| 胡椒碱在超临界和近临界二氧化碳中的溶解度 |
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| 作者姓名： | A.C. Kumoro Harcharan Singh Masitah Hasan |
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| 作者单位： | 1. Department of Chemical Engineering, Faculty of Engineering Diponegoro University, SH Tembalang Semarang 50139, Indonesia;2. Mewah Oil Sdn Bhd, Lot 40, Section 4, Fasa 2A, Pulau Indah Industrial Park, Jalan Sungai Pinang 5/1, Pulau Indah, 42920 Pulau Indah, Selangor Darul Ehsan, Malaysia;3. Department of Chemical Engineering, Faculty of Engineering, University of Malaya 50603 Kuala Lumpur, Malaysia |
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| 基金项目： | Supported by the IRPA Project of the Ministry of Science,Technology and Innovation,Malaysia (09-02-03-0101-EA0001);Fundamental Research Grant 2009 Directorate General of Higher Education,Ministry of National Education,the Republic of Indonesia |
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| 摘 要： | Piperine is a member of the lipids family commonly found in peppercorn, ginger and other natural sources and is grouped as an alkaloid. The solubility of piperine has been determined in carbon dioxide at near critical and supercritical conditions in a dynamic extraction apparatus. The conditions studied were at pressures ranging from 10 to 20 MPa and temperatures at 293, 300, 313, 323 and 333 K. The results showed that piperine solubility increased with increasing pressure at all temperatures studied. The solubility of piperine in near critical conditions was slightly higher than that at supercritical conditions only at the low-pressure range. Two semi-empirical density dependent correlations, namely the Chrastil model and the Dilute Solution model, were also used to estimate the solubility data. Although both models showed good correlation with the solubility data, the Dilute Solution model performed better prediction than the Chrastil model.
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| 关 键 词： | solubility piperine supercritical near critical carbon dioxide |
| 收稿时间： | 2009-2-10 |
| 修稿时间： | 2009-7-10
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Solubility of Piperine in Supercritical and Near Critical Carbon Dioxide |
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| A.C. Kumoro,Harcharan Singh,Masitah Hasan.Solubility of Piperine in Supercritical and Near Critical Carbon Dioxide[J].Chinese Journal of Chemical Engineering,2009,17(6):1014-1020. |
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| Authors: | AC Kumoro Harcharan Singh Masitah Hasan |
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| Affiliation: | 1. Department of Chemical Engineering, Faculty of Engineering Diponegoro University, SH Tembalang Semarang 50139, Indonesia;2. Mewah Oil Sdn Bhd, Lot 40, Section 4, Fasa 2A, Pulau Indah Industrial Park, Jalan Sungai Pinang 5/1, Pulau Indah, 42920 Pulau Indah, Selangor Darul Ehsan, Malaysia;3. Department of Chemical Engineering, Faculty of Engineering, University of Malaya 50603 Kuala Lumpur, Malaysia |
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| Abstract: | Piperine is a member of the lipids family commonly found in peppercorn, ginger and other natural sources and is grouped as an alkaloid. The solubility of piperine has been determined in carbon dioxide at near critical and supercritical conditions in a dynamic extraction apparatus. The conditions studied were at pressures ranging from 10 to 20 MPa and temperatures at 293, 300, 313, 323 and 333 K. The results showed that piperine solubility increased with increasing pressure at all temperatures studied. The solubility of piperine in near critical conditions was slightly higher than that at supercritical conditions only at the low-pressure range. Two semi-empirical density dependent correlations, namely the Chrastil model and the Dilute Solution model, were also used to estimate the solubility data. Although both models showed good correlation with the solubility data, the Dilute Solution model performed better prediction than the Chrastil model. |
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| Keywords: | solubility piperine supercritical near critical carbon dioxide |
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