cumene process encyclopedia

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An economic and monetary union is a single market with a common currency. It is to be distinguished from a mere monetary union (e.g. the Latin Monetary Union in the 1800s), which does not involve a single market. The only economic and monetary union at present is the European Union.. Also called the Euro Zone[?]. See: Euro.

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Source Assessment: Manufacture of Acetone and Phenol From

The cumene peroxidation process has accounted for 93% of the installed continental U.S. synthetic phenol production capacity and 60% of the installed continental U.S. synthetic acetone production capacity (excluding Puerto Rico). The process description in this section presents the cumene per- oxidation process chemistry and technology.

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alkenes

Alkenes are unsaturated hydrocarbons that contain one or more double carbon-carbon bonds. Alkenes with just one double C-C bond (monoalkenes) form an homologous series with the general formula C n H 2n.The first few members of this series are ethene, propene, butene, and pentene, their names being derived from those of the corresponding alkanes by replacing the suffix –ane by –ene.

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Method for the production of phenol and acetone

Jan 27, 2009A method for the production of phenol and acetone from a cumene hydroperoxide mixture comprising: decomposing the cumene hydroperoxide mixture in the presence of a catalyst mixture to form a mixture comprising phenol and acetone, wherein the method further comprises: a) forming the catalyst mixture in a catalyst formation reactor by combining sulfuric acid and phenol in a weight ratio of from

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Cumene

Cumene is an organic compound that is based on an aromatic hydrocarbon with an aliphatic substitution. It is a constituent of crude oil and refined fuels. It is a flammable colorless liquid that has a boiling point of 152 C. Nearly all the cumene that is produced as a pure compound on an industrial scale is converted to cumene hydroperoxide, which is an intermediate in the synthesis of other industrially important

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Propene

Propene is an organic compound. The substance is also known as propylene and has the formula C 3 H 6. It is the second-simplest alkene. Since it is only made of hydrogen and carbon atoms, it is a hydrocarbon. At room temperature and normal pressure it is a gas. Uses. Propene is produced from fossil fuels, and from coal.

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Kinetics of catalyst

The value corresponds to radical chain process of the cumene autoxidation. Under assumption of pseudo-first order reaction, the rate constant of CHP formation was found to change from k CHP ≈ 0.76 s −1 during the first 4 h of photo-oxidation to k CHP ≈ 0.2 s

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Procd au cumne — Wikipdia

Le procd au cumne, ou procd au cumne-phnol, ou encore procd Hock, est un procd industriel de production de phnol C 6 H 5 OH et d'actone CH 3 COCH 3 partir du benzne C 6 H 6 et du propylne CH 3 –CH=CH 2.Il a t dcouvert en 1944 par Heinrich Hock [1] et peut-tre de faon indpendante ds 1942 par R. Ūdris et P. Sergeyev en URSS [2].

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Cumene (CICADS)

Concise International Chemical Assessment Document 18 CUMENE First draft prepared by Dr Gary Foureman, National Center for Environmental Assessment, US Environmental Protection Agency, Research Triangle Park, NC, USA Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization,

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Lovastatin – All About Drugs

Aug 07, 2016Tout sur les mdicaments הכל על תרופות كل شيئ عن الأدوية Все о наркотиках డ్రగ్స్ గురించి అన్ని 마약에 관한 모든 것 Όλα για τα Ναρκωτικά Complete Tracking of Drugs Across the World by Dr Anthony Melvin Crasto, worlddrugtracker, PH.D (ICT), MUMBAI, INDIA, Worlddrugtracker

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INDUSTRIAL DETERGENT FORMULATIONS ENCYCLOPEDIA

formulation and manufacturing process – 3 306 – concentrated acidic drain cleaner formulation and manufacturing process – 1 307 – concentrated acidic drain cleaner formulation and manufacturing process – 2 308 – concentrated acidic drain cleaner formulation and manufacturing process – 3 fuel oil tank cleaner powder and liquid

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Production of phenol

Cumene peroxidation process is a process involves the liquid phase air oxidation of cumene to cumene peroxide, which in turn is decomposed to phenol and acetone by the action of acid.During the cumene peroxidation process, there are two main raw materials used in this process which are cumene and oxygen. Oxygen is a gas form fluid.

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Propene Facts for Kids

Propene is produced from fossil fuels, and from coal. Propene is the second most important product used in the petrochemical industry, after Ethene. About two thirds are used to produce Polypropylene. Propene and benzene are converted to acetone and phenol via the cumene process. Propene is also used to produce isopropanol (propan-2-ol), acrylonitrile, propylene oxide (epoxypropane) and epichlorohydrin.

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Cumene hydroperoxide

The reference MVPs formulation uses cumene hydroperoxide as free radical initiator, in combination with a metal redox activator (aqueous solution of ferrous sulphate and diethylenetriamine), to promote cross-linking between polyester and styrene at relatively low temperatures [3], This cure initiator system is added to the aqueous phase at the beginning of the curing step.

