CA1067274A - Method for removing nitrogen oxides from exhaust gases - Google Patents
Method for removing nitrogen oxides from exhaust gasesInfo
- Publication number
- CA1067274A CA1067274A CA212,631A CA212631A CA1067274A CA 1067274 A CA1067274 A CA 1067274A CA 212631 A CA212631 A CA 212631A CA 1067274 A CA1067274 A CA 1067274A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- nox
- salt
- aqueous solution
- gas
- 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
Links
- 239000007789 gas Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 40
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title description 35
- 239000007864 aqueous solution Substances 0.000 claims abstract description 45
- 150000003839 salts Chemical class 0.000 claims abstract description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 43
- -1 organic acid alkali salt Chemical class 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 6
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 44
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical class CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 29
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 25
- 239000001632 sodium acetate Substances 0.000 claims description 25
- 235000017281 sodium acetate Nutrition 0.000 claims description 25
- 235000010265 sodium sulphite Nutrition 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 10
- 150000001447 alkali salts Chemical class 0.000 claims description 9
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 9
- 150000007519 polyprotic acids Polymers 0.000 claims description 7
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical class CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical class OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 6
- OSIVBHBGRFWHOS-UHFFFAOYSA-N dicarboxycarbamic acid Chemical class OC(=O)N(C(O)=O)C(O)=O OSIVBHBGRFWHOS-UHFFFAOYSA-N 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 claims description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 4
- JEUFWFJKIXMEEK-UHFFFAOYSA-N carboxy-[2-(dicarboxyamino)ethyl]carbamic acid Chemical compound OC(=O)N(C(O)=O)CCN(C(O)=O)C(O)=O JEUFWFJKIXMEEK-UHFFFAOYSA-N 0.000 claims description 4
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical class OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims description 4
- 235000019260 propionic acid Nutrition 0.000 claims description 4
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical class O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 150000002823 nitrates Chemical class 0.000 claims description 3
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 claims description 3
- 229940099427 potassium bisulfite Drugs 0.000 claims description 3
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 claims description 3
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 claims description 3
- 235000019252 potassium sulphite Nutrition 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 150000003567 thiocyanates Chemical class 0.000 claims description 3
- YHGREDQDBYVEOS-UHFFFAOYSA-N [acetyloxy-[2-(diacetyloxyamino)ethyl]amino] acetate Chemical class CC(=O)ON(OC(C)=O)CCN(OC(C)=O)OC(C)=O YHGREDQDBYVEOS-UHFFFAOYSA-N 0.000 claims description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 150000004648 butanoic acid derivatives Chemical class 0.000 claims description 2
- 150000002690 malonic acid derivatives Chemical class 0.000 claims description 2
- 150000003890 succinate salts Chemical class 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 claims 1
- 150000003841 chloride salts Chemical class 0.000 claims 1
- 229940012017 ethylenediamine Drugs 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 63
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 35
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 32
- 239000007788 liquid Substances 0.000 description 29
- 239000011790 ferrous sulphate Substances 0.000 description 28
- 235000003891 ferrous sulphate Nutrition 0.000 description 28
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 28
- 229910002089 NOx Inorganic materials 0.000 description 24
- 229960005419 nitrogen Drugs 0.000 description 21
