CN106238064A - A kind of ferrum cerium red mud composite oxides denitration catalyst agent material and preparation method thereof - Google Patents
A kind of ferrum cerium red mud composite oxides denitration catalyst agent material and preparation method thereof Download PDFInfo
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- CN106238064A CN106238064A CN201610703344.8A CN201610703344A CN106238064A CN 106238064 A CN106238064 A CN 106238064A CN 201610703344 A CN201610703344 A CN 201610703344A CN 106238064 A CN106238064 A CN 106238064A
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- catalyst
- red mud
- cerium
- ferrum
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- 239000003054 catalyst Substances 0.000 title claims abstract description 118
- 239000000463 material Substances 0.000 title claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 29
- 229910052684 Cerium Inorganic materials 0.000 title claims abstract description 21
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title claims abstract description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003546 flue gas Substances 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 11
- 239000003979 granulating agent Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002243 precursor Substances 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 claims description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 5
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 2
- 239000001099 ammonium carbonate Substances 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 150000003681 vanadium Chemical class 0.000 abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 abstract description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000012752 auxiliary agent Substances 0.000 abstract description 3
- 239000002440 industrial waste Substances 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 229910052723 transition metal Inorganic materials 0.000 abstract description 2
- 150000003624 transition metals Chemical class 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 10
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 9
- 229910001868 water Inorganic materials 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 238000001354 calcination Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000005995 Aluminium silicate Substances 0.000 description 7
- 229920002472 Starch Polymers 0.000 description 7
- 235000012211 aluminium silicate Nutrition 0.000 description 7
- 229960002089 ferrous chloride Drugs 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 239000008107 starch Substances 0.000 description 7
- 235000019698 starch Nutrition 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 6
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- MPDGHEJMBKOTSU-YKLVYJNSSA-N 18beta-glycyrrhetic acid Chemical compound C([C@H]1C2=CC(=O)[C@H]34)[C@@](C)(C(O)=O)CC[C@]1(C)CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@H](O)C1(C)C MPDGHEJMBKOTSU-YKLVYJNSSA-N 0.000 description 2
- 238000004131 Bayer process Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 208000018299 prostration Diseases 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 239000012695 Ce precursor Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical compound [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 description 1
- 229910000333 cerium(III) sulfate Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229960002413 ferric citrate Drugs 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- NPFOYSMITVOQOS-UHFFFAOYSA-K iron(III) citrate Chemical compound [Fe+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NPFOYSMITVOQOS-UHFFFAOYSA-K 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- RJIWZDNTCBHXAL-UHFFFAOYSA-N nitroxoline Chemical compound C1=CN=C2C(O)=CC=C([N+]([O-])=O)C2=C1 RJIWZDNTCBHXAL-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- -1 salt anions Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of ferrum cerium red mud composite oxides denitration catalyst agent material and preparation method thereof, use metallic iron cheap and easy to get and transition metal cerium, as auxiliary agent, the catalyst with red mud as main active component is doped modification, greatly improve the denitration activity of such catalyst and widened its active temperature windows.Using industrial waste red mud is main active component so that it is cost of material is greatly reduced, and uses Simple process means, it is achieved that the preparation of such denitrating catalyst simultaneously, has saved catalyst manufacturing cost.To introduce in denitrating catalyst preparation with the theory of dirty pollution treatment, it is to avoid the serious environmental problems such as the secondary pollution caused due to the loss of heavy metal vanadium in the application of traditional vanadium series catalyst.
Description
Technical field
The invention belongs to environmental conservation and catalysis technical field, being specifically related to one with ferrum, cerium and industrial waste red mud is
Active component, is applied to the composite oxide catalysts of the stationary source nitrous oxides selectivity catalysis reduction removings such as coal fired thermal power plant
And preparation method and application.
