- Dimethyl ether, also
known as methoxymethane, oxybismethane, methyl ether, wood ether, and
DME.
- It is a colorless
gaseous ether with an ethereal odor. Dimethyl ether gas is water
soluble.
- It has the formula
CH3OCH3 or as its empirical formula C2H6O (which it shares with
ethanol).
- DME is miscible with
most organic solvents and it has a high solubility in water.
- DME is easily liquefied
under light pressure. Its physical properties are similar to those of
propane and butane, which are the principal constituents of LP Gas. DME
can be distributed and stored by using LP Gas handling
technology.
- Conventional DME
production uses the methanol dehydration method.
- DME can be produced
from methanol by combining two methanol molecules to produce a DME
molecule and a water molecule.
- DME production from
solid raw materials such as biomass and coal requires more processes
than DME production from gases such as NG and LPG. This is because the
solid materials need go through the gasification process to produce the
syngas required for the DME-synthesis.
- DME can be produced
from syngas, which in turn is formed from natural gas, coal or
biomass.
- Catalytic dehydration
of methanol over an acidic catalyst offers a potential method for the
production of DME, a new spray propellant.
- DME is now manufactured
by two processes, which are methanol synthesis and methanol dehydration
process. In order to use DME as a fuel, it must be produced at low cost
in large quantities.
- The prodcution of high
purity dimethyl ether has gained increasing importance, mainly due to
its use as an environmentally superior aerosal propellant and clean
fuel.
- Dimethyl ether (DME) is
a useful chemical intermediate for the preparation of many important
chemicals, such as dimethyl sulfate and high-value oxygenated
compounds.
- Dimethyl Ether has
found commercial use as a refrigerant. It has as a solvent, as an
extraction agent, a propellant in aerosols, and fuel in welding cutting
and brazing. Readily form complexes with inorganic compounds, e.g.,
boron trifluoride. It is an excellent methylating agent in the dye
industry.
- An innovative process
of direct synthesis of DME from synthesis gas has been developed. Newly
developed catalyst in a slurry phase reactor gave a high conversion and
high selectivity of DME.
- Dimethyl ether (DME)
would be an innovative clean fuel, as its properties are similar to
those of LPG (liquid petroleum gas). Nowadays, DME is used mainly as a
propellant for spray cans.
- Approximately 150,000
tons/year are produced worldwide by a dehydration reaction of methanol.
In order to use DME as a fuel, it must be produced at low cost in large
quantities.
- DME is produced from
coal derived gas and used for various consumption sectors, clean energy
supply restriction and environmental problems could be mitigated in
future.
- DME production capacity
in China needs to exceed 11 million mt for use as a domestic fuel by
2012 to be cost effective in the
domestic fuels market. The capacity
is expected to reach 9,437,000 mt by 2012 in China.
- The future development
of the market for DME as a fuel for power production or automotive
transportation will require much larger quantities of DME at a much
lower cost.
