| Industry | Target | Key Feature Needed | |----------|--------|--------------------| | Food (coffee, tea) | Caffeine, flavors | Hot water, countercurrent | | Pharmaceutical | Alkaloids, flavonoids | Selective solvent, low temp | | Biofuels | Oil from seeds | Hexane extraction, expeller pre-press | | Environmental | Heavy metals from soil | Acid leaching, agitation | | Nutraceutical | Polyphenols | Ultrasound/microwave, low oxygen |
Several factors can affect the efficiency of solid-liquid extraction, including: solid-liquid extraction