PROCESSES AND EQUIPMENT FOR SYNTHESIS OF DIAMOND ELECTRODES
FOR SEWAGE TREATMENT
•
• decorative coatings;
• hard protective coatings on magnetic and
optic devices;
transparent conducting hard films in solar
sells, helio-concentrators and low-e films
on architectonic glass;
•
• protective biologically indifferent coatings;
Above mentioned filtered plasma source may
be used:
•
in new vacuum-arc industrial equipment
for the ion plasma processing of materials
including deposition of high quality micro-
and nanostructural coatings;
• when upgrading of existent vacuum-arc
equipment for widening their technological
potentiality;
for high quality coating deposition
fine
processes
mechanics, microelectronics,
optics,
automobile industries, etc.
in machine building,
Stage of Development:
Prototype available for testing; patented in
USA.
Photos/Pictures:
T-shaped filtered vacuum-arc plasma source for
conductive diamond-like coating (DLC)
deposition.
Coating deposition rate is 6 μm/h at the
diameter 20 cm.
Contact details:
National Science Centre “Kharkov Institute of
Physics and Technologyâ€
Akademicheskaya, 1, Kharkov 61108, Ukraine.
Volodymyr Strelnytskiy,
Tel/fax: + 38-057-3356561
E-mail: strelnitskij@kipt.kharkov.ua
The description
in
for
electrodes manufacture
Conductive diamond and diamond-like films can
be used
an
electrochemistry. Such unique electrodes possess
simultaneously high chemical stability, wide window
of potentials, have a low level of background currents
and are not polluted under operation in electrolytes.
There are different plasma methods for the
diamond and diamond-like coatings deposition. The
process of diamond-like nitrogen-doped coating
deposition and high-efficiency equipment (vacuum-
arc plasma source with the magnetic filter which turns
the plasma stream on 90о) for deposition such films is
developed.
Innovative aspect and main advantages:
Efficiency of the main versions of known vacuum-arc
plasma systems and our results
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Efficiency
Ii/Id×100,%
3,0
2,5
2,5
2,5
about 5
The ratio of the total ion flow at the channel exit to the
discharge current (Ii/Id) - the system efficiency
Areas of Application:
Conductive diamond-like films can be used for
electrodes manufacture for an oxidizing of organic
compounds in industrial technology of natural water
and sewage treatment. Degree of water treatment from
organic compounds achieves 90 %.
Formation of
the active chlorine at anode
processing of chloride-containing solutions can be
used for disinfecting water (for example, in swimming
pools, etc).
Electrochemical disinfection of water by means of
diamond-like electrodes is much more effective in
comparison with the chemical one.
Electrodes with diamond-like carbon coatings can
be cheap and accessible to mass production and
application.
Filtered vacuum-arc plasma source described can
be used for
the following coating deposition:
conductive diamond-like films, metals (Ti, Cr, Nb,
Mo, Cu, Al, etc.), alloys, nitrides, oxides, carbides,
composites, multilayer coatings that dramatically
extends opportunities of the given technology.
Besides the given equipment can be used for a
wear-resistant coatings at surfaces of fine
mechanic elements;
deposition:
•
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