Abstract:
NKK is tackling with the development of environment-friendly technologies and
is now supplying plants, technologies and products harmonized with nature to create
rich and rewarding human environments. At the beginning, NKK started environmental
businesses by means of introducing overseas technologies and improving them into
advanced NKK versions, and built up the business basis as the Japanfs top
manufacturer of environmental plants. Recently, NKK is receiving increasingly
large amounts of orders and continuously securing high profitability in this field.
This paper reports the history of NKK's pioneering businesses in the environmental
field, and unique plants and technologies developed and commercialized by NKK's
Environmental Industries Engineering Division and Water & Wastewater Engineering
Division.
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Keywords:
High-temperature air combustion technology, High-temperature gasifying & direct
melting furnace, Product slag, Incineration technology, Stoker type waste incinerator,
Municipal waste, Flame stabilization, Low-air ratio combustion, Advanced next-generation
stoker system,
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