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main design problems phenol production from cumene

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Design Report for Cumene Production Weebly

economic feasibility of developing a new cumene production process an existing plant site for the synthesis and purification of cumene with an output goal of 100,000 metric tons per year for a plant life of 15 years. Cumene in the global petrochemical industry is used primarily as a reactant for production of phenol.

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main design problems phenol production from cumene

Abstract: Production of Phenol From Cumene Systematic A production rate of 300,000 metric tons/year of phenol is considered. In the base case, 0.66 kg of phenol and 0.41 kg of acetone are produced per kg of cumene with an energy consumption of 23,181 kJ/kg phenol.

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Phenol Production Process Design

The production rate of concern is 190,000 metric tons per year. Basic Flow Diagram and Process Background The phenol production process is based on the oxidation and cleavage of cumene.

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Problems at the Cumene Production Facility, Unit 800

Problems at the Cumene Production Facility, Unit 800 Background Cumene (isopropyl benzene) is produced by reacting propylene with benzene. During World War II, cumene was used as an octane enhancer for piston engine aircraft fuel. Presently, most of the worldwide supply of cumene is used as a raw material for phenol production. Typically,

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DESIGN AND SIMULATION OF CUMENE PLANT USING ASPEN

To design a zeolite catalyst based cumene production process and study the sensitivity analysis. To optimize the contents of the flow sheet for minimization of loss of material along with a greater production of cumene and low requirement of energy.

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The cumene process for phenol-acetone production PDF

Phenol Quality Problem This problem has been the Achilles’ heel of the phenol process for a long time, because only top-grade phenol having a total impurity level of no more than 0.01% and meeting the stringent color standards can be used for the manufacture of carbonate plastics.

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Material Balances Design Problem Cumene Production

Material Balances Design Problem Cumene Production Background Cumene (isopropyl benzene) is produced by reacting propylene and benzene over an acid catalyst. Cumene may be used to increase the octane in gasoline, but its primary use is as a feedstock for manufacturing phenol and acetone.

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Cumene process Wikipedia

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.

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(PDF) Material Balances Design Problem Cumene Production

Material Balances Design Problem Cumene Production Background Cumene (isopropyl benzene) is produced by reacting propylene and benzene over an acid catalyst. Cumene may be used to increase the octane in gasoline, but its primary use is as a feedstock for manufacturing phenol and acetone.

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Cumene Plant Air Pollution Control Technologies Anguil

An East coast chemical plant that manufactures phenol, acetone and alphametyl styrene from cumene planned to install an air pollution control system to control the Volatile Organic Compounds (VOCs) emitted during their chemical production process. Phenol is consumed internally as an intermediate chemical while the acetone and alphametyl styrene

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Cumene Wikipedia

Cumene (isopropylbenzene) 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

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Cumene Chemical production and investment cost IHS Markit

Because of its high benzene-to-cumene selectivity, the zeolite-based process has the lowest production costs of all the processes using refinery-grade propylene. In addition, the zeolite-based process offers higher product purities and uses a regenerable catalyst, eliminating the waste disposal problems associated with the SPA and AlCl3 catalysts.

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Cumene Process,Technology, Applications, Patent

Cumene is the main feedstock for phenol/acetone production and demand is driven by market growth for the derivatives of phenol and acetone such as bis-phenol A, phenolic resins and caprolactam. Global cumene demand grew by over 5%/year.

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Phenol Plant Solves Flow Measurement Problem Chemical

Mar 25, 2014 THE PROBLEMS WITH PHENOLS Demand for phenols continues to grow because they are important intermediates in chemical manufacturing, particularly for producing precursors to plastics. This particular plant uses the cumene process, which makes phenol by reacting cumene with oxygen in the presence of an acid catalyst.

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Lecture 39: Study Case II Cumene Production (Aspen Plus

Jul 09, 2016 One of the many Case Studies Included in the Course. Useful Workshop for practical exercising ----- This is a PREVIEW; checkout this Trailer of My New Aspen Plus

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Source Assessment: Manufacture of Acetone and Phenol From

----- FIGURES Number 1 Chemistry of the main reactions in the cumene peroxidation process 12 2 Main side reactions of the cumene peroxidation process 13 3 Phenol from cumene products, byproducts, and intermediates 14 4 Process flow diagram for the Allied Chemical process technology 16 5 Process flow diagram for the Hercules process technology

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PHENOL ACETONE PLANT ippe

Production Phenol/Acetone Plant Originally licensed by British Petroleum Company, the reaction section has bee n The Distillation section counts on 2 main Distillation trains for purifying Phenol And In the Hydro Extractive/Dehydrator column products lighter than phenol (Cumene, Toluene, water, etc,) are eliminated. In the hydro

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Cumene ICIS Explore

Cumene production in Russia for first quarter 2001 was about 75 000 tonne. European production is expected to be much lower this year because of the collapse in phenol demand mid-year, which has forced cumene output to be reduced and placed margins under pressure.

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Cumene an overview ScienceDirect Topics

The cumene process (Scheme 1), developed by Hock and Lang, 24 is by far the most important synthetic process 19, 20 for the production of phenol, and accounts for more than 95% of the synthetic phenol capacity in the Western world today. In addition to the cumene synthesis process, about 3% of phenol is derived from coal.

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Mod-01 Lec-41 Cumene process plantwide control YouTube

Nov 18, 2013 Plantwide Control of Chemical Processes by Dr. Nitin Kaistha, Department of Chemical Engineering,IIT Kanpur.For more details on NPTEL visit nptel.iitm...

