Coal-fired boilers are already a backbone of industrial and power generation sectors for upwards of a century. Despite growing interest in renewable energy, coal-fired systems carry on and play a crucial role in many countries due to their ability to produce large amounts of energy at relatively low priced. https://andylnma57036.thelateblog.com/36957617/understanding-coal-fired-boilers-how-they-work-benefits-and-environmental-impact