- 229940001482 sodium sulfite Drugs 0.000 description 21
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 19
- 150000007524 organic acids Chemical class 0.000 description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 229910001873 dinitrogen Inorganic materials 0.000 description 11
- 235000005985 organic acids Nutrition 0.000 description 9
- 239000001272 nitrous oxide Substances 0.000 description 8
- 238000005070 sampling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229960002089 ferrous chloride Drugs 0.000 description 6
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 6
- 229910052815 sulfur oxide Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 5
- 239000003513 alkali Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 4
- 238000005201 scrubbing Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- JXKPEJDQGNYQSM-UHFFFAOYSA-M sodium propionate Chemical compound [Na+].CCC([O-])=O JXKPEJDQGNYQSM-UHFFFAOYSA-M 0.000 description 4
- 235000010334 sodium propionate Nutrition 0.000 description 4
- 239000004324 sodium propionate Substances 0.000 description 4
- 229960003212 sodium propionate Drugs 0.000 description 4
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 3
- 229940045803 cuprous chloride Drugs 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 2
- 239000001639 calcium acetate Substances 0.000 description 2
- 235000011092 calcium acetate Nutrition 0.000 description 2
- 229960005147 calcium acetate Drugs 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 2
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 2
- 235000011056 potassium acetate Nutrition 0.000 description 2
- ZCUQOPGIJRGJDA-UHFFFAOYSA-N 1-naphthalen-1-ylethane-1,2-diamine Chemical compound C1=CC=C2C(C(N)CN)=CC=CC2=C1 ZCUQOPGIJRGJDA-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- DQRVOQXTVPNKOY-UHFFFAOYSA-N CC(O)=O.CC(O)=O.CC(O)=O.[N-3].[Na+].[Na+].[Na+] Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.[N-3].[Na+].[Na+].[Na+] DQRVOQXTVPNKOY-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 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
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- MCDLETWIOVSGJT-UHFFFAOYSA-N acetic acid;iron Chemical compound [Fe].CC(O)=O.CC(O)=O MCDLETWIOVSGJT-UHFFFAOYSA-N 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000002648 azanetriyl group Chemical group *N(*)* 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910021432 inorganic complex Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- NEUOBESLMIKJSB-UHFFFAOYSA-J tetrasodium;tetraacetate Chemical compound [Na+].[Na+].[Na+].[Na+].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O NEUOBESLMIKJSB-UHFFFAOYSA-J 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- SOBHUZYZLFQYFK-UHFFFAOYSA-K trisodium;hydroxy-[[phosphonatomethyl(phosphonomethyl)amino]methyl]phosphinate Chemical compound [Na+].[Na+].[Na+].OP(O)(=O)CN(CP(O)([O-])=O)CP([O-])([O-])=O SOBHUZYZLFQYFK-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48122598A JPS5072873A (enExample) | 1973-10-31 | 1973-10-31 | |
| JP49000179A JPS5093283A (enExample) | 1973-12-22 | 1973-12-22 | |
| JP49048549A JPS50141573A (enExample) | 1974-04-30 | 1974-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1067274A true CA1067274A (en) | 1979-12-04 |
Family
ID=27274332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA212,631A Expired CA1067274A (en) | 1973-10-31 | 1974-10-30 | Method for removing nitrogen oxides from exhaust gases |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4087372A (enExample) |
| CA (1) | CA1067274A (enExample) |
| DE (1) | DE2451274C3 (enExample) |
| FR (1) | FR2249702B1 (enExample) |
| GB (1) | GB1482643A (enExample) |
| NL (1) | NL7414179A (enExample) |
| NO (1) | NO136782C (enExample) |
| SE (1) | SE413629B (enExample) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2443273B2 (fr) * | 1978-12-04 | 1986-03-07 | Kureha Chemical Ind Co Ltd | Procede pour l'elimination d'anhydride sulfureux de fumees le contenant a l'aide d'une solution d'un sel alcalin d'acide succinique |
| JPS5850767B2 (ja) | 1980-08-19 | 1983-11-12 | 呉羽化学工業株式会社 | 燃焼排ガス脱硫法 |
