公开(公告)号：US08535628B2

公开(公告)日：2013-09-17

申请号：US13731387

申请日：2012-12-31

申请人： Yasuyoshi Kato ,  Keiichiro Kai ,  Naomi Imada

发明人： Yasuyoshi Kato ,  Keiichiro Kai ,  Naomi Imada

IPC分类号： B01D53/56 ,  B01D53/94

CPC分类号： B01J27/199 ,  B01D53/64 ,  B01D53/8628 ,  B01D53/8665 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2257/602 ,  B01J21/063 ,  B01J23/002 ,  B01J27/198 ,  B01J35/06 ,  B01J37/0225 ,  B01J37/0242 ,  B01J37/0244 ,  B01J37/04 ,  B01J2523/00 ,  B01J2523/41 ,  B01J2523/47 ,  B01J2523/51 ,  B01J2523/55 ,  B01J2523/68 ,  B01J2523/69

摘要： To overcome the problem of a conventional catalyst and to provide an exhaust gas purifying catalyst that meets the requirement concerning Hg oxidation activity and SO2 oxidation activity; i.e., an exhaust gas purifying catalyst which specifically reduces percent SO2 oxidation, while maintaining percent Hg oxidation at a high level.The invention provides an exhaust gas purifying catalyst which comprises a composition containing oxides of (i) titanium (Ti), (ii) molybdenum (Mo) and/or tungsten (W), (iii) vanadium (V), and (iv) phosphorus (P), wherein the catalyst contains Ti, Mo and/or W, and V in atomic proportions of 85 to 97.5:2 to 10: 0.5 to 10, and has an atomic ratio of P/(sum of V and Mo and/or W) of 0.5 to 1.5, and an exhaust gas purifying method comprising exposing an exhaust gas containing a nitrogen oxide (NOX) and metallic mercury (Hg) to the catalyst in the presence of ammonia as a reducing agent, to thereby perform reduction of NOX contained in the exhaust gas and oxidation of metallic mercury (Hg) contained in the exhaust gas.

摘要翻译： 为了克服常规催化剂的问题，提供一种符合Hg氧化活性和SO2氧化活性要求的排气净化催化剂; 即特别减少SO2氧化百分比的废气净化催化剂，同时保持高水平的Hg氧化百分比。 本发明提供一种废气净化催化剂，其包含含有（i）钛（Ti），（ii）钼（Mo）和/或钨（W），（iii）钒（V）和（iv） 磷（P），其中催化剂含有Ti，Mo和/或W，原子比例为V原子比为85〜97.5:2〜10:0.5〜10，原子比为P /（V与Mo和 /或W）为0.5〜1.5，以及废气净化方法，其包括在氨作为还原剂的存在下将含有氮氧化物（NOX）和金属汞（Hg）的废气暴露于所述催化剂，从而进行还原 的废气中含有的NO x和废气中所含的金属汞（Hg）的氧化。

公开(公告)号：US20110116999A1

公开(公告)日：2011-05-19

申请号：US12934301

申请日：2009-03-25

申请人： Yasuyoshi Kato ,  Naomi Imada ,  Keiichiro Kai

发明人： Yasuyoshi Kato ,  Naomi Imada ,  Keiichiro Kai

IPC分类号： B01D53/56 ,  B01J27/198 ,  B01J27/188 ,  B01J27/19 ,  B01J37/08

CPC分类号： B01J27/199 ,  B01D53/64 ,  B01D53/8628 ,  B01D53/8665 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01J21/063 ,  B01J23/22 ,  B01J23/28 ,  B01J23/30 ,  B01J35/06 ,  B01J37/0225 ,  B01J37/04 ,  B01J37/28

摘要： An exhaust gas purification catalyst is provided which contains titanium oxide as a main component and an oxide of one element or two or more elements selected from the group consisting of tungsten (W), molybdenum (Mo), and vanadium (V) as an active component, wherein the exhaust gas purification catalyst contains phosphoric acid or a water soluble phosphoric acid compound so that the atomic ratio of phosphorus (P) to a catalytically active component represented by the following formula is more than 0 and 1.0 or less;P/catalytically active component (atomic ratio)=number of moles of P/(number of moles of W+number of moles of Mo+number of moles of V).

