Vacuum refining of glassy materials with controlled foaming
Vacuum refining of glassy materials with selected foaming rate
Vacuum refining of glassy materials with selected water content
Vertical glassmaking furnace and method of operation
Vitrification furnace with dual heating means
Vitrification of asbestos waste
Vitrification of asbestos waste
Waste heat recovery from regenerative furnaces
Water enhanced fining process a method to reduce toxic emissions