JP4740544B2 - ナフサストリームの選択的水素化脱硫 - Google Patents
ナフサストリームの選択的水素化脱硫 Download PDFInfo
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- JP4740544B2 JP4740544B2 JP2003582249A JP2003582249A JP4740544B2 JP 4740544 B2 JP4740544 B2 JP 4740544B2 JP 2003582249 A JP2003582249 A JP 2003582249A JP 2003582249 A JP2003582249 A JP 2003582249A JP 4740544 B2 JP4740544 B2 JP 4740544B2
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- naphtha
- hydrodesulfurization
- stream
- feed stream
- olefin
- Prior art date
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 38
- 150000001336 alkenes Chemical class 0.000 claims description 38
- 229910052717 sulfur Inorganic materials 0.000 claims description 38
- 239000011593 sulfur Substances 0.000 claims description 38
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 32
- 239000003054 catalyst Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 26
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 7
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 3
- 239000003426 co-catalyst Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 description 10
- 230000023556 desulfurization Effects 0.000 description 10
- 238000005984 hydrogenation reaction Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 241000282326 Felis catus Species 0.000 description 4
- 238000001816 cooling Methods 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
- 239000000463 material Substances 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000899793 Hypsophrys nicaraguensis Species 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 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
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 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
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000005909 Kieselgur Substances 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
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 241000030614 Urania Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 238000013459 approach Methods 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
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000011278 co-treatment Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- -1 cyclic olefins Chemical class 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 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
- 239000007788 liquid Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 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
- 239000002245 particle Substances 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
- 229910003447 praseodymium oxide Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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
- 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
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
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)
- Catalysts (AREA)
