Here Are Procedures For Handling Persistent Black-Powder Contamination

10/26/1998
Richard M. Baldwin Southwest Research Institute San Antonio Black powder can collect in gas pipelines, leading to flow loss and premature failure of compressors, instruments, and other equipment. (Photograph courtesy of Southwest Research Institute, San Antonio) The sheer volume of black powder in some systems can overwhelm compressor equipment filters (elements of which are shown here), requiring frequent filter changes and complicating disposal. (Photograph courtesy of Southwest Research Institute, San Antonio) [38,516 bytes] Recent research into black powder problems experienced by natural-gas transmission pipelines indicates steps that can be taken to ...
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