Liquid Phase Oxidation of Isobutane

Winkler, D. E.; Hearne, G. W.

doi:10.1021/ie50620a030

Cited by 39 publications

(30 citation statements)

References 1 publication

(1 reference statement)

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“…On the other hand, however, using DTBP as initiator the selectivity of TBHP (10 mol %) was smaller than that observed with TBHP as initiator (50 mol %). Both observations obtained with the micro reactor confirm the findings of Winkler and Hearne . This can be explained by the fact that DTBP as well as acetone, the decomposition product of DTBP , favors the decomposition of TBHP .…”

Section: Resultssupporting

confidence: 91%

“…Shah explored the possibility to use a micro reactor realizing the process as a homogeneous liquid phase reaction by heating isobutane containing dissolved oxygen, but conversions were limited (< 1 %) due to isobutane excess and short residence times. In most works the production of TBHP has been investigated using TBHP itself as initiator for the isobutane oxidation. However, often no analytical details concerning the purity, diluents or a previous treatment have been given , , .…”

Section: Introductionmentioning

confidence: 99%

“…In most works the production of TBHP has been investigated using TBHP itself as initiator for the isobutane oxidation. However, often no analytical details concerning the purity, diluents or a previous treatment have been given , , . Pure di‐ tert ‐butyl peroxide (DTBP) has been only used in a few studies , .…”

Section: Introductionmentioning

confidence: 99%

“…However, often no analytical details concerning the purity, diluents or a previous treatment have been given , , . Pure di‐ tert ‐butyl peroxide (DTBP) has been only used in a few studies , .…”

Section: Introductionmentioning

confidence: 99%

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Partial Isobutane Oxidation to tert‐Butyl Hydroperoxide in a Micro Reactor – Comparison of DTBP and Aqueous TBHP as Initiator

Willms

Kryk

Hampel

2018

Chemie Ingenieur Technik

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The oxidation of isobutane has been investigated for the first time in a micro reactor for a wide range of process conditions comparing the product ratios obtained with di‐tert‐butyl peroxide (DTBP) and tert‐butyl hydroperoxide (TBHP) as initiator. DTBP led to nearly the double conversion compared to the same concentration of TBHP, but the selectivity of TBHP using TBHP as initiator was higher. Using aqueous TBHP, the conversions reached up to 6 % in case of supercritical conditions but stayed below 2 % in case of two‐phase flow experiments. With TBHP in decane as initiator a high conversion was reached but nearly no TBHP was formed. It seems that the silicon layer of the micro reactor was not stable under such experimental conditions. In the present work, for the first time a conversion level near to that of the industrial batch process has been reached in a micro reactor for the isobutane oxidation.

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Section: Resultssupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Partial Isobutane Oxidation to tert‐Butyl Hydroperoxide in a Micro Reactor – Comparison of DTBP and Aqueous TBHP as Initiator

Willms

Kryk

Hampel

2018

Chemie Ingenieur Technik

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“…The conventional autoxidation of isobutane is aimed at the synthesis of tert-butyl hydroperoxide. 13 The oxidation is operated at around 200°C under air pressure (10 atm) to form tert-butyl hydroperoxide (about 75%), tert-butyl alcohol (about 21%), and acetone (about 2%) with a conversion of 8%. The oxidation of isobutane using NHP1/Co(II) catalyst in benzonitrile under air pressure (10 atm) yielded tert-butyl alcohol in 80% yield (eq.…”

Section: Aerobic Oxidation Of Alkanesmentioning

confidence: 99%

Development of Catalytic Carbon Radical Generation and Its Application to Organic Synthesis

Ishii

Sakaguchi

2003

J. Syn. Org. Chem., Jpn.

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Innovative carbon radical generation from hydrocarbons through a catalytic process under mild conditions has been achieved by the use of N-hydroxyphthalimide (NHPI) as a catalyst. This method can be successfully applied to a wide variety of functionalizations of hydrocarbons. Thus, alkanes are converted into alcohols, ketones, carboxylic acids, nitro alkanes and alkyl sulfonic acids through alkyl radicals generated by the action of NHPI. Hydroxysilylation was first performed by the addition of hydrosilanes and oxygen to alkenes bearing electron-withdrawing substituents. A new approach to oxyalkylation based on the concomitant addition of carbon radicals derived from alkanes or alcohols and molecular oxygen to alkenes or alkynes has been described.

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Synthesis and uses of alkyl hydroperoxides and dialkyl peroxides

Sheldon¹

1983

PATAI'S Chemistry of Functional Groups

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Liquid Phase Oxidation of Isobutane

Abstract: High yields of tert-butyl hydroperoxide, an equimolar mixture of tertbutyl hydroperoxide and tert-butyl alcohol, or tert-butyl alcohol can be obtained, depending on the conversion and the concentration of metal ions capable of decomposing hydroperoxides

Cited by 39 publications

References 1 publication

Partial Isobutane Oxidation to tert‐Butyl Hydroperoxide in a Micro Reactor – Comparison of DTBP and Aqueous TBHP as Initiator

Partial Isobutane Oxidation to tert‐Butyl Hydroperoxide in a Micro Reactor – Comparison of DTBP and Aqueous TBHP as Initiator

Development of Catalytic Carbon Radical Generation and Its Application to Organic Synthesis

Synthesis and uses of alkyl hydroperoxides and dialkyl peroxides

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