摘要翻译： 提供一种废气净化催化剂，其包含氧化钛作为主要成分，并且选自钨（W），钼（Mo）和钒（V）作为活性的一种或两种以上的元素的氧化物 其中所述废气净化催化剂含有磷酸或水溶性磷酸化合物，使得磷（P）与由下式表示的催化活性成分的原子比大于0和1.0以下; P /催化活性成分（原子比）= P /摩尔数（W的摩尔数+ Mo的摩尔数+ V的摩尔数）。

公开(公告)号：US20090053121A1

公开(公告)日：2009-02-26

申请号：US12162189

申请日：2007-02-09

申请人： Keiichiro Kai ,  Yasuyoshi Kato ,  Naomi Imada

发明人： Keiichiro Kai ,  Yasuyoshi Kato ,  Naomi Imada

IPC分类号： B01D53/64 ,  B01J21/06

CPC分类号： B01D53/8665 ,  B01D2255/20723 ,  B01D2257/602 ,  B01J21/08 ,  B01J23/22 ,  B01J37/0215 ,  B01J37/0236 ,  B01J37/031 ,  B01J37/036

摘要： A catalyst mainly containing silicon oxide and vanadium oxide and having an Si/V atomic ratio within the range from 99.5/0.5 to 85/15 is obtained by gelatinizing a liquid mixture of a colloidal silica and a vanadium compound in advance, then mixing the thus-obtained slurry by heating, and finally drying and/or firing the resulting mixture. As a catalyst for oxidizing mercury metal, this catalyst is brought into contact with an exhaust gas containing mercury metal, thereby oxidizing mercury metal.

摘要翻译： 通过预先将胶态二氧化硅和钒化合物的液体混合物胶化，得到主要含有氧化硅和氧化钒并且具有99.5 / 0.5〜85/15的Si / V原子比的催化剂，然后将其混合 通过加热获得浆料，最后干燥和/或焙烧所得混合物。 作为氧化汞金属的催化剂，该催化剂与含有汞金属的废气接触，从而氧化汞金属。

公开(公告)号：US20110268638A1

公开(公告)日：2011-11-03

申请号：US13142954

申请日：2010-12-13

申请人： Yasuyoshi Kato ,  Keiichiro Kai ,  Seiji Ikemoto

发明人： Yasuyoshi Kato ,  Keiichiro Kai ,  Seiji Ikemoto

IPC分类号： B01D53/64

CPC分类号： B01D53/75 ,  B01D53/501 ,  B01D53/64 ,  B01D53/8625 ,  B01D2251/2062 ,  B01D2251/2067 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20769 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2257/602 ,  B01D2258/0283 ,  B03C3/017 ,  Y02A50/2349

摘要： A method for removing mercury in a combustion exhaust gas includes injecting ammonia or urea as a reducing agent into a combustion exhaust gas containing nitrogen oxides, sulfur dioxide, metallic mercury, and hydrogen halides, and then introducing the combustion exhaust gas to a denitration apparatus filled with a denitration catalyst to cause a denitration reaction and oxidize the metallic mercury to produce mercury halide; and introducing the combustion exhaust gas through an air preheater and an electric dust collector to a wet desulfurization apparatus, thereby removing sulfur dioxides and the mercury halide, wherein the ammonia concentration of the combustion exhaust gas at an exit of the denitration apparatus is maintained at 5 ppm or higher, and the mercury halide is adsorbed or precipitated onto combustion ash and collected by the electric dust collector to discharge the mercury halide out of a system.

摘要翻译： 一种除去燃烧废气中的汞的方法包括将氨或尿素作为还原剂注入到含有氮氧化物，二氧化硫，金属汞和卤化氢的燃烧废气中，然后将燃烧废气引入填充的脱硝装置 用脱硝催化剂引起脱硝反应并氧化金属汞以产生卤化汞; 通过空气预热器和电除尘器将燃烧废气引入湿式脱硫装置，从而除去二氧化硫和卤化汞，其中脱硝装置出口处的燃烧废气的氨浓度保持在5 ppm或更高，并且卤化汞被吸附或沉淀到燃烧灰中并由电集尘器收集，以将汞卤化物排出系统。

公开(公告)号：US20130142719A1

公开(公告)日：2013-06-06

申请号：US13814523

申请日：2011-08-04

申请人： Keiichiro Kai ,  Yasuyoshi Kato ,  Naomi Imada

发明人： Keiichiro Kai ,  Yasuyoshi Kato ,  Naomi Imada

IPC分类号： B01J27/053

CPC分类号： B01J27/053 ,  B01D53/8628 ,  B01D2251/2062 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2255/2092 ,  B01J21/04 ,  B01J21/063 ,  B01J21/08 ,  B01J23/22 ,  B01J23/28 ,  B01J23/30 ,  B01J35/1019 ,  B01J37/0201 ,  B01J37/038 ,  B01J37/04

