Fly Ash
| Min. Order: | 1,000 kg |
|---|---|
| Port: | Shanghai, China |
| Payment Terms: | L/C, T/T, D/P, Western Union |
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Fly ash is a fine powder consisting of spherical particles that are primarily composed of inorganic materials produced by coal combustion in power plants. It is a byproduct or waste material that is collected from the flue gas during the combustion of coal.
When coal is burned in power plants to generate electricity, the combustion process produces various byproducts, and fly ash is one of them. It is captured by electrostatic precipitators or other pollution control devices before the flue gases are released into the atmosphere. The collected fly ash is then stored and can be used for various applications.
Fly ash contains a range of materials, including silicon dioxide (SiO2), aluminum oxide (Al2O3), iron oxide (Fe2O3), calcium oxide (CaO), and other minor constituents. The exact composition of fly ash depends on the specific coal source and the combustion conditions in the power plant.
Due to its chemical properties and pozzolanic nature, fly ash has several uses. Some common applications of fly ash include:
1. Concrete production: Fly ash is often used as a partial replacement for Portland cement in concrete. It improves the workability of concrete, enhances its long-term strength and durability, and reduces the amount of cement required. This application helps reduce environmental impact and conserves natural resources.
2. Construction materials: Fly ash can be used in the manufacturing of bricks, blocks, and other construction materials. It provides improved strength, thermal insulation, and reduced cracking.
3. Soil stabilization: Fly ash can be mixed with soils to improve their engineering properties, such as compressibility, shear strength, and permeability. This application is commonly used in road construction and embankment projects.
4. Waste stabilization: Fly ash can be used to stabilize and solidify certain types of industrial and hazardous wastes, reducing their leaching potential and making them easier to handle and dispose of.
| Number | Item | Result |
| 1 | sieve residue%(-45μ m) | <12% |
| 2 | L.O.I(%) | 2.6 |
| 3 | Water requirement(%) | 94 |
| 4 | Moisture(%) | 0.7 |
| 5 | CaO(%) | 2.29 |
| 6 | Alkali content(%) | 0.76 |
| 7 | SO3(%) | 0.16 |
| 8 | SiO2+Al2O3+Fe2O3(%) | 87 |
| 9 | Stability | - |
| 10 | Intensity activation index(%) | 76 |
It's important to note that the use of fly ash should follow proper guidelines and regulations to ensure its safe and effective utilization. Additionally, the specific regulations and practices regarding the use of fly ash may vary between countries or regions.
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