Coal-fired boilers are already a backbone of commercial and power generation sectors for upwards of a century. Despite growing curiosity about renewable energy, coal-fired systems carry on and play an important role in many countries because of their ability to produce large amounts of energy at relatively low priced. https://collinzfbo66542.blogsmine.com/36896784/understanding-coal-fired-boilers-how-they-work-benefits-and-environmental-impact