EP2125995A1 - Herstellung von niedermolekularen kohlenwasserstoffen - Google Patents
Herstellung von niedermolekularen kohlenwasserstoffenInfo
- Publication number
- EP2125995A1 EP2125995A1 EP07814899A EP07814899A EP2125995A1 EP 2125995 A1 EP2125995 A1 EP 2125995A1 EP 07814899 A EP07814899 A EP 07814899A EP 07814899 A EP07814899 A EP 07814899A EP 2125995 A1 EP2125995 A1 EP 2125995A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- molecular weight
- hydrocarbon
- catalytic composition
- admixing
- aqueous
- 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.)
- Granted
Links
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 176
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 170
- 238000004519 manufacturing process Methods 0.000 title description 4
- 239000000203 mixture Substances 0.000 claims abstract description 103
- 238000000034 method Methods 0.000 claims abstract description 86
- 230000003197 catalytic effect Effects 0.000 claims abstract description 73
- 229910002090 carbon oxide Inorganic materials 0.000 claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005336 cracking Methods 0.000 claims abstract description 20
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 111
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 59
- 239000003085 diluting agent Substances 0.000 claims description 47
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 37
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 34
- 239000001569 carbon dioxide Substances 0.000 claims description 34
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 23
- -1 transition metal salt Chemical class 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 22
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 229910052723 transition metal Inorganic materials 0.000 claims description 17
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000292 calcium oxide Substances 0.000 claims description 15
- 239000000295 fuel oil Substances 0.000 claims description 14
- 229910052810 boron oxide Inorganic materials 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 10
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 241000876852 Scorias Species 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 7
- 229960002089 ferrous chloride Drugs 0.000 claims description 7
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical group Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000011269 tar Substances 0.000 claims description 6
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 238000007865 diluting Methods 0.000 claims description 3
- 239000005335 volcanic glass Substances 0.000 claims description 3
- 150000001924 cycloalkanes Chemical class 0.000 claims description 2
- 239000008262 pumice Substances 0.000 claims description 2
- 239000011026 pyroclastic rock Substances 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 50
- 238000005984 hydrogenation reaction Methods 0.000 abstract description 16
- 239000003921 oil Substances 0.000 description 90
- 238000002474 experimental method Methods 0.000 description 80
- 239000000047 product Substances 0.000 description 36
- 239000000839 emulsion Substances 0.000 description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000002243 precursor Substances 0.000 description 19
- 239000003054 catalyst Substances 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 18
- 239000007789 gas Substances 0.000 description 18
- 230000009467 reduction Effects 0.000 description 18
- 238000012360 testing method Methods 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 15
- 238000009835 boiling Methods 0.000 description 15
- 230000008859 change Effects 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- 238000011282 treatment Methods 0.000 description 13
- 230000007423 decrease Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000003245 coal Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 238000011068 loading method Methods 0.000 description 9
- 239000010426 asphalt Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 229910052681 coesite Inorganic materials 0.000 description 7
- 229910052906 cristobalite Inorganic materials 0.000 description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 7
- 150000002894 organic compounds Chemical class 0.000 description 7
- 229910052682 stishovite Inorganic materials 0.000 description 7
- 229910052905 tridymite Inorganic materials 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011398 Portland cement Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000011020 pilot scale process Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000002253 acid Substances 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
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910052604 silicate mineral Inorganic materials 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 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 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229960004592 isopropanol Drugs 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000007764 o/w emulsion Substances 0.000 description 2
- 239000010450 olivine Substances 0.000 description 2
- 229910052609 olivine Inorganic materials 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 239000011345 viscous material Substances 0.000 description 2
- 239000002569 water oil cream Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical group 0.000 description 1
- 229910052612 amphibole Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical group [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000012018 catalyst precursor Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011850 initial investigation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000011545 laboratory measurement Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 239000005332 obsidian Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229910052655 plagioclase feldspar Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052611 pyroxene Inorganic materials 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
- C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
- C10G47/12—Inorganic carriers
-
- 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
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
Definitions
- the present invention relates generally to processes for upgrading (cracking and hydrogenation) of high molecular weight hydrocarbons using a catalytic composition at moderate temperatures, methods for stabilizing the upgraded product, and methods for reducing carbon oxides using a catalytic composition.
