US5430200A - Process for producing phenol from cumene ...

The cumene-to-phenol process generally comprises oxidizing cumene, C 6 H 5--CH(CH 3) 2, in air to form cumene hydroperoxide (CHP), C 6 H 5--C(OOH) (CH 3) 2. This hydroperoxide is then cleaved under dilutely acidic conditions to form the phenol product and …

Cumene - US EPA

Cumene is used as a thinner for paints, lacquers, and enamels and as a component of high octane fuels. (1,2,4) Cumene is also used in the manufacture of phenol, acetone, acetophenone, and methylstyrene. (1,8) Sources and Potential Exposure Cumene is a constituent of crude oil and finished fuels.

PERP Program – Phenol/Acetone/Cumene New Report Alert

PERP Program – Phenol/Acetone/Cumene New Report Alert July 2007 ... Mitsui has developed a process to recycle the acetone back to the cumene process. The acetone ... A further process covered is the so-called "waste-less phenol process" being promoted by ILLA.

Phenol - Essential Chemical Industry

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. ... The kinetics and thermodynamics of the phenol from cumene process: A physical chemistry experiment. Journal of ...

Cumene process - Revolvy

May 13, 2009· The cumene process (cumene-phenol process, Hock process) is an industrial process for developing phenol and acetone from benzene and propylene. The term stems from cumene (isopropyl benzene), the intermediate material during the process.

PHENOL ACETONE PLANT - Complete Plants, Process Lines ...

Phenol/Acetone Plant Originally licensed by British Petroleum Company, the reaction section has bee n ... reidintegrated to theoxid iidation process. Cumene free exhdhausted gases are sent to the atmosphere. ... In the Hydro Extractive/Dehydrator column products lighter than phenol (Cumene, Toluene, water, etc,) are eliminated. In the hydro ...

How to convert cumene to phenol - Quora

This is an old industrial process. Cumene (isopropylbenzene) is oxidized with air in the presence of a cobalt catalyst. The product is cumene hydroperoxide, which is to say PhCMe2OOH. When the hydroperoxide is heated in dilute sulfuric acid, it fragments into phenol …

Cumene | C9H12 - PubChem

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 chemicals such as phenol and acetone

Cumene | Honeywell UOP

Leading process solution to convert propylene and benzene to cumene Cumene is the primary building block for making phenol and its derivatives. UOP delivers the latest generation of cumene technology based on highly-selective, stable and regenerable zeolite catalysts .

Process Economics Program - Markit

Process Economics Program Review 2013-11 Phenol and Cumene Process Summary By Girish Ballal ... Phenol and Cumene Process Summary By Girish Ballal December 2013 Abstract Phenol is an important chemical intermediate, which is mostly consumed in the production of phenolic

The Cumene Process Is Used To Convert Benzene And ...

The cumene process is used to convert benzene and propene in the presence of oxygen to phenol and acetone via the following reaction. This reaction is carried out in with excess benzene and excess oxygen to ensure that no side reactions occur.

Source Assessment: Manufacture of Acetone and Phenol From ...

Cumene Peroxidation Process— The cumene to phenol process is described in detail in Section 3. The long version of the process includes the reaction of benzene and propylene in the presence of a catalyst to form cumene. The yield is/81% based on the weight of benzene reacted (65). Toluene Oxidation Process— This process accounts for 1.6% of ...

Cumene process | Revolvy

The cumene process (cumene-phenol process, Hock process) is an industrial process for synthesizing phenol and acetone from benzene and propylene. The term stems from cumene (isopropyl benzene), the intermediate material during the process.

Phenol Production and Manufacturing Process - ICIS Explore

Phenol was first isolated from coal tar in the coking of coal, but the first commercial process was the sulphonation of benzene and subsequent fusion with caustic soda. There are now three synthetic routes to phenol with cumene-based technology being the dominant process.

Synthesis of Phenols - CliffsNotes Study Guides

In the Dow process, chlorobenzene is reacted with dilute sodium hydroxide at 300°C and 3000 psi pressure. The following figure illustrates the Dow process. Air oxidation of cumene. The air oxidation of cumene (isopropyl benzene) leads to the production of both phenol …

Design Report for Cumene Production - Weebly

Design Report for the Production of Cumene Submitted to: Dr. John Schlup ... Stream table of cumene reaction process simulation as provided by Aspen. The ... in phenol production sites such as India (Stephan 2013). Generally, the outlook for cumene demand looks positive.

Phenol, Acetone, Cumene - Nexant

Phenol, Acetone, Cumene CHEMSYSTEMS PERP PROGRAM Phenol, Acetone, Cumene 09/10-4 Report Abstract 2 PERP 00101.0010.4105 Figure 2 Overview of Cumene Process Chemistry n There is an equilibrium that exists between diisopropylbenzene (DIPB), triisopropylbenzene (TIPB), benzene and cumene, as illustrated in Figure 3.

Phenol - CB&I

The process utilizes advanced technology for the air oxidation of cumene followed by acid-catalyzed decomposition to phenol and acetone. This state-of-the-art technology minimizes heavy by-product formation and maximizes conversion, which improves overall yield while providing smooth, reliable, and safe operation. The process features flexible,

Cumene - Wikipedia

Cumene (isopropylbenzene ... which is an intermediate in the synthesis of other industrially important chemicals, primarily phenol and acetone Production. Commercial ... an improved cumene process that uses aluminum chloride as a catalyst was developed. The overall conversion of cumene for this process can be as high as 90%. The addition of two ...

DESIGN AND SIMULATION OF CUMENE PLANT USING …

DESIGN AND SIMULATION OF CUMENE PLANT USING ASPEN PLUS A Thesis By ... Cumene production process is gaining importance and so the process needs to be studied and ... Around 98% of cumene is used to produce phenol and its co-product acetone. However, the

The cumene process for phenol-acetone production - PDF ...

Feedstock and Steam Consumption for the Process as a Whole It is seen from the practical data on the selectivity of the basic steps of the phenol process and from the values of the physical and chemical losses at the auxiliary steps of the process, the overall selectivity (for phenol) of the phenol process on the fed cumene basis is 93.9 mol ...

PRODUCTION OF PHENOL - Academic Writers Bureau

In the separation process, the side product and waste are removed to get the primary product i.e. Phenol. Basic Process Flow Diagram and background. Figure 5: Block diagram for the process of Phenol. So as to do a simulation the phenol production process is composed of two processes i.e. oxidation and cleavage of Cumene. Hock process (oxidation ...

Greener Industry - Phenol - Production Method 2

Production of 1-methylethylbenzene (cumene) ... Phosphoric acid is very corrosive, and disposal of waste from this process can be a problem. ... Decomposition of cumene hydroperoxide to phenol. The hydroperoxide is mixed with dilute sulphuric acid at 60 - 70ºC, to produce both phenol and propanone (acetone) as products. ...