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    • 4. 发明授权
    • Method for preparing hydrous iron oxide gels and spherules
    • 水合氧化铁凝胶和球晶的制备方法
    • US06599493B2
    • 2003-07-29
    • US09917117
    • 2001-07-27
    • Jack L. CollinsRobert J. LaufKimberly K. Anderson
    • Jack L. CollinsRobert J. LaufKimberly K. Anderson
    • C01G4900
    • C01G49/02C01G49/0036C01P2004/32C01P2004/62
    • The present invention is directed to methods for preparing hydrous iron oxide spherules, hydrous iron oxide gels such as gel slabs, films, capillary and electrophoresis gels, iron monohydrogen phosphate spherules, hydrous iron oxide spherules having suspendable particles homogeneously embedded within to form composite sorbents and catalysts, iron monohydrogen phosphate spherules having suspendable particles of at least one different sorbent homogeneously embedded within to form a composite sorbent, iron oxide spherules having suspendable particles homogeneously embedded within to form a composite of hydrous iron oxide fiber materials, iron oxide fiber materials, hydrous iron oxide fiber materials having suspendable particles homogeneously embedded within to form a composite, iron oxide fiber materials having suspendable particles homogeneously embedded within to form a composite, dielectric spherules of barium, strontium, and lead ferrites and mixtures thereof, and composite catalytic spherules of barium or strontium ferrite embedded with oxides of Mg, Zn, Pb, Ce and mixtures thereof. These variations of hydrous iron oxide spherules and gel forms prepared by the gel-sphere, internal gelation process offer more useful forms of inorganic ion exchangers, catalysts, getters, dielectrics, and ceramics.
    • 本发明涉及制备含水氧化铁球,含水氧化铁凝胶如凝胶板,薄膜,毛细管和电泳凝胶,单磷酸铁球,含有均匀嵌入其中的悬浮颗粒的含水氧化铁球,形成复合吸附剂的方法, 催化剂,具有均匀嵌入以形成复合吸附剂的至少一种不同吸附剂的悬浮颗粒的磷酸一氢化铁小球,具有均匀嵌入其中的可悬浮颗粒的氧化铁球,形成水合氧化铁纤维材料,氧化铁纤维材料,含水 具有均匀地嵌入其中以形成复合材料的悬浮颗粒的氧化铁纤维材料,具有均匀地嵌入其中的可悬浮颗粒的氧化铁纤维材料,以形成钡,锶和铅铁氧体的介电球,及其混合物,以及复合催化剂 包含Mg,Zn,Pb,Ce的氧化物的钡或锶铁氧体的球体及其混合物。 通过凝胶球,内部凝胶化方法制备的含水氧化铁球和凝胶形式的这些变化提供了更有用的无机离子交换剂,催化剂,吸气剂,电介质和陶瓷的形式。