Microwave
Furnaces
| Multifunction Microwave Furnace (MMF)
MMF is designed to perform microwave sintering under various
conditions. It has a universal microwave applicator, which can
host various kinds of sintering containers. With these containers,
microwave sintering under vacuum, under pressure, and, under
special sintering atmosphere, can be carried out.
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| Microwave PyroMetallurgical Furnace (MPMF)
MPMF is designed to extract metals from minerals, or to make
alloys from a mixture of metal elements. To enhance the pyrometallurgical
process, the furnace uses microwave heating combined with electric
arc. The furnace can also use microwave-plasma hybrid heating
to carry out high purity and/or highly reactive pyrometallurgical
processing. |
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Microwave
Reactors |
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Pressurized Microwave Reactor (PMR)
PMR is designed to conduct wet chemical synthesis at high temperatures
and high pressures. Compared to conventional autoclaves or microwave-hydrothermal
reactors, the PMR has enhanced functions.
The reactor can use external pressure supply, so that reactions
can be carried out under various pressure media and magnitude.
With appropriate pressure condensers, the reactor can conduct
reactions involving gaseous reactants and/or products. The PMR
can also perform reflux under high pressures.
The reaction chamber can be plastic, glass or ceramic. The microwave
applicator is a metallic vessel. The reactor can work in a wide
temperature and pressure range.
The microwave applicator is capable of hosting reaction chambers
of different volumes (from 500 ml up to 10,000 ml). Chambers
of different volumes are interchangeable.
PMR has both a material inlet and an outlet. It can be used
either as a batch-type reactor or a continuous flow-through
reactor. Several PMRs can be serialized to increase the productivity.
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| Atmospheric Microwave Reactor (AMR)
AMR is designed to conduct
wet chemical synthesis under atmospheric pressure. AMR has an
easy-to-open mechanism. Operators can easily access and manipulate
the reaction container. The extendible and rotatable racks make
it easy for operators to arrange various accessories to the
reactor. Various set-ups, such as reflux reactor, evaporator
or distiller, can be arranged.
Typical volumes of the AMR containers range from 500-10,000
ml. The various-sized containers can be fitted into a universal
AMR applicator.
The AMR containers are made of plastics. Compared to conventional
glass flasks and reactors, use of AMR is safe, fast and convenient.
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| Microwave-Hydrothermal Mechanochemical
Reactor (MHMR)
MHMR is designed to conduct material synthesis with
concurrent wet chemical reactions and mechanical grinding. This
hybrid process is especially suitable to synthesis where solid
reactant(s) is involved. A typical example is the synthesis
of ceramic-polymer nanocomposite, for which intensive mechanical
dispersing is required concurrently with chemical reactions
(polymerization).
MHMR has means for easy charging and discharging powdery materials.
It can work either as a batch-type reactor or as a continuous
flow-through reactor.
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| High Temperature Microwave Mechanochemical Reactor (HTMMR)
HTMMR is designed to conduct material synthesis
at elevated temperatures. Typical examples are the synthesis
of metal carbides and metal nitrides. The synthesis involves
solid-solid or solid-gaseous reactions that require high temperatures,
and, during the reaction, product layers develop on the reactant
surfaces. With HTMMR, the synthesis reactions proceed with concurrent
mechanical milling, which constantly grinds off the product
layers and accelerates the synthesis. The concurrent chemical
reaction and mechanical milling is also capable of making the
product finer.
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Mail to:
The Institute of Materials Processing (IMP)
Michigan Technological University
1400 Townsend Drive
Houghton, MI 49931 |
Office: Room
212 M&M Building
Phone: 906/487-2600
Fax: 906/487-2921
e-mail: jhwang@mtu.edu
|
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Institute of Materials Processing (IMP)
Michigan Technological University
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