摘要： An exhaust gas purification catalyst is made as a composition comprising titanium oxide (TiO2), aluminum sulfate (Al2(SO4)3), an oxide of vanadium (V), and an oxide of molybdenum (Mo) and/or tungsten (W), wherein on titanium oxide having sulfate ions and aluminum ions adsorbed thereon obtained by making contact with aluminum sulfate at more than 1 wt % and not more than 6 wt % relative to titanium oxide in the presence of water, an oxo acid salt of vanadium or a vanadyl salt and an oxo acid or an oxo acid salt of molybdenum and/or tungsten are supported in a proportion of more than 0 atom % and not more than 3 atom %, respectively. By this, the degradation of catalyst performance can be suppressed even with exhaust gas containing potassium compounds at a high concentration in combustion ash.

摘要翻译： 制备废气净化催化剂作为包含氧化钛（TiO 2），硫酸铝（Al 2（SO 4）3），钒（V）的氧化物和钼（Mo）和/或钨（W）的氧化物的组合物， 其中，在具有硫酸根离子和铝离子的氧化钛上，所述硫酸根离子和铝离子通过在水存在下相对于二氧化钛与硫酸铝接触超过1重量％且不大于6重量％，钒的含氧酸盐或 钼和/或钨的氧钒酸和含氧酸或含氧酸盐分别以大于0原子％且不大于3原子％的比例负载。 由此，即使在燃烧灰中含有高浓度的钾化合物的废气也能够抑制催化剂性能的降低。

公开(公告)号：US08372363B2

公开(公告)日：2013-02-12

申请号：US13142954

申请日：2010-12-13

申请人： Yasuyoshi Kato ,  Keiichiro Kai ,  Seiji Ikemoto

发明人： Yasuyoshi Kato ,  Keiichiro Kai ,  Seiji Ikemoto

IPC分类号： B01D53/50 ,  B01D53/56 ,  B01D53/64 ,  B01D53/75 ,  B01D53/74

CPC分类号： B01D53/75 ,  B01D53/501 ,  B01D53/64 ,  B01D53/8625 ,  B01D2251/2062 ,  B01D2251/2067 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20769 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2257/602 ,  B01D2258/0283 ,  B03C3/017 ,  Y02A50/2349

摘要： A method for removing mercury in a combustion exhaust gas includes injecting ammonia or urea as a reducing agent into a combustion exhaust gas containing nitrogen oxides, sulfur dioxide, metallic mercury, and hydrogen halides, and then introducing the combustion exhaust gas to a denitration apparatus filled with a denitration catalyst to cause a denitration reaction and oxidize the metallic mercury to produce mercury halide; and introducing the combustion exhaust gas through an air preheater and an electric dust collector to a wet desulfurization apparatus, thereby removing sulfur dioxides and the mercury halide, wherein the ammonia concentration of the combustion exhaust gas at an exit of the denitration apparatus is maintained at 5 ppm or higher, and the mercury halide is adsorbed or precipitated onto combustion ash and collected by the electric dust collector to discharge the mercury halide out of a system.

摘要翻译： 一种除去燃烧废气中的汞的方法包括将氨或尿素作为还原剂注入到含有氮氧化物，二氧化硫，金属汞和卤化氢的燃烧废气中，然后将燃烧废气引入填充的脱硝装置 用脱硝催化剂引起脱硝反应并氧化金属汞以产生卤化汞; 通过空气预热器和电除尘器将燃烧废气引入湿式脱硫装置，从而除去二氧化硫和卤化汞，其中脱硝装置出口处的燃烧废气的氨浓度保持在5 ppm或更高，并且卤化汞被吸附或沉淀到燃烧灰中并由电集尘器收集，以将汞卤化物排出系统。

公开(公告)号：US20120270723A1

公开(公告)日：2012-10-25

申请号：US13516887

申请日：2010-12-17

申请人： Seiji Ikemoto ,  Yasuyoshi Kato ,  Keiichiro Kai

发明人： Seiji Ikemoto ,  Yasuyoshi Kato ,  Keiichiro Kai

IPC分类号： B01J21/06

CPC分类号： B01J23/92 ,  B01D53/64 ,  B01D53/8625 ,  B01D53/88 ,  B01D53/9409 ,  B01D53/96 ,  B01D2255/106 ,  B01D2257/602 ,  B01J20/0233 ,  B01J20/06 ,  B01J20/08 ,  B01J20/14 ,  B01J20/20 ,  B01J20/28016 ,  B01J20/28045 ,  B01J20/3204 ,  B01J20/3236 ,  B01J20/34 ,  B01J20/345 ,  B01J21/20 ,  B01J38/62 ,  B01J2220/56