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General
- About dimethyl
ether
- Basic information about
dimethyl ether
- Information about
Dimethyl ether
Process
- Dehydration of Methanol
to Dimethyl Ether over ZSM-5 Zeolite
- A Grass Roots Facility
to Produce Mixed Ethers
- Dimethyl Ether
Production Material Balances
- Numerical Methods,
Energy Balances Design Project Production of Dimethyl Ether
- The Mechanism of
Dimethyl Ether Formation from Methanol Catalyzed by Zeolitic
Protons
- Methanol
dehydration to dimethyl ether using modified clinoptilolite
- Production of
Dimethyl Ether
-
Dimethyl
Ether
- New clean fuel –
Dimethyl Ether (DME) – from natural gas
Functions
- Direct Dimethyl Ether
Synthesis
- Search for
photoinsecticides effect of hematoporphyrin dimethyl ether on leafmining
pest liriomyza bryoniae
- Electrochemical
behaviour of dimethyl ether in alkaline solutions at 298k
- The effect of
hematoporphyrin dimethyl ether on the protein level of cyclin d3 and
cyclin dependent kinase inhibitor p27kip1in ehrlich ascites tumor
cells
- Slurry Phase Synthesis
and Utilization of Dimethyl Ether
-
The Synthesis of Dimethyl Ether from
Syngas Obtained by Coal Gasification
- Intrinsic Kinetics of
Dimethyl Ether Synthesis from Syngas
Company
Profiles
- Company from
Germany
- Company from
Canada
-
Company from
Tokyo
-
Company from
China
Consultants
- Consultant from
Pennsylvania
- Consultancy
services
-
Consultant from Beijing
-
Consultant from California
- Consultant from
Singapore
Patent
-
Direct
dimethyl ether fuel cells
-
Fuel supply
system for dimethyl ether engine
- Method of manufacturing
dimethyl ether
- Azeotropic mixture of
perfluoropropane and dimethyl ether
- Process for producing
odorless dimethyl ether
- A method for removing
odorous impurities from dimethyl ether
- Dimethyl ether steam
reforming catalyst and method for producing the same
Technology
-
Clean Combustion Technology in Diesel
Engines Operated with Dimethyl ether
Production of Clean Transportation
Fuel Dimethylether by Dehydration of Methanol Over Nafion Catalyst
Coal conversion in to
dimethyl ether as an innovative clean fuel
Dimethyl
ether production technology Polygeneration –
Integration of Gasoline Synthesis and IGCC Power Production Using
Topsoe’s TIGAS Process |
Project
- Chinese Gas Company
secured Investment from WB to its Coal to Dimethyl Project
- Dimethyl ether (DME)
project
- Emission
characteristics of a navistar 7.3l turbo diesel operated with blends of
dimethyl ether and diesel fuel
Material safety
data sheet
- Dimethyl ether safety
data sheet
- Safety data sheet for
dimethyl ether
- 5-Chlororesorcinol
dimethyl ether
- Dimethyl ether
- Material safety data
sheet for dimethyl ether
- Safety data for
dimethyl ether
- Isosorbide dimethyl
ether
Application
- Dimethyl ether (DME)
from coal as a household cooking fuel in China
-
A Study of Dimethyl Ether (DME) as an
Alternative Fuel for Diesel Engine Applications
-
Effects of visible-light-activated
hematoporphyrin dimethyl ether on the survival of leafminer Liriomyza
bryoniae
- Direct Dimethyl Ether
Polymer Electrolyte Fuel Cells for Portable Applications
- Hydrogen Production via
Dimethyl Ether Steam Reforming
- Multidimensional
modeling of Dimethyl Ether (DME) spray combustion in DI diesel
engine
- Dimethyl Ether
Synthesis from Natural Gas and its Utilization for Power Generation
- Dimethyl Ether (DME)
Spray Characteristics in Common-Rail High Pressure Injection
System
Standards and Safety issues National Emission
Standards for Hazardous Air Pollutants From Natural Gas Transmission and
Storage Facilities
Dimethyl ether food
grade specification
Dimethyl ether
exception from the requirement of a tolerance, technical
correction
Safety Considerations
of Dimethyl Ether (DME) as an Alternative Diesel Fuel
Safety Guidelines on
the Use of Diethyl Ether in Animal Euthanasia
Market
- China to build largest dimethyl ether
project
- Global Dimethyl Ether
Emerging Markets
- Dimethyl ether energy
for the future
- Market outlook for
dimethyl ether
Report
- Human health and
environmental analysis of dimethyl ether
- Development of a
Dimethyl Ether (DME)- Fueled Shuttle Bus
- Diethylene glycol
dimethyl ether
- A Problem at the
Dimethyl Ether Facility
- A New Opportunity at
Unit 200 in dimethyl ether
- Separations and
Reaction Engineering Spring 2002 Design Project Production of Dimethyl
Ether and Diethyl Ether
- Initial assessment
report application on dimethyl ether as a processing aid
- Dimethyl ether
program
Suppliers
- Dimethyl ether
suppliers
- Manufacturers of
dimethyl ether
- Suppliers of dimethyl
ether
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