CN101560422B - 用于scr技术的柴油发动机还原剂添蓝组合物 - Google Patents
用于scr技术的柴油发动机还原剂添蓝组合物 Download PDFInfo
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- CN101560422B CN101560422B CN2008101758088A CN200810175808A CN101560422B CN 101560422 B CN101560422 B CN 101560422B CN 2008101758088 A CN2008101758088 A CN 2008101758088A CN 200810175808 A CN200810175808 A CN 200810175808A CN 101560422 B CN101560422 B CN 101560422B
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- 239000000203 mixture Substances 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 title abstract description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000004202 carbamide Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000002425 crystallisation Methods 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 230000008025 crystallization Effects 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000003463 adsorbent Substances 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 230000002829 reductive effect Effects 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 17
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 15
- 238000004090 dissolution Methods 0.000 claims description 15
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 10
- 238000001291 vacuum drying Methods 0.000 claims description 10
- 238000001953 recrystallisation Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 238000007601 warm air drying Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- -1 starts stirring Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 8
- 231100000572 poisoning Toxicity 0.000 abstract description 4
- 230000000607 poisoning effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000033116 oxidation-reduction process Effects 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 2
- 230000003197 catalytic effect Effects 0.000 abstract 1
- VWCFCFOIUSKKSC-UHFFFAOYSA-N ethane-1,2-diamine;2-hydroxy-1,3,2$l^{5}-dioxaphosphepane 2-oxide Chemical compound NCCN.OP1(=O)OCCCCO1 VWCFCFOIUSKKSC-UHFFFAOYSA-N 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000009472 formulation Methods 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 230000000536 complexating effect Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008101758088A CN101560422B (zh) | 2008-11-05 | 2008-11-05 | 用于scr技术的柴油发动机还原剂添蓝组合物 |
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CN2008101758088A CN101560422B (zh) | 2008-11-05 | 2008-11-05 | 用于scr技术的柴油发动机还原剂添蓝组合物 |
Publications (2)
Publication Number | Publication Date |
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CN101560422A CN101560422A (zh) | 2009-10-21 |
CN101560422B true CN101560422B (zh) | 2013-12-11 |
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CN2008101758088A Active CN101560422B (zh) | 2008-11-05 | 2008-11-05 | 用于scr技术的柴油发动机还原剂添蓝组合物 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102806011A (zh) * | 2011-06-03 | 2012-12-05 | 中国石油化工股份有限公司 | 一种车用尿素液还原剂的制备方法 |
CN102580531B (zh) * | 2012-01-12 | 2014-01-08 | 江苏可兰素汽车环保科技有限公司 | 一种抗低温尾气催化还原剂及其制备方法 |
CN105032172A (zh) * | 2014-11-17 | 2015-11-11 | 刘德龙 | 一种柴油机scr系统高效清洗护理液 |
CN113578050A (zh) * | 2021-08-10 | 2021-11-02 | 山东永豪发展集团有限公司 | 一种柴油车用尾气处理液及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006059760A1 (de) * | 2006-12-18 | 2008-06-19 | Skw Stickstoffwerke Piesteritz Gmbh | Verfahren zur kontinuierlichen Herstellung von hochreiner Harnstofflösung |
CN101263282A (zh) * | 2005-08-24 | 2008-09-10 | 约翰森·马瑟公开有限公司 | 标记系统 |
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2008
- 2008-11-05 CN CN2008101758088A patent/CN101560422B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101263282A (zh) * | 2005-08-24 | 2008-09-10 | 约翰森·马瑟公开有限公司 | 标记系统 |
DE102006059760A1 (de) * | 2006-12-18 | 2008-06-19 | Skw Stickstoffwerke Piesteritz Gmbh | Verfahren zur kontinuierlichen Herstellung von hochreiner Harnstofflösung |
Non-Patent Citations (2)
Title |
---|
冯长根等.贫燃条件下汽车尾气中氮氧化物的催化净化.《现代化工》.2004,第24卷(第3期),第57-59页. * |
黄鹏.采用SCR技术降低车用柴油机的NOx排放.《交通环保》.2004,第25卷(第6期),第40-42页. * |
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CN101560422A (zh) | 2009-10-21 |
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