摘要： Provided is a method for cleaning a used denitration catalyst, which prevents release of mercury to the atmosphere by collecting and removing mercury which would have been released to the atmosphere in the process of cleaning the used denitration catalyst. The method comprises immersing the used denitration catalyst mainly composed of titanium oxide and having been used in exhaust gas containing mercury in a cleaning liquid, and stirring the cleaning liquid to dissolve and remove catalyst poisons including the mercury from the used denitration catalyst, wherein a waste gas generated in the step of stirring the cleaning liquid is conducted to a flue having a mercury removal device so as to remove the mercury, and then vented to the atmosphere.

摘要翻译： 本发明提供一种清洗用过的脱硝催化剂的方法，该方法通过在清洗所使用的脱硝催化剂的过程中收集和除去已被释放到大气中的汞来防止汞向大气中的释放。 该方法包括浸渍主要由氧化钛组成的废硝化催化剂，并将其用于清洗液中含汞的排气中，搅拌清洗液，从废硝化催化剂中溶解除去包括汞的催化剂毒物，其中废物 将在搅拌清洗液的步骤中产生的气体导入具有除汞装置的烟道中，以除去汞，然后排放到大气中。

公开(公告)号：US20090246111A1

公开(公告)日：2009-10-01

申请号：US12442130

申请日：2008-01-30

申请人： Yasuyoshi Kato ,  Keiichiro Kai ,  Naomi Imada

发明人： Yasuyoshi Kato ,  Keiichiro Kai ,  Naomi Imada

IPC分类号： B01D53/56 ,  B01J23/00 ,  B01J27/199

CPC分类号： B01J23/31 ,  B01D53/8665 ,  B01D2251/2062 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2257/404 ,  B01D2257/602 ,  B01J23/002 ,  B01J23/28 ,  B01J23/30 ,  B01J27/199 ,  B01J35/06 ,  B01J37/28 ,  B01J2523/00 ,  B01J2523/47 ,  B01J2523/54 ,  B01J2523/55 ,  B01J2523/69 ,  B01J2523/68

摘要： The invention realizes a catalyst which is hardly deteriorated even when volatile catalyst-poisoning compounds such as P and As are accumulated and which can reduce the rate of oxidation of SO2 to a level as low as a fraction of that of the catalyst in the prior art, and provides an exhaust gas purification catalyst which can maintain a high activity and a low rate of oxidation of SO2 for a long time even with any diversified coal, a method of producing the same, and an exhaust gas purification method using the same. Disclosed is an exhaust gas purification catalyst having a composition comprising oxides of titanium (Ti), molybdenum (Mo) and/or tungsten (W), vanadium (V) and bismuth (Bi), wherein the atomic ratio of Ti:(Mo and/or W):V is 75 to 98.9:1 to 0.1 to 10 and the atomic ratio of Bi/(Mo and/or W) is 0.1 to 0.8.

摘要翻译： 本发明实现了即使当诸如P和As等挥发性催化剂中毒化合物被累积并且可以将SO 2的氧化速率降低到现有技术中的催化剂的一部分的程度时也几乎不劣化的催化剂 并且提供了即使使用任何多种煤也能长时间保持SO 2的高活性和低氧化率的废气净化催化剂，其制造方法和使用该废气净化催化剂的废气净化方法。 公开了具有钛（Ti），钼（Mo）和/或钨（W），钒（V）和铋（Bi）的氧化物的组成的废气净化催化剂，其中Ti：（Mo和 /或W）：V为75〜98.9:1〜0.1〜10，Bi /（Mo和/或W）的原子比为0.1〜0.8。

