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Standby Management |
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Electric Furnace Dust Collector
Equipment |
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Open and detachable type |
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 Changed
to closed connecting type |
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Increased |
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| Dust density measurement |
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Dust density measurement |
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Dust density measurement |
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Dust
density measurement |
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| Heating, Boiler fuel |
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Uses B/C |
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Uses liquefied natural gas (LNG) |
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| Arsenic acid dust prevention |
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Installation of dust prevention wall |
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Regional
dust prevention wall and dust
prevention nets |
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 Runs
cleaning trucks |
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Water Quality Management |
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Sewage Treatment |
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Drain out after neutralizing and removing
metals |
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 Drain
out after neutralizing and removing metals and
nitrogen |
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| Water resource protection |
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Use waterworks for use as industrial
water |
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 Recycle
drained water by treating at high temperatures
for industrial uses (16,000ton/day) |
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Naturalization of by-products |
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Steel Manufacturing Dust |
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Bury at the designated landfill |
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 Neutralize
metals with chemical stabilization
treatment and bury in regular landfill |
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| Slag |
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Burt at regular landfills |
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 Process
as per KS regulations and recycle for road pavement |
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| Refractory |
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กจ |
|
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 Recycle
resources and refractory of steel manufacturing
processes as raw materials |
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| Sludge |
|
กจ |
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 Reuse
as additional ingredients for cement factories |
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