Supercritical extraction equipment

Supercritical extraction equipment

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Credit: JAMES KING-HOLMES/SCIENCE PHOTO LIBRARY

Caption: Supercritical extraction equipment. A researcher's hand holds a flask of plant compounds extracted in solvent. They have been extracted using a process known as supercritical extraction. This involves extracting chemicals under high pressure and temperature using carbon dioxide as a solvent. It allows the extraction of compounds from plant matter without using environmentally harmful solvents. This technique has been used by researchers from the Green Chemistry Group at the University of York, UK, to extract wax from waste wheat straw. The wax is valuable to the cosmetics industry and other wax products. Photographed in 2006.

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Keywords: alternative crops, biochemical, biomaterial, bioproduct, biorefinery, britain, british, by-product, chemical, chemistry, clean technology, environmentally friendly, equipment, extracting, flask, green chemistry, green chemistry group, hand, heterogenous catalysis, holding, industrial and applied chemist, industrial chemist, january 2006, lab, laboratory, machine, non-toxic, novel crops, raw material, renewable resources, solvent, supercritical extraction, uk, united kingdom, university of york, waste minimalisation, wheat straw wax

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