公开(公告)号：US20140228208A1

公开(公告)日：2014-08-14

申请号：US13807086

申请日：2011-06-28

申请人： Yasuyoshi Kato ,  Naomi Imada ,  Keiichiro Kai ,  Kotoe Matsuyama

发明人： Yasuyoshi Kato ,  Naomi Imada ,  Keiichiro Kai ,  Kotoe Matsuyama

IPC分类号： B01J27/188

CPC分类号： B01J27/188 ,  B01D53/8625 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20769 ,  B01D2255/30 ,  B01J23/002 ,  B01J23/28 ,  B01J27/199 ,  B01J35/0026 ,  B01J37/0009 ,  B01J37/0203 ,  B01J37/0207 ,  B01J37/0217 ,  B01J37/0225 ,  B01J37/0234 ,  B01J37/28 ,  B01J2523/00 ,  B01J2523/47 ,  B01J2523/55 ,  B01J2523/68

摘要： A metal substrate for flue gas-denitration catalyst that, like SUS304, can be used without corroding is provided by improving the corrosion resistance of SUS430 substrate that is inexpensive and can easily be supplied stably. A method for producing the metal substrate for flue gas-denitration catalyst, wherein the method comprising the steps of: lath-processing a band-shaped steel plate made of ferrite stainless steel into a band-shaped metal lath; (1) degreasing process oil adhering to the metal lath; (2) passing the metal lath through a solution containing phosphoric acid and surfactant to load the solution; (3) draining off the excess solution; and (4) drying and heating the solution-loaded metal lath to react the phosphoric acid with the substrate, in which respective steps are carried out sequentially to form a film of phosphate compound on a surface of the substrate.

摘要翻译： 通过提高SUS430基板的廉价且易于稳定供给的耐腐蚀性，可以提供与SUS304类似的不含腐蚀的烟气脱硝催化剂用金属基材。 一种烟道气脱硝催化剂用金属基材的制造方法，其特征在于，包括以下步骤：将由铁素体不锈钢制的带状钢板条板加工成带状的金属板条; （1）脱脂工艺油附着在金属板条上; （2）使金属板条通过含有磷酸和表面活性剂的溶液以加载溶液; （3）排出多余的溶液; 和（4）干燥并加热载有溶液的金属板条以使磷酸与基材反应，其中各步骤依次进行以在基材的表面上形成磷酸盐化合物的膜。

公开(公告)号：US08748332B2

公开(公告)日：2014-06-10

申请号：US13516887

申请日：2010-12-17

申请人： Seiji Ikemoto ,  Yasuyoshi Kato ,  Keiichiro Kai

发明人： Seiji Ikemoto ,  Yasuyoshi Kato ,  Keiichiro Kai

IPC分类号： B01J38/48 ,  B01J38/60 ,  B01J20/32 ,  B01J20/14 ,  B01J20/28 ,  B01J20/34 ,  B01J21/20 ,  B01J23/92 ,  B01J38/62 ,  B01D53/64 ,  B01D53/96 ,  B01D53/88 ,  B01J20/06 ,  B01J20/08 ,  B01D53/86 ,  B01D53/94

CPC分类号： B01J23/92 ,  B01D53/64 ,  B01D53/8625 ,  B01D53/88 ,  B01D53/9409 ,  B01D53/96 ,  B01D2255/106 ,  B01D2257/602 ,  B01J20/0233 ,  B01J20/06 ,  B01J20/08 ,  B01J20/14 ,  B01J20/20 ,  B01J20/28016 ,  B01J20/28045 ,  B01J20/3204 ,  B01J20/3236 ,  B01J20/34 ,  B01J20/345 ,  B01J21/20 ,  B01J38/62 ,  B01J2220/56

摘要： Provided is a method for cleaning a used denitration catalyst, which prevents release of mercury to the atmosphere by collecting and removing mercury which would have been released to the atmosphere in the process of cleaning the used denitration catalyst. The method comprises immersing the used denitration catalyst mainly composed of titanium oxide and having been used in exhaust gas containing mercury in a cleaning liquid, and stirring the cleaning liquid to dissolve and remove catalyst poisons including the mercury from the used denitration catalyst, wherein a waste gas generated in the step of stirring the cleaning liquid is conducted to a flue having a mercury removal device so as to remove the mercury, and then vented to the atmosphere.

摘要翻译： 本发明提供一种清洗用过的脱硝催化剂的方法，该方法通过在清洗所使用的脱硝催化剂的过程中收集和除去已被释放到大气中的汞来防止汞向大气中的释放。 该方法包括浸渍主要由氧化钛组成的废硝化催化剂，并将其用于清洗液中含汞的排气中，搅拌清洗液，从废硝化催化剂中溶解除去包括汞的催化剂毒物，其中废物 将在搅拌清洗液的步骤中产生的气体导入具有除汞装置的烟道中，以除去汞，然后排放到大气中。