- the upgrading of viscous high molecular weight hydrocarbons to form lower viscosity, lighter weight molecular hydrocarbon mixtures has long been studied. Traditionally, this involved the cracking and hydrogenating of the hydrocarbon molecules that make-up the high molecular weight viscous material at extremely high temperature and pressure. To improve the efficiency of this process, the inventor of the subject application developed a process for upgrading these viscous materials under substantially less rigorous conditions. The process involves contacting an aqueous catalytic composition with high molecular weight hydrocarbons to produce a lower molecular weight hydrocarbon product, and recovering the lower molecular weight hydrocarbon product.
- the catalytic composition comprises cement (preferably Portland cement), a volcanic ash component, titanium dioxide, and a transition metal salt.
- the product of the process of the invention can be further improved by subjecting the product of a first treatment with the aqueous catalytic composition to additional treatments, with or without the addition of a diluent (e.g., a hydrocarbon based solvent), to further upgrade the product.
- a diluent e.g., a hydrocarbon based solvent
- This technique may be done under the same or less rigorous conditions as the first treatment and is of particular value with certain high molecular weight hydrocarbon feed stocks, such as heavy oil and bitumen.
- Another embodiment of the invention is the discovery of techniques that stabilize, i.e., hold substantially constant the viscosity and/or density, of the upgraded product.
- These techniques include adding a diluting hydrocarbon to the product of the upgrading reaction.
- the diluent is added in an amount ranging from about 5 to about 15% by weight based upon 100% total weight of the lower molecular weight hydrocarbon.
- These stabilizing techniques are useful in all types of oils but are particularly useful in heavy oils and bitumen that have higher polar (resin), aromatic, and asphaltene contents.
- the amount of diluent added can be selected to achieve a desired concentration of low molecular weight hydrocarbon product suitable for the intended transportation method (e.g., pipeline transport or trucking specification).
- a still further finding is that the presence and/or the addition of carbon dioxide (CO 2 ) to the process produces reaction products greatly reduced in carbon oxides, enhances viscosity and density reduction, and stabilizes the product (e.g., stabilizes the density and/or viscosity of the product).
- Heavy oil frequently contains entrained carbon dioxide from the oil formation or from injection of carbon dioxide into the well to increase production.
- the heavy oil used in the tests discussed below contained up to about 5% entrained carbon dioxide.
- the inventive method creates valuable hydrocarbon products from carbon dioxide that is a disposal and environmental liability otherwise.
- the inventive method can also convert carbon oxides from other sources (such as the burners used to heat the oil- in- water emulsion for the upgrading process of the present invention, as well as exhausts from coal burning furnaces, Fischer- Tropsch systems for the generation of hydrogen (H 2 ), and natural gas burning) into useful organic compounds without inhibiting the upgrading process.
- sources such as the burners used to heat the oil- in- water emulsion for the upgrading process of the present invention, as well as exhausts from coal burning furnaces, Fischer- Tropsch systems for the generation of hydrogen (H 2 ), and natural gas burning
- the organic compounds e.g., hydrocarbons and alcohols
- the catalytic composition can, in an aqueous mixture or emulsion, convert carbon oxides, most specifically carbon dioxide, to organic compounds free or substantially free of such carbon oxides.
- This conversion process can be performed in the presence or absence of hydrocarbons (such as high molecular weight hydrocarbons and lower molecular weight hydrocarbons).
- the aqueous catalytic composition can be prepared, for example, by admixing and reacting, in an aqueous solution, a transition metal salt and particles of silicon dioxide, aluminum oxide, ferric oxide, calcium oxide, and titania or boron oxide.
- Fig. 1 depicts an overview of one illustrative embodiment of the inventive method for upgrading high molecular weight hydrocarbons and converting carbon oxides to light hydrocarbons.
- Figs. 2-5 are scanning electron microscope photographs of the particles suspended in the aqueous catalytic composition. Detailed Description of the Invention
- the upgrading process of the invention is carried out at relatively moderate temperature (preferably less than about 200° C and more preferably less than about 15O 0 C) in the presence of an aqueous catalytic composition.
- the pressure utilized is generally ambient or subject to whatever pressure may build up from the pumping of fluids and other inherent process steps.
- External pressurization is generally not required. However, when desired, external pressurization may be achieved by introducing an external pressuring gas, such as carbon dioxide and/or a hydrocarbon gas.
- the process is performed at approximately three atmospheres to maintain the flow of the emulsion.
- the process is applicable to both surface upgrading of heavy oils and bitumen and subsurface enhanced recovery applications of heavy oil and bitumen.
