A new mixed organic acid of citric acid and salicylic acid is proposed to recover valuable Co and Li ions from spent LIBs. Under the optimum leaching conditions, the leaching efficiencies of Co and Li ions can reach 99.5% and 97%.
This text was mainly studied the extraction flavonoids technology from Momordia cochinchinensis seeds. The optimum extraction condition was as follows: when the ratio of liquid to solid was 20:1, the ethanol concentration was 90% and the extraction time was 2h. Under this condition, the actual average yield of flavonoids could reach 0.363%.
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