Background technology
Nitrogen oxides (the NO of coal fired power plant dischargex) cause many environmental problems such as haze, acid rain, photochemical fog
Principal element, causes worldwide extensive concern, is also the emphasis of current China environmental protection work.2015 is " 12
Five " one's last year, China is to NOxTotal emission volumn (compared with 2014 the whole nation NOxTotal emission volumn reduces 5%) and concentration of emission
(" fossil-fuel power plant atmospheric pollutant emission standard " requires coal unit NOxDischarge limit 100mg/Nm3Within, minimum discharge is then
50mg/Nm3) constraint examination the most harsh.At numerous NOxIn control technology, NH3SCR technology
(selective catalytic reduction with NH3, NH3-SCR) denitration efficiency is the highest, and large-scale application is in me
State coal steam-electric plant smoke NOxRemoving, and the catalyst possessing higher denitration activity and stability is the core of this technology.At present,
V2O5/TiO2Class catalyst is the most extensive in current business application, but such catalyst to there is manufacturing cost higher, with much money
Genus vanadium is easy to run off, V2O5Under high temperature volatile and there is biological hypertoxicity, cause secondary pollution problems.Chinese Ministry of Environmental Protection was in 2014 8
" notice about strengthening waste flue gas denitration catalyst supervision " issued by the moon is distinctly claimed waste flue gas denitration catalyst
(vanadium titanium system) is included hazardous waste in and is managed；In JIUYUE, 2014 subsequently, it is first about urging that Department of Qulity Supervision of Shandong Province has issued China
The provincial standard " requirement of Shandong Province's SCR (SCR) denitrating catalyst technology " of agent, new standard clear stipulaties V2O5
Must not detect, make every effort on source, control denitration industry and produce hazardous waste.From this, actively research environment friendly without vanadium
Denitrating catalyst is extremely urgent.
Summary of the invention
In order to solve above technical problem, it is an object of the present invention to provide a kind of ferrum cerium-red mud composite oxides and take off
Denox catalyst material, is improved by doped ferric oxide and cerium oxide in activation red mud and is catalyzed for main active component with red mud
The catalysis activity of agent, solves the problem that its temperature window is narrower, denitration efficiency is relatively low, and this catalyst can be used as the fire coals such as thermal power plant
The catalytic eliminating of stationary source nitrogen oxides, is expected to replace existing vanadium series catalyst, thus solve that vanadium series catalyst brings many
Environmental problem.
It is a further object to provide the preparation method of above-mentioned denitration catalyst agent material, this preparation method technique letter
Single.
Third object of the present invention is to provide the catalyst for denitrating flue gas that above-mentioned denitration catalyst agent material prepares, cigarette
QI prostration denox catalyst may be directly applied to commercial production.
Fourth object of the present invention is to provide the application in denitrating flue gas field of the above-mentioned denitration catalyst agent material.
In order to solve above technical problem, the technical scheme is that
A kind of ferrum cerium-red mud composite oxides denitration catalyst agent material, for the red mud of ferrum cerium composite oxides doping vario-property
Catalyst.
Ferrum cerium composite oxides refers to contain ferrum, the oxide of two kinds of metallic elements of cerium in the present invention simultaneously.
It is further preferred that described red mud catalyst includes that ferrum oxide that mass fraction is 2-10% and mass fraction are
The cerium oxide of 1-8%.
Further preferred, described red mud catalyst includes ferrum oxide and the mass fraction that mass fraction is 4-10%
Cerium oxide for 2-6%.
The denitrating catalyst granule that described denitration catalyst agent material obtains through pelletize, has 40-60 mesh (0.30-
Particle size range 0.45mm).
When the composition of catalyst determine and particle size little to a certain extent time, catalytic reaction enter dynamics Controlling rank
Section, now internal diffusion is negligible on the impact of reaction rate, in therefore selecting suitable catalyst granules particle diameter to eliminating
The impact of diffusion is extremely important, and the present invention finds in catalyst activity experimentation, continues to reduce in above-mentioned particle size range
Catalyst granules particle diameter, its SCR denitration efficiency no longer changes, and illustrates that this particle diameter condition be enough to eliminate effect of intraparticle diffusion.
