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- Recycling Technology of EAF DUST to be used asphalt concrete filler
The new technology recycles industrial waste(EAF DUST) occurred by iron or steel making process into safe asphalt concrete filler under the control of related laws.
The recycling technology, a serial special process of selection & separation & processing on EAF DUST through the recycling facility equipped with Bag filter or EP, has been contributed to environmental conservation of nation by cost reduction,
easy of landfill problem, quality enhancement of asphalt road.
- EAF DUST recycled as Asphalt Concrete Filler
- Product characteristic
Main element : FeO, ZnO, Silica, quicklime, etc
specific gravity : around 3.5~3.9, color brown bear
the finest powder particles over than 90% passed down NO.200 sieve.
Quality : stable chemically & physically and regardless of production site
Characteristic : aging prevention of Asphalt and durability enhancing of paved road owing to contain of a great deal ZNO
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- Eonstructability : Enhancement of resistance on plastic deformation owing to increment of durability, synergy effect
in spite of the same compacting oftenness as Ascon using limestone powder. |
- Economical efficiency : the saving of maintenance cost owing to life extention of paved road and the saving of National cost owing to recycling of industrial waste.
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- Environment : environmental pollution is no because of stabilization which was accomplished special work of the selection, separation, processing on by-product of making steel Maximization of natural resource reservation such as limestone. |
- Inspect of stabilization, density, degree of saturation, porosity, flow value, etc Recycled EAF DUST, Asphalt Filler is superior to limestone powder.
- aging prevention of Asphalt and durability enhancing of paved road owing to contain of a great deal ZNO
- low maintenance cost owing to prevention of exfoliation and plastic deformation, Ascon's defectiveness
- Ascon Characteristic using EAF DUST Filler
· paved road material with rapid-hardening
· paved road filler fitted on heavy traffic road like highway
- test result of Dynamic Stability by wheel tracking method
Input / Limestone powder / EAF Dust / Filler Type / Remark / unit / number / KOREA EXPRESSWAY CORPORATION |
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- The working and design method of new technology is for recycle of EAF Dust to be used as a Filler of Paved road instead of the limestone, one of the Asphalt mixture material.
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