CN114042452B - 一种用于柴油车尾气的氨氧化催化剂、制备方法及其应用 - Google Patents
一种用于柴油车尾气的氨氧化催化剂、制备方法及其应用 Download PDFInfo
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- CN114042452B CN114042452B CN202111469496.3A CN202111469496A CN114042452B CN 114042452 B CN114042452 B CN 114042452B CN 202111469496 A CN202111469496 A CN 202111469496A CN 114042452 B CN114042452 B CN 114042452B
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- 239000003054 catalyst Substances 0.000 title claims abstract description 91
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 42
- 230000003647 oxidation Effects 0.000 title claims abstract description 30
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052709 silver Inorganic materials 0.000 claims abstract description 35
- 239000004332 silver Substances 0.000 claims abstract description 35
- 239000001257 hydrogen Substances 0.000 claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000231 atomic layer deposition Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 35
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 34
- 239000002243 precursor Substances 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims description 11
- 150000004706 metal oxides Chemical class 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002390 rotary evaporation Methods 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052717 sulfur Inorganic materials 0.000 abstract description 9
- 239000011593 sulfur Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 229910001961 silver nitrate Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 235000010269 sulphur dioxide Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
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CN202111469496.3A CN114042452B (zh) | 2021-12-03 | 2021-12-03 | 一种用于柴油车尾气的氨氧化催化剂、制备方法及其应用 |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150139040A (ko) * | 2014-05-30 | 2015-12-11 | 한국화학연구원 | 원자층 증착법에 의해 금속산화물이 다공성 지지체 표면에 증착된, 플라즈마에 의한 c―h 결합 활성화 촉매 및 이의 용도 |
CN105170147A (zh) * | 2015-06-17 | 2015-12-23 | 中国科学技术大学 | 一种加氢催化剂及其制备方法 |
CN105195238A (zh) * | 2015-10-10 | 2015-12-30 | 中国科学院山西煤炭化学研究所 | 一种分子层沉积制备金属-氧化物复合纳米催化剂的方法 |
CN105536851A (zh) * | 2016-02-22 | 2016-05-04 | 西安近代化学研究所 | 一种乙炔选择性加氢催化剂的制备方法 |
CN107249739A (zh) * | 2014-12-31 | 2017-10-13 | 芬兰国家技术研究中心股份公司 | 用于形成催化纳米涂层的方法 |
CN108435181A (zh) * | 2018-04-12 | 2018-08-24 | 华中科技大学 | 一种基于原子层沉积制备包裹型抗积碳催化剂的方法 |
CN108671918A (zh) * | 2018-04-12 | 2018-10-19 | 华中科技大学 | 基于原子层沉积定向调控提高催化剂活性及选择性的方法 |
CN109261150A (zh) * | 2018-09-26 | 2019-01-25 | 中国科学院生态环境研究中心 | 一种低温氨选择性氧化催化剂及其制备方法、用途和使用方法 |
CN109675609A (zh) * | 2019-01-18 | 2019-04-26 | 太原科技大学 | 一种原子层沉积超薄氧化钛修饰的纳米孔金基催化剂的制备方法及其应用 |
CN111036237A (zh) * | 2019-12-26 | 2020-04-21 | 中国科学院山西煤炭化学研究所 | 一种加氢催化剂及其制备方法和应用 |
CN111468113A (zh) * | 2020-04-08 | 2020-07-31 | 北京工业大学 | 热稳定ALD改性特定晶面CeO2载体负载Pd三效催化剂的制备 |
WO2021206357A1 (ko) * | 2020-04-08 | 2021-10-14 | 한화솔루션 주식회사 | Ald 공정에 의한 무기막이 증착된 금속 촉매의 제조방법 및 그에 따른 활성이 향상된 금속 촉매 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9522387B2 (en) * | 2012-06-15 | 2016-12-20 | Lawrence Livermore National Security, Llc | Highly active thermally stable nanoporous gold catalyst |
-
2021
- 2021-12-03 CN CN202111469496.3A patent/CN114042452B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150139040A (ko) * | 2014-05-30 | 2015-12-11 | 한국화학연구원 | 원자층 증착법에 의해 금속산화물이 다공성 지지체 표면에 증착된, 플라즈마에 의한 c―h 결합 활성화 촉매 및 이의 용도 |
CN107249739A (zh) * | 2014-12-31 | 2017-10-13 | 芬兰国家技术研究中心股份公司 | 用于形成催化纳米涂层的方法 |
CN105170147A (zh) * | 2015-06-17 | 2015-12-23 | 中国科学技术大学 | 一种加氢催化剂及其制备方法 |
CN105195238A (zh) * | 2015-10-10 | 2015-12-30 | 中国科学院山西煤炭化学研究所 | 一种分子层沉积制备金属-氧化物复合纳米催化剂的方法 |
CN105536851A (zh) * | 2016-02-22 | 2016-05-04 | 西安近代化学研究所 | 一种乙炔选择性加氢催化剂的制备方法 |
CN108435181A (zh) * | 2018-04-12 | 2018-08-24 | 华中科技大学 | 一种基于原子层沉积制备包裹型抗积碳催化剂的方法 |
CN108671918A (zh) * | 2018-04-12 | 2018-10-19 | 华中科技大学 | 基于原子层沉积定向调控提高催化剂活性及选择性的方法 |
CN109261150A (zh) * | 2018-09-26 | 2019-01-25 | 中国科学院生态环境研究中心 | 一种低温氨选择性氧化催化剂及其制备方法、用途和使用方法 |
CN109675609A (zh) * | 2019-01-18 | 2019-04-26 | 太原科技大学 | 一种原子层沉积超薄氧化钛修饰的纳米孔金基催化剂的制备方法及其应用 |
CN111036237A (zh) * | 2019-12-26 | 2020-04-21 | 中国科学院山西煤炭化学研究所 | 一种加氢催化剂及其制备方法和应用 |
CN111468113A (zh) * | 2020-04-08 | 2020-07-31 | 北京工业大学 | 热稳定ALD改性特定晶面CeO2载体负载Pd三效催化剂的制备 |
WO2021206357A1 (ko) * | 2020-04-08 | 2021-10-14 | 한화솔루션 주식회사 | Ald 공정에 의한 무기막이 증착된 금속 촉매의 제조방법 및 그에 따른 활성이 향상된 금속 촉매 |
Non-Patent Citations (1)
Title |
---|
原子层沉积法制备TiO_2/碳复合纳米管负载的Pt基催化剂;王眉花;李岩;高新丽;刘翠荣;刘夏瑜;;石油化工(第09期);全文 * |
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