A kind of board-like catalyst for denitrating flue gas, including wire netting base material and the above-mentioned denitration being attached on wire netting substrate surface
Catalyst material.
A kind of honeycomb type flue gas denitration catalyst, above-mentioned denitration catalyst agent material together extruded after mixing with substrate material
And obtain.
A kind of corrugated plate dst catalyst for denitrating flue gas, including corrugated plate dst base material be attached on corrugated plate dst substrate surface
Above-mentioned denitration catalyst agent material.
Preferably, the material of described base material is titanium dioxide.
The preparation method of denitration catalyst agent material, comprises the steps: cerous salt solution and ferrous salt solution with red
Mud suspension mixing after, add precipitant regulation mixed liquor pH value to alkalescence, make cation fully precipitate, obtain ferrum cerium-
Red mud mixing suspension.
Preferably, every 100 grams of red muds use 0.004-0.010mol cerous salt and 0.06-0.14mol ferrous salt to carry out
Reaction doping.
Preferably, the pH value of regulation mixed liquor is 9-10.
Preferably, described precipitant is ammonia, sodium hydroxide, sodium bicarbonate or ammonium carbonate.
It is further preferred that described precipitant is ammonia.
Ammonia decreases the introducing of foreign ion as precipitant, and gained catalyst performance is optimum, possesses and most preferably precipitates effect
Really.
Preferably, described cerous salt is the cerous salt of solubility.Such as cerous nitrate and cerous sulfate.
It is further preferred that the concentration of described cerous salt solution is 0.01-0.04mol L-1。
Preferably, described ferrous salt is the ferrous salt of solubility.Such as ferrous chloride, ferrous sulfate, ferric nitrate, ferric citrate
Deng.
It is further preferred that the concentration of described ferrous salt is 0.1-0.3mol L-1。
Preferably, described ferrous salt solution is mixed with cerium solution, obtain ferrum cerium mixing precursor solution, and by before this
Body solution mixes with red mud suspension liquor.
In order to make the auxiliary element ferrum of interpolation, cerium be uniformly distributed at catalyst surface, first by ferrous salt solution and trivalent cerium
Saline solution mixes, and obtains ferrum cerium mixing precursor solution, then is mixed with red mud suspension liquor by this precursor solution.
Preferably, described red mud suspension be red mud through broken, grind, and after crossing 50-120 mesh sieve, mix with water and
?.
The then later stage pelletize that the granule of red mud is the least is difficult, granule excessive then Surface Fe cerium promoter skewness.
Preferably, above-mentioned preparation method also includes ferrum cerium-red mud mixing suspension is carried out sucking filtration, and by filter cake and pelletize
Agent mixes, and obtains the step of mixture.
It is further preferred that the weight ratio of granulating agent and red mud is 1-1.5:25.
It is further preferred that described granulating agent includes following component: Kaolin, soluble starch and graphite powder.
Wherein, Kaolin is a kind of clay based on kaolinite race clay mineral, have good high-temperature stability and
Plasticity, it can strengthen its chemical stability and sintering strength after metal oxide catalyst combines.
Soluble starch is a kind of white powder, odorless, tasteless, insoluble in cold water, alcohol and ether, and its hydrothermal solution (10g/L)
For transparent, with the liquid of fluorescence.Soluble starch can improve its surface strength as shaping of catalyst binding agent.
The addition of graphite powder then can improve resistance to elevated temperatures and the heat stability of catalyst, favourable to SCR reaction.
Further preferred, described granulating agent is made up of the component of following weight portion: Kaolin 6-8 part, and solubility is formed sediment
Powder 3-5 part, graphite powder 1-4 part.
It is further preferred that above-mentioned preparation method also includes being dried said mixture, calcines, grinds, sieves
Step.
Further preferred, described dry temperature is 100-110 DEG C.
Further preferred, the temperature of described calcining is 400-550 DEG C, and the time of calcining is 3.5-4.5h.
