From the May 2015 hard-copy issue, Clear Edge Filtration discuss filtration using low density ceramic filter elements is now a well-established technique for air pollution control and product recovery. Dr. Purv J. Purohit*, Dr. Ian Chisem** and Prof. Richard Lydon*** discuss a technology in use in the glass industry that reduces high levels of pollution while operating at elevated temperature. Please note Fig 1 in the hard copy is incorrect. The revised Fig 1 is contained in this article.