- this process can be adapted to convert carbon oxides, such as carbon dioxide and carbon monoxide, to light hydrocarbons, alcohols, and/or other organic compounds.
- the carbon oxide conversion can actually enhance the upgrading function by providing additional diluent low molecular weight hydrocarbons and/or alcohols to increase the API value of the high molecular weight hydrocarbons and providing stability to the upgraded product.
- This inventive cracking and hydrogenation process though operating at higher temperatures than Applicant's prior work, still operates at a more moderate temperature and pressure than the conventional cracking and hydrogenation processes. Furthermore, in contrast to the conventional cracking and hydrogenation processes little or no residual carbon dioxide or carbon monoxide is released into the atmosphere, because the inventive process converts these oxides.
- the aqueous catalytic composition performs the cracking and hydrogenation without any substantial "gumming" or coating of the surfaces of the aqueous catalytic particles in the oil- in- water emulsion.
- the advantage of substantial coking permits the process to operate continuously. Also the process results in complete or partial desulfurization by reduction of the sulfur-containing species. Sulfur species pose a significant problem in the oilfield industry, because many feed stocks, such as tar, tar sands, heavy crude, shale oil, and bitumens, contain high sulfur levels that cause pollution, corrosion and undesired results in the refining process (e.g., with refinery catalysts).
- the process of the present invention can convert high molecular weight hydrocarbons having an API value of from 8 to 12 (and generally a viscosity higher than 350 cS at about 7 0 C) to lighter molecular weight hydrocarbons having an API value of greater than 23 (for example, from 23 to 33).
- the resulting admixture of the high molecular weight hydrocarbon and aqueous catalytic composition does not have a significant percentage of carbon oxides, additional carbon oxides may be added until the admixture contains between 2 and 5 weight percent (or more) carbon oxide. Typically, greater than 25% of the total carbon oxide is converted to light hydrocarbons.
- the carbon oxides may be converted to light hydrocarbons and/or other organic compounds, e.g., low molecular weight alcohols (methanol, ethanol and n- and iso-propanol) by adding the carbon oxides to an aqueous catalytic composition or an admixture of the aqueous catalytic composition and a liquid hydrocarbon.
- the carbon oxides are added under conditions of temperature and pressure sufficient to convert them to the organic compounds.
- the aqueous catalytic composition for this conversion is prepared by admixing and reacting a transition metal salt and particles of silicon dioxide, aluminum oxide, ferric oxide, calcium oxide, and titania or boron oxide in an aqueous solution.
- the particles should have a Blaine grain fineness of at least 3000.
- the inventive catalyst can be used for the conversion of coal to liquid hydrocarbons using processing temperatures 25° to 50° C higher than those described above for the liquid hydrocarbons.
- the coal is first crushed to facilitate its suspension in the aqueous system prior to being fed thereto.
- Coal is a very complex hydrocarbon with a very low hydrogen to carbon ratio compared to other liquid and semi-liquid hydrocarbons.
- the process for converting coal to liquid hydrocarbons is essentially the same as for the high molecular weight hydrocarbons described above, however, coal requires more energy due to the complex hydrocarbon bonds and the low hydrogen to carbon ratio. However, even with coal's greater energy requirements, this process is a very economical method of producing hydrocarbons from coal without producing a carbon oxide gas intermediate.
- the inventive process may also be used in down-hole or subsurface enhanced recovery applications (e.g., for oil and bitumen).
- Applications of the process can be considered in steam or heat driven systems and in combination with carbon dioxide injection in unconsolidated reservoirs at depths of less than 1000 meters.
- the inventive process has a low requirement for natural gas to provide system heating.
- the maximum temperature needed is less than about 200 0 C + 2O 0 C and preferably less than about HO 0 C + 2O 0 C. If the system is being applied to an oil- water emulsion that is naturally hot, above 75 0 C, then the intrinsic heat in the incoming emulsion is all that is required for the process to work efficiently.
- the catalytic composition used in practicing the invention is an aqueous admixture formed by reaction in water certain inorganic components referred to herein as “precursors” or “precursor components.”
- This admixture of active catalytic components in water is generally referred to herein as the "aqueous catalytic composition.”
- the admixture can be a slurry or suspension.
- the precursor components for forming the catalytic composition include SiO 2 , AI 2 O 3 , Fe 2 O 3 , CaO, a transition metal salt, and titanium or boron oxide. Typical ranges of the precursors are shown in Table 1 below. All weight percents are based on the total weight of these active components when combined.
