Effects of Temperature, Pressure, and Oxygen Solubility in Liquid Phase Oxidation of Cyclohexane PDF Download
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Author: Radmila Jevtic
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages :
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Book Description
Author: Radmila Jevtic
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages :
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Author: I. V. Berezin
Publisher: Elsevier
ISBN: 148318563X
Category : Science
Languages : en
Pages : 305
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Book Description
The Oxidation of Cyclohexane focuses on the processes, methodologies, reactions, and approaches involved in the oxidation of cyclohexane. The publication first offers information on the theory of slow chain oxidations and the products of liquid-phase cyclohexane oxidation. Discussions focus on the applicability of the stationary state method to liquid-phase oxidation reactions; mechanism of liquid hydrocarbon chain oxidation; kinetic equations for product accumulation in degenerate branching chain reactions; and changes of the volume of the liquid phase due to oxidation product formation. The text then ponders on experimental apparatus for the study of the liquid-phase oxidation of cyclohexane, including prevention of cyclohexane losses in the waste gases, explosion danger and problems of safety, and characteristics of gas sampling in cyclohexane oxidation apparatus. The manuscript takes a look at the kinetics of uncatalyzed cyclohexane oxidation and kinetics of cyclohexane oxidation in continuous flow systems. Topics include effect of temperature on the relative yield of cyclohexane oxidation products; kinetics of cyclohexane oxidation in a glass reactor; rate of oxygen absorption and accumulation of reaction products; ideal displacement reactor; and determination of diffusion factor. The publication is a dependable reference for readers interested in the oxidation of cyclohexane.
Author: Nikolaĭ Markovich Ėmanuėlʹ
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 374
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Author: Zachary J. Fink
Publisher:
ISBN:
Category :
Languages : en
Pages : 162
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Book Description
Author: Ronald Clive Ashline
Publisher:
ISBN:
Category : Cyclohexane
Languages : en
Pages : 324
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Author: Carl Edgar Snyder
Publisher:
ISBN:
Category : Cyclohexane
Languages : en
Pages : 110
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Book Description
Author: M. Nakahigashi
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
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Book Description
Author: Jian Guo
Publisher:
ISBN:
Category : Cyclohexane
Languages : en
Pages : 356
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Book Description
Author: A. Krzysztoforski
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Author: Radmila Jevtic
Publisher:
ISBN: 9781109051513
Category :
Languages : en
Pages : 114
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Book Description
Cyclohexane oxidation is an industrially important reaction used as the first step in production of Nylon 6 and Nylon 6,6. Commercial technology employs a two stage process. The first stage of cyclohexane oxidation is very inefficient with 4-8% conversion of cyclohexane with 80% selectivity to cyclohexanol and cyclohexanone as desired products. According to some previously published work, using pure oxygen as an oxidant instead of conventionally used air, decreases the time needed to achieve 4% cyclohexane conversion; thus, increasing volumetric productivity at reported increased selectivity. The focus of this work was to systematically examine the effect of increased availability of oxygen on the rates and the selectivity of cyclohexane oxidation. It was concluded from the experimental and the modeling results that increased oxygen availability improves the productivity of cyclohexane oxidation at the fixed cyclohexane conversion (4%) as the residence time required achieving such conversion declines with the increase in oxygen concentration. A novel capillary reactor has been designed and tested for cyclohexane oxidation as a safer and more efficient way for hydrocarbon oxidation with oxygen or oxygen enriched air. The discrepancy between the experimental and modeling results was attributed to lower than expected gas-liquid mass transfer in the capillary Thus, it was concluded that the gas liquid reactions of this nature can be performed in the small diameter capillary reactor but the gas-liquid mixing has to be resolved in a better fashion and mass transfer improved.