| DK450781A (da) * | 1981-10-12 | 1983-04-13 | Niro Atomizer As | Fremgangsmaade til fjernelse af nitrogenoxider og svovloxider fra spildgasser |
| US4400362A (en) * | 1981-11-04 | 1983-08-23 | Lerner Bernard J | Removal of nitrogen oxides from gas |
| DE3428108C1 (de) * | 1984-07-30 | 1986-04-03 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Verfahren zur Waschung von SO↓2↓ und/oder NO↓x↓ hinter Fossilkraftwerken |
| WO1985003238A2 (en) * | 1984-01-25 | 1985-08-01 | Hoelter Heinz | Process for stripping nitrogen oxides and sulphur oxides as well as optionally other noxious elements of flue gas from combustion plants |
| DE3414152A1 (de) * | 1984-03-15 | 1985-10-17 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Zwei- oder mehrstufige no(pfeil abwaerts)x(pfeil abwaerts)- und so(pfeil abwaerts)2(pfeil abwaerts)-abscheidung aus rauchgasen, vorzugsweise hinter kraftwerken |
| DE3504157A1 (de) * | 1985-02-07 | 1986-08-07 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Zuschlagstoffe fuer die simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschung |
| DE3511427A1 (de) * | 1985-03-29 | 1986-10-02 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Verfahren zur simultanen auswaschung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) bei gleichzeitiger rueckfuehrung des komplexbildners |
| DE3514407A1 (de) * | 1985-04-20 | 1986-10-23 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Mehrstufiges hc1-, so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschverfahren fuer rauchgasreinigung vorzugsweise hinter fossilen kraftwerken mit hohen natriumsulfitgehalten in der so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschstufe und entsprechender wasseraufbereitung |
| DE3517483A1 (de) * | 1985-05-15 | 1986-11-20 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Verfahren zur simultanen waschung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) mit hohem natriumsulfat-gehalt bei gleichzeitig hoher verweilzeit im waescher |
| DE3523354A1 (de) * | 1985-06-29 | 1987-01-08 | Hoelter Heinz | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschung hinter verbrennungsanlagen bei gleichzeitiger stabilisierung der eisensalzkomplexe in der waschloesung |
| WO1986006981A1 (fr) * | 1985-05-25 | 1986-12-04 | Hoelter Heinz | PROCEDE PERMETTANT L'ELIMINATION SIMULTANEE PAR LAVAGE DE SO2, NOx ET LE CAS ECHEANT D'AUTRES SUBSTANCES NOCIVES CONTENUES DANS LES GAZ DE FUMEE DES INSTALLATIONS DE CHAUFFE ALIMENTEES PAR DES COMBUSTIBLES FOSSILES |
| DE3543843A1 (de) * | 1985-07-13 | 1987-06-19 | Hoelter Heinz | Verfahren zur simultanen waschung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) aus rauchgasen durch einsatz manganarmer additive |
| US4844878A (en) * | 1985-10-04 | 1989-07-04 | Fuel Tech, Inc. | Process for the reduction of nitrogen oxides in an effluent |
| DE3541323A1 (de) * | 1985-11-22 | 1987-05-27 | Hoelter Heinz | So(pfeil abwaerts)2(pfeil abwaerts)-waschung hinter verbrennungsanlagen mit rohgips als endprodukt |
| DE3537949A1 (de) * | 1985-10-25 | 1987-04-30 | Hoelter Heinz | So(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-gasreinigungsanlage mit endprodukt natriumsulfat |
| DE3537948A1 (de) * | 1985-10-25 | 1987-04-30 | Hoelter Heinz | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-verfahren zur reinigung von rauchgasen, die insbesondere mit hohen so(pfeil abwaerts)2(pfeil abwaerts)-belastungen versehen sind |
| DE3536312A1 (de) * | 1985-10-11 | 1987-04-16 | Hoelter Heinz | Simultane so(pfeil abwaerts)2(pfeil abwaerts)/no(pfeil abwaerts)x(pfeil abwaerts)-abscheidung in waessriger phase mit gipserzeugung und so(pfeil abwaerts)2(pfeil abwaerts)-freisetzung in der vorwaschstufe |
| US4708854A (en) * | 1986-03-10 | 1987-11-24 | The Dow Chemical Company | Process for the removal of NO from fluid streams using a water-soluble polymeric chelate of a polyvalent metal |
| DE3617836A1 (de) * | 1986-05-27 | 1987-12-03 | Hoelter Heinz | Waschloesung zur abscheidung von no(pfeil abwaerts)x(pfeil abwaerts) |
| US5017347A (en) * | 1987-02-13 | 1991-05-21 | Fuel Tech, Inc. | Process for nitrogen oxides reduction and minimization of the production of other pollutants |
