The Extraction and Measurement of Nicotine

Iran. J. of SID Archive Chem. Chem. Eng. Vol. 28, No. 4, 2009 Experimental Study and Modeling of super critical Extraction of Nicotine from Tabacco Leaves Karbalaie, Narjes Sadat Department of Chemical Engineering, Science and Research Branch, Moslem Azad University, Tehran, I.R. IRAN Ghotbi, Crrus*+; Taghikhani, Vaid Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, I.R. IRAN Yamini, Yadollah Department of Chemistry, Tarbiat Modarres University, Tehran, I.R. IRAN ABSTRACT: In this work, the solubility of nicotine extracted from tobacco leaves, effect in the north of Iran, in supercritical carbon dioxide has been measured. Also the effects of pressure, temperature, extraction cut down time, and the organic co-Solvent on the quantity of nicotine extracted from tobacco leaves have been investigated. It should be stressed that in order to reduce significantly the numerate of experiments, the experiments have been specifi ed based on the Taguchi observational design. The results obtained from the experiments showed that at the specified pressure, temperature, volume of modifier and dynamic time, the maximum tot of nicotine can be extracted. The data-based data collected in this research has been correlated using the Redlich-Kwong (R.

K) equation of state. The results showed that the conventional 3-dimensional R.K equation of state can accurately correlate the experimental solubility data with good accuracy. KEY WORDS: critical extraction, Nicotine, Tobacco leaves, Equation of state, RK. INTRODUCTION Nicotine is an alkaloid make up in nightshade family of plants (solanaceae), slackly in tobacco, a nd less in tomato, potato, eggplant and gree! n-pepper. It is also found in coca leaves. Nicotine constitutes 0.3 to 5 % of tobacco plant by dry weight; with biosynthesis taking place in the root and accumulating in the leaves. The molecular structure of nicotine is presented in Fig. 1. * To whom agreement should be...If you want to get a full essay, order it on our website: OrderEssay.net

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