JP4958791B2 - 軽質ナフサをバイパスまたは除去することによる分解ナフサストリームの二段水素化脱硫 - Google Patents
軽質ナフサをバイパスまたは除去することによる分解ナフサストリームの二段水素化脱硫 Download PDFInfo
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- JP4958791B2 JP4958791B2 JP2007548280A JP2007548280A JP4958791B2 JP 4958791 B2 JP4958791 B2 JP 4958791B2 JP 2007548280 A JP2007548280 A JP 2007548280A JP 2007548280 A JP2007548280 A JP 2007548280A JP 4958791 B2 JP4958791 B2 JP 4958791B2
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- 238000000926 separation method Methods 0.000 claims description 51
- 238000009835 boiling Methods 0.000 claims description 44
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 38
- 229910052717 sulfur Inorganic materials 0.000 claims description 38
- 239000011593 sulfur Substances 0.000 claims description 38
- 239000003054 catalyst Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 28
- 150000001336 alkenes Chemical class 0.000 claims description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims description 23
- 239000001257 hydrogen Substances 0.000 claims description 23
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 8
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000003426 co-catalyst Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 12
- 150000004706 metal oxides Chemical class 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 7
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 4
- 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 4
- 241000282326 Felis catus Species 0.000 description 3
- 241000899793 Hypsophrys nicaraguensis Species 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- -1 cyclic olefins Chemical class 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 241000894007 species Species 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- 150000003464 sulfur compounds Chemical class 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 241000030614 Urania Species 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 229910003447 praseodymium oxide Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- PTISTKLWEJDJID-UHFFFAOYSA-N sulfanylidenemolybdenum Chemical compound [Mo]=S PTISTKLWEJDJID-UHFFFAOYSA-N 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 229910003452 thorium oxide Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
-
- 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
- C10G65/00—Treatment of hydrocarbon oils by two or more hydrotreatment processes only
- C10G65/02—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only
- C10G65/04—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
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- 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
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
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- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
- C10G2300/1044—Heavy gasoline or naphtha having a boiling range of about 100 - 180 °C
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- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
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- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/207—Acid gases, e.g. H2S, COS, SO2, HCN
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- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/30—Physical properties of feedstocks or products
- C10G2300/301—Boiling range
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- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4006—Temperature
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- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4012—Pressure
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- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4081—Recycling aspects
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- 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
