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1.发明申请Particulate titanium oxide, method and apparatus for manufacturing the same, and treatment methods using such titanium oxide 审中-公开颗粒状氧化钛，其制造方法和装置以及使用这种氧化钛的处理方法公开(公告)号：US20050271578A1
公开(公告)日：2005-12-08
申请号：US11175210
申请日：2005-07-07
IPC分类号： C01G23/07 , C01G23/047 , B32B9/00
摘要： A particulate titanium oxide is obtained which has a large specific surface area and a high crystallinity with few internal defects, and thus a high photocatalytic activity as a photocatalyst is expected. Particulate titanium oxide in which the particles are box-shaped polyhedra is used as the photocatalyst. The particles are each a box-shaped polyhedron composed of one or more titanium oxide single crystalline polyhedron. When this single crystalline polyhedron has a flatness ratio of 0.33 to 3.0, the crystallinity is even higher. The particulate titanium oxide typically has a rutile transition ratio R(700-24) of not more than 7.5% and a rutile transition ratio R(500-24) of not more than 2.0%. Titanium oxide particles of these shapes are manufactured by feeding titanium tetrachloride vapor and oxygen into a reaction tube made of silica glass and applying heat from outside the tube to effect thermal oxidation.
摘要翻译： 得到颗粒状氧化钛，其比表面积大，结晶度高，内部缺陷少，因此预期作为光催化剂具有高的光催化活性。 其中颗粒为盒形多面体的颗粒状氧化钛用作光催化剂。 颗粒各自是由一种或多种氧化钛单晶多面体组成的盒形多面体。 当该单晶多面体具有0.33至3.0的平坦度比时，结晶度甚至更高。 颗粒状氧化钛的金红石转变率R（700-24）通常不大于7.5％，金红石转移比R（500-24）不大于2.0％。 通过将四氯化钛蒸气和氧气供入到由石英玻璃制成的反应管中并从管外部施加热量以进行热氧化来制造这些形状的氧化钛颗粒。
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