JP6521124B2 - 含硫黄化合物の除去方法 - Google Patents
含硫黄化合物の除去方法 Download PDFInfo
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- JP6521124B2 JP6521124B2 JP2018035098A JP2018035098A JP6521124B2 JP 6521124 B2 JP6521124 B2 JP 6521124B2 JP 2018035098 A JP2018035098 A JP 2018035098A JP 2018035098 A JP2018035098 A JP 2018035098A JP 6521124 B2 JP6521124 B2 JP 6521124B2
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- Prior art keywords
- sulfur
- hydrocarbon
- ppm
- nitrite
- crude
- Prior art date
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims description 55
- 150000001875 compounds Chemical class 0.000 title claims description 55
- 239000011593 sulfur Substances 0.000 title claims description 55
- 229910052717 sulfur Inorganic materials 0.000 title claims description 55
- 238000000034 method Methods 0.000 title claims description 36
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 135
- 229930195733 hydrocarbon Natural products 0.000 claims description 73
- 150000002430 hydrocarbons Chemical class 0.000 claims description 73
- 239000004215 Carbon black (E152) Substances 0.000 claims description 62
- -1 amide compound Chemical class 0.000 claims description 50
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 36
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 36
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 20
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 18
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 15
- 239000007788 liquid Substances 0.000 description 12
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 10
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 238000009835 boiling Methods 0.000 description 7
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 6
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 6
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 235000010288 sodium nitrite Nutrition 0.000 description 5
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 4
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 3
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 3
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 3
- 150000002826 nitrites Chemical class 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- RADKZDMFGJYCBB-UHFFFAOYSA-N Pyridoxal Chemical compound CC1=NC=C(CO)C(C=O)=C1O RADKZDMFGJYCBB-UHFFFAOYSA-N 0.000 description 2
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- WTWBUQJHJGUZCY-UHFFFAOYSA-N cuminaldehyde Chemical compound CC(C)C1=CC=C(C=O)C=C1 WTWBUQJHJGUZCY-UHFFFAOYSA-N 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 2
- QYZLKGVUSQXAMU-UHFFFAOYSA-N penta-1,4-diene Chemical compound C=CCC=C QYZLKGVUSQXAMU-UHFFFAOYSA-N 0.000 description 2
