The 73rd Glass Problem Conference is organized according to the following themes: Glass Melting, Melting, Raw Materials, Batching, and Recycling, Coatings, Strengthening, and Other Topics, Refractories, and Process Control & Modeling

Foreword ixPreface xiAcknowledgments xiiiGlass MeltingEnergy Recovery from Waste Heat in the Glass Industry andThermochemical Recuperator 3Hans van Limpt and Tuud BeerkensDevelopment of DFC (Direct Fusion Combustion) using Oxy-FuelBurner 17Takayuki FujimotoFinding Optimal Glass Compositions 27Oleg A. Prokharenko and Sergei O. ProkhorenkoMelting Raw Materials, Batch Reactions, and RecyclingAdvanced Melting Technologies with Submerged Combustion45I.L. Pioro, L.S. Pioro, D. Rue, and M. KhinkisThe Influence of Borate Raw Material Choice on the GlassManufacturing Process 67Andrew Zamurs, David Lever, Simon Cook, and SureshDonthuElectrical Heating Systems for Melting Tanks, Forehearths, andFeeders 75Werner Bock, Gunther Bock, and David BootheA Furnace Combustion System Conversion by Flammatec duringOperation at Libbey, Inc.-How Flame Geometry Improvement and ExcessAir Control Contributes to Fuel Savings 91Dan Cetnar, Petr Vojtech, and H.P.H. MuljsenbergCoatings and StrengtheningColor Control of Glass and Multilayer Coatings on Glass105David Haskins, Paul A. Medwick, and Mehran ArbabHard Glass - Thermal Strengthening of Container Glass 119Steven BrownEffects of Glass Coatings on the Glass Tempering Process131Clarles CocagneThe Usable Glass Strength Coalition Initiative to ProvideFunding for Fundamental Research in Glass Stregth 141Robert Weisenburger LipetzRefractoriesPerformance of Fusion-Cast and Bonded Refractories in GlassMelting Furnaces 161Amul Gupta, Kevin Selkregg, Matthew Wheeler, and GoetzHeilemannEnergy Savings and Furnace Design 177Matthias Lindig-NikolausNew Tin Oxide Electrodes for Glass Melting 183Julien Fourcade and Olivier CittiStructural Health Monitoring of Furnace Walls 201Eric K. Walton, Yakup Bayram, Alexander C. Ruege, JonathanYoung, Robert Burkholder, Gokhan Mumcu, Elmer Sperry, Dan Cetnar,and Thomas DankertNew CIP SEFPRO Refractory Solution to Extend Soda Lime GlassFurnace Life 207C. Linnot, M. Gaubil, T. Consales, O. Citti, T. Champion, and J.PoiretProcess Control and ModelingNon-Isothermal Pendant Drops of Molten Glass: Part 1 211Byron L. BemisICG TC21 Modeling of Glass Melting Processes-How Reliable andValidated Simulation Tools can Help to Improve Glass MeltingEfficiency and Productivity 227H.P.H MuijsenbergProper Modeling of Radiative Heat Transfer in Clear Glass Melts249A.M. Lankhorst, L. Thielen, P.J.P.M Simons, and A.F.J.A.HabrakenNovel Method for Stress Inspection of Tempered or ThermallyStrengthen Glass 259Sarath TennakoonAuthor Index 267