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    • 2. 发明授权
    • Apparatus and method for manufacturing manganese oxide-titania catalyst
    • 锰氧化物 - 二氧化钛催化剂的制造方法
    • US08476185B2
    • 2013-07-02
    • US13006105
    • 2011-01-13
    • Sung Min ChinJong Soo JurngGwi Nam BaeEun Seuk ParkMin Su Kim
    • Sung Min ChinJong Soo JurngGwi Nam BaeEun Seuk ParkMin Su Kim
    • B01J23/00B01J21/00
    • B01J35/0013B01J21/063B01J23/34B01J35/008B01J35/06B01J37/14B01J37/349B01J2208/00203
    • Disclosed are an apparatus and method for preparing a manganese oxide-titania catalyst. The apparatus for preparing a manganese oxide-titania catalyst includes: a vaporizer vaporizing a manganese precursor and a titanium precursor; a carrier gas supply line supplying a carrier gas, which carries precursor vapors vaporized by the vaporizer to a reactor, to the vaporizer; an oxygen supply line supplying an oxygen source to the reactor; the reactor reacting the precursor vapors with the oxygen source to synthesize a manganese oxide-titania catalyst; and a collector condensing and collecting the manganese oxide-titania catalyst synthesized in the reactor. And, the method for preparing a manganese oxide-titania catalyst includes: 1) vaporizing a manganese precursor and a titanium precursor; 2) carrying precursor vapors (vapors of the manganese precursor and the titanium precursor) and an oxygen source to a reactor; 3) reacting the precursor vapors and the oxygen source to synthesize a manganese oxide-titania catalyst; and 4) condensing and collecting the manganese oxide-titania catalyst. According to the present disclosure, mass production of manganese oxide-titania catalysts with high decomposition efficiency of organic compounds can be prepared through fewer and continuous processes.
    • 公开了一种制备氧化锰 - 二氧化钛催化剂的装置和方法。 用于制备氧化锰 - 二氧化钛催化剂的装置包括:蒸发锰前体和钛前体的蒸发器; 供应载气的载气供应管线,其将由气化器蒸发的前体蒸汽携带到反应器; 向反应器供应氧源的供氧管线; 反应器将前体蒸气与氧源反应以合成氧化锰 - 二氧化钛催化剂; 以及收集器,其收集在反应器中合成的氧化锰 - 二氧化钛催化剂。 而且,制备氧化锰 - 二氧化钛催化剂的方法包括:1)蒸发锰前体和钛前体; 2)将前体蒸汽(锰前体和钛前体的蒸气)和氧源输送到反应器; 3)使前体蒸气和氧源反应合成氧化锰 - 二氧化钛催化剂; 和4)冷凝和收集氧化锰 - 二氧化钛催化剂。 根据本公开,可以通过更少和连续的方法制备具有高分解效率的有机化合物的氧化锰 - 二氧化钛催化剂的批量生产。
    • 3. 发明申请
    • VANADIA-TITANIA CATALYST FOR REMOVING NITROGEN OXIDES AND METHOD FOR MANUFACTURING THE SAME
    • 用于去除氮氧化物的VANADIA-TITANIA催化剂及其制造方法
    • US20140018237A1
    • 2014-01-16
    • US13686232
    • 2012-11-27
    • Jong Soo JurngSung Min ChinEun Seuk Park
    • Jong Soo JurngSung Min ChinEun Seuk Park
    • B01J23/22
    • B01J23/22B01D53/9409B01D53/9418B01D2255/20707B01D2255/20723B01D2255/9207B01J35/002B01J35/1019B01J35/1038B01J37/0201B01J37/0211B01J37/0213B01J37/0238
    • Provided is a method for preparing a vanadia-titania catalyst, comprising: vaporizing a titanium precursor; conveying the vaporized titanium precursor to a reaction unit together with an oxygen supplying source; reacting the vaporized titanium precursor conveyed to the reaction unit with the oxygen supplying source to produce titania particles; condensing the titania particles, collecting and recovering them; mixing the recovered titania particles with a vanadium precursor solution; drying the mixture of the titania particles with the vanadium precursor solution; and calcining the dried mixture under oxygen atmosphere or air. Provided also is a vanadia-titania catalyst obtained by the method. In the vanadia-titania catalyst, titania particles (carriers) are prepared by chemical vapor condensation, and then vanadia is supported on the titania particles (carriers) through impregnation and calcining. Therefore, the vanadia-titania catalyst has a large specific surface area, uniform and fine nano-scaled size, and high dispersibility, thereby providing excellent nitrogen oxide removal efficiency, particularly in a low temperature range of 200° C.-250° C.
    • 提供了一种制备氧化钒 - 二氧化钛催化剂的方法,包括:蒸发钛前体; 将蒸发的钛前体与氧供应源一起输送到反应单元; 将输送到反应单元的蒸发的钛前体与供氧源反应以产生二氧化钛颗粒; 冷凝二氧化钛颗粒,收集和回收它们; 将回收的二氧化钛颗粒与钒前体溶液混合; 用钒前体溶液干燥二氧化钛颗粒的混合物; 并在氧气氛或空气下煅烧干燥的混合物。 还提供了通过该方法获得的氧化钒 - 二氧化钛催化剂。 在氧化钒 - 二氧化钛催化剂中,通过化学气相冷凝法制备二氧化钛颗粒(载体),然后通过浸渍和煅烧将氧化钒负载在二氧化钛颗粒(载体)上。 因此,氧化钒 - 二氧化钛催化剂的比表面积大,纳米级尺寸均匀,分散性高,因此提供优异的氮氧化物去除效率,特别是在200℃-250℃的低温范围内。