extract the raw juice by Leaching (chemistry), leaching. In a final step before transport, some limewater, milk of lime is added to the raw juice to prevent oxidation. The raw juice is then transported to a main beet sugar factory by an underground pipeline. In the main factory the raw juice undergoes the final steps to produce sugar. The hydraulic transport from the râperie to the sugar fact ...
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Wanze Sugar Factory
The ''Wanze Sugar Factory'' was founded by the Sucreries Centrales SA. It is located in Wanze and is currently owned by Raffinerie Tirlemontoise. Wanze Sugar Factory is the only European sugar factory that still uses an outlying râperie connected by a pipeline. The râperie in Longchamps is located 23 km west of the central factory. History The central factory model In the 19th century, freight transport by road was very expensive. For factories depending on roads, this put a very narrow limit on the distance at which it was still economical to transport sugar beet. This limit was about 5–6 km. Therefore, there were a lot of small sugar factories. E.g. in Hainaut Province alone, there were about 90 sugar factories in 1877. As beet contained only about 10% sugar, the idea to split the production process came up. The extraction of the raw juice from the beet would be done in a râperie close to the farm. Only the raw juice would then be transported over a longer ...
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