Description
a)有効量の実質的にオレフィンを含まないナフサストリームを、オレフィン性分解ナフサストリームと混合する工程であって、前記両ナフサストリームは、硫黄を含む工程;および
b)前記ナフサストリーム混合物を、水素化脱硫触媒の存在下で、約230〜約425℃の温度、約60〜約800psigの圧力および約1000〜約6000標準立法フィート/バレルの水素処理ガス比を含む反応条件で選択的に水素化脱硫する工程
を含み、
メルカプタン復帰を最小にすることを特徴とする脱硫方法に関する。
(a)触媒の全重量を基準として、約1〜10重量%、好ましくは約2〜8重量%、より好ましくは約4〜6重量%のMoO3濃度;(b)同じく触媒の全重量を基準として、約0.1〜5重量%、好ましくは約0.5〜4重量%、より好ましくは約1〜3重量%のCoO濃度;(c)約0.1〜約1.0、好ましくは約0.20〜約0.80、より好ましくは約0.25〜約0.72のCo/Mo原子比;(d)約60〜約200Å、好ましくは約75〜約175Å、より好ましくは約80〜約150Åの中間細孔直径;(e)約0.5×10−4〜約3×10−4gMoO3/m2、好ましくは約0.75×10−4〜約2.5×10−4、より好ましくは約1×10−4〜約2×10−4の表面MoO3濃度;および(f)2.0mm未満,好ましくは約1.6mm未満、より好ましくは約1.4mm未満、最も好ましくは、商業的水素化脱硫プロセス装置に対して実用的に小さい平均粒度径を有する。最も好ましい触媒はまた、非特許文献1(参照により本明細書に組み入れられる)に記載の酸素化学吸着試験によって測定される、金属硫化物エッジ面面積が大きい。酸素化学吸着試験は、急速に触媒床を横切るように、酸素パルスをキャリアーガスストリームに加えて行われるエッジ面面積測定を含む。例えば、酸素化学吸着は、約800〜2,800、好ましくは約1,000〜2,200、より好ましくは約1,200〜2,000μmol酸素/グラムMoO3である。用語「水素化」および「水素化脱硫」は、しばしば、当業者により置換え可能で用いられる。
この実施例においては、下記表1に示される原料材特性を有する二つの原料について、オレフィン性分解ナフサおよび実質的にオレフィンを含まないナフサ(SOFナフサ)の個別水素化に対して予想されるオクタン損失を確認する。オレフィン性分解ナフサは、キャットナフサであり、SOFナフサは、バージンナフサであった。MoO3約4.3重量%およびCoO1.2重量%を、表面積約280m2/g、中間細孔径約95Åのアルミナ担体に担持してなる触媒により、高硫黄のキャットナフサを選択的に水素化して、86wppmの硫黄を有する生成物を製造する。この目標を達するのに必要な条件を下記表2に示す。条件および得られる生成物の品質は、パイロットプラントのデータベースから展開された動力学的モデルに基いて予測される。
この実施例においては、本明細書の実施例1の、オレフィン性分解ナフサおよびSOFナフサの組み合わせに対して予想されるオクタン価損失を確認し、これが実施例1の個別処理手法に対するものより少ないことを示す。下記表4は、未処理のオレフィン性分解とSOFナフサを混合することによって形成された原料(容量部で12:15の比率)について、選択された特性を示す。この組み合わせ原料の硫黄レベルを硫黄41wppmに低減するために必要な条件もまた、この表4に示す。
Claims (4)
- 選択的水素化脱硫により硫黄およびオレフィンの両者を含むナフサ原料ストリームを、オクタン価損失を低減させつつ、水素化脱硫する方法であって、
該方法は、
a)有効量の実質的にオレフィンを含まないナフサ原料ストリームを、オレフィン性分解ナフサ原料ストリームと混合する工程であって、前記オレフィン性分解ナフサ原料ストリームは、硫黄を含み、前記原料ストリームの全重量を基準として少なくとも5重量%のオレフィン含有量を有し、かつ前記混合物中の各ストリームは、232.2℃以下のナフサ沸点を有する工程;および
b)前記ナフサ混合物を、水素化脱硫触媒の存在下で、260〜355℃の温度、60〜800psig(414〜5516kPag)の圧力および1000〜6000標準立法フィート/バレル(170〜1020m3/m3)の水素処理ガス比を含む反応条件で選択的に水素化脱硫する工程であって、水素化脱硫された生成物ストリームを製造するためにメルカプタン復帰を最小にする工程
を含み、
前記水素化脱硫触媒は、Mo触媒成分、Co触媒成分および担体成分を含み、前記Mo成分は、MoO3として計算して1〜10重量%の量で存在し、前記Co成分は、CoOとして計算して0.1〜5重量%の量で存在し、0.1〜1のCo/Mo原子比を有し、
前記オレフィン性分解ナフサ原料ストリームは、7000wppmまでの硫黄および60重量%までのオレフィンを含み、最終的な水素化脱硫は、オレフィン飽和が60%を超えず、原料硫黄を少なくとも90%低減し、かつ
前記オレフィン性分解ナフサ原料ストリーム混合割合分を除いた、前記実質的にオレフィンを含まないナフサ原料ストリーム割合分のみを、選択的水素化脱硫した際には、前記実質的にオレフィンを含まないナフサ原料ストリームおよび前記オレフィン性分解ナフサ原料ストリームの前記割合での混合物を同一条件で選択的水素化脱硫した時のロードオクタン価(RON)損失より、少なくとも1/10より大きいロードオクタン価損失をもたらす、
ことを特徴とする水素化脱硫方法。 - 前記ナフサ混合物中の、前記実質的にオレフィンを含まないナフサ原料ストリームの量は、10〜80重量%であることを特徴とする請求項1に記載の水素化脱硫方法。
- 前記実質的にオレフィンを含まないナフサ原料ストリームのみを選択的水素化脱硫した際のロードオクタン価(RON)損失が、前記混合物を選択的水素化脱硫した際のロードオクタン価(RON)損失より、少なくとも1/5より大きいことを特徴とする請求項1に記載の水素化脱硫方法。
- 前記実質的にオレフィンを含まないナフサ原料ストリームのみを選択的水素化脱硫した際のロードオクタン価(RON)損失が、前記混合物を選択的水素化脱硫した際のロードオクタン価(RON)損失より、少なくとも3/10より大きいことを特徴とする請求項1に記載の水素化脱硫方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36944902P | 2002-04-02 | 2002-04-02 | |
US60/369,449 | 2002-04-02 | ||
US10/372,864 | 2003-02-24 | ||
