Enhanced separation of chlorogenic and gallic acids extracted from spent coffee grounds using a three‐zone simulated moving bed process with partial feed and partial collection strategies
Abstract:BACKGROUND
Spent coffee grounds, a valuable source of phenolic compounds, are considered beneficial for human health because of their antioxidative properties. The liquid extract containing phenolic compounds (such as chlorogenic and gallic acids) can be obtained via extraction using environmentally friendly organic solvent. The separation of chlorogenic and gallic acids from the liquid extract was carried out using isocratic chromatography technique in a three‐zone simulated moving bed (SMB). However, due to … Show more
“… where is the retention time of substance i (min). is the bed porosity, which is 0.35, as obtained from the previous work [ 26 ]. is the linear adsorption isotherm constant of substance i.…”
“… where is the retention time of substance i (min). is the bed porosity, which is 0.35, as obtained from the previous work [ 26 ]. is the linear adsorption isotherm constant of substance i.…”
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