CN101708473A - 尿素水解催化器 - Google Patents
尿素水解催化器 Download PDFInfo
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- CN101708473A CN101708473A CN200910169966A CN200910169966A CN101708473A CN 101708473 A CN101708473 A CN 101708473A CN 200910169966 A CN200910169966 A CN 200910169966A CN 200910169966 A CN200910169966 A CN 200910169966A CN 101708473 A CN101708473 A CN 101708473A
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- Prior art keywords
- hydrolysis catalyst
- urea hydrolysis
- weight
- carrier
- catalytic activity
- Prior art date
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Images
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- B01J31/127—Silicones or siloxanes or comprising such units the siloxane units, e.g. silsesquioxane units, being grafted onto other polymers or inorganic supports, e.g. via an organic linker
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0219—Coating the coating containing organic compounds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/40—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a hydrolysis catalyst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
TiO2 | SiO2 | S | |
Kat 1 | 94.4% | 5.3% | 0.3% |
Kat 2 | 84.7% | 15% | 0.3% |
Kat 3 | 98.2% | 1.5% | 0.3% |
Kat 4 | 99.7% | --- | 0.3% |
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008046994.7A DE102008046994B4 (de) | 2008-09-12 | 2008-09-12 | Harnstoff-Hydrolyse-Katalysator |
DE102008046994.7 | 2008-09-12 |
Publications (2)
Publication Number | Publication Date |
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CN101708473A true CN101708473A (zh) | 2010-05-19 |
CN101708473B CN101708473B (zh) | 2013-01-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009101699667A Expired - Fee Related CN101708473B (zh) | 2008-09-12 | 2009-09-11 | 尿素水解催化器 |
Country Status (3)
Country | Link |
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EP (1) | EP2172266B1 (zh) |
CN (1) | CN101708473B (zh) |
DE (1) | DE102008046994B4 (zh) |
Cited By (6)
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CN102019194A (zh) * | 2009-09-14 | 2011-04-20 | 福特全球技术公司 | 多功能催化剂块、排放控制系统和减少尾气中废物的方法 |
CN102658159A (zh) * | 2012-04-23 | 2012-09-12 | 吉林大学 | 一种用于固态尿素水解制氨的催化剂涂层及其制备方法 |
CN103588279A (zh) * | 2013-10-15 | 2014-02-19 | 常州思宇环保材料科技有限公司 | 一种高浓度氨氮废水的处理装置 |
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- 2008-09-12 DE DE102008046994.7A patent/DE102008046994B4/de not_active Expired - Fee Related
-
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- 2009-09-09 EP EP09011568.4A patent/EP2172266B1/de not_active Not-in-force
- 2009-09-11 CN CN2009101699667A patent/CN101708473B/zh not_active Expired - Fee Related
Cited By (9)
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CN102019194A (zh) * | 2009-09-14 | 2011-04-20 | 福特全球技术公司 | 多功能催化剂块、排放控制系统和减少尾气中废物的方法 |
CN102019194B (zh) * | 2009-09-14 | 2014-09-03 | 福特全球技术公司 | 多功能催化剂块、排放控制系统和减少尾气中废物的方法 |
CN102658159A (zh) * | 2012-04-23 | 2012-09-12 | 吉林大学 | 一种用于固态尿素水解制氨的催化剂涂层及其制备方法 |
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CN113070054A (zh) * | 2021-03-02 | 2021-07-06 | 中国华电科工集团有限公司 | 一种非负载型催化剂的制备方法及产品和应用 |
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CN114768886B (zh) * | 2022-03-17 | 2023-09-29 | 西安热工研究院有限公司 | 一种复合金属氧化物催化剂的涂覆方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102008046994B4 (de) | 2015-02-12 |
EP2172266B1 (de) | 2017-11-15 |
DE102008046994A1 (de) | 2010-06-02 |
EP2172266A1 (de) | 2010-04-07 |
CN101708473B (zh) | 2013-01-23 |
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