- catalytic composition from composite materials to provide some or all of the components.
- a cement and volcanic ash can provide the SiO 2 , Al 2 O 3 , Fe 2 O 3 , and CaO precursor components.
- Table 2 below illustrates the broad and preferred ranges of compositions using, in part, composites.
- the precursor components of the catalytic composition and the amounts thereof can be varied depending on the specific high molecular weight hydrocarbon feedstock being treated, whether significant conversion of carbon oxides is to take place, whether coal is being converted to liquid hydrocarbons, and the like. Optimization for each can be readily determined by simple experimentation.
- the starting materials are added to the water, i.e., SiO 2 , Al 2 O 3 , Fe 2 O 3 , CaO, a transition metal salt, titanium or boron oxide, a volcanic ash component, and a cement component.
- Sufficient water is added so that the dry weight of the precursor components in the aqueous catalytic composition is from about 4 to about 35 weight percent.
- the active components must either be in an aqueous solution or in a particulate form. If in particulate form, the particles should preferably have a Blaine grain fineness of 3000 or more. Blaine grain fineness is a ratio of a particle's surface area (in square centimeters) to weight (in grams).
- the cement component is preferably a Portland cement.
- Portland cements are mixtures of limestone and clay that have been ground and treated in a kiln from 1400 to 1600°C.
- About 24 wt. % of Portland cement by weight is calcium silicate and about 66 wt.% is CaO.
- Impurities can include up to about 3 wt.% of alumina, ferric oxide, and magnesia.
- the volcanic ash component can be one or more of the following materials: scoria, pumice, tuff, e.g., tuffstone, mafic volcanic rock, e.g., ultramafic volcanic rock, pyroclastic rock, volcanic glasses, basalt or silica-based zeolites.
- Scoria is the most preferred. Scoria is the most common material in volcanic cones and is formed of small particles (about 1 cm across) of hardened volcanic lava. Scoria from the Washington/Oregon border is most preferred. It contains about 55% SiO 2 and about 12% Fe 2 O 3 .
- British Columbia scoria consists of about 46% SiO 2 , about 18% Fe 2 O 3 , about 8% CaO, and about 2.4% TiO 2 .
- Scoria from southern Mexico consists of about 79% SiO 2 and about 6.6% Fe 2 O 3 .
- Mafic rock is defined as igneous rock which contains substantial quantities of silicates, such as pyroxene, amphibole, olivine, and mica.
- Ultramafic rock is a volcanic rock with an ultrabasic composition and over 90% composed of Fe-Mg minerals, predominantly olivine, orthopyroxene, and clinopyroxene. Volcanic glasses are called obsidian and consist of silica particles fused by the intense heat of a volcano.
- Basalt is a mafic, igneous rock composed of plagioclase. Different varieties of basalt differ in their degree of silica saturation. Zeolites are a family of aluminum silicate minerals that can occur naturally or be produced synthetically. Zeolites from British Columbia typically consist of about 89% SiO 2 , 0.8% Fe 2 O 3 , and about 1% CaO. Any transition metal salt with a +2 or +3 oxidation state can be used as a precursor component of the catalytic composition. Preferred compounds include ferric chloride, ferrous chloride, and cobalt chloride. Ferrous chloride is the most preferred. The transition metal salt can be utilized in particulate or aqueous form. If used in aqueous form, only the weight attributable to the active component (the transition metal salt) should be considered in determining weight percents of the active components.
- titania useful as a component of the precursor composition exists naturally in four different forms: rutile (tetragonal), anatase (octahedrite), brookite (orthorhombic), and titanium dioxide (B) (monoclinic). While any of these forms of titania can be utilized with the present invention, the most preferred is the anatase form. Boron oxide (B 2 O 3 ) can also be substituted and used in place of and in combination with TiO 2 .
- high molecular weight hydrocarbon and “low molecular weight hydrocarbon,” as used herein, are terms relative to one another.
- the former term signifies a mixture of hydrocarbons, with or without their entrained impurities, with an average molecular weight of the hydrocarbons significantly higher than the average molecular weight of the hydrocarbons in a lower molecular weight hydrocarbon.
- high molecular weight hydrocarbon and “low molecular weight hydrocarbon” does not signify any particular molecular weight ranges.
- High molecular weight hydrocarbons are typically materials, such as crude oils, asphaltenes, tars, and heavy oils, which have limited or no practical use, but which can be converted to more valuable and useful lower molecular weight hydrocarbons via chemical means.
