The search for a lower-cost glass melter has led technologists to suggest a segmented melting approach in which several stages are used to optimise the melting, homogenisation and refining instead of the current practice of using a single, large tank melter. In this segmented approach, separately optimised stages for batch handling, high-intensity melting, rapid refining and heat recovery are expected to reduce total resistance time by 80% or more, while reducing energy costs and lowering emissions. This approach has come to be known by the US Dept Energy Industrial Technology Program as the Next Generation Melting System (NGMS), which is described in this article. You can read the article in full on: www.internationalglassreview.com