Lime Kiln Dust (LKD) is an industrial by-product generated during the calcination process of limestone in lime kilns. This fine, powdery residue consists primarily of calcium oxide (CaO), calcium carbonate (CaCO₃), and various other mineral compounds. Historically regarded as waste, lime kiln dust has recently gained traction for its beneficial applications in construction, environmen... https://www.feedsfloor.com/other/understanding-lime-kiln-dust-applications-and-benefits