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US08497222B2 Alumina-magnesia material for a gasifier 有权
用于气化炉的氧化铝 - 氧化镁材料

Alumina-magnesia material for a gasifier
摘要:
A molten and cast refractory material having a chemical composition, in weight percent on the basis of oxides, of: —Al2O3: the remainder up to 100%; —MgO: 28% to 50%; —CuO: 0.05% to 1.0%; —B2O3: ≦1.0%; —SiO2:
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