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Industrial catalytic processes—phenol production

Safety considerations in the production of phenol and acetone from cumene include design and operating criteria for processing the intermediate CHP. CHP decomposes rapidly to phenol and acetone when exposed to strong acids, even at low temperatures. This reaction is highly exothermic and is the second reaction step in the process.

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Cumene Honeywell UOP

A majority of cumene units are integrated with a downstream phenol unit. Combining the Q-Max process with the UOP Phenol™ process results in higher phenol yields, improved product quality and lower utility consumption. UOP Q-Max technology is currently licensed in 22 units worldwide, with a total cumene capacity greater than 6 million MTA.

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ChE 40 Design Problem faculty.kfupm.edu.sa

The best technology for cumene production is a catalytic process that is optimized at 350(C and 25 atm. pressure. The benzene is kept in excess to limit the amount of DIPB product. You are required to perform a techno-economic feasibility study including plant design for a plant to produce 100,000 T/year of Cumene.

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Mod-01 Lec-41 Cumene process plantwide control YouTube

Nov 18, 2013 Plantwide Control of Chemical Processes by Dr. Nitin Kaistha, Department of Chemical Engineering,IIT Kanpur.For more details on NPTEL visit nptel.iitm...

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Industrial catalytic processes—phenol production

Safety considerations in the production of phenol and acetone from cumene include design and operating criteria for processing the intermediate CHP. CHP decomposes rapidly to phenol and acetone when exposed to strong acids, even at low temperatures. This reaction is highly exothermic and is the second reaction step in the process.

get price

Cumene Honeywell UOP

A majority of cumene units are integrated with a downstream phenol unit. Combining the Q-Max process with the UOP Phenol™ process results in higher phenol yields, improved product quality and lower utility consumption. UOP Q-Max technology is currently licensed in 22 units worldwide, with a total cumene capacity greater than 6 million MTA.

get price

ChE 40 Design Problem faculty.kfupm.edu.sa

The best technology for cumene production is a catalytic process that is optimized at 350(C and 25 atm. pressure. The benzene is kept in excess to limit the amount of DIPB product. You are required to perform a techno-economic feasibility study including plant design for a plant to produce 100,000 T/year of Cumene.

get price

(PDF) cumene plant design.pdf باسم النمر Academia.edu

Amount of cumene to be obtained = 100,000 ton of cumene per annum. =10 /330 tons per day of cumene. = 10 /(330 x 24) tons of cumene per hr. = 12.626 x 10 3 kg of cumene per hr. =(12.626 x 10 3)/120.19 kmoles of cumene per hr. = 105.050 Kgmole/hr cumene plant design.pdf. Material Balances Design Problem Cumene Production Background. By

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PERP Program Phenol/Acetone/Cumene New Report Alert

PERP Program Phenol/Acetone/Cumene New Report Alert July 2007 Nexant’s ChemSystems Process Evaluation/Research Planning program has published a report, Phenol/Acetone/Cumene (05/06-4).To view the table of contents or order this report, please click

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Solved: Based On The Following Information Of The Cumene P

Presently, most of the worldwide supply of cumene is used as a raw material for phenol production. Typically, cumene is produced at the same facility that manufactures phenol The plant manufactures cumene in Unit 800 by a vapor-phase alkylation process that uses a

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SMAH: PHENOL

Apr 07, 2011 The main use of phenol is as a feedstock for phenolic resins, bisphenol A and caprolactam (an intermediate in the production of nylon-6). It is used in the manufacture of many products including insulation materials, adhesives, lacquers, paint, rubber, ink, dyes, illuminating gases, perfumes, soaps and toys.

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Design and Control of the Cumene Process Industrial

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. Since the second has a higher activation energy than the first, low reactor temperatures improve selectivity of cumene.

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Abstract: Production of Phenol From Cumene Systematic

A production rate of 300,000 metric tons/year of phenol is considered. In the base case, 0.66 kg of phenol and 0.41 kg of acetone are produced per kg of cumene with an energy consumption of 23,181 kJ/kg phenol. The base case design annual profit is estimated to be

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main design problems phenol production from cumene

(203r) Production of Phenol From Cumene The design of the phenol production process is developed as part of the MSc-level course on Process Design at DTU. As the base case design, auto-catalyzed oxidation of cumene to cumene hydroperoxide subsequently cleaved over a solid catalyst to phenol and acetone is selected. main design problems

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6 Alkylation of Benzene by Propylene to Cumene

Alkylation of Benzene by Propylene to Cumene 173 6 6.1 Basis of Design 6.1.1 Project Defi nition Isopropylbenzene, also known as cumene, is among the top commodity chemicals, taking about 7 8% from the total worldwide propylene consumption. Today, the cumene is used almost exclusively for manufacturing phenol and acetone.

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Acetone Production and Manufacturing Process ICIS Explore

The main process for manufacturing cumene involves the reaction of propylene and benzene in the presence of phosphoric acid-based catalysts or, more recently, zeolite catalysts. The cumene is oxidised in the liquid phase to cumene hydroperoxide which is then cleaved in the presence of sulphuric acid to phenol and acetone.

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What's New in Phenol Production? acs

Mar 21, 2016 In the Hock process (Figure 2), cumene (1, made by alkylating benzene with propylene) is oxidized to cumene hydroperoxide (2), which is then cleaved to a mixture of phenol (3) and acetone (4) by treating it with H 2 SO 4. The good news is that for every 10 kg of phenol produced, 6.2 kg of acetone is coproduced.

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