The
invention
- The
problem to be solved:
Neutralisation of two hazardous wastes
with each other.
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- Definition:
We mix two materials at present
defined as hazardous wastes in the
process.
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- Presentation:
Disposal of the sewage water
sludge that be considered as a waste of
the sewage water cleaning, is causing
environmental problems. The same my also
be told about the waste, namely the
flue-ash resulting from the coal-fired
energy production.
During the process, the two waste
materials are mixed, thus utilizing the
heat and active calcium oxide content of
the flue-ash and simultaneously the
stabilization of the sewage water sludge
including its pasteurizing and chemical
stabilization will also take place.
Features of the originating new material
will significantly be more advantageous
even from environmental protection points
of view, than the two starting materials,
because of the following:
- the stink effect of the sewage water
sludge will be eliminated, and the
majority of the pathogene micro-organisms
will be perished,
- the diffuse dusting contamination
effect of the flue-ash (storage media)
will be eliminated. Its water-bearing
capacity will be improved, the organic
materials and plant nutrients (nitrogen,
phosphorus) mixed in it will promote the
humus formation, thus the originating of
an earth-like material.
The application possibilities for the
resulting new material:
- recultivation, dust laying of
industrial disposal areas, formation of
green surface,
- separation of different layers in case
of a public waste disposal plant,
- soil improvement.
 
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- Advantages:
During the process the wastes (combustion
product from coal heating and sewage
water sludge from sewage water cleaning)
are disposed in a way that the new
material originating in the wastes will
be substantially less harmful to the
environment.
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- Stage
of development:
Laboratory and semi-workshop experiments
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- Documentation
available: Yes
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The
inventor(s)
- Name(s):
URBÁN István, Árvai Beáta,
Dr Hévíziné Szabó Edit, Dr Dosztál
István, Dr Nagy István,
- Self
introduction:
Most of the Inventors are environmental
engineers with a degree in hydrobiology,
microbiology, soil protection or
chemistry.
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The
protection
- Form:
Patent
- Priority:
- Countries
where it is force: Hungary
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Business
intention: Licencig, looking for
investor
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Contact
- Name:
URBÁN István
- E-mail:
urbanistvan@freemail.hu
- Fax: +36
34- 364 186
- Address:
H-2840 Oroszlány, Szeptember 6.
u. 24., Hungary
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