The manufacture of silicone products generates residue that can present serious problems in its safe and environmentally acceptable disposal. A variety of methods are known for treating chlorosilane direct process residue. However, there is a persistent high level of chloride in the treated chlorosilane residue.
Methods for reducing the level of chloride in chlorosilane residue are also known. However, the chloride level of treated residue is still too high limiting or preventing the use of residue in cement kilns. Additionally, smelter operations impose financial penalties for chlorosilane residues with chloride levels above 0.1%.