- Medium oils generally have resins or polar fractions less than about 25% of the weight of the total oil and have an API gravity of 22.3 to 32 with viscosities in the range of about 100 to 1000 centipoise
- heavy oils generally have resins or polar fractions between about 25 and 40% of the total weight of the oil and have an API gravity of generally above 10 but less than 22.3 with viscosities greater than about 1000 centipoise
- tars generally have resins or polar fractions greater than about 40% of the total weight of the oil and have an API gravity less than about 8 to 10 and a viscosity greater than about 8000 centipoise.
- the lowest molecular weight hydrocarbons can include C 1 to C 4 gases, e.g., methane, propane, and natural gas. When these gases are present as part of the lower molecular weight hydrocarbon product, they impart an even higher API value.
- the overall quality of the upgraded hydrocarbons is also improved as demonstrated by Saturates, Aromatics, Polars, and Asphaltenes (SAPA) and Paraffins, Naphthenes, and Aromatics (PNA) tests.
- SAPA Saturates, Aromatics, Polars, and Asphaltenes
- PNA Paraffins, Naphthenes, and Aromatics
- the diluent can be a hydrocarbon such as refined and unrefined alkanes and cycloalkanes in the C 5 to C 25 range.
- Examples of readily available diluents include diesel fuel, naphtha, and diluent hydrocarbons from other refining processes which are rich in hydrocarbons in the C 5 to C 25 range.
- Condensate is a common example of an acceptable diluent hydrocarbon from other refining processes. Any hydrocarbon liquids with a boiling point below about 200 0 C are also suitable.
- the composition of the diluent is not critical because it is primarily to reduce the viscosity of the heavy high molecular weight hydrocarbon feedstock to facilitate mixing with the aqueous catalytic combination.
- the diluent must not interfere with subsequent refining of the upgraded hydrocarbons. Even if the diluent is not substantially saturated it can be used, because the catalytic reaction can hydrogenate the no n- saturated hydrocarbons. However, this can decrease the efficiency of the primary cracking and hydrogenation reactions.
- Another method of enhancing the contact between the reactive particles in the aqueous catalytic composition and the high molecular weight hydrocarbon feedstock is to heat the latter to a moderate temperature such that it flows more freely.
- the amount of heat that can be added is constrained by the need to optimize the temperature of the reaction and economic considerations.
- Another consideration is the viscosity and thickness of the high molecular weight hydrocarbon to be treated; thicker, more viscous hydrocarbons require more heat than less viscous hydrocarbons.
- aqueous catalytic composition used in the experiments discussed below was made by the following method: An aqueous solution of about 33% (by weight) aqueous ferrous chloride solution was first mixed with the desired amount of water and, thereafter suitable amounts of particles of the other precursor components were added. The mixture was then thoroughly mixed to form the aqueous catalytic composition. Preferably, the resulting mixture contains about 15 weight percent of the precursors.
- the aqueous catalytic composition is significantly different than its precursor components. Several reactions occur within the aqueous mixture to form some known and some novel reactive colloidal minerals and compounds.
- the scanning electron microscope (SEM) images of the reactive particles found after the reaction characterize these particles. New crystal forms do not match any known crystalline structure.
- SEM scanning electron microscope
- XRD x-ray diffraction
- the catalytic particles in the aqueous catalytic composition are mineral assemblages composed of silicate minerals and metal oxides. They have highly irregular, amorphous surface layers of transition metal oxides with micro-silicate mineral inclusions.
- Figures 2 to 5 are SEM images of various reactive surfaces of the particles. These amorphous surfaces have various submicron sized cavities and indentations. Without being bound by any particular theory, applicant believes that these cavities and indentations are the active locations that facilitate the cracking and hydrogenation reactions.
- the aqueous catalytic composition is brought into intimate contact with the high molecular weight hydrocarbon feedstock.
- the laboratory and pilot scale tests have demonstrated that optimal yield can be obtained by carefully adjusting the amount of the diluent hydrocarbon and the temperature of the mixing process. This is evidenced by the Saturates, Aromatics, Polars, and Asphaltines (SAPA) test and the Paraffins, Naphthalenes, and Aromatics (PNA) test.
