CN101811065B - 一种尾气催化还原剂的生产工艺 - Google Patents
一种尾气催化还原剂的生产工艺 Download PDFInfo
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- CN101811065B CN101811065B CN2010101520768A CN201010152076A CN101811065B CN 101811065 B CN101811065 B CN 101811065B CN 2010101520768 A CN2010101520768 A CN 2010101520768A CN 201010152076 A CN201010152076 A CN 201010152076A CN 101811065 B CN101811065 B CN 101811065B
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- Prior art keywords
- urea
- tail gas
- gas catalytic
- catalytic reducer
- exchange
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 23
- 239000004202 carbamide Substances 0.000 claims abstract description 90
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000005342 ion exchange Methods 0.000 claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000005516 engineering process Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 33
- 239000007864 aqueous solution Substances 0.000 claims description 20
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 14
- 239000012498 ultrapure water Substances 0.000 claims description 14
- 238000005352 clarification Methods 0.000 claims description 8
- 239000003729 cation exchange resin Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000003957 anion exchange resin Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 abstract description 5
- 230000008025 crystallization Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000013043 chemical agent Substances 0.000 abstract 1
- 238000003889 chemical engineering Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 9
- 239000000706 filtrate Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 239000006193 liquid solution Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
Description
项目 | ISO-22241-1 |
尿素含量,%(m/m) | 31.8~33.2 |
密度,20℃,kg/m3 | 1087.0~1093.0 |
折射率,20℃ | 1.3814~1.3843 |
碱度(以NH3计),%(m/m) | <0.2 |
缩二脲,%(m/m) | <0.3 |
醛,mg/kg | <5 |
不溶物,mg/kg | <20 |
磷酸盐(PO4),mg/kg | <0.5 |
Ca,mg/kg | <0.5 |
Fe,mg/kg | <0.5 |
Cu,mg/kg | <0.2 |
Zn,mg/kg | <0.2 |
Cr,mg/kg | <0.2 |
Ni,mg/kg | <0.2 |
Al,mg/kg | <0.5 |
Mg,mg/kg | <0.5 |
Na,mg/kg | <0.5 |
K,mg/kg | <0.5 |
特征吸收 | 一致 |
项目 | 农用尿素溶液 | 连续提纯后溶液 | ISO-22241-1 |
尿素含量,%(m/m) | 31.9% | 31.9% | 31.8~33.2 |
密度,20℃,kg/m3 | 1090.0 | 1090.0 | 1087.0~1093.0 |
折射率,20℃ | 1.3829 | 1.3829 | 1.3814~1.3843 |
碱度(以NH3计),%(m/m) | 0.4 | 0.1 | <0.2 |
缩二脲,%(m/m) | 0.4 | 0.25 | <0.3 |
醛,mg/kg | 3 | 3 | <5 |
不溶物,mg/kg | >20 | 1 | <20 |
磷酸盐(PO4),mg/kg | 0.7 | <0.5 | <0.5 |
Ca,mg/kg | 0.2 | <0.1 | <0.5 |
Fe,mg/kg | 0.1 | <0.1 | <0.5 |
Cu,mg/kg | 0.05 | <0.05 | <0.2 |
Zn,mg/kg | 0.05 | <0.05 | <0.2 |
Cr,mg/kg | 0.05 | <0.05 | <0.2 |
Ni,mg/kg | 0.05 | <0.05 | <0.2 |
Al,mg/kg | 0.1 | <0.1 | <0.5 |
Mg,mg/kg | 0.1 | 0.1 | <0.5 |
Na,mg/kg | 2 | 0.2 | <0.5 |
