CN109590021B - 一种夹心结构的氨泄漏催化剂及其制备方法和应用 - Google Patents
一种夹心结构的氨泄漏催化剂及其制备方法和应用 Download PDFInfo
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- CN109590021B CN109590021B CN201811410295.4A CN201811410295A CN109590021B CN 109590021 B CN109590021 B CN 109590021B CN 201811410295 A CN201811410295 A CN 201811410295A CN 109590021 B CN109590021 B CN 109590021B
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- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 62
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- 238000012795 verification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/48—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/82—Phosphates
- B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
- B01J29/85—Silicoaluminophosphates [SAPO compounds]
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- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
Abstract
Description
实施例 | 通入气氛情况 |
实施例12 | 氧气-氮气混合气(氧气和氮气的体积比为1:9) |
实施例13 | 压缩空气 |
实施例14 | 氩气 |
Claims (10)
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CN201811410295.4A CN109590021B (zh) | 2018-11-23 | 2018-11-23 | 一种夹心结构的氨泄漏催化剂及其制备方法和应用 |
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CN109590021B true CN109590021B (zh) | 2022-03-22 |
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CN111715024B (zh) * | 2020-06-10 | 2022-07-19 | 浙江工业大学 | 用于燃料电池空气净化的吸附催化材料及其智能设计方法 |
CN111841572B (zh) * | 2020-08-06 | 2021-04-30 | 合肥神舟催化净化器股份有限公司 | 一种高酸性单涂层钙钛矿基柴油机用氨氧化催化剂及制备和使用方法 |
JP2024507207A (ja) | 2021-02-17 | 2024-02-16 | ビーエーエスエフ コーポレーション | アンモニア酸化触媒及びその調製方法 |
JP2023543668A (ja) * | 2021-09-01 | 2023-10-18 | 寧波吉利羅佑発動机零部件有限公司 | アンモニア吸着触媒及びその製造方法並びに応用 |
CN116116451A (zh) * | 2022-11-25 | 2023-05-16 | 光大环境科技(中国)有限公司 | 一种低温协同脱硝脱二噁英的复合催化剂制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1327396A (zh) * | 1999-11-26 | 2001-12-19 | 日产自动车株式会社 | 废气净化催化剂 |
EP1364708A1 (en) * | 2000-02-01 | 2003-11-26 | Nissan Motor Co., Ltd. | Exaust gas purifying catalyst |
CN102451731A (zh) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | 一种蜂窝载体催化剂涂层浆液的制备及其应用 |
CN103055858A (zh) * | 2007-02-02 | 2013-04-24 | 巴斯福催化剂公司 | 多层三效转化催化剂组合物 |
CN104888841A (zh) * | 2015-05-26 | 2015-09-09 | 华东理工大学 | 一种分子筛涂层的整体式催化剂的制备方法 |
CN107073460A (zh) * | 2014-07-02 | 2017-08-18 | 庄信万丰股份有限公司 | 作为氨氧化催化剂的具有覆盖层scr组分的钙钛矿和用于柴油机废气排放控制的系统 |
CN107961813A (zh) * | 2016-10-19 | 2018-04-27 | 中国科学院大连化学物理研究所 | 提高柴油车尾气脱硝分子筛整体催化剂涂层均匀度的方法 |
CN108138624A (zh) * | 2015-09-29 | 2018-06-08 | 庄信万丰股份有限公司 | 用于燃气轮机的分区的氨泄漏催化剂 |
-
2018
- 2018-11-23 CN CN201811410295.4A patent/CN109590021B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1327396A (zh) * | 1999-11-26 | 2001-12-19 | 日产自动车株式会社 | 废气净化催化剂 |
EP1364708A1 (en) * | 2000-02-01 | 2003-11-26 | Nissan Motor Co., Ltd. | Exaust gas purifying catalyst |
CN103055858A (zh) * | 2007-02-02 | 2013-04-24 | 巴斯福催化剂公司 | 多层三效转化催化剂组合物 |
CN102451731A (zh) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | 一种蜂窝载体催化剂涂层浆液的制备及其应用 |
CN107073460A (zh) * | 2014-07-02 | 2017-08-18 | 庄信万丰股份有限公司 | 作为氨氧化催化剂的具有覆盖层scr组分的钙钛矿和用于柴油机废气排放控制的系统 |
CN104888841A (zh) * | 2015-05-26 | 2015-09-09 | 华东理工大学 | 一种分子筛涂层的整体式催化剂的制备方法 |
CN108138624A (zh) * | 2015-09-29 | 2018-06-08 | 庄信万丰股份有限公司 | 用于燃气轮机的分区的氨泄漏催化剂 |
CN107961813A (zh) * | 2016-10-19 | 2018-04-27 | 中国科学院大连化学物理研究所 | 提高柴油车尾气脱硝分子筛整体催化剂涂层均匀度的方法 |
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