- SAPA Saturates, Aromatics, Polars, and Asphaltines
- PNA Paraffins, Naphthalenes, and Aromatics
- the water/heavy-oil or bitumen emulsion is preferably contacted with the aqueous catalytic composition at a temperature range of 5O 0 C to 200 0 C, and preferably 65°C to HO 0 C.
- the cracking and hydrogenation reactions produce a chemically much- improved and a lighter crude oil product.
- the volume of diluent hydrocarbon added is preferably 40% to 50% less than what is normally required to reduce the viscosity to the typically required pipeline value of 280 cs at 7 0 C. In the pilot tests described below, it was found there was a 200% to 300% increase in the concentration of the 0 0 C to 200 0 C boiling point hydrocarbons after treatment as compared with the control of the comparably diluted untreated high molecular weight hydrocarbons.
- the aqueous catalytic composition to high molecular weight hydrocarbon loading can vary from a ratio of 2:1 to 4:1.
- the preferable loading ratio is about 3:1. This loading varies depending on the high molecular weight hydrocarbon being processed and the desired lower molecular weight hydrocarbon products. Simple experimentation can be performed to determine the optimal loading for a given set of high molecular weight hydrocarbon and desired products.
- carbon oxides e.g., CO 2
- bbls barrels per 24 hour day of the high molecular weight hydrocarbon feed
- scfm standard cubic foot per minute
- Preferable amounts of 6 to 10 scfm or more may be added.
- Proportionate amounts of CO 2 would be useful for processing greater of lesser amounts of oil.
- the optimum amount can be readily determined recognizing that the object is to avoid the substantial amounts of carbon oxides in the low molecular hydrocarbons and/or in the gaseous by-products. Use of lower amounts can be used, and such amounts shall, of course, be converted, thus achieving benefits of the invention. Excessive amounts will likely not be completely converted to organic products resulting in the presence of substantial amounts of the carbon dioxide in the low molecular hydrocarbons and/or in the gaseous by-products.
- the carbon oxides can be added as a gaseous or liquid feed. While the feed can be of a high purity, feeds having at least five percent or less of carbon oxides can be treated. Generally, 75% conversions of the carbon oxides can be obtained, though the process would be of great value with considerably lower conversions. In the absence of oil, the conversions are somewhat lower, say in the order of 50%.
- Fig. 1 represents the semi-batch apparatus used for the pilot scale experiments discussed below to upgrade high molecular weight hydrocarbons and revert carbon oxides.
- the high molecular weight hydrocarbons are fed via line 112, pump 115, and line 117 to heat exchanger 140.
- water is fed from tank 120 through line 122, pump 125, and line 127 and diluent hydrocarbon is fed from tank 130 via line 132, pump 135 and line 137 to heat exchanger 140.
- the mixture from heat exchanger 140 is fed through line 145 to static mixer 160 where it is contacted with aqueous catalytic composition from tank 150 fed via line 152, pump 155 and line 157.
- aqueous catalytic composition from tank 150 fed via line 152, pump 155 and line 157.
- carbon dioxide is fed from reservoir 170 through line 175.
- the heat exchanger is optional and only used if necessary to maintain stream 145 at approximately 65 -
- the output stream 165 of the static mixer is fed to a settling tank 180 where the mixture settles and forms distinct layers.
- the solids layer 196 contains the particles from the aqueous catalytic composition and any precipitates or other solid materials e.g., soils, sediments, rock mixtures and sands. Sulfur-based and metallic impurities present in the starting materials also form solid.
- the aqueous layer 192, formed above the solids layer 192 contains most water. Above the aqueous layer 192, is the hydrocarbon layer 188 containing lower molecular weight hydrocarbon products. Above the hydrocarbon layer 188, is the gaseous layer 184.
- the gaseous layer 184 typically contains light hydrocarbons that are not liquids at the operating temperature and pressure in the settling tank 180 as well as any other volatiles formed in the process.
- the precipitated aqueous catalytic particles which collected at the bottom of the pressure tank in the experiments described below did not become coated with carbon and based on x-ray diffraction (XRD) and scanning electron microscope (SEM) analysis, they may be reusable in the process.
- XRD x-ray diffraction
- SEM scanning electron microscope
- the pilot scale examples were performed at a Steam Assisted Gravity Drainage (SAGD) pilot facility in the Cold Lake area of Alberta.
- SAGD Steam Assisted Gravity Drainage
- the equipment used consisted of pumps, a pumper-mixer truck, a pressure tank, controls, instruments, and connecting pipes and hoses.
