| 摘要 |
PURPOSE:To provide an alumina porous body utilizable as a carrier for a heterogeneous catalyst for cleaning waste gases used in catalyst combustors, internal combustion engines, treating petroleum fractions, organic synthesis, etc. CONSTITUTION:The objective alumina-based porous body has >=2.0ml/g total pore volume, 50-500m<2>/g specific surface area and 0.1-6.0ml/g pare volume of pores having <=100nm pore radius, >=30% pore volume having 10-100nm pore radius and one or more peaks of the pore radius above 0.01mum pore radius and is excellent in heat resistance.
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