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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 162 for “"Esterification"”.
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Esterification with sulfuric acid
Thesis (M.A.)--Boston University
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A study in rates of esterification
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1931.
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A study of the esterification of 2,2,4,4-tetramethyl-1,3-cyclobutanediol
1 PDF file (vi, 51 pages)
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The esterification of tall oil to obtain drying oil characteristics
… was used to maintain an inert atmosphere. The esterification was carried out in a glass, Wolfe, three-necked flash heated in a constant temperature oil bath using S.A.E. 250 gear oil as a hosting medium. Agitation was supplied by means of an air driven agitator. The runs were six hours in …
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Engineering lipases and solvents for trans/-esterification of used vegetable oils
… of biodiesel is through enzymatic trans/- esterification with a lipase catalyst. Despite several advantages, there are a few technical and economical obstacles that limit this process: (1) immiscibility of the hydrophilic methanol and hydrophobic triglyceride which results in the formation …
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SYNTHESIS AND DEVELOPMENT OF SILICON ANALOG OF FLUORESCEIN FLUOROPHORES AND ESTERIFICATION CATALYSTS
… such as fluorescence fluorophores as probes, and esterification catalysts. In the first part of the dissertation, the synthesis and characterization of a novel silicon analog of fluorescein (silyl fluorescein) was studied in detail. The photo-physical properties and toxicity studies of these …
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Factors Affecting Fatty-Acid Esterification by Rabbit and Bovine Mammary Gland Preparations
Made available in DSpace on 2015-05-12T22:36:28Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7411946.PDF: 3719210 bytes, checksum: d7f620b007b7ea642b8665c470ba8551 (MD5) Previous issue date: 1973
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Various Factors Affecting Cholesterol Esterification in Plasma Lipoproteins by Cholesterol-Lecithin Acyltransferase
Made available in DSpace on 2014-12-09T14:36:56Z (GMT). No. of bitstreams: 1 6711908.pdf: 3516717 bytes, checksum: 88d11213c2dde5ec4ec4474cfa409621 (MD5) Previous issue date: 1967
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Effect of Lecithin on the Esterification of Lipoprotein Cholesterol by Lecithin-Cholesterol Acyltransferase
Made available in DSpace on 2014-12-13T19:47:49Z (GMT). No. of bitstreams: 1 8026620.pdf: 2603585 bytes, checksum: de4e5562db3f45cfa86bbc78b4ccf72c (MD5) Previous issue date: 1980
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I. Esterification of Acids With O-Methylcaprolactim and Dimethyl-Sulfate. Ii. The Chemistry of Haplophytine
Made available in DSpace on 2015-05-12T17:02:35Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0020870.PDF: 3276988 bytes, checksum: 1edda603c9be5da109c8791b7d77f835 (MD5) Previous issue date: 1957
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Stability and esterification of lutein in bread wheat during post harvest storage in comparison with banana.
… to study the effects of temperature on lutein esterification; to compare the relative stability of free lutein and lutein esters in grain stored under wide temperatures and conditions; to confirm that esterification is an enzymic process; to examine the genetic control mechanisms; to attempt to …
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Modelling and optimisation of batch distillation involving esterification and hydrolysis reaction systems. Modelling and optimisation of conventional and unconventional batch distillation process: Application to esterification of methanol and ethanol using acetic acid and hydrolysis of methyl lactate system.
… here. Three reaction schemes such as (a) esterification of methanol (b) esterification of ethanol (c) hydrolysis of methyl lactate are studied here. Four different types of dynamic optimisation problems such as (a) maximum conversion (b) maximum productivity (c) maximum profit and (d) …
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The versatility and utilization of phosphorus based compounds in classic carbon-carbon bond forming and esterification reactions
… the initial and recycled reaction sequences. IL ESTERIFICATIONREACTION A new class oftrialkylphosphorane has been prepared through reaction of a trialkylphosphine with 2-chlorodimethylmalonate in the presence oftriethylamine. These new reagents promote the condensation reaction of carboxylic …
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A kinetic study of the base catalyzed esterification of acetic anhydride with ethyl alcohol using a high frequency oscillometer
… studying the reaction rate of the base catalyzed esterification of acetic anhydride.
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Heterogeneous and Monolithic Catalyst Development for the Biodiesel Production Process & Evaluation of Static Mixers for the Esterification Process
… processing, and they can allow for single-step esterification and transesterification for high FFA feed stocks and can significantly reduce the corrosion and environmental challenges associated with the homogeneous catalysts. Based on a comprehensive literature survey, it was concluded that the …
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Methyl esterification of fatty acids and eicosanoids with a novel reagent trimethylsilyldiazomethane for analysis by gas chromatography-mass spectrometry
… has been developed for use in the methyl esterification of drugs such as penicillin and some fatty acids. The objectives of the research were to (1) optimize the TMSD reaction conditions, (2) determine whether the TMSD reaction could support methylation of prostaglandins and other oxidized …
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Preparation, characterization and carrier gas transport characteristics of inorganic and organic membranes for application in lactic acid esterification with ethanol.
… replacement for most petrochemical solvents. The esterification process of lactic acid and ethanol to produce EL is an equilibrium-limiting reaction and the selective removal of one of the reaction products can be improved using a membrane reactor and when coupled with a heterogeneous catalyst …
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A kinetic study of the base catalyzed esterification of propionic anhydride with isopropyl and n-propyl alcohols using a high frequency oscillometer
<p>The purpose of this research project is to investigate the base catalyzed reaction of propionic anhydride with n-propyl and isopropyl alcohols using a high frequency (120 megacycles) oscillometer to follow the course of the reaction as it proceeds.</p> <p>The high frequency oscillometer has been …
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