Precursor salt anions in solution forms hydroxide after the settling process, is deposited in red mud catalyst surface, forges
Burning process is to ensure that predecessor forms the important step of stable oxide crystalline phase.
Further preferred, the particle diameter of the catalyst after screening is 40-60 mesh.
The application in denitrating flue gas of the above-mentioned catalyst for denitrating flue gas material.
The method have the advantages that
(1) present invention uses metallic iron cheap and easy to get and transition metal cerium as auxiliary agent to red mud as main active component
Catalyst be doped modification, greatly improve the denitration activity of such catalyst and widened its active temperature windows.
(2) using industrial waste red mud is main active component so that it is cost of material is greatly reduced, and uses simple work simultaneously
Skill means, it is achieved that the preparation of such denitrating catalyst, have saved catalyst manufacturing cost.
(3) will introduce in denitrating catalyst preparation with the theory of dirty pollution treatment, it is to avoid in the application of traditional vanadium series catalyst by
In serious environmental problems such as the secondary pollutions that the loss of heavy metal vanadium causes.
Accompanying drawing explanation
Fig. 1 be the present invention detailed description of the invention in catalyst denitration activity test fixture bed experiment system structure show
It is intended to.
Detailed description of the invention
Further illustrate the present invention below in conjunction with embodiment, but it is without any restrictions to the scope of the present invention.
Material and the source of instrument in following example are as follows:
Kaolin, Al2O3·SiO2·H2O, chemical pure, purchased from Tianjin good fortune chemical reagent factory in morning；
Soluble starch, causes remote chemical reagent factory purchased from Tianjin；
Graphite powder, purchased from the permanent emerging chemical reagent factory in Tianjin；
Ferrous chloride, chemical pure, purchased from Tianjin Ke Miou chemical reagent company limited；
Cerous nitrate, chemical pure, purchased from Chemical Reagent Co., Ltd., Sinopharm Group；
Air dry oven, model C JJDGG-9053A, purchased from Hangzhou Zhuo Chi Instrument Ltd.；
Vortex oscillation vortex mixer, model XH-C, purchased from White Tower Xin Bao instrument plant of Jintan City；
Magnetic stirring apparatus, model 78-1, purchased from White Tower Xin Bao instrument plant of Jintan City.
Embodiment 1
Take the red mud sample (Chalco Shandong branch company, Bayer process red mud) that quality is 24g, broken, grinding, and by 50
～120 mesh sieve, with deionized water with liquid-solid ratio 10mL g-1Mixing, and stir at ambient temperature, obtain red mud and hang
Turbid liquid, now suspension pH is alkalescence；Compound concentration is 0.2mol L-1Solution of ferrous chloride (FeCl2·4H2O, analyzes
Pure) 100ml, adds the cerous nitrate (Ce (NO that quality is 0.025M in solution of ferrous chloride3)3·6H2O, analytical pure), it is placed in
Magnetic stirrer 1h, makes ferrous sulfate fully dissolve with cerous nitrate and mix homogeneously, and obtains ferrum cerium mixing precursor solution；
Above-mentioned ferrum cerium precursor mixed solution is slowly dropped into red mud suspension continuously stirred, wait to drip complete and precursor solution with
After red mud suspension mix homogeneously, it is slowly added ammonia (NH3·H2O) regulation pH value is 9～10, makes the sun in precursor solution
Ion fully precipitates, and obtains ferrum cerium-red mud mixing suspension.By gained mixing suspension sucking filtration, and remove impurity is gone in washing further
Matter ion to solution is neutrality, it is thus achieved that filter cake quality is designated as N；By granulating agent (kaolinite certain with quality for the neutral filter cake obtained
Soil, Al2O3·SiO2·H2O, chemical pure；Soluble starch；Graphite powder) according to fixed proportion, (red mud quality is N, then Kaolin
Doping quality is 0.025N, and soluble starch doping quality is 0.015N, and graphite powder doping quality is 0.005N) mixing, and adopt
It is stirred well to mix homogeneously with vortex oscillation vortex mixer；Air dry oven put into by the catalyst being uniformly blended into granulating agent, 105 DEG C
It is dried to constant weight；Dried catalyst sample is placed in Muffle furnace, under the conditions of air atmosphere, constant temperature 400 DEG C, calcines 4h,
Take out grinding, screening catalyst granule to 40～60 mesh, obtain catalyst A.
