Molten slag can be reused for various purposes by grinding it finely.
General waste and industrial waste, or the ash (incineration ash) that remains after burning such waste, is heated and melted at a high temperature of over 1200°C. The cooled and solidified product of this melting process is called molten slag. Molten slag can be reused for various purposes by grinding it into finer particles. When manufacturing concrete products, it can be mixed in as a substitute for normal aggregates, allowing for the production of various products. The slag mixing ratio for roadside ditches and pedestrian-vehicle boundary blocks has been set at 20%, and there are actual delivery records for this. For more details, please contact us or refer to the catalog.
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basic information
【Features】 ○ When waste is incinerated and turned into ash, the volume is reduced to about 1/20. By turning this ash into molten slag, the volume is further reduced to about 1/2, making it possible to decrease the overall volume to 1/40. ○ By melting at high temperatures, heavy metals in the ash are contained, and the generation of dioxins is suppressed. ○ By reusing molten slag, it is possible to reduce the amount of waste sent to landfills. ○ Since the waste molten slag is produced at temperatures above 1200°C, there is no risk of harmful substances leaching out. ○ Safe slag that meets the leaching test standards for heavy metals set by the Ministry of the Environment is used. ○ To ensure durability, it is mixed with natural ordinary aggregates, meeting various standards: 1. Chemical composition 2. Physical properties 3. Particle size 4. Alkali-silica reactivity ○ The slag mixing ratio passes quality tests up to 50%. However, it is necessary to adjust the slag mixing ratio depending on the quality of the slag and the aggregates mixed with it. ● For more details, please contact us or refer to the catalog.
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Applications/Examples of results
【Applications】 ○ Materials for precast concrete products ○ Aggregates for concrete and asphalt mixtures ○ Subbase materials ○ Backfill materials ● For more details, please contact us or refer to the catalog.
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