- Cumene is the common
name for isopropylbenzene, an organic compound that is an aromatic
hydrocarbon.
- It is a constituent of
crude oil and refined fuels. It is a flammable colorless liquid that has
a boiling point of 152 °C.
- Cumene is a colorless,
flammable liquid that has a sharp, penetrating, gasoline-type odor.
Cumene is insoluble.
- Commercial production
of cumene is carried out through the catalytic alkylation of benzene,
with the addition of propylene. Solid phosphoric acid (SPA) supported on
alumina can also be used as a catalyst.
- Most of the current
cumene plant production processes utilize a patented supported
phosphoric acid catalyst, with a few using a Friedel-Crafts reaction
with aluminum trichloride.
- Benzene and
propylene are compressed together to a pressure of 30 standard
atmospheres at 250 °C (482° F) in presence of a catalytic Lewis acid.
Phosphoric acid is often favored over aluminum halides. Cumene is formed in the gas-phase
Friedel-Crafts alkylation of benzene by propylene.
- Cumene is oxidized in
slightly basic conditions in presence of a radical initiator, which
removes the tertiary benzylic hydrogen from cumene and hence forms a
cumene radical.
- Cumene is used to
manufacture other chemicals such as phenol, acetone, acetophenone, and
methyl styrene.
- It is used as a thinner
in paints, lacquers, and enamels. It is a component of high octane motor
fuels.
- Cumene in used in the
manufacture of rubber, iron and steel, and pulp and paper.Modern phenol
technology involves oxidation of cumene with air at high efficiency to
produce cumene hydroperoxide (CHP).
- A high efficiency
oxidation system has been developed which improves yield by lowering the
formation of byproducts. An advanced cleavage system produces improved
selectivity of phenol from CHP.
- Modern process
technology is based on the reaction of propylene and benzene either in
the liquid or gas phases. These processes initially used solid
phosphoric acid or aluminium chloride catalysts but in recent years
there has been a shift to using zeolite catalysts.
- 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. Cumene demand growth is expected to be slightly
below phenol’s growth rate of just over 4%/year in the 2006-2011 period.
- Around 98% of cumene is
used to produce phenol and its co-product acetone. However, the outlook
for cumene is largely dependent on the performance of phenol’s
derivatives which have resulted in healthy growth rates for cumene.
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General
Information
- Cumene
(1-methylethylbenzene) fact sheet
- Cumene
- Cumene
FAQ
- About
Cumene
Company
Profiles
- Company from
Georgia
- India Company from
Kolkata
- International
Company
- Company from
Korea
- Company from
Italy
- Company from Saudi
Arabia
- Company from
India
- Company from USA
Production
- Problems at the Cumene
Production Facility, Unit 800
- Cumene Production
– Change in Reactor Conditions
- Design of a New,
100,000 Metric Ton Per Year, Cumene Production Facility
- Material Balances
Design Problem Cumene Production
- Energy Balances
and Numerical Methods Design Project Production of Cumene
- Fluid Mechanics,
Heat Transfer, Thermodynamics Design Project Production of
Cumene
Process
- Crystal Structure of
the Terminal Oxygenase Component of Cumene Dioxygenase from Pseudomonas
fluorescens
- Cumene with
proprietary catalyst PBE-1 zeolite based Proprietary process
technology
- Cumene process
with drag (purge) streams
- Cumene
Overview
- Cumene Oxidation
process
- Process Intensification
in Alkylation Process
- Cumene
process
- Energy Efficient
Catalytic Reaction and Production of Cumene
Applications
- Cumene Cracking
on Modi ed Mesoporous Material
- Effect of Oxidative
Stress, Produced by Cumene Hydroperoxide, on the Various Steps of
Protein Synthesis
- Propranolol
oxidation by human liver microsomes - the use of cumene hydroperoxide to
probe isoenzyme specificity and regio- and
stereoselectivity
Technology
- Analysis of
Cumene (Isopropylbenzene) Degradation Genes from Pseudomonas
fluorescens
- Extraction of benzene,
toluene, ethyl benzene, xylene and cumene from soil using methanol at
elevated temperature and pressure
- Regioselective
nitration of cumene to 4-nitro cumene using nitric acid over solid acid
catalyst
- Conventional Technology
Phenol/Acetone Via Cumene Oxidation
- Study
on Green Process Design
of
Cumene Production
- Raytheon licenses
Cumene Technology for Ertisa plant in Spain
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Consultant &
Plant
- Consultant from
U.S
- Consultant UK
- US Consultant from
Minnesota
- Consultant from
California
- Consultant from New
Jersey
- USA Consultant
- Plant from South
Carolina
Patent
- Cumene Oxidation
Process
- Process for the
preparation of a cumene feed for cumene oxidation
- Process for
Producing Cumene
- Purification of Cumene
Recycle Streams
- Method of
Recovering Cumene
- Removal of Methyl
Styrene from Cumene
- Separation of Cumene
from 3-Ethyl Touluene by Azeotropic Distillation
Projects
- Reactors and
Separations Design Project Production of Cumene
- Critical Properties of Pure
Compounds
- Chevron Announces
Approval of Cumene Modernization Project at Port Arthur, Texas, Plant
- Phenol / Acetone
- Cumene
Material Safety
Data Sheet
- Cumene
- Isopropylbenzene
- Safety Data for
Isopropylbenzene [Cumene]
- Benzene,
(1-methylethyl)-Cumene 99%
- Marathon
Cumene
- Demand CS
Safety
Issues
- Concise
International Chemical Assessment Document for Cumene
- Cumene - Hazard
Summary
- Toxicological
Review of Cumene
- Assessment Report on
Cumene for Developing Ambient Air Quality Objectives
- Thermal hazard
assessment on hydroperoxides－examples on cumene
hydroperoxide
Market &
Report
- Cumene
- Polypropylene Upgrading
Prospects
- Cumene Uses and
Market Data
- Cumene Prices and
Pricing Information
- World Consumption
of Cumene
- Phenol / Acetone &
Derivatives Market
- PERP Program- New
Report Alert -Cumene
- Cumene Capacity Expansion Strengthens Petrochemical
Operations
Suppliers
- Cumene Selling
Leads
- Suppliers of
Cumene
- Cumene
Exporters
- Manufacturer /
Suppliers of Cumene
- Chemical
Suppliers of Cumene
- Cumene
Suppliers
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