Ceramic Engineering and Science Proceedings Volume 35, Issue 1, 74th Conference on Glass Problems S.K. Sundaram, Editor In continuing the tradition that dates back to 1934, this volume is a collection of 25 papers presented at the 74th Glass Problems Conference, October 1417, 2013 in Columbus, Ohio. These papers are essential reading for all who need to stay abreast of the latest research in the glass manufacturing field. Content is grouped into the below five sections:Batching and FormingGlass MeltingModeling, Sensing and ControlRefractories IRefractories II

S. K. SUNDARAM, PhD, is an Inamori Professor of Materials Science and Engineering at Alfred University. Before joining Alfred University, Dr. Sundaram was a chief materials scientist at the Pacific Northwest National Laboratory (PNNL). He joined the PNNL in 1994 as a post-doctoral fellow and became a senior research scientist in 1996. He was then promoted to chief materials scientist in January 2002. Dr. Sundaram is internationally recognized for interdisciplinary research. He has made over 100 technical presentations, edited/contributed to twelve books, published over eighty peer-reviewed publications and technical reports, mentored/supported over forty-five students, and organized/co-organized several national and international symposia on advanced topics in materials science. He is also a co-inventor in three issued patents and two provisional patent applications.

Foreword ix

Preface xi

Acknowledgments xiii

Batching and Forming

Long Term Results of Oxy Fuel Forehearth, Heating Technology for E-Glass Fibers 3Christian Windhoevel, Chendhil Periasarny, George Todd, Justin Wang, Bertrand Leroux, and Youssef Joumani

Glass Production Losses Originating from Contaminants in Cullet and Raw Materials 15J. Terry Fisk

Developing a Better Understanding of Boron Emissions from Industrial Glass Furnaces 25Andrew Zamurs, Tim Batson, David Lever, Simon Cook, and Suresh Donthu

New Developments Batch Briquetting 33Khaled Al Harndan, Heiko Hessenkemper, and Sven Wiltzach

Application of Self-Supporting Precious Metal Stirrers in the Melting of Soda-Lime Glass 43Alexander Fuchs

Glass Melting

Application of an Energy Balance Model for Improving the Energy Efficiency of Glass Melting Furnaces 53Adriaan Lankhorst, Luuk Thielen, Johan van der Dennen, and Miriam del Hoyo Arroyo

Observation of Batch Melting and Glass Melt Fining and Evolved Gas Analysis 69Penny Marson, Ruud Beerkens, and Mathi Rongen

Thermochemical Recuperation to Increase Glass Furnace Energy Efficiency 81David Rue, Aleksandr Kozlov, Mark Khinkis, and Harry Kurek

Dry Batch Optimizer-Gain All Benefits of Water-Wetting While Reducing the Drawbacks 93F. Philip Yu, Tom Hughes, and Blaine Krause

Modeling, Sensing, and Control

In-Situ CO and O2 Laser Sensor for Burner Control in Glass Furnaces 103A.J. Faberm M. van Kersbergen, and H. van Limpt

Radiation Impact on the Two-Dimensional Modeling of Glass Sheet Sagging and Tempering 109Dominique Lochegnies, Fabien Béchet, Norbert Sledow, and Philippe Moreau

An Advanced Expert Control System and Batch Imaging Software for an Improved Automatic Melter Operation 117H.P.H. (Erik) Muijsenberg, Robert Bodi, Menno Eisenga, and Glenn Neff

How Can Predictive Strategies Contribute to Improved Power Management and Decreased Energy Comsumption? 133Rene Meuleman

How Many Chambers are Enough? - A Float Furnace Modeling Study 141Matthias Lindig

Two-Dimensional Modeling of the Entire Glass Sheet Forming Process, Including Radiative Effects 147Fabien Bechet, Norbert Siedow, and Dominique Lochegnies

Refractories I

Hot Bottom Repairs: Global Impact, Performance Case Study and Development for the Americas 165S. Cristina Sánchez Franco, Kevin Pendleton, Dennis Cawthom, and Bryn Snow

Process Improvements with Bonded Alumina Channels 177Elmer Sperry and Laura Lowe

Bonded Refractories for Extreme Conditions in the Top of Regenerators 189Rongxing Bei, Klaus Santowski, Christian Majcenovic, Goetz Heilemann, and Mathew Wheeler

New Fused Cast Refractory for Metal Line Protection 197Olivier Bories, Isabelle Cabodi, Michael Gaubil, and Bruno Malphettes

Ancorro-Refinement Technology for Refractory in Glass Melt Contact 203Rolf Weigand, Heiko Hessenkemper, Anne-Katrin Rössel, DavidTritschel, and Romy Kühne

Refractories II

An Update on the Technological Evolution (Or Lack Thereof) of Chinese Manufacturers of Fused Cast Refractories and the Value vs. Cost Proposition 211P. Carlo Ratto

Monolithic Crown and Its Benefits, Colloidal Silica Bonded Refractories Technology 217Ali Farhadi, Tom Fisher, Alonso Gonzalez Rodriguez, and Marlo Estrada

High Emissivity Coatings in Glass Furnaces 225Tom Kleeb and Bill Fausey

New Recycling Solution for Refractories from Insulation Glass Furnaces 233O. Citti, C. Linnot, T. Champion, and P. Lenfant

Furnace Repair after a Hurrican Flooding at Monterrey, Mexico 245Roberto Cabrera

Author Index 251