ZA200508783B - Ammonia oxidation process - Google Patents
Ammonia oxidation process Download PDFInfo
- Publication number
- ZA200508783B ZA200508783B ZA200508783A ZA200508783A ZA200508783B ZA 200508783 B ZA200508783 B ZA 200508783B ZA 200508783 A ZA200508783 A ZA 200508783A ZA 200508783 A ZA200508783 A ZA 200508783A ZA 200508783 B ZA200508783 B ZA 200508783B
- Authority
- ZA
- South Africa
- Prior art keywords
- catalyst
- nitrous oxide
- precious metal
- ammonia oxidation
- decomposition
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 175
- 229910021529 ammonia Inorganic materials 0.000 title claims description 89
- 238000007254 oxidation reaction Methods 0.000 title claims description 72
- 230000003647 oxidation Effects 0.000 title claims description 71
- 238000000034 method Methods 0.000 title claims description 48
- 230000008569 process Effects 0.000 title claims description 41
- 239000003054 catalyst Substances 0.000 claims description 251
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical group [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 196
- 239000001272 nitrous oxide Substances 0.000 claims description 94
- 238000000354 decomposition reaction Methods 0.000 claims description 76
- 239000000463 material Substances 0.000 claims description 75
- 239000010970 precious metal Substances 0.000 claims description 71
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 61
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 59
- 239000002574 poison Substances 0.000 claims description 43
- 231100000614 poison Toxicity 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 38
- 229910017052 cobalt Inorganic materials 0.000 claims description 33
- 239000010941 cobalt Substances 0.000 claims description 33
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 33
- 229910052697 platinum Inorganic materials 0.000 claims description 31
- 229910052763 palladium Inorganic materials 0.000 claims description 29
- 239000010948 rhodium Substances 0.000 claims description 29
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 239000006260 foam Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 229910052759 nickel Inorganic materials 0.000 claims description 17
- 229910052703 rhodium Inorganic materials 0.000 claims description 17
- 229910001260 Pt alloy Inorganic materials 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 14
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 12
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229910003455 mixed metal oxide Inorganic materials 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 238000006189 Andrussov oxidation reaction Methods 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 5
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 2
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 26
- 239000007789 gas Substances 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- 239000008188 pellet Substances 0.000 description 15
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 15
- 241000264877 Hippospongia communis Species 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- 229910044991 metal oxide Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 11
- 150000004706 metal oxides Chemical class 0.000 description 11
- 239000000919 ceramic Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 8
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 8
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- 239000011575 calcium Substances 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical class [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- -1 metal oxide nitrous oxide Chemical class 0.000 description 4
- 231100000572 poisoning Toxicity 0.000 description 4
- 230000000607 poisoning effect Effects 0.000 description 4
- 229910052596 spinel Inorganic materials 0.000 description 4
- 239000011029 spinel Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- 238000009940 knitting Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910018565 CuAl Inorganic materials 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910052566 spinel group Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 238000002411 thermogravimetry Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- WMOHXRDWCVHXGS-UHFFFAOYSA-N [La].[Ce] Chemical compound [La].[Ce] WMOHXRDWCVHXGS-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- XKUTVNLXHINPAP-UHFFFAOYSA-N azane platinum Chemical compound N.[Pt] XKUTVNLXHINPAP-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(2+);cobalt(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical group [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
