CN112473655A - 一种低温脱硝催化剂及其制备方法和应用 - Google Patents
一种低温脱硝催化剂及其制备方法和应用 Download PDFInfo
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- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical group [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- ODUCDPQEXGNKDN-UHFFFAOYSA-N Nitrogen oxide(NO) Natural products O=N ODUCDPQEXGNKDN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
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- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
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- 238000001027 hydrothermal synthesis 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8634—Ammonia
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
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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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113457670A (zh) * | 2021-07-16 | 2021-10-01 | 上海应用技术大学 | 一种抗卤素元素Cl中毒的低温脱硝催化剂及其制备方法和应用 |
CN113634262A (zh) * | 2021-06-10 | 2021-11-12 | 北京科技大学 | 基于气泡模板衍生法的低温scr脱硝催化剂的制备方法 |
CN116037102A (zh) * | 2023-01-30 | 2023-05-02 | 东南大学 | 三维有序大孔超低温脱硝抗水催化剂及其制备与应用 |
CN116809057A (zh) * | 2023-06-29 | 2023-09-29 | 安庆市长三角未来产业研究院 | 抗水抗硫型低温scr脱硝催化剂及其制备方法和应用 |
CN117019170A (zh) * | 2023-08-07 | 2023-11-10 | 江苏宁天环境科技有限公司 | 一种超低温烟气脱硝催化剂及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102125834A (zh) * | 2011-01-14 | 2011-07-20 | 上海交通大学 | 钛基纳米复合金属氧化物催化剂及其制备方法 |
CN103302266A (zh) * | 2013-06-03 | 2013-09-18 | 江苏蓝日超硬钢材料有限公司 | 一种自蔓延合成TiB2颗粒增强铜基表面复合材料的制备方法及一种复合铜铸件 |
CN105854874A (zh) * | 2016-05-12 | 2016-08-17 | 石河子大学 | 脱硝催化剂及其制备方法和在烟气脱硝中的应用 |
CN110787793A (zh) * | 2019-09-28 | 2020-02-14 | 亿利洁能科技(乐陵)有限公司 | 一种锅炉烟气脱硝催化剂及其制备方法 |
CN111001415A (zh) * | 2019-12-25 | 2020-04-14 | 佛山科学技术学院 | 一种复合氧化物低温脱硝催化剂的制备方法及催化剂 |
-
2020
- 2020-11-25 CN CN202011333961.6A patent/CN112473655A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102125834A (zh) * | 2011-01-14 | 2011-07-20 | 上海交通大学 | 钛基纳米复合金属氧化物催化剂及其制备方法 |
CN103302266A (zh) * | 2013-06-03 | 2013-09-18 | 江苏蓝日超硬钢材料有限公司 | 一种自蔓延合成TiB2颗粒增强铜基表面复合材料的制备方法及一种复合铜铸件 |
CN105854874A (zh) * | 2016-05-12 | 2016-08-17 | 石河子大学 | 脱硝催化剂及其制备方法和在烟气脱硝中的应用 |
CN110787793A (zh) * | 2019-09-28 | 2020-02-14 | 亿利洁能科技(乐陵)有限公司 | 一种锅炉烟气脱硝催化剂及其制备方法 |
CN111001415A (zh) * | 2019-12-25 | 2020-04-14 | 佛山科学技术学院 | 一种复合氧化物低温脱硝催化剂的制备方法及催化剂 |
Non-Patent Citations (3)
Title |
---|
任旭婷: ""Mn-Ce/TiO2低温脱硝催化剂的制备及改性研究"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
周张健编著: "《无机非金属材料工艺学》", 31 January 2010, 中国轻工业出版社 * |
徐峰等著, 煤炭工业出版社 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113634262A (zh) * | 2021-06-10 | 2021-11-12 | 北京科技大学 | 基于气泡模板衍生法的低温scr脱硝催化剂的制备方法 |
CN113457670A (zh) * | 2021-07-16 | 2021-10-01 | 上海应用技术大学 | 一种抗卤素元素Cl中毒的低温脱硝催化剂及其制备方法和应用 |
CN116037102A (zh) * | 2023-01-30 | 2023-05-02 | 东南大学 | 三维有序大孔超低温脱硝抗水催化剂及其制备与应用 |
CN116809057A (zh) * | 2023-06-29 | 2023-09-29 | 安庆市长三角未来产业研究院 | 抗水抗硫型低温scr脱硝催化剂及其制备方法和应用 |
CN117019170A (zh) * | 2023-08-07 | 2023-11-10 | 江苏宁天环境科技有限公司 | 一种超低温烟气脱硝催化剂及其制备方法 |
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Inventor after: Mao Dongsen Inventor after: Ye Linqian Inventor after: Guo Xiaoming Inventor after: Yu Jun Inventor after: Wu Guisheng Inventor before: Mao Dongsen Inventor before: Ye Linqian Inventor before: Guo Xiaoming Inventor before: Yu Jun Inventor before: Wu Guisheng |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |