Adsorption of soy oil free fatty acids by rice hull ash
Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isoth...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Proctor, Andrew [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1990 |
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| Schlagwörter: |
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| Anmerkung: |
© The American Oil Chemists’ Society 1990 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of the American Oil Chemists Society - Springer-Verlag, 1947, 67(1990), 1 vom: Jan., Seite 15-17 |
|---|---|
| Übergeordnetes Werk: |
volume:67 ; year:1990 ; number:1 ; month:01 ; pages:15-17 |
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| DOI / URN: |
10.1007/BF02631381 |
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| 520 | |a Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. | ||
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10.1007/BF02631381 doi (DE-627)OLC2068111659 (DE-He213)BF02631381-p DE-627 ger DE-627 rakwb eng 660 VZ Proctor, Andrew verfasserin aut Adsorption of soy oil free fatty acids by rice hull ash 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1990 Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. Free Fatty Acid Lutein Free Fatty Acid Content Rice Hull Free Fatty Acid Concentration Palaniappan, Sevugan aut Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 67(1990), 1 vom: Jan., Seite 15-17 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:67 year:1990 number:1 month:01 pages:15-17 https://doi.org/10.1007/BF02631381 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_26 GBV_ILN_70 GBV_ILN_95 GBV_ILN_183 GBV_ILN_252 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 67 1990 1 01 15-17 |
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10.1007/BF02631381 doi (DE-627)OLC2068111659 (DE-He213)BF02631381-p DE-627 ger DE-627 rakwb eng 660 VZ Proctor, Andrew verfasserin aut Adsorption of soy oil free fatty acids by rice hull ash 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1990 Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. Free Fatty Acid Lutein Free Fatty Acid Content Rice Hull Free Fatty Acid Concentration Palaniappan, Sevugan aut Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 67(1990), 1 vom: Jan., Seite 15-17 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:67 year:1990 number:1 month:01 pages:15-17 https://doi.org/10.1007/BF02631381 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_26 GBV_ILN_70 GBV_ILN_95 GBV_ILN_183 GBV_ILN_252 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 67 1990 1 01 15-17 |
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10.1007/BF02631381 doi (DE-627)OLC2068111659 (DE-He213)BF02631381-p DE-627 ger DE-627 rakwb eng 660 VZ Proctor, Andrew verfasserin aut Adsorption of soy oil free fatty acids by rice hull ash 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1990 Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. Free Fatty Acid Lutein Free Fatty Acid Content Rice Hull Free Fatty Acid Concentration Palaniappan, Sevugan aut Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 67(1990), 1 vom: Jan., Seite 15-17 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:67 year:1990 number:1 month:01 pages:15-17 https://doi.org/10.1007/BF02631381 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_26 GBV_ILN_70 GBV_ILN_95 GBV_ILN_183 GBV_ILN_252 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 67 1990 1 01 15-17 |
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10.1007/BF02631381 doi (DE-627)OLC2068111659 (DE-He213)BF02631381-p DE-627 ger DE-627 rakwb eng 660 VZ Proctor, Andrew verfasserin aut Adsorption of soy oil free fatty acids by rice hull ash 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1990 Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. Free Fatty Acid Lutein Free Fatty Acid Content Rice Hull Free Fatty Acid Concentration Palaniappan, Sevugan aut Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 67(1990), 1 vom: Jan., Seite 15-17 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:67 year:1990 number:1 month:01 pages:15-17 https://doi.org/10.1007/BF02631381 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_26 GBV_ILN_70 GBV_ILN_95 GBV_ILN_183 GBV_ILN_252 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 67 1990 1 01 15-17 |
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10.1007/BF02631381 doi (DE-627)OLC2068111659 (DE-He213)BF02631381-p DE-627 ger DE-627 rakwb eng 660 VZ Proctor, Andrew verfasserin aut Adsorption of soy oil free fatty acids by rice hull ash 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1990 Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. Free Fatty Acid Lutein Free Fatty Acid Content Rice Hull Free Fatty Acid Concentration Palaniappan, Sevugan aut Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 67(1990), 1 vom: Jan., Seite 15-17 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:67 year:1990 number:1 month:01 pages:15-17 https://doi.org/10.1007/BF02631381 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_26 GBV_ILN_70 GBV_ILN_95 GBV_ILN_183 GBV_ILN_252 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 67 1990 1 01 15-17 |
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Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. © The American Oil Chemists’ Society 1990 |
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Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. © The American Oil Chemists’ Society 1990 |
| abstract_unstemmed |
Abstract Studies demonstrated that free fatty acids can be adsorbed from a soybean oil/hexane miscella by inorganic rice hull ash. A 1% dose was effective in diminishing free fatty acid concentrations but acid activation reduced the adsorption. Binding of free fatty acids followed a Freundlich isotherm with smaller doses of ash adsorbing more efficiently. Addition of isopropanol to the miscella promoted the adsorption, while water deactivation of the ash had no effect, possibly because water occupied sites not accessible to free fatty acids. Impaired adsorption behavior of ash heated above 700°C could have been due to disruption of the crystal form. The adsorption behavior of rice hull ash may be more fully understood with a better knowledge of adsorbent structure. © The American Oil Chemists’ Society 1990 |
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Adsorption of soy oil free fatty acids by rice hull ash |
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