-
- 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
- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
-
- 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
- B01J35/19—Catalysts containing parts with different compositions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
- C01B21/265—Preparation by catalytic or non-catalytic oxidation of ammonia characterised by the catalyst
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
- C01C3/0208—Preparation in gaseous phase
- C01C3/0212—Preparation in gaseous phase from hydrocarbons and ammonia in the presence of oxygen, e.g. the Andrussow-process
- C01C3/0216—Preparation in gaseous phase from hydrocarbons and ammonia in the presence of oxygen, e.g. the Andrussow-process characterised by the catalyst used
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0309747 | 2003-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200508783B true ZA200508783B (en) | 2006-07-26 |
Family
ID=27741488
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200508788A ZA200508788B (en) | 2003-04-29 | 2005-10-28 | Improved catalyst charge design |
ZA200508783A ZA200508783B (en) | 2003-04-29 | 2005-10-28 | Ammonia oxidation process |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200508788A ZA200508788B (en) | 2003-04-29 | 2005-10-28 | Improved catalyst charge design |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP1633677A2 (ja) |
JP (1) | JP2006525216A (ja) |
KR (1) | KR20060017503A (ja) |
CN (1) | CN100363252C (ja) |
BR (1) | BRPI0409944A (ja) |
CO (1) | CO5660283A2 (ja) |
GB (1) | GB0315643D0 (ja) |
IL (1) | IL171472A (ja) |
NO (1) | NO20054967L (ja) |
TW (2) | TW200502162A (ja) |
WO (1) | WO2004096703A2 (ja) |
ZA (2) | ZA200508788B (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0416982D0 (en) * | 2004-07-30 | 2004-09-01 | Johnson Matthey Plc | Oxidation process |
RU2397810C2 (ru) * | 2006-03-10 | 2010-08-27 | Умикоре Аг Унд Ко. Кг | Катализатор и способ разложения монооксида диазота и способ и устройство для получения азотной кислоты |
PL2145663T3 (pl) * | 2008-07-16 | 2011-04-29 | Umicore Ag & Co Kg | Katalizator do przemiany tlenku diazotu i jego zastosowanie przy przemysłowym wytwarzaniu kwasu azotowego |
GB0819094D0 (en) * | 2008-10-20 | 2008-11-26 | Johnson Matthey Plc | Catalyst containment unit |
US8524185B2 (en) | 2008-11-03 | 2013-09-03 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
GB201002378D0 (en) * | 2010-02-12 | 2010-03-31 | Johnson Matthey Plc | Catalyst structures |
IT1401698B1 (it) * | 2010-09-13 | 2013-08-02 | Sued Chemie Catalysts Italia | Catalizzatore per la decomposizione di protossido d'azoto. |
DE102012106732A1 (de) | 2012-07-24 | 2014-01-30 | Heraeus Materials Technology Gmbh & Co. Kg | Katalysator |
NO20130145A1 (no) * | 2013-01-28 | 2014-07-29 | Yara Int Asa | En ammoniakkoksidasjonskatalysator for fremstillingen av salpetersyre basert på metalldopet yttrium |
NO335207B1 (no) * | 2013-01-28 | 2014-10-20 | Yara Int Asa | Katalytisk aktiv komponent av katalysator, katalysator og anvendelse derav. |
CN107206356B (zh) * | 2014-12-19 | 2021-07-06 | 庄信万丰股份有限公司 | 催化剂制造方法 |
FI20146177A (fi) * | 2014-12-31 | 2016-07-01 | Teknologian Tutkimuskeskus Vtt Oy | Menetelmä katalyyttisen nanopinnoitteen muodostamiseksi |
EP3056267A1 (en) * | 2015-02-12 | 2016-08-17 | Umicore AG & Co. KG | Catalyst gauze and installation for the catalytic oxidation of ammunia |
CZ201750A3 (cs) * | 2017-01-30 | 2018-03-07 | Ústav fyzikální chemie J. Heyrovského AV ČR, v. v. i. | Způsob výroby katalyzátorů perovskitové struktury, katalyzátory perovskitové struktury a jejich použití pro vysokoteplotní rozklad N2O |
EP4434615A1 (en) * | 2023-03-24 | 2024-09-25 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for producing synthesis gas product comprising hydrogen |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8516333D0 (en) * | 1985-06-28 | 1985-07-31 | Johnson Matthey Plc | Nitric oxide |
GB9302531D0 (en) * | 1993-02-09 | 1993-03-24 | Johnson Matthey Plc | Improvements in pt recovery |
US5478549A (en) * | 1994-12-15 | 1995-12-26 | E. I. Du Pont De Nemours And Company | Production of nitric oxide |
GB9626516D0 (en) * | 1996-12-20 | 1997-02-05 | Ici Plc | Ammonia oxidation |