Embodiment 2
Take the red mud sample (Chalco Shandong branch company, Bayer process red mud) that quality is 25g, broken, grinding, and by 50
～120 mesh sieve, with deionized water with liquid-solid ratio 10mL g-1Mixing, and stir at ambient temperature, obtain red mud and hang
Turbid liquid, now suspension pH is alkalescence；Compound concentration is 0.2mol L-1Solution of ferrous chloride (FeCl2·4H2O, analyzes
Pure) 100ml, and it is slowly dropped into red mud suspension continuously stirred, waits to drip complete and solution of ferrous chloride and hang with red mud
After turbid liquid mix homogeneously, it is slowly added ammonia (NH3·H2O) regulation pH value is 9～10, makes auxiliary agent cation fully precipitate, obtains
Ferrum-red mud mixed solution.By gained mixed liquor sucking filtration, and washing removal foreign ion to solution is neutrality further, it is thus achieved that filter
Cake quality is designated as N；By certain with quality for the neutral filter cake obtained granulating agent (Kaolin, Al2O3·SiO2·H2O, chemical pure；
Soluble starch；Graphite powder) according to fixed proportion, (red mud quality is N, then Kaolin doping quality is 0.025N, and solubility is formed sediment
Powder doping quality is 0.015N, and graphite powder doping quality is 0.005N) mixing, and use vortex oscillation vortex mixer to be stirred well to
Mix homogeneously；Air dry oven put into by the catalyst being uniformly blended into granulating agent, and 105 DEG C are dried to constant weight；Dried catalyst
Sample is placed in Muffle furnace, under the conditions of air atmosphere, constant temperature 400 DEG C, calcines 4h, takes out grinding, screening catalyst granule extremely
40～60 mesh, obtain catalyst B.
Embodiment 3
Step such as embodiment 1, changing calcining heat is 450 DEG C, obtains catalyst C.
Embodiment 4
Step such as embodiment 1, changing calcining heat is 500 DEG C, obtains catalyst D.
Embodiment 5
Step such as embodiment 1, changing calcining heat is 550 DEG C, obtains catalyst E.
Embodiment 6
Step such as embodiment 1, changes 0.2mol L-1The addition of solution of ferrous chloride be 125ml, obtain catalyst
F。
Embodiment 7
Step such as embodiment 1, changes 0.2mol L-1The addition of solution of ferrous chloride be 150ml, obtain catalyst
G。
Embodiment 8
Step such as embodiment 1, the addition changing cerous nitrate is 0.03M, obtains catalyst H.
Embodiment 9
Step such as embodiment 1, the addition changing cerous nitrate is 0.035M, obtains catalyst I.
Embodiment 10
Step such as embodiment 1, replaces with ammonia precipitation process agent the sodium hydroxide solution of 2mol/L, obtains catalyst J.
Embodiment 11
Step such as embodiment 1, replaces with ammonia precipitation process agent the sodium bicarbonate solution of 1mol/L, obtains catalyst K.
Embodiment 12
Step such as embodiment 1, replaces with ammonia precipitation process agent the sal volatile of 1mol/L, obtains catalyst L.