K,mg/kg | 0.5 | 0.2 | <0.5 |
特征吸收 | 一致 | 一致 | 一致 |
项目 | 工业尿素溶液 | 连续提纯后溶液 | ISO-22241-1 |
尿素含量,%(m/m) | 33.1% | 33.1% | 31.8~33.2 |
密度,20℃,kg/m3 | 1090.0 | 1090.0 | 1087.0~1093.0 |
折射率,20℃ | 1.3829 | 1.3829 | 1.3814~1.3843 |
碱度(以NH3计),%(m/m) | 0.4 | 0.1 | <0.2 |
缩二脲,%(m/m) | 0.9 | 0.25 | <0.3 |
醛,mg/kg | 3 | 3 | <5 |
不溶物,mg/kg | >20 | 0.8 | <20 |
磷酸盐(PO4),mg/kg | 5.8 | <0.5 | <0.5 |
Ca,mg/kg | 7 | <0.1 | <0.5 |
Fe,mg/kg | 0.4 | <0.05 | <0.5 |
Cu,mg/kg | 0.05 | <0.05 | <0.2 |
Zn,mg/kg | 0.05 | <0.05 | <0.2 |
Cr,mg/kg | 0.05 | <0.05 | <0.2 |
Ni,mg/kg | 0.05 | <0.05 | <0.2 |
Al,mg/kg | 0.1 | 0.06 | <0.5 |
Mg,mg/kg | 9 | 0.1 | <0.5 |
Na,mg/kg | 8 | 0.1 | <0.5 |
K,mg/kg | 4 | 0.1 | <0.5 |
特征吸收 | 一致 | 一致 | 一致 |
项目 | 农用尿素溶 液 | 连续提纯后溶 液 | ISO-22241-1 |
尿素含量,%(m/m) | 32.5% | 32.5% | 31.8~33.2 |
密度,20℃,kg/m3 | 1090.0 | 1090.0 | 1087.0~ 1093.0 |
折射率,20℃ | 1.3829 | 1.3829 | 1.3814~ 1.3843 |
碱度(以NH3计),%(m/m) | 0.4 | 0.1 | <0.2 |
缩二脲,%(m/m) | 0.4 | 0.1 | <0.3 |
醛,mg/kg | 3 | 3 | <5 |
不溶物,mg/kg | >20 | 1 | <20 |
磷酸盐(PO4),mg/kg | 0.7 | <0.5 | <0.5 |
Ca,mg/kg | 0.2 | 0.1 | <0.5 |
Fe,mg/kg | 0.1 | 0.1 | <0.5 |
Cu,mg/kg | 0.05 | <0.05 | <0.2 |
Zn,mg/kg | 0.05 | <0.05 | <0.2 |
Cr,mg/kg | 0.05 | <0.05 | <0.2 |
Ni,mg/kg | 0.05 | <0.05 | <0.2 |
Al,mg/kg | 0.1 | 0.1 | <0.5 |
Mg,mg/kg | 0.1 | 0.3 | <0.5 |
Na,mg/kg | 2 | 0.1 | <0.5 |
K,mg/kg | 0.5 | 0.2 | <0.5 |
特征吸收 | 一致 | 一致 | 一致 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010101520768A CN101811065B (zh) | 2010-04-20 | 2010-04-20 | 一种尾气催化还原剂的生产工艺 |
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CN2010101520768A CN101811065B (zh) | 2010-04-20 | 2010-04-20 | 一种尾气催化还原剂的生产工艺 |
Publications (2)
Publication Number | Publication Date |
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CN101811065A CN101811065A (zh) | 2010-08-25 |
CN101811065B true CN101811065B (zh) | 2012-12-19 |
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CN2010101520768A Active CN101811065B (zh) | 2010-04-20 | 2010-04-20 | 一种尾气催化还原剂的生产工艺 |
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Families Citing this family (20)
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 |
CN102814120B (zh) * | 2012-08-24 | 2013-08-21 | 四川美丰化工股份有限公司 | 一种氮氧化物还原剂的生产方法 |
AU2013213700B2 (en) * | 2012-08-31 | 2017-08-17 | China Petroleum & Chemical Corporation | Apparatus for producing aqueous urea solution used in vehicles and method of using the same |
CN102814111B (zh) * | 2012-08-31 | 2013-08-21 | 四川美丰化工股份有限公司 | 一种移动式柴油机排放处理液的生产装置 |
CN104341321B (zh) * | 2013-07-25 | 2016-04-13 | 新煤化工设计院(上海)有限公司 | 一种车用尿素的制备方法 |
CN104258730A (zh) * | 2014-08-15 | 2015-01-07 | 河南骏化发展股份有限公司 | 一种车用尿素溶液的制备方法 |
CN104624049A (zh) * | 2014-12-12 | 2015-05-20 | 李可文 | 具有润滑作用的柴油机尾气还原剂、其应用及制备方法 |
CN104500185A (zh) * | 2014-12-12 | 2015-04-08 | 李可文 | 一种柴油机尾气还原剂,该还原剂的应用及制备方法 |
