German - rinsing gas. Also known as Lurgi Spühlgas. A low-temperature process for carbonizing lump or briquetted materials such as coal, lignite, peat, wood, and oil shale. The heat is provided by burning the gas which is also generated
Comyns, Alan E. Dictionary, Encyclopedic Dictionary of Named Processes in Chemical Technology (3rd ed.), Alan E. Comyns (Ed.), Boca Raton, FL, CRC Press LLC, USA 2000, http://worldtracker.org/media/library/Science/Chem istry/Synthesis/Encyclopedic%20Dictionary%20of%20N amed%20Processes%20in%20Chemical%20Technology.pdf, (Named Chem Procss - Amer) {35}