Patent ID: 8062706
Filing Date: 2011-11-22
Classification: B01D,C03C,C23C

Abstract:
1. A process to recover monobutyltinchloride hereinafter referred to as MBTC from an effluent vapor stream of a chemical vapor deposition process practiced to deposit a tin oxide film over surface of a heated glass article, the process comprises: cooling the effluent vapor stream to a temperature in the range of 50-190° Fahrenheit (“F”) to provide a cooled effluent vapor stream comprising liquid waste and mist; phase separating the liquid waste; removing liquid waste having a density equal to or greater than 1.02 gm/cc from the phase separated liquid waste defined as reclaimed MBTC liquid waste, and distilling the reclaimed MBTC liquid waste to recover reclaimed MBTC liquid from the reclaimed MBTC liquid waste, wherein the reclaimed MBTC liquid has greater than 80 weight percent MBTC.