- the SAGD facility provided a produced water/oil emulsion input stream with an average split of 20% oil to 80% water to the pumper-mixer essentially configured as shown in Fig. 1 with the water/oil emulsion stream replacing the high molecular weight hydrocarbon source 110.
- BS&W Basic Solids and Water content
- Pilot Control 1 was performed in the pilot facility and the Laboratory Controls were performed in the laboratory. Oil from the same well and similar diluent hydrocarbons were used and mixed in various proportions that matched and exceeded the diluent-to-oil ratios used in the pilot facility.
- the oil used in Pilot Control 1 consisted of the oil alone with no added diluent hydrocarbon or aqueous catalyst composition. To the Laboratory Controls, both diluent hydrocarbon and aqueous catalyst composition were added.
- the aqueous catalytic composition was prepared by mixing the following components in water in the percentages indicated:
- the weight percentages of the chemical compounds in Mix A which may vary from batch to batch by +/- 15 wt%, are as follows:
- Table 5 presents basic physical and chemical properties of the untreated oil, control samples and treated samples.
- Pilot Control 1 was a control experiment that did not include any of the catalytic composition. This run only involved water-oil emulsion and a relatively high level of diluent hydrocarbon, namely, 30 parts by volume of diluent hydrocarbon was added to 70 parts of oil (41.9% oil). From previous field experience it was known that addition of more than 30% diluent hydrocarbon is required to meet the viscosity requirements for pipeline transport. Nine m 3 of emulsion and diluent hydrocarbon was processed in Pilot Control 1 with an emulsion temperature ranging from 65 0 C to 80 0 C.
- Pilot Control 1 provided a basis for subsequently studying the change in the composition of the gases in the top of the pressure tank.
- This pressure tank was used as a collection vessel for the treated or upgraded hydrocarbon fluid, water, gases, and solid precipitate from the various experiments. It was evacuated and cleaned after each run.
- Experiment 3 provided an initial insight into the potential level of effectiveness for cracking and hydrogenation by the aqueous catalytic composition in a pilot scale environment.
- the data in Table 5 and 6 show that significant and positive changes in the density, API, viscosity, and decrease in sulfur content, were achieved when compared with Pilot Control 1.
- 11.8m 3 of emulsion and diluent hydrocarbon were processed.
- the temperature of the Experiment 3 emulsion was 65°C to 75°C just before the addition of the aqueous catalytic composition and dropped after addition of the aqueous catalytic composition.
- the temperature increased by about 5 0 C just before the mixture entered the settling tank.
- the resulting lower molecular weight hydrocarbon product had an API of about 23°.
- Experiment 8 shows the outstanding result which can be achieved by the practice of the invention.
- the product from Experiment 8 had an API gravity of 31.5° and a viscosity of 25 cs at 7 0 C. 14.5m 3 of emulsion and diluent hydrocarbon were processed.
- the product also had a lower molecular weight with a lower bromine number (an indicator of the degree of unsaturation of the hydrocarbons) as compared to the untreated oil.
- the number dropped from 3 to 2.
- the total acid number dropped below 1.0 in Experiment 3 and 8. In Alberta, Canada, 1.0 is the threshold point where pipelines implement financial penalties for transporting the oil due to high acidity.
- the pour point dropped from +15°C to -51 0 C on the oil from Experiment 8.
- the emulsion temperature was approximately 100°C just before the addition of the aqueous catalytic composition.
- the temperature of the treated emulsion stream leaving was approximately 75 0 C.
- Experiments 6 is the treatment of the product of Experiment 5 using again the process of the invention. Between 13m 3 and 14m 3 of emulsion and diluent hydrocarbon were processed in Experiments 5 and 6.
- Experiment 5 was operated at about 65 0 C to 75 0 C emulsion input temperature prior to the addition of the aqueous catalytic composition.
- the emulsion temperature prior to the addition of the aqueous catalytic composition in Experiment 6 (the second pass) was about 18 0 C to 25 0 C.
- Experiment 6 used relatively low amounts of diluent hydrocarbon, 3.4% by weight per barrel, and precursor component composition at 1.64% by weight to the net weight of oil in the emulsion.
- Control A has the same diluent hydrocarbon loading as for Experiment 3.
- the distillation profile for Control D most closely matches the distillation profile of Experiment 8, but it has a diluent hydrocarbon loading 2.55 times higher than for Experiment 8.