| US5057293A (en) * | 1987-02-13 | 1991-10-15 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
| DE3871462D1 (de) * | 1987-08-22 | 1992-07-02 | Agency Ind Science Techn | Membran zur gastrennung. |
| US5158582A (en) * | 1988-05-30 | 1992-10-27 | Hitachi Zosen Corporation | Method of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gas |
| US4910002A (en) * | 1989-05-08 | 1990-03-20 | The Dow Chemical Company | Cyclic process for the removal of NOx and SOx from gas streams using a water-soluble, polymeric chelate of a polyvalent metal and membrane separation means |
| US4921683A (en) * | 1989-06-20 | 1990-05-01 | The Dow Chemical Company | Nitric oxide abatement with polymeric cobalt(III) chelates |
| US5320816A (en) * | 1992-10-21 | 1994-06-14 | The Dow Chemical Company | Process for absorption of sulfur dioxide and nitric oxide from flue gas |
| US5697932A (en) | 1994-11-09 | 1997-12-16 | Osteonics Corp. | Bone graft delivery system and method |
| US6610263B2 (en) * | 2000-08-01 | 2003-08-26 | Enviroscrub Technologies Corporation | System and process for removal of pollutants from a gas stream |
| US7232782B2 (en) * | 2002-03-06 | 2007-06-19 | Enviroscrub Technologies Corp. | Regeneration, pretreatment and precipitation of oxides of manganese |
| US20030059460A1 (en) * | 2001-09-27 | 2003-03-27 | Yasuhiko Tabata | Hybrid material for regeneration of living body tissue |
| BR0215343A (pt) * | 2001-12-21 | 2006-11-28 | Enviroscrub Technologies Corp | processo e sistema para pré-tratamento e regeneração de óxidos de manganês |
| US20040101457A1 (en) * | 2002-06-11 | 2004-05-27 | Pahlman John E. | Disassociation processing of metal oxides |
| US6953558B2 (en) * | 2002-09-06 | 2005-10-11 | Solutia, Inc. | Process for reducing nitrogen oxide emissions |
| KR20050103481A (ko) * | 2003-01-28 | 2005-10-31 | 엔바이로스크럽 테크놀러지스 코퍼레이션 | 연속 흐름 반응기에서 처리되는 망간 산화물 |
| US7488464B2 (en) * | 2003-07-31 | 2009-02-10 | Enviroscrub Technologies Corporation | Metal oxide processing methods and systems |
| US20080044333A1 (en) * | 2004-07-30 | 2008-02-21 | Hakka Leo E | Method and apparatus for NOx and Hg removal |
| CN1304404C (zh) * | 2005-07-08 | 2007-03-14 | 北京科技大学 | 一种镍金属有机超分子化合物 |
| MA37598B1 (fr) | 2012-05-02 | 2016-05-31 | Mecs Inc | Récupération régénérative de contaminants à partir de gaz d'effluent |
| CA2783349A1 (en) * | 2012-07-18 | 2014-01-18 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Environment | Decontamination of radionuclides on construction materials |
| ES2898386T3 (es) | 2013-03-15 | 2022-03-07 | Mecs Inc | Recuperación regenerativa de contaminantes a partir de gases efluentes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1251900B (de) * | 1967-10-12 | Heinrich Koppers Gesellschaft mit beschrankter Haftung, Essen | Verfahren zur Ent fernung von Stickstoffverbindungen aus Gasen | |
| NO120676B (enExample) * | 1964-11-11 | 1970-11-23 | Sincat Spa | |
| US3923954A (en) * | 1970-12-04 | 1975-12-02 | Jr Ernest Quentin Petrey | Method for, and composition used in, fluid treatment |
| JPS4949289B2 (enExample) * | 1972-09-12 | 1974-12-26 |
-
1974
- 1974-10-23 GB GB45927/74A patent/GB1482643A/en not_active Expired
- 1974-10-29 DE DE2451274A patent/DE2451274C3/de not_active Expired
- 1974-10-29 SE SE7413632A patent/SE413629B/xx unknown
- 1974-10-30 NO NO74743907A patent/NO136782C/no unknown
- 1974-10-30 CA CA212,631A patent/CA1067274A/en not_active Expired
- 1974-10-30 NL NL7414179A patent/NL7414179A/xx not_active Application Discontinuation
-
1975
- 1975-01-27 FR FR7502392A patent/FR2249702B1/fr not_active Expired
-
1976
- 1976-01-22 US US05/651,422 patent/US4087372A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2451274A1 (de) | 1975-05-15 |
| NL7414179A (nl) | 1975-05-02 |
| SE7413632L (enExample) | 1975-05-02 |
| SE413629B (sv) | 1980-06-16 |
| DE2451274B2 (de) | 1978-08-03 |
| FR2249702A1 (enExample) | 1975-05-30 |
| US4087372A (en) | 1978-05-02 |
| FR2249702B1 (enExample) | 1978-12-29 |
| NO743907L (enExample) | 1975-05-26 |
| NO136782B (no) | 1977-08-01 |
| GB1482643A (en) | 1977-08-10 |
| DE2451274C3 (de) | 1979-04-05 |
| NO136782C (no) | 1977-11-09 |
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