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Supercritical fluid extraction technology is best suited for the extraction of natural products. As there is an increasing concern for safe, eco-friendly and pollution free manufacturing processes, SCFE technology provides a ready and total solution to these challenges. Its superiority over the conventional technologies of extraction, especially for natural products in the food and pharmaceutical industry is well recognized.

SCFE is a two-step process which uses carbon dioxide (CO₂) for extraction, above its critical temperature (31^oC) and critical pressure (74 bar). The feed, generally in powder form, is charged into the extractor. Supercritical CO₂ is fed to the extractor through a high pressure liquid CO2 pump. The extract laden CO₂ is sent to a separator via a pressure reduction valve. At reduced temperature and pressure conditions, the extract precipitates out in the separator. The extract free CO₂ stream, leaving the separator is then recycled to the CO2 tank.

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Chilled water cooler/ radiator is basically heat exchanger for cooling air ( including moisture condensation) using chilled water or brine. It is essentially radiator type heat exchanger using finned tubes.