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SUPERCRITICAL FLUID


Posted by: seminar surveyer
Created at: Wednesday 22nd of December 2010 01:03:02 AM
Last Edited Or Replied at :Wednesday 04th of May 2011 07:18:50 PM
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itical Fluid Precipitation technology produces particles with Nano-dimension.
This technique is largely used in Pharmaceutical industry
INDEX
Introduction
Properties Of SCF
Applications
Applications ------Extraction
Applications ------Nano Particle Synthesis
Natural Occurrence
Conclusion


NATURAL OCCURRENCE
Submarine -Volcanoes: Steam & gases which are releases from the volcanoes are in high pressure (for sea depth) & temperature.


Planetary –atmosphere: Many planets atmosphere is Supercritical environment for some fluid. Like –Venus, Jupiter etc.
IND..................[:=> Show Contents <=:]



thesis topics for control and instrumentation


Posted by:
Created at: Monday 29th of October 2012 09:20:45 AM
Last Edited Or Replied at :Saturday 01st of November 2014 01:39:23 PM
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Goodafternoon.I am Reginald by name and doing by master program in Control Engineering.Pls i am in need of a project topic in instrume..................[:=> Show Contents <=:]



nanoparticle synthesis methods ppt


Posted by:
Created at: Monday 29th of October 2012 09:09:21 AM
Last Edited Or Replied at :Monday 29th of October 2012 09:09:21 AM
nanoparticle synthesis methods , nanoparticle synthesis methods ppt, ppt nanoparticle synthesis , nanoparticles preparation methods ppt, nanoparticles synthesis ppt , nanoparticle synthesis ppt, nano particle synthesis ppt , ppt for preparation method of nanoparticles, synthesis of nanoparticles ppt , ppt for nanoparticle synthesis, nanopartcle synthesis ppt , preparation of nanoparticles ppt, nanoparticles preparation ppt , synthesis nanoparticles ppt, nano synthesis ppt , ppt for preparation of nanoparticles, ppt nanoparticles , methods of nanoparticles synthesis in ppt, nanoparticles synthesis techniques ppt , synthesis method of nanoparticles ppt, nanoparticles ppt ,
i actually want to know how nano particle..................[:=> Show Contents <=:]



biological synthesis of copper nanoparticles using plant extract


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Created at: Wednesday 03rd of October 2012 06:29:57 AM
Last Edited Or Replied at :Friday 26th of July 2013 08:16:09 AM
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biological synthesis of plant based copper nanoparticles
BIOLOGICAL SYNTHESIS OF COPPER NANOPARTICLES
BIOLOGICAL SYNTHESIS OF CO..................[:=> Show Contents <=:]



PRODUCTION OF BIOGENIC SILVER NANOPARTICLES USING BOSWELLIA OVALIFOLIOLATA STEM


Posted by: seminar class
Created at: Friday 06th of May 2011 11:11:32 PM
Last Edited Or Replied at :Friday 06th of May 2011 11:11:32 PM
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d with a Thermo EDAX attachments.
3. Results and discussion
Reduction of silver ion into silver particles during exposure to the plant extracts could be followed by color change. Silver nanoparticle exhibit dark yellowish – brown color in aqueous solution due to the surface Plasmon resonance phenomenon (Fig.1). The result obtained in this investigation is very interesting in terms of identification of potential forest plant for synthesizing the silver nanoparticles. UV-Vis spectrograph of the colloidal solution of silver nanoparticles has been recorded as a function of time. Absorpt..................[:=> Show Contents <=:]



Super critical Fluids and its Applications


Posted by: seminar class
Created at: Tuesday 19th of April 2011 12:16:12 AM
Last Edited Or Replied at :Tuesday 19th of April 2011 12:16:12 AM
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te.
• Dyeing, which is readily carried out on polymer fibres such as polyester using disperse (non-ionic) dyes, is a special case of this.
Biodiesel production
• Conversion of vegetable oil to biodiesel is via a transesterification reaction, where the triglyceride is converted to the methyl ester plus glycerol. This is usually done using methanol and caustic or acid catalysts, but can be achieved using supercritical methanol without a catalyst.
• This has the advantage of allowing a greater range and water content of feedstocks (in particular, used cooking oil), the product..................[:=> Show Contents <=:]



Nano-Particulate Technology Synthesis


Posted by: seminar class
Created at: Friday 04th of March 2011 12:49:58 AM
Last Edited Or Replied at :Friday 04th of March 2011 12:49:58 AM
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t low temperatures, loose agglomerates with open structures formed
At intermediate temperatures, partially-sintered, non-spherical particles form
Control of coagulation & coalescence critical
Nanoparticles in gas phase always agglomerate
Loosely agglomerated particles can be re-dispersed with reasonable effort
Hard (partially sintered) agglomerates cannot be fully redispersed
Liquid-Phase Synthesis
Used widely for preparation of “quantum dots” (semiconductor nanoparticles)
“Sol-Gel” method used to synthesize glass, ceramic, and glasss-ceramic nanoparticles
Dispersion can be s..................[:=> Show Contents <=:]



SUPERCRITICAL FLUID


Posted by: seminar surveyer
Created at: Wednesday 22nd of December 2010 01:03:02 AM
Last Edited Or Replied at :Wednesday 04th of May 2011 07:18:50 PM
latest supercritical fluid extraction project report, supercritical fluid extraction ppt , supercritical fluids ppt, supercritical fluids ppt chemical engineering , supercritical water for nanoparticle synthesis ppt, supercritical fluid ppt , supercritical fluid extraction nanoparticle synthesis, definition of supercritical fluid , supercritical fluid extraction in food ppt, super critical fluid ppt , tea aroma and supercritical fluid extraction, natural occurence supercritical fluids , supercritical fluids electricity production, super critical fluids , seminar topic on supercritical fluids, seminar topic on supercritical fluid extraction , supercritical fluid,

Applications ------Nano Particle Synthesis
Natural Occurrence
Conclusion


NATURAL OCCURRENCE
Submarine -Volcanoes: Steam & gases which are releases from the volcanoes are in high pressure (for sea depth) & temperature.


Planetary –atmosphere: Many planets atmosphere is Supercritical environment for some fluid. Like –Venus, Jupiter etc.
INDEX
Introduction
Properties Of SCF
Applications
Applications ------Extraction
Applications ------Nano Particle Synthesis
Natural Occurrence
Conclusion


CONCLUSION

Drawbacks:-
The sy..................[:=> Show Contents <=:]



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