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
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- General Chemical & Material Sciences (AREA)
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
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Description
a)前記オレフィン質ナフサ原料ストリームを、第一の水素化脱硫段において、水素および水素化脱硫触媒の存在下に、温度232℃(450゜F)〜427℃(800゜F)、圧力60〜800psig(515〜5,617kPa)および水素処理ガス比率1000〜6000標準立法フィート/バレル(178〜1,068m3/m3)を含む水素化脱硫反応条件で水素化脱硫して、前記有機結合硫黄の全てでなく、その少なくとも50重量%を硫化水素に転化し、第一の硫黄含有生成物ストリームを製造する工程;
b)前記第一の硫黄含有生成物ストリームを、温度200゜F(93℃)〜350゜F(177℃)で運転される第一の分離域へ導き、そこでそれを、向流する水素処理ガスの流れと接触させて、第一の低沸点ナフサ生成物ストリームおよび第一の高沸点ナフサ生成物ストリームを製造する工程であって、前記高沸点生成物ストリームは、前記第一の硫黄含有生成物ストリームからの硫黄の50重量%超を含む工程;
c)前記第一の低沸点ナフサ生成物ストリームを、前記第一の分離段の温度より少なくとも10℃(50゜F)低い温度で運転される第二の分離域へ導き、そこで第二の低沸点ナフサ生成物ストリームおよび第二の高沸点生成物ストリームを製造する工程であって、前記第二の高沸点生成物ストリームは、前記第一の低沸点ナフサ生成物ストリームからの硫黄の実質的に全てを含む工程;
d)前記第二の分離域からの前記第二の低沸点生成物ストリームを、前記第二の分離域の温度より少なくとも−1℃(30゜F)低い温度で保持される第三の分離域へ導くことにより、水素含有蒸気リサイクルストリームおよび脱硫ナフサ生成物ストリームをもたらす工程;
e)前記第一の分離域からの前記第一の高沸点ナフサ生成物ストリームと、前記第二の分離域からの前記第二の高沸点ナフサストリームの少なくとも一部を、第二の水素化脱硫段へ導いて、残存するあらゆる有機結合硫黄の少なくとも一部を硫化水素へ転化する工程であって、前記第二の水素化脱硫段は、水素処理ガスおよび水素化脱硫触媒の存在下に、温度232℃(450゜F)〜427℃(800゜F)、圧力60〜800psig(515〜5,617kPa)および水素処理ガス比率1000〜6000標準立法フィート/バレル(178〜1,068m3/m3)を含む水素化脱硫反応条件にある工程;
f)前記第三の分離域からの、前記水素含有蒸気リサイクルストリームの少なくとも一部を、前記第一の水素化脱硫段へリサイクルする工程;
g)実質的に全ての残存する水素を、前記第三の分離域からの前記脱硫ナフサ生成物ストリームからストリッピングする工程;および
h)前記ストリッピングされた高沸点ナフサ生成物ストリームを回収する工程
を含む。
Claims (8)
- オレフィン質ナフサ原料ストリームを、実質量のオレフィンを保持して水素化脱硫する方法であって、
前記原料ストリームは、50゜F(10℃)〜450゜F(232℃)の範囲で沸騰し、かつ有機結合硫黄および少なくとも5重量%のオレフィン含有量を含み、
a)前記オレフィン質ナフサ原料ストリームを、第一の水素化脱硫段において、水素および水素化脱硫触媒の存在下に、温度232℃(450゜F)〜427℃(800゜F)、圧力60〜800psig(515〜5,617kPa)および水素処理ガス比率1000〜6000標準立法フィート/バレル(178〜1,058m3/m3)を含む水素化脱硫反応条件で水素化脱硫して、前記有機結合硫黄の全てでなく、その少なくとも50重量%を硫化水素に転化し、第一の硫黄含有生成物ストリームを製造する工程;
b)前記第一の硫黄含有生成物ストリームを、温度93℃(200゜F)〜177℃(350゜F)で運転される第一の分離域へ導き、そこでそれを、向流する水素処理ガスの流れと接触させて、第一の低沸点ナフサ生成物ストリームおよび第一の高沸点ナフサ生成物ストリームを製造する工程であって、前記高沸点生成物ストリームは、前記第一の硫黄含有生成物ストリームからの硫黄の50重量%超を含む工程;
c)前記第一の低沸点ナフサ生成物ストリームを、前記第一の分離段の温度より少なくとも15℃(59゜F)低い温度で運転される第二の分離域へ導き、そこで第二の低沸点ナフサ生成物ストリームおよび第二の高沸点生成物ストリームを製造する工程であって、前記第二の高沸点生成物ストリームは、前記第一の低沸点ナフサ生成物ストリームからの硫黄の実質的に全てを含む工程;
d)前記第二の分離域からの前記第二の低沸点生成物ストリームを、前記第二の分離域の温度より少なくとも15℃(59゜F)低い温度で保持される第三の分離域へ導くことにより、水素含有蒸気リサイクルストリームおよび脱硫ナフサ生成物ストリームをもたらす工程;
e)前記第一の分離域からの前記第一の高沸点ナフサ生成物ストリームと、前記第二の分離域からの前記第二の高沸点ナフサストリームの少なくとも一部を、第二の水素化脱硫段へ導いて、残存するあらゆる有機結合硫黄の少なくとも一部を硫化水素へ転化する工程であって、前記第二の水素化脱硫段は、水素処理ガスおよび水素化脱硫触媒の存在下に、温度232℃(450゜F)〜427℃(800゜F)、圧力60〜800psig(515〜5,617kPa)および水素処理ガス比率1000〜6000標準立法フィート/バレル(178〜1,068m3/m3)を含む水素化脱硫反応条件にある工程;
f)前記第三の分離域からの、前記水素含有蒸気リサイクルストリームの少なくとも一部を、前記第一の水素化脱硫段へリサイクルする工程;
g)実質的に全ての残存する水素を、前記第三の分離域からの前記脱硫ナフサ生成物ストリームからストリッピングする工程;および
h)前記ストリッピングされた高沸点ナフサ生成物ストリームを回収する工程
を含むことを特徴とする方法。 - 前記第二の高沸点ナフサ生成物ストリームの少なくとも一部は、前記第一の分離域へ導かれ、流上する水素含有蒸気ストリームに対して向流に、下流へ流れることを特徴とする請求項1に記載の方法。
- 前記第三の分離域からの前記水素含有蒸気リサイクルストリームの少なくとも一部は、前記第一の分離域へ導かれ、そこでそれは、流下するナフサに向流して流れることを特徴とする請求項1または2に記載の方法。
- 前記第三の分離域からの前記水素含有蒸気リサイクルストリームは、アミン洗浄域へ導かれ、そこでH2Sが、前記水素含有蒸気リサイクルストリームから分離されることを特徴とする請求項1〜3のいずれかに記載の方法。
- 前記第一、第二または両水素化脱硫段の前記水素化脱硫触媒は、Co触媒成分、Mo触媒成分および担体成分からなり、前記Co成分は、その酸化物の形態として、前記担体に対して2〜20重量%の量で存在し、前記Mo成分は、その酸化物の形態として、前記担体に対して5〜50重量%の量で存在することを特徴とする請求項1〜4のいずれかに記載の方法。
- 前記Co成分は、その酸化物の形態として、前記担体に対して4〜12重量%の量で存在し、前記Mo成分は、その酸化物の形態で、前記担体に対して10〜40重量%の量で存在することを特徴とする請求項5に記載の方法。
- 前記水素化脱硫段の前記触媒は、次の特性:
(a)触媒の全重量を基準として、MoO3濃度2〜18重量%
(b)触媒の全重量を基準として、CoO濃度0.1〜6重量%
(c)Co/Mo原子比0.1〜1.0
(d)メジアン細孔直径60Å〜200Å
(e)MoO3表面濃度0.5×10−4〜3×10−4gMoO3/m2
(f)平均粒子サイズ直径2.0mm未満
によって特徴付けられることを特徴とする請求項1〜6のいずれかに記載の方法。 - (a)MoO3濃度は、4〜10重量%であり、(b)CoO濃度は、0.5〜5.5重量%であり、(c)Co/Mo原子比は、0.20〜0.80であり、(d)メジアン細孔直径は、75Å〜175Åであり、(e)MoO3表面濃度は、0.75×10−4〜2.5×10−4gMoO3/m2であり、(f)平均粒子サイズ直径は、1.6mm未満であることを特徴とする請求項7に記載の方法。
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