The content of the various compositions in the catalyst that embodiment 1-12 prepares is as shown in table 1:
Table 1
| Catalyst is numbered | Cerium oxide % | Ferrum oxide % | Red mud % | Granulating agent calcining afterproduct and inevitably impurity % |
| A | 2.8 | 5.6 | 87.7 | Surplus |
| B | 0 | 5.8 | 90.2 | Surplus |
| C | 2.8 | 5.6 | 87.7 | Surplus |
| D | 2.8 | 5.6 | 87.7 | Surplus |
| E | 2.8 | 5.6 | 87.7 | Surplus |
| F | 2.76 | 6.9 | 86.5 | Surplus |
| G | 2.72 | 8.2 | 85.3 | Surplus |
| H | 3.34 | 5.57 | 87.2 | Surplus |
| I | 3.88 | 5.54 | 86.7 | Surplus |
| J | 2.8 | 5.6 | 87.7 | Surplus |
| K | 2.8 | 5.6 | 87.7 | Surplus |
| L | 2.8 | 5.6 | 87.7 | Surplus |
Denitration activity is tested
Catalyst SCR denitration active testing is carried out on fixture bed experiment platform, and experimental system is as shown in Figure 1.Reaction is urged
Agent consumption is 6ml, and air speed is 30000h-1.Distribution consists of 0.1%NO, 0.1%NH3, 3.0%O2(volume fraction), N2For
Balance Air, flue gas total flow is 3000ml min-1, NH3For reducing agent.Various gases are provided by calibrating gas bottle, in a part
In (9 is nitrogen cylinder, and 10 is the mixed gas bottle of nitric oxide and nitrogen, and 11 is oxygen cylinder, and 12 is the gaseous mixture of ammonia and nitrogen
Body bottle), four kinds of gases enter in mixing chamber 1 through valve and effusion meter, and mixed gas enters back into gas preheating section 2,
Rear entrance beds 3 carries out SCR reaction.In Fig. 1,4,5 is temperature controller, and for temperature automatic control, 6 is K-type thermoelectricity
Even, for Temperature Feedback.Reactor imports and exports gas concentration (NO and NO2) divided by MGA 5 type (MRU company of Germany) chemical fumes
Analyzer 7 is measured, and simulated flue gas removes excess NH through strong phosphoric acid wash bottle 8 before entering flue gas analyzer3, reduce and measure by mistake
Difference.
The SCR denitration activity of catalyst is characterized by conversion rate of NOx, and conversion rate of NOx (η) calculates according to the following formula:
NO in formulax(inlet)For Reactor inlet NOxConcentration, NOx(outlet)For outlet NOxConcentration.Wherein, NOx=NO+NO2。
At above-mentioned 30000h-1High-speed ratio under experiment condition, 4 kinds are the highest through the red mud catalyst that ferrum cerium dopping is modified
NOxConversion ratio is all more than 85%, it is seen that the method that the present invention proposes can realize the high effective and modified of discarded red mud catalyst, makes such
The great further research and development potentiality of catalyst with iron-based garbage as main active component.
Table 2 original red mud sample main component proportion (%, mass percent)
Table 3 catalyst sample removal of nitrogen oxide evaluation of result
Embodiment 13
A kind of board-like catalyst for denitrating flue gas, including substrate and the above-mentioned denitration catalyst agent material being attached on substrate surface.
Base material is the skeleton of catalyst shape, can be standby by steel or ceramic, if being prepared by stainless steel cloth, then and example ginseng
Number is as follows: stainless steel silk diameter 0.33mm, and stainless steel silk is spaced: 3.86mm.
After red mud suspension liquor after acid activation is filtered, mix with granulating agent (mixed proportion can depend on the circumstances), and
Mixture adds a small amount of water, stirs the mixture for, mix homogeneously, it is prepared as slurry.Take out preprepared stainless steel silk
Net, places 1 filter paper, a certain amount of slurry is coated in stainless steel silk online, then with another in the lower section of stainless steel cloth
Slurry is covered by filter paper, and filter paper can make paste compaction on stainless (steel) wire, it is also possible to the portion of water in absorption slurry.So
After stainless steel cloth is placed between two block plates compacting, obtain catalyst module, then catalyst module be dried to perseverance
Weight, the temperature being dried is 105 DEG C.It is combined each catalyst module obtaining board-like QI prostration denox catalyst.
