描述
用途:
- Steel production – As reducing agent or reactant.
- Refining alumina – In low-temperature sintering process.
功能
- 改善了燃烧速度和效率（与块状煤相比）。
- Low-cost energy source
煤渣
Coal dust is a fine powdered form of coal, created by the crushing, grinding, or pulverizing of coal.
The grinding of coal to dust before combusting is generally done to improve the speed and efficiency of burning, also simplifying its handling.
