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公开(公告)号:US4061596A
公开(公告)日:1977-12-06
申请号:US636983
申请日:1975-12-02
CPC分类号: B01J21/063 , B01D53/8628 , B01J23/22 , B01J37/0009
摘要: A process for preparing a shaped titanium oxide catalyst carrier which comprises calcining titanium oxide at 400.degree. C-800.degree. C as a first calcining step, then shaping the titanium oxide followed by calcining the shaped material at 300.degree. C-800.degree. C as a second calcining step.
摘要翻译: 一种制备成型氧化钛催化剂载体的方法,其包括在400℃-800℃下煅烧氧化钛作为第一煅烧步骤,然后将氧化钛成型,然后在300℃-800℃下煅烧成型材料作为 第二次煅烧步骤。
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公开(公告)号:US4048112A
公开(公告)日:1977-09-13
申请号:US685920
申请日:1976-05-12
CPC分类号: B01J21/063 , B01D53/8628 , B01J23/22
摘要: A catalyst for the selective reduction of nitrogen oxides in exhaust gases in the presence of ammonia is vanadium oxide supported on a specific carrier of the anatase form of titanium oxide.
摘要翻译: 用于在氨存在下选择性还原废气中的氮氧化物的催化剂是负载在锐钛矿形式的氧化钛的特定载体上的氧化钒。
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公开(公告)号:US4224292A
公开(公告)日:1980-09-23
申请号:US966660
申请日:1978-12-05
申请人: Mitsuo Uchida , Takeshi Okano , Kunichi Matsushita , Yasuo Oguri , Junji Saito , Takao Kaneko
发明人: Mitsuo Uchida , Takeshi Okano , Kunichi Matsushita , Yasuo Oguri , Junji Saito , Takao Kaneko
CPC分类号: B01D53/8637 , B01D53/9418 , B01D2251/2062 , B01D2255/20738 , B01D2255/20761
摘要: Nitrogen oxides in exhaust gases are catalytically reduced in the presence of oxygen and ammonia at 200.degree. to 600.degree. C. over a catalyst of at least one catalyst component selected from the group consisting of compounds of metals of Groups 1B, 5A, 6A, 7A and 8 of the periodic table, and lanthanides and tin which is supported on a specific carrier comprising a main component of calcium silicate.
摘要翻译: 废气中的氮氧化物在氧和氨的存在下在200至600℃下催化还原,所述催化剂选自由1B,5A,6A,7A族金属组成的组中的至少一种催化剂组分 和8元素,以及负载在包含硅酸钙的主要成分的特定载体上的镧系元素和锡。
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