- DTUQWGWMVIHBKE-UHFFFAOYSA-N phenylacetaldehyde Chemical compound O=CCC1=CC=CC=C1 DTUQWGWMVIHBKE-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 235000010289 potassium nitrite Nutrition 0.000 description 2
- 239000004304 potassium nitrite Substances 0.000 description 2
- SUVIGLJNEAMWEG-UHFFFAOYSA-N propane-1-thiol Chemical compound CCCS SUVIGLJNEAMWEG-UHFFFAOYSA-N 0.000 description 2
- KJRCEJOSASVSRA-UHFFFAOYSA-N propane-2-thiol Chemical compound CC(C)S KJRCEJOSASVSRA-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 150000003464 sulfur compounds Chemical class 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- KJPRLNWUNMBNBZ-QPJJXVBHSA-N (E)-cinnamaldehyde Chemical compound O=C\C=C\C1=CC=CC=C1 KJPRLNWUNMBNBZ-QPJJXVBHSA-N 0.000 description 1
- FVHAWXWFPBPFOS-UHFFFAOYSA-N 1,2-dimethyl-3-nitrobenzene Chemical group CC1=CC=CC([N+]([O-])=O)=C1C FVHAWXWFPBPFOS-UHFFFAOYSA-N 0.000 description 1
- SCEKDQTVGHRSNS-UHFFFAOYSA-N 1,3,5-trimethyl-2-nitrobenzene Chemical group CC1=CC(C)=C([N+]([O-])=O)C(C)=C1 SCEKDQTVGHRSNS-UHFFFAOYSA-N 0.000 description 1
- WDCYWAQPCXBPJA-UHFFFAOYSA-N 1,3-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC([N+]([O-])=O)=C1 WDCYWAQPCXBPJA-UHFFFAOYSA-N 0.000 description 1
- ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-Ethyl-2-pyrrolidinone Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 description 1
- VUQMOERHEHTWPE-UHFFFAOYSA-N 1-ethylpiperidin-2-one Chemical compound CCN1CCCCC1=O VUQMOERHEHTWPE-UHFFFAOYSA-N 0.000 description 1
- GGYVTHJIUNGKFZ-UHFFFAOYSA-N 1-methylpiperidin-2-one Chemical compound CN1CCCCC1=O GGYVTHJIUNGKFZ-UHFFFAOYSA-N 0.000 description 1
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
- GGGVOOMKPJYWDF-UHFFFAOYSA-N 2,4,6-trinitroxylene Chemical group CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C(C)=C1[N+]([O-])=O GGGVOOMKPJYWDF-UHFFFAOYSA-N 0.000 description 1
- FRXFKSPCPCSYJR-UHFFFAOYSA-N 2-methylcyclopentane-1-thiol Chemical compound CC1CCCC1S FRXFKSPCPCSYJR-UHFFFAOYSA-N 0.000 description 1
- PBIYBJQGNNEMLZ-UHFFFAOYSA-N 3-methylcyclopentane-1-thiol Chemical compound CC1CCC(S)C1 PBIYBJQGNNEMLZ-UHFFFAOYSA-N 0.000 description 1
- NOEGNKMFWQHSLB-UHFFFAOYSA-N 5-hydroxymethylfurfural Chemical compound OCC1=CC=C(C=O)O1 NOEGNKMFWQHSLB-UHFFFAOYSA-N 0.000 description 1
- WVDYBOADDMMFIY-UHFFFAOYSA-N Cyclopentanethiol Chemical compound SC1CCCC1 WVDYBOADDMMFIY-UHFFFAOYSA-N 0.000 description 1
- 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 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003934 aromatic aldehydes Chemical class 0.000 description 1
- IZALUMVGBVKPJD-UHFFFAOYSA-N benzene-1,3-dicarbaldehyde Chemical compound O=CC1=CC=CC(C=O)=C1 IZALUMVGBVKPJD-UHFFFAOYSA-N 0.000 description 1
- WFYPICNXBKQZGB-UHFFFAOYSA-N butenyne Chemical group C=CC#C WFYPICNXBKQZGB-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 229940117916 cinnamic aldehyde Drugs 0.000 description 1
