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i am a student of the Food Technology Dept. of the University of Thessaloniki in Greece. I am preparing an assay about the extraction of cottonseed oil using hexane extraction and i am looking for the partition coefficients of the extraction process. Up to now my research has not led to results and i honestly don't know even how the partition coefficient is calculated for this case. Do you have any related information?
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Cottonseed Hexane Extraction
Started by Guest_Alex-Greece_*, May 19 2004 04:01 AM
4 replies to this topic
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#2
mbeychok
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Posted 21 May 2004 - 01:21 PM
The Agriculture department at Texas A&M University in College Station, Texas, USA did a lot of research work on cottonseed oil many years ago. You might try contacting them. I am sure you can find them on the Internet by using the Google search engine.
#3
Guest_Alex-Greece_*
Guest_Alex-Greece_*
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Posted 22 May 2004 - 09:11 AM
thank you for your reply. I think i found my way with the coefficients but there is something else. I can't find the solubility of cottonseed oil in hexane (g/l) and vice versa(!) even though i google a lot. i am using this not so appropriate software (SuperPro Designer) for the flowsheet and i need both solubilities. Does anyone think he/she can help?
Alex
Alex
#4
Guest_Guest_*
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Posted 23 May 2004 - 10:54 PM
Alex:
I can't give you the solubility data of cottonseed oil in Hexane although I did a lot of lab solubility runs for W. B. Harris at Texas A&M during my student senior year at Texas A&M, working at the Experiment Station Lab. This work, that Milton correctly points out, was done under a grant in the Texas A&M Agricultural Experiment Station.
That was over 40 years ago and Texas A&M has also done studies on cottonseed oil using acetone and Isopropyl Alcohol. As Milton says, this work could easily be available for public use; it's all a matter of contacting the Texas A&M University System and their Agriculatural Experiment Station and finding out if the results of all the engineering studies done are available. This could/might save you a bunch of time and effort.
I did a series of solubility runs using Hexane at varying temperatures and pressures. I recall that we used a high pressure Jerguson level gauge as a chamber. We devised a light in back of it and we could see the cottonseed oil and Hexane interface while running the experiment. This was a neat student job that I had at A&M my last year there.
The work on cottonseed oil was started at A&M long before I got there and continued after I left. The cotton growers in Texas subsidized the studies done at A&M. I hope this information helps to reinforce Milton's idea.
Art Montemayor
Spring, TX
I can't give you the solubility data of cottonseed oil in Hexane although I did a lot of lab solubility runs for W. B. Harris at Texas A&M during my student senior year at Texas A&M, working at the Experiment Station Lab. This work, that Milton correctly points out, was done under a grant in the Texas A&M Agricultural Experiment Station.
That was over 40 years ago and Texas A&M has also done studies on cottonseed oil using acetone and Isopropyl Alcohol. As Milton says, this work could easily be available for public use; it's all a matter of contacting the Texas A&M University System and their Agriculatural Experiment Station and finding out if the results of all the engineering studies done are available. This could/might save you a bunch of time and effort.
I did a series of solubility runs using Hexane at varying temperatures and pressures. I recall that we used a high pressure Jerguson level gauge as a chamber. We devised a light in back of it and we could see the cottonseed oil and Hexane interface while running the experiment. This was a neat student job that I had at A&M my last year there.
The work on cottonseed oil was started at A&M long before I got there and continued after I left. The cotton growers in Texas subsidized the studies done at A&M. I hope this information helps to reinforce Milton's idea.
Art Montemayor
Spring, TX
#5
Guest_Alex-Greece_*
Guest_Alex-Greece_*
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Posted 26 May 2004 - 05:11 PM
thank you for your reply. i have found a quite interesting work of Leo et al. 1971 about partition coefficients and i think it was what i was looking for. unfortunately deadlines didnt allow to do a more in-depth research.
Alex
Alex
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