CN1246069C - Method for preparing selective catalytic reduction and denitration catalyst by boiler coal ash - Google Patents
Method for preparing selective catalytic reduction and denitration catalyst by boiler coal ash Download PDFInfo
- Publication number
- CN1246069C CN1246069C CN 200310100420 CN200310100420A CN1246069C CN 1246069 C CN1246069 C CN 1246069C CN 200310100420 CN200310100420 CN 200310100420 CN 200310100420 A CN200310100420 A CN 200310100420A CN 1246069 C CN1246069 C CN 1246069C
- Authority
- CN
- China
- Prior art keywords
- fly ash
- denitration catalyst
- catalytic reduction
- selective catalytic
- preparing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000003054 catalyst Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010531 catalytic reduction reaction Methods 0.000 title claims abstract description 23
- 239000010883 coal ash Substances 0.000 title abstract 4
- 239000010881 fly ash Substances 0.000 claims abstract description 76
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000001354 calcination Methods 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 9
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000011068 loading method Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000012153 distilled water Substances 0.000 claims abstract description 4
- 230000007935 neutral effect Effects 0.000 claims abstract description 4
- 230000004913 activation Effects 0.000 claims abstract description 3
- 239000012266 salt solution Substances 0.000 claims abstract description 3
- 239000004480 active ingredient Substances 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims description 39
- 239000000243 solution Substances 0.000 claims description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 8
- 239000011398 Portland cement Substances 0.000 claims description 5
- 238000010306 acid treatment Methods 0.000 claims description 5
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical class [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 6
- 239000002253 acid Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000003517 fume Substances 0.000 abstract 1
- 238000002203 pretreatment Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 4
- 239000005751 Copper oxide Substances 0.000 description 4
- 229910000431 copper oxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
Images
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200310100420 CN1246069C (en) | 2003-10-16 | 2003-10-16 | Method for preparing selective catalytic reduction and denitration catalyst by boiler coal ash |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200310100420 CN1246069C (en) | 2003-10-16 | 2003-10-16 | Method for preparing selective catalytic reduction and denitration catalyst by boiler coal ash |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1607027A CN1607027A (en) | 2005-04-20 |
CN1246069C true CN1246069C (en) | 2006-03-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200310100420 Expired - Lifetime CN1246069C (en) | 2003-10-16 | 2003-10-16 | Method for preparing selective catalytic reduction and denitration catalyst by boiler coal ash |
Country Status (1)
Country | Link |
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CN (1) | CN1246069C (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7824574B2 (en) * | 2006-09-21 | 2010-11-02 | Eltron Research & Development | Cyclic catalytic upgrading of chemical species using metal oxide materials |
CN101940878B (en) * | 2010-05-21 | 2012-12-05 | 中国神华能源股份有限公司 | Method for denitrating gas fume |
CN101940879A (en) * | 2010-05-21 | 2011-01-12 | 中国神华能源股份有限公司 | Selective catalytic reduction denitration method of flue gas |
CN102000564B (en) * | 2010-10-27 | 2012-11-07 | 合肥工业大学 | Coal ash and attapulgite compound SCR denitration catalyst and preparation method thereof |
CN102764671B (en) * | 2012-08-03 | 2014-04-09 | 东北石油大学 | Method for preparing denitration catalyst by coal ash |
CN102861566B (en) * | 2012-10-20 | 2014-06-11 | 东北石油大学 | Method for preparing bimetallic denitration catalyst by using coal ash |
CN106423146A (en) * | 2016-09-14 | 2017-02-22 | 北京化工大学 | SCR (selective catalytic reduction) catalyst prepared from red mud taken as carrier and loaded with Mn and Ce and preparation method of SCR catalyst |
CN106492790A (en) * | 2016-09-23 | 2017-03-15 | 河北工业大学 | A kind of low temperature SCR denitration catalyst and preparation method thereof |
CN108295856B (en) * | 2018-03-15 | 2020-06-02 | 清华大学 | Method for preparing methane dry reforming bimetallic catalyst from fly ash silicon extraction residues |
CN111701622A (en) * | 2020-06-29 | 2020-09-25 | 西安科技大学 | Preparation method of Cu-MOF-Fe fly ash catalyst for denitration and demercuration |
CN114602471A (en) * | 2022-03-23 | 2022-06-10 | 华北电力大学 | High-temperature flue gas denitration catalyst and preparation method thereof |
-
2003
- 2003-10-16 CN CN 200310100420 patent/CN1246069C/en not_active Expired - Lifetime
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Publication number | Publication date |
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CN1607027A (en) | 2005-04-20 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: QINGHUA UNIVERSITY; TONGFANG CO., LTD. Free format text: FORMER NAME OR ADDRESS: QINGHUA UNIVERSITY; TSINGHUA TONGFANG CO., LTD. |
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CP03 | Change of name, title or address |
Address after: 100083 A, block 2907, Tongfang science and Technology Plaza, Beijing Co-patentee after: Tongfang Co.,Ltd. Patentee after: TSINGHUA University Address before: 100083 A, block 2907, Tongfang science and Technology Plaza, Beijing Co-patentee before: Tsinghua Tongfang Co.,Ltd. Patentee before: Tsinghua University |
|
ASS | Succession or assignment of patent right |
Owner name: QINGHUA UNIVERSITY; TONGFANG ENVIRONMENT CO. Free format text: FORMER OWNER: QINGHUA UNIVERSITY; TONGFANG CO., LTD. Effective date: 20080516 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080516 Address after: A, Tsinghua Tongfang science and Technology Square, Beijing 2907, postcode: 100083 Co-patentee after: TONGFANG ENVIRONMENT Co.,Ltd. Patentee after: TSINGHUA University Address before: A, Tsinghua Tongfang science and Technology Square, Beijing 2907, postcode: 100083 Co-patentee before: Tongfang Co.,Ltd. Patentee before: Tsinghua University |
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CX01 | Expiry of patent term |
Granted publication date: 20060322 |
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CX01 | Expiry of patent term |