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RASA SYSTEM, developed in 1967, is an
original technology owned by Rasa Corporation. If molten
slag, a byproduct produced when steel is manufactured
in a blast furnace, is rapidly cooled with jet water,
granulated slag is produced. What continuously collects
this slag and turn it into products is a slag granulation
plant (RASA SYSTEM). Granulated slag is recycled as raw
materials for cement and concrete, soil improvement additives,
and paving material, for example. There are few companies
in the world that possess such blast furnace slag recycling
technology. Rasa Corporation has supplied RASA SYSTEM
products not only in Japan, but also to China, South
Korea, Taiwan, Brazil, the United Kingdom, Germany, Belgium,
and Italy. Recently, the demand for RASA SYSTEM has been
increasing in response to the increased new constructions
and re-constructions of steelworks around the world,
and the demand has also been expanding to such new industrial
fields as electric power companies.
Furthermore, when
selling RASA SYSTEM, we provide integrated services ranging
from the preparation of basic plans, the design of plants
to the supports in construction works to the transfer
of operating technologies. Rasa Corporation’s engineering
technologies play an active role in the high acclaim
of RASA SYSTEM. |
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| In the environmental equipment business,
Putzmeister piston pumps being used for sewage disposal
and RASA SYSTEM being experiencing growth in demand at
steelworks are our core products. In addition, the recycling
systems, PARA-ECO-recycling systems, which recycle incinerated
ash under harmless condition, are promising products
for the future. Rasa Corporation has supplied many Putzmeister
piston pumps mainly in the sewerage and electric power
sectors but during the past few years, inquiries relating
to industrial waste disposal have been increased, and
these products are clearly expanding into new markets. |
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| PARA-ECO-recycling system, a new product
that Rasa Corporation developed, started its operation
in 2003, as the first system for a commercial furnace.
By melting harmful substances such as heavy metals and
dioxins contained in incinerated ashes in a newly developed
electric resistance furnace, it is possible to recycle
them into harmless substances. In recent years, as the
depletion of locations for the final disposal of incinerated
ash has become a problem, it is likely that recycling
will be promoted. We are also developing new recognizing
that technologies applicable in new fields. By recognizing
that conservation of the global environment is an important
issue in the 21st century and by aiming at this growth
in market, we are striving to develop new technologies. |
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