US10/372,864 US7220352B2 (en) | 2002-04-02 | 2003-02-24 | Selective hydrodesulfurization of naphtha streams |
PCT/US2003/008031 WO2003085068A1 (en) | 2002-04-02 | 2003-03-14 | Selective hydrodesulfurization of naphtha streams |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005528468A JP2005528468A (ja) | 2005-09-22 |
JP4740544B2 true JP4740544B2 (ja) | 2011-08-03 |
Family
ID=28457303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003582249A Expired - Fee Related JP4740544B2 (ja) | 2002-04-02 | 2003-03-14 | ナフサストリームの選択的水素化脱硫 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7220352B2 (ja) |
EP (1) | EP1507839A1 (ja) |
JP (1) | JP4740544B2 (ja) |
AU (1) | AU2003220318B2 (ja) |
CA (1) | CA2480168C (ja) |
NO (1) | NO20044750L (ja) |
WO (1) | WO2003085068A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7785461B2 (en) | 2004-11-10 | 2010-08-31 | Petroleo Brasileiro S.A. - Petrobras | Process for selective hydrodesulfurization of naphtha |
KR20080004631A (ko) * | 2005-04-26 | 2008-01-09 | 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 | 올레핀 함유 탄화수소 공급원료의 선택적 수첨탈황 방법 |
BRPI0601787B1 (pt) | 2006-05-17 | 2016-06-07 | Petroleo Brasileiro Sa | processo de hidrodessulfurização seletiva de nafta |
US7749375B2 (en) | 2007-09-07 | 2010-07-06 | Uop Llc | Hydrodesulfurization process |
US7875167B2 (en) * | 2007-12-31 | 2011-01-25 | Exxonmobil Research And Engineering Company | Low pressure selective desulfurization of naphthas |
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- 2003-02-24 US US10/372,864 patent/US7220352B2/en not_active Expired - Lifetime
- 2003-03-14 CA CA2480168A patent/CA2480168C/en not_active Expired - Fee Related
- 2003-03-14 JP JP2003582249A patent/JP4740544B2/ja not_active Expired - Fee Related
- 2003-03-14 AU AU2003220318A patent/AU2003220318B2/en not_active Ceased
- 2003-03-14 WO PCT/US2003/008031 patent/WO2003085068A1/en active Application Filing
- 2003-03-14 EP EP03716616A patent/EP1507839A1/en not_active Withdrawn
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2004
- 2004-11-02 NO NO20044750A patent/NO20044750L/no not_active Application Discontinuation
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JPS4822961B1 (ja) * | 1966-10-28 | 1973-07-10 | ||
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WO2001040409A1 (en) * | 1999-12-03 | 2001-06-07 | Exxon Research And Engineering Company | Naphtha desulfurization with reduced mercaptan formation |
Also Published As
Publication number | Publication date |
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JP2005528468A (ja) | 2005-09-22 |
AU2003220318A1 (en) | 2003-10-20 |
NO20044750L (no) | 2004-11-02 |
EP1507839A1 (en) | 2005-02-23 |
CA2480168A1 (en) | 2003-10-16 |
US20030183556A1 (en) | 2003-10-02 |
US7220352B2 (en) | 2007-05-22 |
CA2480168C (en) | 2011-03-22 |
AU2003220318B2 (en) | 2008-11-20 |
WO2003085068A1 (en) | 2003-10-16 |
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