- KJPRLNWUNMBNBZ-UHFFFAOYSA-N cinnamic aldehyde Natural products O=CC=CC1=CC=CC=C1 KJPRLNWUNMBNBZ-UHFFFAOYSA-N 0.000 description 1
- CMKBCTPCXZNQKX-UHFFFAOYSA-N cyclohexanethiol Chemical compound SC1CCCCC1 CMKBCTPCXZNQKX-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- CNUDBTRUORMMPA-UHFFFAOYSA-N formylthiophene Chemical compound O=CC1=CC=CS1 CNUDBTRUORMMPA-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- RJGBSYZFOCAGQY-UHFFFAOYSA-N hydroxymethylfurfural Natural products COC1=CC=C(C=O)O1 RJGBSYZFOCAGQY-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- AAJBNRZDTJPMTJ-UHFFFAOYSA-L magnesium;dinitrite Chemical compound [Mg+2].[O-]N=O.[O-]N=O AAJBNRZDTJPMTJ-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 1
- DKLYDESVXZKCFI-UHFFFAOYSA-N n,n-diphenylacetamide Chemical compound C=1C=CC=CC=1N(C(=O)C)C1=CC=CC=C1 DKLYDESVXZKCFI-UHFFFAOYSA-N 0.000 description 1
- DCNUQRBLZWSGAV-UHFFFAOYSA-N n,n-diphenylformamide Chemical compound C=1C=CC=CC=1N(C=O)C1=CC=CC=C1 DCNUQRBLZWSGAV-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- FSSVIYSWRLKICW-UHFFFAOYSA-N n-ethyl-n-phenylacetamide Chemical compound CCN(C(C)=O)C1=CC=CC=C1 FSSVIYSWRLKICW-UHFFFAOYSA-N 0.000 description 1
- GBDYFPAHVXJQEP-UHFFFAOYSA-N n-ethyl-n-phenylformamide Chemical compound CCN(C=O)C1=CC=CC=C1 GBDYFPAHVXJQEP-UHFFFAOYSA-N 0.000 description 1
- LMTGCJANOQOGPI-UHFFFAOYSA-N n-methyl-n-phenylacetamide Chemical compound CC(=O)N(C)C1=CC=CC=C1 LMTGCJANOQOGPI-UHFFFAOYSA-N 0.000 description 1
- JIKUXBYRTXDNIY-UHFFFAOYSA-N n-methyl-n-phenylformamide Chemical compound O=CN(C)C1=CC=CC=C1 JIKUXBYRTXDNIY-UHFFFAOYSA-N 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- VLZLOWPYUQHHCG-UHFFFAOYSA-N nitromethylbenzene Chemical compound [O-][N+](=O)CC1=CC=CC=C1 VLZLOWPYUQHHCG-UHFFFAOYSA-N 0.000 description 1
- RAFRTSDUWORDLA-UHFFFAOYSA-N phenyl 3-chloropropanoate Chemical compound ClCCC(=O)OC1=CC=CC=C1 RAFRTSDUWORDLA-UHFFFAOYSA-N 0.000 description 1
- 229940100595 phenylacetaldehyde Drugs 0.000 description 1
- ZWLUXSQADUDCSB-UHFFFAOYSA-N phthalaldehyde Chemical compound O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 description 1
- 229960003581 pyridoxal Drugs 0.000 description 1
- 235000008164 pyridoxal Nutrition 0.000 description 1
- 239000011674 pyridoxal Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G29/00—Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals
- C10G29/20—Organic compounds not containing metal atoms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/06—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used
- C10G21/12—Organic compounds only
- C10G21/27—Organic compounds not provided for in a single one of groups C10G21/14 - C10G21/26
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Description
