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Novel chromatographic process for the recovery and purification of hydroxy acids from alkaline spent pulping liquors
(Elsevier, 2018-12-14)
In this study, an efficient sequential chromatographic process for recovering hydroxy acids (HAs) from soda and kraft black liquors (BLs) has been developed. Lignin and pulping chemicals are also recovered and can be ...
Chromatographic recovery and purification of natural phytochemicals from underappreciated willow bark water extracts
(Elsevier, 2020-12-26)
Willow (Salicaceae) bark contains a variety of antioxidant phytochemicals depending mainly on the hybrid. In this study, hot water extraction of willow bark was coupled with a sequential preparative scale chromatography ...