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For a long time, slack coal, which is made up of small particles and dust left over from the screening and processing of coal, has been seen as waste. However, thanks to advancements in energy technology, new methods have been developed to harness the energy contained in these fine coal particles. This blog post is aimed at informing you about effective ways to use slack coal.
1. Use Slack Coal in Coal Briquettes
One of the most common uses of slack coal is in the creation of coal briquettes. These are compact blocks of coal dust or slack coal that can be burned as a cheaper, more sustainable alternative to lump coal. Make your own coal briquettes at home using a simple process.
The initial step involves making a paste-like mixture of slack coal and water. Note that the water used should be minimal, just enough to help bind the coal particles. You can also add a binder, such as starch or molasses, to increase the strength of your briquettes.
The resultant mixture is then compressed into moulds and left to dry. Once dry, the briquettes can be used in a variety of heating and energy-producing applications.
2. Use Slack Coal in Coal-Fired Power Plants
With advancements in technology, it’s now possible to use slack coal in coal-fired power plants. The fine coal particles are first processed in a fluidized bed boiler to generate steam, which then drives a turbine to produce electricity.
3. Use Slack Coal in Domestic Heating
Slack coal can also be used for domestic heating. Its small particle size allows for efficient combustion, making it an excellent source of heat during cold winters. However, it’s important to ensure proper ventilation as burning slack coal can produce significant amounts of smoke and soot.
Conclusion
Slack coal, previously regarded as waste, is fast becoming a valuable commodity. Its uses in coal briquettes, power generation, and domestic heating are proof of its versatility. However, while utilizing slack coal, it’s crucial to consider its environmental impact and always strive to use it in the most sustainable and responsible manner.
