main design problems phenol production from cumene

PDF Material Balances Design Problem Cumene ProductionKnow More

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...

Phenol From Cuemen and Toluene Distillation WaterKnow More

Your group is assigned the problem of evaluating the sketch and recommending improvements in the preliminary design Your job is to analyze a simplified phenol production process using cumene and toluene as raw materials to suggest profitable operating conditions and to write a final report summarizing your findings...

Microchannel process for phenol production via theKnow More

May 18 2019 0183 32 The microchannel process probably provides an alternative protocol for the production of phenol from CHP decomposition In addition the possible main reaction pathway for the CHP cleavage in microchannel reactor has been proposed according to the obtained results Conflict of interest The authors declare that there are no conflicts of interest...

THE PRODUCTION OF CUMENE USING Zeolite CATALYSTKnow More

This Aspen Plus model simulates the production of cumene by the alkylation of Benzene using Propylene and Zeolite catalyst The plant is designed to have a capacity of 595 million lb/yr 270 000 t/yr of cumene at a 09 stream factor This capacity is sufficient to supply cumene to a world-scale phenol plant of about 200 000 t/yr 440 million...

Reactors and Separations Design Project Production ofKnow More

Design Project Production of Cumene Process Objective Function We must now complete gathering information that will allow our firm to enter the cumene market at an opportune time To accomplish this goal we request that your design team problem your questions will require revisions and/or clarifications of the problem statement...

PHENOL ACETONE PLANTKnow More

fed to the first of said reactors to form Cumene hydroperoxide CHP in concentrations of up to 12 the mixture of Cumene and CHP overflows to the 2nd and then to 3rd oxidizer to reach 17 and 21 as CHP respectively This reaction is exothermic so that vapors with traces of cumene are carried in the spent gasses stream The Cumene is recovered...

flow diagram for the production of acetoneKnow More

Cumene Production Cumene has been used as a blending component in gasoline during the Second World War These days it is mostly an intermediate in the production of phenol and acetone 297 298 The first commercial processes employed sulfuric acid as the catalyst which was fairly quickly replaced by SPA Get Price...

process flow diagram cumene productionKnow More

process flow diagram cumene production Second Hand Concrete Batching Plants For Sale In Malaysia Market of Second Hand Concrete Batching Plants For Sale In MalaysiaDevelopment of Second Hand Concrete Batching Plants are to large-scale automated intelligen...

Design Report for Cumene ProductionKnow More

Dec 09 2015 0183 32 Isopropylbenzene or cumene is traditionally a key component in global phenol production With a 2011 market demand of 124 million tons Stephan 2013 this makes cumene production nearly a 20 billion dollar per year industry Nearly all of the cumene...

PDF Production of phenol from cumeneKnow More

In the base case 066 kg of phenol and 041 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 50...

Phenol Acetone 20x29Know More

Phenol and acetone are produced from cumene in two steps liquid phase oxidation of cumene to cumene hydroperoxide CHP followed by acid-catalyzed decomposition cleavage of CHP to phenol and acetone Phenol acetone unconverted cumene...

US5430200AKnow More

The present invention provides in a particular embodiment an improvement in the process for producing phenol by the acid-catalyzed cleavage of cumene hydroperoxide CHP The reactant stream fed to the cleavage reactor also includes the contaminant by-product dimethyl benzyl alcohol DMBA formed during the direct oxidation of cumene to CHP...

How to convert cumene to phenolKnow More

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 fr...

Energy Efficient Catalytic Reaction and Production ofKnow More

- 6 - Introduction Production of cumene is a major petrochemical product used as feedstock for production of phenol and acetone1 Most of the current cumene plant production processes utilize a patented supported phosphoric acid catalyst 2 with a few using a Friedel-Crafts reaction with aluminum trichloride3 Both of these processes generate problems with corrosion and contamination...

6 Alkylation of Benzene by Propylene to CumeneKnow More

176 6 Alkylation of Benzene by Propylene to Cumene to ensure a high concentration of propylene in the coreactant benzene From the separation viewpoint one may note large differences in the boiling points of com-ponents and no azeotrope formation In consequence the design of the separation train should not raise particular problems...

Technology Profile Cumene Production from BenzeneKnow More

Currently the production of cumene is largely associated with the demand for phenol and phenol derivativ Figure 1 The diagram show cumene production from benzene and propylene /caption The process The present analysis discusses an industrial process for cumene production The process has two main sections 1 reaction and 2...

material balances design problem cumene productionKnow More

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...

DESIGN AND SIMULATION OF CUMENE PLANT USINGKnow More

Considering the importance of the present process work was undertaken to design and simulate the cumene production process using ASPEN PLUS ® software The objectives of the present project are following To design a zeolite catalyst based cumene production process...

Source Assessment Manufacture of Acetone and Phenol FromKnow More

----- 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...

Project 5 Problems at the Cumene Production Facility UnitKnow More

Project 5 Problems at the Cumene Production Facility Unit 800 C51 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...

Cumene Production Plant Distillation CatalysisKnow More

Cumene Production Plant - Free download as Powerpoint Presentation ppt / pptx PDF File pdf Text File txt or view presentation slides online A powerpoint presentation outlining economic and design factors for an isopropylbenzene plant Provides economic considerations to include global market analysis All units distillation columns reactorsect are designed...

Phenol production methodKnow More

Process of producing phenol and isopropyl alcohol containing benzene hydrogenation products comprises stages alkylation of benzene with isopropyl alcohol and/or propylene to form cumene oxidation of resulting cumene into cumene hydroperoxide acid cleavage of cumene hydroperoxide to produce phenol and acetone including from 001 to 10000 ppm...

High selective method of producing cumene hydroperoxideKnow More

A cumene process of producing phenol and acetone comprises the joint oxidation of aldehydes and dimethylbenzene alcohol by aqueous hydrogen peroxide solutions in presence of 16 wt to 94 wt of cumene hydroperoxide by contacting of mutually insoluble phases of the organic products from a cumene oxidation stage and hydrogen peroxide containing water with optional addition of acidic...

SMAH PHENOLKnow More

Apr 07 2011 0183 32 The Cumene process Cumene-phenol process Hock process was invented by Heinrich Hock in 1944 The production of synthetic phenol started in India in 1968 with the commissioning of unit of Herdillia Chemicals Ltd at Thane Maharashtra with an installed capacity of 10 000 tonne per annum...