(A)二硫化炭素およびメルカプタン類からなる群から選択される1種以上の含硫黄化合物を含む粗製炭化水素を、アミド化合物および亜硝酸塩と接触させる工程を含む、含硫黄化合物の除去方法。
(B)前記(A)に記載の含硫黄化合物の除去方法を含む精製炭化水素の製造方法。
カラム DB−1 長さ30m、内径0.32mm、膜厚0.25μm)
カラム温度 40℃で10分保持、その後毎分10℃で昇温し、250℃で3分保持
注入口温度 140℃
キャリアーガス ヘリウム(毎分流量1.17ml)
検出器 アジレント社製355化学発光硫黄検出器(SCD)
攪拌機付きステンレス製耐圧容器に、二硫化炭素を13.3ppm、エチルメルカプタンを2.0ppm含有する粗製C5留分液(組成:C4(炭素数4の炭化水素) 2.1%、ノルマルペンタン22.0%、イソペンタン20.1%、アミレン6.9%、イソアミレン7.4%、1,4−ペンタジエン1.5%、イソプレン15.6%、ピペリレン10.6%、シクロペンタン1.1%、シクロペンテン2.5%、シクロペンタジエン6.6%、C6(炭素数6の炭化水素) 3.6%)を69.0部、ジメチルホルムアミドを97.4%、フルフラールを2.6%、亜硝酸ナトリウムを0.7ppm含有する溶液を323.6部仕込んだ。この2液の混合溶液を撹拌しながら120℃に昇温し、1時間保持した後、液温を120℃〜160℃に保ちながら容器上部よりガス状のC5留分を抜き出したところ、二硫化炭素を9.8ppm、エチルメルカプタンを1.3ppm含有する精製C5留分を67.6部得た。また、容器内には二硫化炭素、エチルメルカプタン共含有しない溶液が309.3部残留した。この結果、粗製C5留分に含まれる二硫化炭素の27.8%、エチルメルカプタンの36.3%を除去した。
攪拌機付きステンレス製耐圧容器に、二硫化炭素を26.9ppm、エチルメルカプタンを1.8ppm含有する粗製C5留分液(組成:C4(炭素数4の炭化水素) 2.1%、ノルマルペンタン22.0%、イソペンタン20.1%、アミレン6.9%、イソアミレン7.4%、1,4−ペンタジエン1.5%、イソプレン15.6%、ピペリレン10.6%、シクロペンタン1.1%、シクロペンテン2.5%、シクロペンタジエン6.6%、C6(炭素数6の炭化水素) 3.6%)を64.4部、ジメチルホルムアミドを97.4%、フルフラールを2.6%含有し亜硝酸ナトリウムを含有しない溶液を303.3部仕込んだ。この2液の混合溶液を撹拌しながら120℃に昇温し、1時間保持した後、液温を120℃〜160℃に保ちながら容器上部よりガス状のC5留分を抜き出したところ、二硫化炭素を27.1ppm、エチルメルカプタンを1.8ppm含有するC5留分を63.9部得た。また、容器内には二硫化炭素、エチルメルカプタン共含有しない溶液が288.6部残留した。この結果、粗製C5留分に含まれる二硫化炭素は除去されず、エチルメルカプタンも0.8%除去されるに留まった。
攪拌機付きステンレス製耐圧容器に、二硫化炭素を149.6ppm、エチルメルカプタンを13.4ppm含有する粗製C5留分液(組成:イソプレン94.1%、2−ブチン2.8%)を8.6部、ジメチルホルムアミドを96.1%、フルフラールを3.9%、亜硝酸ナトリウムを8.9ppm含有する溶液を46.4部仕込んだ。この混合溶液を撹拌しながら120℃に昇温し、1時間保持した後、液温を120℃〜160℃に保ちながら容器上部よりガス状のC5留分を抜き出したところ、二硫化炭素を19.2ppm、エチルメルカプタンを9.1ppm含有する精製C5留分を8.6部得た。また、容器内には二硫化炭素、エチルメルカプタン共含有しない溶液が42.1部残留した。この結果、粗製C5留分に含まれる二硫化炭素の87.2%、エチルメルカプタンの32.1%を除去した。
攪拌機付きステンレス製耐圧容器に、二硫化炭素を34.0ppm、エチルメルカプタンを9.0ppm含有する粗製C5留分液(組成:イソプレン94.1%、2−ブチン2.8%)を9.6部、ジメチルホルムアミドを96.1%、フルフラールを3.9%、亜硝酸ナトリウムを3.3ppm含有する溶液を51.8部仕込んだ。この2液の混合溶液を撹拌しながら120℃に昇温し、1時間保持した後、液温を120℃〜160℃に保ちながら容器上部よりガス状のC5留分を抜き出したところ、二硫化炭素を8.3ppm、エチルメルカプタンを5.7ppm含有する精製C5留分を9.6部得た。また、容器内には二硫化炭素、エチルメルカプタン共含有しない溶液が45.2部残留した。この結果、粗製C5留分に含まれる二硫化炭素の75.6%、エチルメルカプタンの36.7%を除去した。
以上の結果を下表にまとめる。
2…側面下部配管
3…接触容器(耐圧容器)
4…頂部配管
5…底部配管
Claims (7)
- 二硫化炭素およびメルカプタン類からなる群から選択される1種以上の含硫黄化合物を含む粗製炭化水素を、亜硝酸塩を0.5〜50ppm含有するアミド化合物と接触させる工程を含む、含硫黄化合物の除去方法。
- 前記粗製炭化水素が、炭素数4の炭化水素を主成分とするC4留分または炭素数5の炭化水素を主成分とするC5留分である請求項1に記載の含硫黄化合物の除去方法。
- 前記粗製炭化水素を、アミド化合物および亜硝酸塩と接触させる工程の後、アミド化合物および亜硝酸塩から分離し、含硫黄化合物の含有量が低減された精製炭化水素を回収する蒸留工程をさらに含む請求項1に記載の含硫黄化合物の除去方法。
- 前記粗製炭化水素を、アミド化合物および亜硝酸塩と接触させる工程の後、アミド化合物および亜硝酸塩から分離し、含硫黄化合物の含有量が低減された精製炭化水素を回収する蒸留工程をさらに含む請求項2に記載の含硫黄化合物の除去方法。
- 前記粗製炭化水素中の含硫黄化合物含量が1ppm以上10,000ppm以下であり、前記精製炭化水素中の含硫黄化合物含量が300ppm以下かつ該粗製炭化水素中の含硫黄化合物含量より低い値である請求項3に記載の含硫黄化合物の除去方法。
- 前記粗製炭化水素中の含硫黄化合物含量が1ppm以上10,000ppm以下であり、前記精製炭化水素中の含硫黄化合物含量が300ppm以下かつ該粗製炭化水素中の含硫黄化合物含量より低い値である請求項4に記載の含硫黄化合物の除去方法。
- 請求項3〜6のいずれか1項に記載の含硫黄化合物の除去方法を含む精製炭化水素の製造方法。
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