Embodiment 14
A kind of honeycomb type flue gas denitration catalyst, above-mentioned denitration catalyst agent material together extruded after mixing with substrate material
And obtain.
Can embodiment 5 gained filter cake be carried out mixing as pug, afterwards by the pug of mixing end by pre-extruded machine
Carry out pre-extruded, in order to the dosing operation of basis operation；Afterwards by extrusion shaping machine, pug is carried out extrusion molding, obtains
The wet embryo of porous honeycomb catalyst；Wet embryo packs in being placed on baking oven and carries out drying until moisture loss reaches standard；Right
Catalyst after drying carries out calcination processing so that it is condense hardening；Cutting machine is used to be cut into by the catalyst after calcining afterwards
Design length, and will cutting after catalyst monomer be assembled in framed in, with plastic sheeting and be wound around film pack, in case being subject to
Tide, standby.
Embodiment 15
A kind of corrugated plate dst catalyst for denitrating flue gas, including corrugated plate dst base material be attached on corrugated plate dst substrate surface
Above-mentioned denitration catalyst agent material.
Catalyst backbone is corrosion resistant plate, stainless (steel) wire, titanium plate or titanium net.The slurry that embodiment 6 can be prepared
Coating is compressed on catalyst backbone, passes through and is dried and obtains.Then different catalyst backbones is assembled into corrugated plate dst catalysis
Agent.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not to invention protection domain
Restriction, one of ordinary skill in the art should be understood that, on the basis of technical scheme, those skilled in the art are not required to
Various amendments or deformation that creative work to be paid can be made are the most within the scope of the present invention.
Claims (10)
1. ferrum cerium-red mud composite oxides denitration catalyst agent material, it is characterised in that: change for the doping of ferrum cerium composite oxides
The red mud catalyst of property.
Denitration catalyst agent material the most according to claim 1, it is characterised in that: described red mud catalyst includes that quality is divided
Ferrum oxide and mass fraction that number is 2-10% are the cerium oxide of 1-8%；
Being preferably, described red mud catalyst includes that ferrum oxide that mass fraction is 4-10% and mass fraction are the oxygen of 2-6%
Change cerium.
3. the denitrating catalyst granule that the described denitration catalyst agent material described in claim 1 or 2 obtains through pelletize, its feature
It is: there is the particle size range of 40-60 mesh.
4. a board-like catalyst for denitrating flue gas, it is characterised in that: include wire netting base material and be attached on wire netting substrate surface
Claim 1 or 2 described in denitration catalyst agent material.
5. a honeycomb type flue gas denitration catalyst, it is characterised in that: by denitration catalyst agent material described in claim 1 or 2 with
Together extrude after substrate material mixing and obtain.
6. a corrugated plate dst catalyst for denitrating flue gas, it is characterised in that: include corrugated plate dst base material and be attached on corrugated plate dst
Denitration catalyst agent material described in the claim 1 or 2 of substrate surface.
7. the preparation method of denitration catalyst agent material described in claim 1 or 2, it is characterised in that: comprise the steps: trivalent
After cerium solution and ferrous salt solution mix with red mud suspension, the pH value of addition precipitant regulation mixed liquor, to alkalescence, makes
Cation fully precipitates, and obtains ferrum cerium-red mud mixing suspension；
Preferably, described precipitant is ammonia, sodium hydroxide, sodium bicarbonate or ammonium carbonate, it is further preferred that described precipitant
For ammonia.
Preparation method the most according to claim 7, it is characterised in that: described ferrous salt solution mixes with cerium solution,
Mix precursor solution to ferrum cerium, and this precursor solution is mixed with red mud suspension liquor.
Preparation method the most according to claim 7, it is characterised in that: also include carrying out ferrum cerium-red mud mixing suspension
Sucking filtration, and filter cake is mixed with granulating agent, obtain the step of mixture；
With, described mixture is dried, calcines, grinds, sieves the step obtaining catalyst material.
