How does the extraction process work?
The objective of the extraction plant is to recover components from raw materials useful in production. Most extraction equipment extracts ingredients by dissolving the raw materials in liquid solvents, and later, the component is recovered from the liquid. The extraction work relies on the principle that soluble components can be separated from insoluble mixtures by dissolving them in a suitable solvent. The extraction technique is used in raw materials with only solids and liquids or solids and solutions. When a soluble component is introduced to the liquid or solution, the liquid extraction begins to recover valuable soluble components. Sometimes the extraction method separates all soluble compounds, and the residue is used for further production, like in coffee extraction. Some solvents used in extraction include organic solvents like hexane, water and alcohol. Before extraction, raw materials are usually pre-treated by heating or roasting. Some industrial plants use countercurrent extraction since they produce concentrated extracts and can process huge amounts of raw materials within a short timeframe.
What are the applications of the extraction plant?
After extraction, you can recover and use the extracted material to produce various food and pharmaceutical products. A typical application of the extraction equipment is sugar production from sugar cane or sugar beets. The beets and sugar canes are cut into thin slices and pass through the extraction apparatus to squeeze out impure beet pulp and sugar juice. After extraction, you can recover the sugar particles through crystallisation. Producers of crude vegetable oil also rely on extraction processes in producing vegetable oil from seeds. The process involves cleaning and drying soybeans, sunflower seeds or rapeseeds to extract oil. In pharmaceutical industries, you can use extraction methods to extract active compounds from herbs and medicinal plants.
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