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Process

Navigate: Home Divorce Source Encyclopedia P Process. The Research Center. Give Our Research Center a Try. Gain access to the same research material that lawyers often use to establish and win divorce cases. This material consists of legal journal articles and case explanation/analysis documents on a wide range of topics. If you think your

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Cumene hydroperoxide

The reference MVPs formulation uses cumene hydroperoxide as free radical initiator, in combination with a metal redox activator (aqueous solution of ferrous sulphate and diethylenetriamine), to promote cross-linking between polyester and styrene at relatively low temperatures [3], This cure initiator system is added to the aqueous phase at the beginning of the curing step.

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1

May 10, 2016In the first step, the acylation of cumene by acetyl chloride and acetyl anhydride was performed using two types of catalysts: classic Lewis acids and zeolites. These catalysts, along with the acylating agents, were compared and the following conclusions were formed: Acetic anhydride may be preferred as an acylating agent due to its stability, availability and the limited waste produced, i.e.,

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SNL – All About Drugs

Tout sur les mdicaments הכל על תרופות كل شيئ عن الأدوية Все о наркотиках డ్రగ్స్ గురించి అన్ని 마약에 관한 모든 것 Όλα για τα Ναρκωτικά Complete Tracking of Drugs Across the World by Dr Anthony Melvin Crasto, worlddrugtracker, PH.D (ICT), MUMBAI, INDIA, Worlddrugtracker

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Method for producing phenol and acetone

Aug 23, 2011A method for producing phenol and acetone in a multi-stage process at an elevated temperature from a cumene hydroperoxide mixture comprising cumene, comprises the steps of: a) distilling an amount of cumene from the cumene hydroperoxide mixture until the cumene mass % is 0 to 7 mass % relative to the total mass of the cumene hydroperoxide mixture,

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With preliminary treatment of feed patent application class

A polyisopropyl benzene stream is removed from an intermediate point of located between the second end and the cumene stream. 11-27-2008: 20080293984: Process for Producing Cumene - This cumene process involves contacting, in an alkylation zone, a first benzene recycle stream and a propylene feed stream with an alkylation catalyst to form

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'Propene,' in: Ullmann's Encyclopedia of Industrial Chemistry

illustrated in Figure 1. Such a process is only one of several variants that are discussed in Figure 1. Typical flow diagram for work-up of the C 3 fraction in a steam cracker plant a) Depropanizer; b) C 3 hydrogenation; c) Polymer scrubbing; d) C 3 stripper; e) C 3 splitter Vol. 30 Propene 283

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Processo al cumene

Il processo al cumene, noto anche come processo Hock, un processo utilizzato dall'industria chimica per la sintesi del fenolo e dell'acetone. Descritto dai chimici tedeschi Heinrich Hock e Shon Lang nel 1944, [1] si ritiene che anche i sovietici Rudolfs Udris e P. Sergeyev abbiano nel 1942 scoperto in modo indipendente le reazioni implicate.

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Isothermal Microcalorimetry Wikipedia The Free Encyclopedia

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US7482493B2

A well-known method for the production of phenol and acetone by oxidation of cumene with atmospheric oxygen, followed by the acid-catalytic decomposition of cumene hydroperoxide permits both end products to be produced with high yield (see, for example, Kruzhalov B. D., Golovanenko B. N., Combined Production of Phenol and Acetone, Moscow, Goskhimizdat, 1964, or Kirk-Othmer Encyclopedia of

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'Chloroprene Polymers'. In: Encyclopedia of Polymer

oxides such as cumene hydroperoxide or chloroprene peroxides. Chloroprene per-oxides are formed either by deliberate or adventitious exposure of monomer to oxygen (4,9). Maynard showed that less than 0.1% polymer was formed when spe-cially purified chloroprene monomer was allowed to age in the dark at ambient temperatures for 8 weeks.

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phenol production from cumene mass balance

Dec 16, 2012 Ore Process phenol production from cumene mass balance; Print. phenol production from cumene mass balance. Posted at:December 16, 2012[ 4.9 - 2456 Ratings] Phenol – Wikipedia, the free encyclopedia. Homogeneous mixtures of phenol and water at phenol to water mass ratios of ~2.6

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Wiley Reference Works

The Encyclopedia is an indispensable information source for all producers and users of chemical products and materials. New subjects have been added, especially in biotechnology, computer topics, analytical techniques and instrumentation, environmental concerns, fuels and energy, inorganic and solid state chemistry, composite materials and materials science in general, and pharmaceuticals.

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Processo al cumene

Il processo al cumene, noto anche come processo Hock, un processo utilizzato dall'industria chimica per la sintesi del fenolo e dell'acetone. Descritto dai chimici tedeschi Heinrich Hock e Shon Lang nel 1944, [1] si ritiene che anche i sovietici Rudolfs Udris e P. Sergeyev abbiano nel 1942 scoperto in modo indipendente le reazioni implicate.

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Cumene

Cumene. Cumene is obtained by vapor-phase (in the presence of phosphoric acid) or liquid-phase (in the presence of AlCl3) alkylation of benzene by propylene. Cumene is used as a solvent and a high-octane additive to aviation gasolines; it is also used in the production of phenol and acetone. The Great Soviet Encyclopedia, 3rd Edition (1970-1979).

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sample layout for chemical plant

Chemical plant design A chemical engineering course . Abstract The chemistry of the cumene process features the desired reaction of benzene with propylene to form cumene and the undesirable reaction of cumene with propylene to form p-diisopropylbenzene.Both reactions are irreversible.

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