| 摘要 |
<p>High purity, low surface area strong alumina bodies are formed from finely particulate alumina by a self-bonding technique in which acid activated microcrystalline boehmite is employed to bond a finely divided alumina selected from the group consisting of predominately gibbsite, bayerite, alpha alumina and crystalline boehmite. A mix of the bond and the alumina is molded by extrusion or other similar forming technique, and fired to produce a body of alpha, kappa, delta or theta alumina, or a mixture thereof, having desireable porosity characteristics, for use as catalysts and catalyst carriers.</p> |