CN104772040A (zh) * | 2015-03-19 | 2015-07-15 | 张山 | 一种车用尿素液配方 |
CN104910048B (zh) * | 2015-05-14 | 2017-03-15 | 湖南车瑞科技股份有限公司 | 车用尿素溶液制备系统及车用尿素溶液的制备方法 |
CN104815546A (zh) * | 2015-05-20 | 2015-08-05 | 抚顺美精石化添加剂有限公司 | 炼油厂燃油炉烟气脱硝还原剂生产方法及其应用 |
CN105921013A (zh) * | 2016-05-10 | 2016-09-07 | 南宁市夏阳化工科技有限责任公司 | 一种具有润滑和抗冻功能的车用尿素溶液 |
CN105921014A (zh) * | 2016-05-10 | 2016-09-07 | 南宁市夏阳化工科技有限责任公司 | 一种车用尿素溶液的制备方法 |
CN107382787B (zh) * | 2016-05-17 | 2019-11-26 | 山东新蓝环保科技有限公司 | 一种车用尿素制备装置及其工作方法 |
CN107387212B (zh) * | 2016-05-17 | 2019-04-23 | 山东新蓝环保科技有限公司 | 车载式车用尿素制备装置及其工作方法 |
CN107417576A (zh) * | 2017-06-19 | 2017-12-01 | 四川金素环保科技有限公司 | 一种车用尿素制备方法 |
CN107674002B (zh) * | 2017-09-22 | 2023-10-27 | 河南心连心蓝色环保科技有限公司 | 一种低缩二脲含量车用尿素粉末的生产装置及其生产方法 |
CN112844084A (zh) * | 2021-01-08 | 2021-05-28 | 江苏艾德露环保科技有限公司 | 一种车用尿素制备方法及制备系统 |
CN113117411B (zh) * | 2021-04-02 | 2022-06-17 | 溢通环保科技(莆田)有限公司 | 一种柴油尾气处理液悬浮物抑制工艺 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6706246B2 (en) * | 2001-02-26 | 2004-03-16 | Abb Lummus Global Inc. | System and method for the selective catalytic reduction of nitrogen oxide in a gas stream |
JP2009035644A (ja) * | 2007-08-02 | 2009-02-19 | Denso Corp | 尿素scrシステム用不凍尿素溶液および尿素scrシステム |
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- 2010-04-20 CN CN2010101520768A patent/CN101811065B/zh active Active
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Application publication date: 20100825 Assignee: JIANGSU LOPAL TECH. CO., LTD. Assignor: KLS Auto Environmental Protection Technology Co., Ltd. Contract record no.: 2014320000039 Denomination of invention: Production process for tail gas catalytic reducer Granted publication date: 20121219 License type: Exclusive License Record date: 20140217 |
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Application publication date: 20100825 Assignee: JIANGSU LOPAL TECH. CO., LTD. Assignor: KLS Auto Environmental Protection Technology Co., Ltd. Contract record no.: 2018320000050 Denomination of invention: Production process for tail gas catalytic reducer Granted publication date: 20121219 License type: Exclusive License Record date: 20180309 |
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Inventor after: Yan Junbiao Inventor after: Shi Junfeng Inventor after: Qin Jian Inventor before: Shi Junfeng Inventor before: Qin Jian Inventor before: Yan Junbiao |
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Address after: Yi lake road Nanjing city Jiangsu province 211200 Lishui Economic Development Zone No. 8 Patentee after: Jiangsu kelansu Environmental Protection Technology Co., Ltd Address before: 210034, 9 Nanjing Road, economic and Technological Development Zone, Jiangsu, China Patentee before: KLS ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |