CN102213126B - 一种低温尿素还原剂组合物 - Google Patents
一种低温尿素还原剂组合物 Download PDFInfo
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- CN102213126B CN102213126B CN 201110134706 CN201110134706A CN102213126B CN 102213126 B CN102213126 B CN 102213126B CN 201110134706 CN201110134706 CN 201110134706 CN 201110134706 A CN201110134706 A CN 201110134706A CN 102213126 B CN102213126 B CN 102213126B
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- reducing agent
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- urea
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000004202 carbamide Substances 0.000 title claims abstract description 38
- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 29
- 239000012498 ultrapure water Substances 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 7
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical group [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000000306 component Substances 0.000 claims 1
- 238000007710 freezing Methods 0.000 abstract description 13
- 230000008014 freezing Effects 0.000 abstract description 13
- 150000001298 alcohols Chemical class 0.000 abstract description 8
- 150000001408 amides Chemical class 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 description 27
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 5
- 238000012805 post-processing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000011085 pressure filtration Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 210000000697 sensory organ Anatomy 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009967 tasteless effect Effects 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- -1 and therefore Substances 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- IMHRONYAKYWGCC-UHFFFAOYSA-N nitrosomethane Chemical compound CN=O IMHRONYAKYWGCC-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110134706 CN102213126B (zh) | 2011-05-24 | 2011-05-24 | 一种低温尿素还原剂组合物 |
Applications Claiming Priority (1)
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CN 201110134706 CN102213126B (zh) | 2011-05-24 | 2011-05-24 | 一种低温尿素还原剂组合物 |
Publications (2)
Publication Number | Publication Date |
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CN102213126A CN102213126A (zh) | 2011-10-12 |
CN102213126B true CN102213126B (zh) | 2013-02-06 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CN 201110134706 Expired - Fee Related CN102213126B (zh) | 2011-05-24 | 2011-05-24 | 一种低温尿素还原剂组合物 |
Country Status (1)
Country | Link |
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CN (1) | CN102213126B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104607041B (zh) * | 2014-11-28 | 2018-02-09 | 河南弘康环保科技有限公司 | 一种超低温车用尿素溶液 |
CN105498537A (zh) * | 2015-11-30 | 2016-04-20 | 许昌学院 | 一种低温型柴油尾气还原剂及其制备方法 |
CN107178408A (zh) * | 2017-06-02 | 2017-09-19 | 许昌学院 | 一种超低温型柴油车用尿素溶液及其制备方法 |
CN107138044B (zh) * | 2017-06-02 | 2020-06-23 | 许昌学院 | 一种具有低温性能的柴油车用尿素溶液及其制备方法 |
CN108619907A (zh) * | 2018-04-28 | 2018-10-09 | 南京工业大学 | 一种车用尿素还原剂溶液 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254166A (en) * | 1979-12-13 | 1981-03-03 | Wen-Don Corporation | Composition for reducing the strength of ice |
CN1118712A (zh) * | 1994-06-30 | 1996-03-20 | 纳可环技公司 | 还原nox和sox的多步方法 |
CN101849087A (zh) * | 2008-09-09 | 2010-09-29 | 曼恩载重汽车股份公司 | 减少内燃机废气流中的氮氧化物的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5057293A (en) * | 1987-02-13 | 1991-10-15 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
JPH08323151A (ja) * | 1995-06-05 | 1996-12-10 | Tokyo Gas Co Ltd | NOx含有排ガスの浄化方法 |
FI116897B (fi) * | 2003-02-04 | 2006-03-31 | Kemira Oyj | Ammoniumformiaatin käyttö pelkistysprosessissa |
FI117891B (fi) * | 2004-08-04 | 2007-04-13 | Kemira Oyj | Pelkistysainekoostumus |
DE102007062594B4 (de) * | 2007-12-22 | 2021-08-05 | Volkswagen Ag | Verfahren zum Herabsenken eines Gefrierpunkts einer harnstoffhaltigen Reduktionsmittellösung und Abgasnachbehandlungsanlage |
-
2011
- 2011-05-24 CN CN 201110134706 patent/CN102213126B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254166A (en) * | 1979-12-13 | 1981-03-03 | Wen-Don Corporation | Composition for reducing the strength of ice |
CN1118712A (zh) * | 1994-06-30 | 1996-03-20 | 纳可环技公司 | 还原nox和sox的多步方法 |
CN101849087A (zh) * | 2008-09-09 | 2010-09-29 | 曼恩载重汽车股份公司 | 减少内燃机废气流中的氮氧化物的方法 |
Also Published As
Publication number | Publication date |
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CN102213126A (zh) | 2011-10-12 |
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Inventor after: Zou Jianbo Inventor after: Zhang Kejin Inventor before: Zou Jianbo Inventor after: Zou Jianbo Inventor after: Zhang Kejin Inventor before: Zou Jianbo |
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Free format text: CORRECT: INVENTOR; FROM: ZOU JIANBO TO: ZOU JIANBO ZHANG KEJIN |
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Owner name: LIAONING RUNDI AUTOMATIVE ENVIRONMENTAL PROTECTION Free format text: FORMER NAME: LIAONING RUNDI FINE CHEMICALS CO.,LTD. |
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Address after: 111000 Liaoyang City, Liaoning province Taizihe District Canal Road No. 86 Patentee after: LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 111000 Tiexi Industrial Park, Baita District, Liaoning, Liaoyang Patentee before: Liaoning Rundi Fine Chemicals Co.,Ltd. Address after: 111000 Liaoyang City, Liaoning province Taizihe District Canal Road No. 86 Patentee after: LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 111000 Tiexi Industrial Park, Baita District, Liaoning, Liaoyang Patentee before: Liaoning Rundi Fine Chemicals Co.,Ltd. |
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Inventor after: Zou Jianbo Inventor after: Zhang Kejin Inventor after: Mi Xinyan Inventor before: Zou Jianbo Inventor before: Zhang Kejin Inventor after: Zou Jianbo Inventor after: Zhang Kejin Inventor after: Mi Xinyan Inventor before: Zou Jianbo Inventor before: Zhang Kejin |
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Effective date of registration: 20151127 Address after: 111000 Liaoyang City, Liaoning province Taizihe District Canal Road No. 86 Patentee after: LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Patentee after: China first automobile Limited by Share Ltd Technology Center Address before: 111000 Liaoyang City, Liaoning province Taizihe District Canal Road No. 86 Patentee before: LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date of registration: 20151127 Address after: 111000 Liaoyang City, Liaoning province Taizihe District Canal Road No. 86 Patentee after: LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Patentee after: China first automobile Limited by Share Ltd Technology Center Address before: 111000 Liaoyang City, Liaoning province Taizihe District Canal Road No. 86 Patentee before: LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20190524 |
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CF01 | Termination of patent right due to non-payment of annual fee |