CN109507365B - 一种测定scr催化剂再生用负载液中钒含量的方法 - Google Patents
一种测定scr催化剂再生用负载液中钒含量的方法 Download PDFInfo
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- CN109507365B CN109507365B CN201910014654.2A CN201910014654A CN109507365B CN 109507365 B CN109507365 B CN 109507365B CN 201910014654 A CN201910014654 A CN 201910014654A CN 109507365 B CN109507365 B CN 109507365B
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- 239000007788 liquid Substances 0.000 title claims abstract description 82
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 63
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000003054 catalyst Substances 0.000 title claims abstract description 52
- 230000008929 regeneration Effects 0.000 title claims abstract description 49
- 238000011069 regeneration method Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000000243 solution Substances 0.000 claims abstract description 112
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000004448 titration Methods 0.000 claims abstract description 55
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 42
- 239000012086 standard solution Substances 0.000 claims abstract description 37
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 35
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract description 21
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004202 carbamide Substances 0.000 claims abstract description 13
- 239000012286 potassium permanganate Substances 0.000 claims abstract description 13
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- 239000007864 aqueous solution Substances 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- ZWJINEZUASEZBH-UHFFFAOYSA-N fenamic acid Chemical compound OC(=O)C1=CC=CC=C1NC1=CC=CC=C1 ZWJINEZUASEZBH-UHFFFAOYSA-N 0.000 claims description 16
- MQLVWQSVRZVNIP-UHFFFAOYSA-L ferrous ammonium sulfate hexahydrate Chemical compound [NH4+].[NH4+].O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O MQLVWQSVRZVNIP-UHFFFAOYSA-L 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 8
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 claims description 7
- 239000006228 supernatant Substances 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 150000003682 vanadium compounds Chemical class 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 24
- IMBKASBLAKCLEM-UHFFFAOYSA-L ferrous ammonium sulfate (anhydrous) Chemical compound [NH4+].[NH4+].[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IMBKASBLAKCLEM-UHFFFAOYSA-L 0.000 abstract description 22
- 229940010514 ammonium ferrous sulfate Drugs 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- 229940079593 drug Drugs 0.000 abstract description 4
- 239000000523 sample Substances 0.000 abstract 3
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000012488 sample solution Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 17
- 239000000203 mixture Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- OGUCKKLSDGRKSH-UHFFFAOYSA-N oxalic acid oxovanadium Chemical group [V].[O].C(C(=O)O)(=O)O OGUCKKLSDGRKSH-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 vanadyl oxalate Chemical class 0.000 description 2
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 description 2
- 229940041260 vanadyl sulfate Drugs 0.000 description 2
- 229910000352 vanadyl sulfate Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000003321 atomic absorption spectrophotometry Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011005 laboratory method Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- DGXTZMPQSMIFEC-UHFFFAOYSA-M sodium;4-anilinobenzenesulfonate Chemical compound [Na+].C1=CC(S(=O)(=O)[O-])=CC=C1NC1=CC=CC=C1 DGXTZMPQSMIFEC-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Catalysts (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
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Citations (10)
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CN103920503A (zh) * | 2013-12-03 | 2014-07-16 | 华南理工大学 | 一种改性再生scr脱硝催化剂及其制备方法 |
CN104190477A (zh) * | 2014-09-09 | 2014-12-10 | 华电高科(高碑店)环保技术有限公司 | 一种钛基钒系scr脱硝催化剂再生的方法 |
CN104209115A (zh) * | 2014-09-01 | 2014-12-17 | 东南大学 | 一种钒系负载型高温scr催化剂及其制备方法 |
CN104307507A (zh) * | 2014-11-10 | 2015-01-28 | 成都东方凯特瑞环保催化剂有限责任公司 | 一种高钒含量蜂窝式scr 脱硝催化剂的制备方法 |
CN105797789A (zh) * | 2016-03-22 | 2016-07-27 | 浙江海亮环境材料有限公司 | 一种脱硝催化剂的再生方法 |
CN105921182A (zh) * | 2016-05-09 | 2016-09-07 | 成都万里蓝环保科技有限公司 | 一种能有效恢复烧结钒基scr催化剂活性的再生液 |
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CN107860817A (zh) * | 2017-11-23 | 2018-03-30 | 中国汽车技术研究中心 | 一种scr催化器中钒钨钛元素含量的检测方法 |
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US9051862B2 (en) * | 2013-09-06 | 2015-06-09 | Cummins Ip, Inc. | Diagnosis and treatment of selective catalytic reduction catalyst |
CN105413461A (zh) * | 2015-11-18 | 2016-03-23 | 国网吉林省电力有限公司电力科学研究院 | 针对火电厂烟气脱硝钒钛基催化剂的特效再生方法 |
CN107860642A (zh) * | 2017-11-23 | 2018-03-30 | 中国汽车技术研究中心 | 一种scr催化器中钒元素含量的检测方法 |
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2019
- 2019-01-08 CN CN201910014654.2A patent/CN109507365B/zh active Active
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CN103920503A (zh) * | 2013-12-03 | 2014-07-16 | 华南理工大学 | 一种改性再生scr脱硝催化剂及其制备方法 |
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