10. catalyst for denitrating flue gas material described in claim 1 or 2 or the arbitrary described catalyst of claim 4-6 take off at flue gas
Application in nitre.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243341A (en) * | 2017-07-14 | 2017-10-13 | 山东大学 | A kind of red mud for denitrating flue gas adulterates manganese cerium catalyst and preparation method thereof |
| CN107537492A (en) * | 2017-10-24 | 2018-01-05 | 中国科学院过程工程研究所 | A kind of method that iron system denitrating catalyst is directly prepared by the activation of red mud soda acid |
| CN109939561A (en) * | 2019-04-04 | 2019-06-28 | 安徽工业大学 | A kind of red mud from sintering process modification biological activated carbon and preparation method thereof for flue gas desulfurization and denitrification |
| CN113231085A (en) * | 2021-05-25 | 2021-08-10 | 北京化工大学 | Ferric sulfate modified red mud-based denitration catalyst and preparation method and application thereof |
| CN113398939A (en) * | 2021-03-29 | 2021-09-17 | 上海中船临港船舶装备有限公司 | Iron-cerium composite oxide catalyst for VOCs treatment and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3621981C1 (en) * | 1986-07-01 | 1987-09-10 | Metallgesellschaft Ag | Process for the preparation of calcium-containing sorbents for the absorption of SO2 from exhaust gases |
| CN102658155A (en) * | 2012-04-28 | 2012-09-12 | 山东大学 | Preparation method of supported type denitration catalyst |
| CN102658161A (en) * | 2012-04-18 | 2012-09-12 | 山东大学 | Supported iron-based composite oxide catalyst and preparation method thereof |
-
2016
- 2016-08-22 CN CN201610703344.8A patent/CN106238064A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3621981C1 (en) * | 1986-07-01 | 1987-09-10 | Metallgesellschaft Ag | Process for the preparation of calcium-containing sorbents for the absorption of SO2 from exhaust gases |
| CN102658161A (en) * | 2012-04-18 | 2012-09-12 | 山东大学 | Supported iron-based composite oxide catalyst and preparation method thereof |
| CN102658155A (en) * | 2012-04-28 | 2012-09-12 | 山东大学 | Preparation method of supported type denitration catalyst |
Non-Patent Citations (5)
| Title |
|---|
| 《中国优秀硕士学位论文全文数据库-工程科技I辑》 * |
| KRIJIN P.DE JONG: "《固体催化剂合成》", 31 May 2014, 中国石化出版社 * |
| 宋小平等: "《石油化学助剂及石油产品制造技术》", 31 October 2011, 科学技术文献出版社 * |
| 环境保护部环境工程评估中心: "《金属矿采选业环境保护政策法规》", 31 December 2012, 中国环境出版社 * |
| 魏文德: "《有机化工原料大全》", 31 December 1989, 化学工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243341A (en) * | 2017-07-14 | 2017-10-13 | 山东大学 | A kind of red mud for denitrating flue gas adulterates manganese cerium catalyst and preparation method thereof |
| CN107537492A (en) * | 2017-10-24 | 2018-01-05 | 中国科学院过程工程研究所 | A kind of method that iron system denitrating catalyst is directly prepared by the activation of red mud soda acid |
| CN109939561A (en) * | 2019-04-04 | 2019-06-28 | 安徽工业大学 | A kind of red mud from sintering process modification biological activated carbon and preparation method thereof for flue gas desulfurization and denitrification |
| CN113398939A (en) * | 2021-03-29 | 2021-09-17 | 上海中船临港船舶装备有限公司 | Iron-cerium composite oxide catalyst for VOCs treatment and preparation method thereof |
| CN113231085A (en) * | 2021-05-25 | 2021-08-10 | 北京化工大学 | Ferric sulfate modified red mud-based denitration catalyst and preparation method and application thereof |
| CN113231085B (en) * | 2021-05-25 | 2023-06-27 | 北京化工大学 | Ferric sulfate modified red mud-based denitration catalyst and preparation method and application thereof |
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