Industrial byproducts are materials that are produced during the manufacturing process but are not the primary product. These byproducts can arise from various industries, including agriculture, mining, and chemical production. While they may not be the main focus of production, they can still hold value and be repurposed for other uses. Many industrial byproducts can be recycled or reused, reducing waste and promoting sustainability. For example, slag from metal smelting can be used in construction, while wastewater can be treated and reused in various applications. Proper management of these byproducts is essential for minimizing environmental impact.