Application Report - Glycerine
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Glycerine: Basics, usage & the advantages of SHORTBOWL Decanter Centrifuges. Glycerine is an organic compound from the group of sugar alcohols. It is used in various industries, e.g. in the food industry, cosmetics or medicine.
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Application Report - Glycerine
- 1. Glycerine
- 2. The basics of Glycerine Glycerine is an organic compound from the group of sugar alcohols Mainly found in fats & oils Nowadays mainly as by-product of Bio-Diesel production Used in various industries, e.g. Food industry Cosmetics Medicine
- 3. Food & Dairy Food additive E 422 Used for humectant purposes Sweetener
- 4. Cosmetics Used as moisturizer
- 5. Industry Used as educt in many manufacturing processes Antifreeze Lubricant Plasticizer
- 6. Pharmaceuticals Medical substance Laxative
- 8. Raw materials for Bio-Diesel production Rapeseed plant or rape oil Use mainly in Europe Animal fats Use mainly in Europe/USA/Japan Soybeans/Soya oil Use mainly in USA/Asia Canola rape Use mainly in Canada
- 9. Example with rape as raw material
- 11. Bio-Diesel production Bio-Diesel is produced by transesterification of fats/oils and methanol. This reaction is usually catalysed by a basic catalysis, with glycerine being a by-product.
- 13. Production of Pharma-Glycerine The resulting raw glycerine contains water, salts and other residues (MONG) For pharmaceutical quality (purity 99.5 %), various purification steps are carried out Among other things, the existing solids are separated from the glycerine.
- 14. Centrifuges Successfully used in glycerine processes
- 17. Advantages Material SHORTBOWL decanters are used particularly successfully for solid/liquid separation in a suspension hot stream. Cantilever design No bearings or shafts in the hot product area. Product and drive area are separated from each other. Circulating oil lubrication The still occurring temperatures can be easily controlled by the circulating oil lubrication and an integrated oil cooler.
- 18. Average Product Parameters Suspension Temperature T = 170 – 200°C Suspension Solid Concentration Csolid = 10 – 30 Gew.-% Particle Size d50 = 80 – 300 µm
- 19. Typical Machine Sizes SHORTBOWL decanter centrifuge Liquid [l/h] Solid matter[kg/h] 250 0 - 1000 0 - 100 400 1000 - 3000 200 - 1000 500 3000 - 8000 1000 - 2000 600 8000 – 15000 2000 - 3000
Editor's Notes
- For 100 kg of glycerine, approximately 2.63 t of rapeseed are needed.