WO1999007638A1 (de) * | 1997-08-12 | 1999-02-18 | L. & C. Steinmüller Gmbh | Verfahren zur herstellung von salpetersäure und vorrichtung zur durchführung des verfahrens |
DE19819882A1 (de) * | 1998-04-27 | 1999-10-28 | Basf Ag | Verfahren zur katalytischen Zersetzung von N2O |
GB9812276D0 (en) * | 1998-06-09 | 1998-08-05 | Ici Plc | Catalytic process |
DE19841740A1 (de) * | 1998-09-09 | 2000-03-16 | Porzellanwerk Kloster Veilsdor | Keramischer Katalysator zur selektiven Zersetzung von N2O und Verfahren zu dessen Herstellung |
AU6761100A (en) * | 1999-08-10 | 2001-03-05 | Engelhard Corporation | Recovery of precious metal |
RU2145935C1 (ru) * | 1999-08-11 | 2000-02-27 | Институт катализа им.Г.К.Борескова СО РАН | Способ конверсии аммиака |
DE10001540B4 (de) * | 2000-01-14 | 2005-06-23 | Uhde Gmbh | Beseitigung von Lachgas bei der Salpetersäureproduktion |
CA2374950C (en) * | 2000-05-15 | 2008-07-08 | W.C. Heraeus Gmbh & Co. Kg | Method and device for the reduction of nitrogen protoxide |
GB0118322D0 (en) * | 2001-07-27 | 2001-09-19 | Ici Plc | Catalyst or sorbent beds |
-
2003
- 2003-07-04 GB GBGB0315643.7A patent/GB0315643D0/en not_active Ceased
-
2004
- 2004-04-27 KR KR1020057020493A patent/KR20060017503A/ko not_active Application Discontinuation
- 2004-04-27 WO PCT/GB2004/001785 patent/WO2004096703A2/en active Application Filing
- 2004-04-27 BR BRPI0409944-3A patent/BRPI0409944A/pt not_active IP Right Cessation
- 2004-04-27 EP EP04729673A patent/EP1633677A2/en not_active Withdrawn
- 2004-04-27 JP JP2006506185A patent/JP2006525216A/ja not_active Withdrawn
- 2004-04-27 CN CNB2004800115048A patent/CN100363252C/zh not_active Expired - Fee Related
- 2004-04-29 TW TW093112054A patent/TW200502162A/zh unknown
- 2004-04-29 TW TW093112091A patent/TWI346087B/zh not_active IP Right Cessation
-
2005
- 2005-10-19 IL IL171472A patent/IL171472A/en not_active IP Right Cessation
- 2005-10-26 NO NO20054967A patent/NO20054967L/no not_active Application Discontinuation
- 2005-10-28 ZA ZA200508788A patent/ZA200508788B/xx unknown
- 2005-10-28 ZA ZA200508783A patent/ZA200508783B/en unknown
- 2005-11-22 CO CO05118375A patent/CO5660283A2/es not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2004096703A3 (en) | 2005-01-20 |
IL171472A (en) | 2011-01-31 |
TW200513435A (en) | 2005-04-16 |
GB0315643D0 (en) | 2003-08-13 |
WO2004096703A2 (en) | 2004-11-11 |
EP1633677A2 (en) | 2006-03-15 |
TW200502162A (en) | 2005-01-16 |
BRPI0409944A (pt) | 2006-04-25 |
NO20054967D0 (no) | 2005-10-26 |
KR20060017503A (ko) | 2006-02-23 |
CN1780789A (zh) | 2006-05-31 |
JP2006525216A (ja) | 2006-11-09 |
NO20054967L (no) | 2005-11-23 |
WO2004096703A8 (en) | 2005-03-17 |
CN100363252C (zh) | 2008-01-23 |
TWI346087B (en) | 2011-08-01 |
CO5660283A2 (es) | 2006-07-31 |
ZA200508788B (en) | 2006-08-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA200508783B (en) | Ammonia oxidation process | |
US6827917B1 (en) | Process for oxidation of ammonia | |
AU2008286480B2 (en) | Catalyst, production method therefor and use thereof for decomposing N2O | |
US8394353B2 (en) | Catalyst containment unit | |
US5935529A (en) | Exhaust gas cleaner and method for cleaning exhaust gas | |
EP1475149B1 (en) | CATALYST CONTAINING PLATINUM ON A SUPPORT CONSISTING OF MAGNESIUM OXIDE AND CERIUM OXIDE FOR THE REDUCTION OF NO TO N2 WITH HYDROGEN UNDER NOx OXIDATION CONDITIONS | |
US9340424B2 (en) | Catalyst structures | |
CZ34494A3 (en) | Supported catalyst containing silver and process of selective catalytic decomposition of nitrogen monoxide | |
US5516741A (en) | Reduced chlorine containing platinum catalysts | |
EP2948242B1 (en) | An ammonia oxidation catalyst for the production of nitric acid based on metal doped yttrium ortho cobaltate | |
US20070031314A1 (en) | Catalyst charge design | |
US5192515A (en) | Reduction of nitrogen oxide and carbon monoxide in effluent gases | |
WO1999064352A1 (en) | Catalytic process for the oxidation of ammonia and catalyst assembly | |
RU2808516C2 (ru) | Каталитическая система, а также способ каталитического сжигания аммиака до оксидов азота в установке среднего давления | |
EP2948243B1 (en) | An ammonia oxidation catalyst for the production of nitric acid based on yttrium-gadolinium ortho cobaltates | |
JP5222473B6 (ja) | アンモニア酸化法及びアンモニア酸化用の触媒充填物 | |
Popa | Metal oxide catalysts for green applications | |
MXPA99005205A (en) | Ammonia oxidation catalyst |