- the treated oil from Experiment 3 has 5.2 gallons per barrel less residual than that from the Control A experiment. There is a 16 gallons per barrel reduction in the residuals in Experiment 8 compared to the untreated oil.
- the treated oil from Experiment 8 is 7.2 gallons per barrel lower in residuals than that from the Control A experiment, and 5.3 gallons per barrel lower than that from the Control B experiment.
- Treated oil from Experiment 8 is even lower in residuals, 3.4 gallons per barrel, than that from the Control C control experiment which had almost double the initial loading of diluent hydrocarbon.
- Table 10 compares the results of the SAPA (Saturates, Aromatics, Polars, and Asphaltenes) separation analyses of four samples of oil: the untreated oil, the outputs from Experiments 3 and 8, and Control A sample.
- SAPA Natural, Aromatics, Polars, and Asphaltenes
- This degree of change has a significant impact on the value of the oil.
- This upgrading technology can be applied to the raw oil in a produced emulsion from the well or bitumen extraction plant with no chemical or other form of pre- treatment.
- Table 10 shows a consistent reduction in the heavier, higher boiling-point hydrocarbon compounds and the corresponding increase in lower molecular weight and lower boiling-point compounds by employing the process of the invention.
- Molecular and colloidal hydrocarbon structures in the saturates, aromatics, polars (resins), and asphaltene classes in the feed oil are broken down by cracking and hydrogenation mechanisms and appear in the treated oil as compounds that boil below 270°C.
- These lighter and lower boiling point compounds are moved into the fifth fraction of the SAPA analysis, "Loss of Light Ends".
- Table 8 shows the distribution and changes of the significant hydrocarbon compound structural fractions of the "Loss of Light Ends” segment from Table 5, SAPA. Specifically, the
- the product from Experiment 3 as compared to the untreated oil, has a decreased content of six metals, an increase content of six other metals, and no change in the content of seven further metals. Significant decreases also occurred in the amounts of boron, molybdenum, silicon, sodium, and vanadium present in the output from Experiment 3; there was a significant increase in the amount of calcium present (90 ppm).
- the treated oil from Experiment 8 also shows, in comparison to the untreated oil, a decrease in the content of six metals, an increase in the content of six other metals, and no change in the content of seven metals. Significant decreases occur in the amounts of boron, chromium, molybdenum, silicon, sodium, vanadium, and zinc in the output from Experiment 8. There was a significant increase in the calcium content (120 ppm) but this is not believe this negatively affects the oil' s value at the refinery.
- Table 12 Analyses of Gases (in ppm) in Headspace of Pressure Collection Tank
- Control Experiment 1 The proportion of light molecular weight gases generated in Control Experiment 1 is abnormally high because of the relatively high diluent hydrocarbon addition compared in this case to the other experiments. This presents a significant threshold for the subsequent experiments to exceed in terms of showing real or significant chemical changes occurring as opposed to experimental measurement error or noise.
- Control Experiment 1 involved 53% more diluent hydrocarbon by volume than did Experiment 3 but Experiment 3 resulted in 42% more hydrogen, about the same level of CO 2 , and approximately the same level of light hydrocarbon concentrations C 1 , and C 3 , as Experiment 1. But from C 4 to C 7, Experiment 3 had significant increases in compound concentrations over the control experiment. There is a 36% increase in n-C 4 , a 95% increase in 1-C 5 , a 134% increase in n-Cs, a 400% increase C 6 , and a 500% increase in the C 7 concentration.
- the treated oil from Control Experiment 1 has 40.2% by volume more diluent hydrocarbon than does that from Experiment 8 but the Experiment 8 oil has no detectable hydrogen, it shows a major drop in CO 2 concentration of 93.5%, and a significant increase in C 1 concentration of 14%. But from C 3 to C 5 the Experiment 8 output has significant decreases in compound concentrations compared to the output from the control. There is a 93.8% decrease in C 3 concentration, a 97.2% decrease in n-C 4 , a 75% decrease in n-Cs, an increase in C 6 of 225%, and an 1100% increase in the C 7 concentration.
- the Lloydminster (Lloyd) pilot plant was designed on same basis and process concepts that was used at the Blackrock Cold Lake facility. Difference in the two facilities were that the Blackrock facility had a smaller capacity operation, the water/oil emulsion was already heated to 17O 0 C, coming out of ground from a SAGD production operation, and at the Lloydminster plant the water/oil/CO2 emulsion was heated in a line-heater before was aqueous catalyst composition was blended into the emulsion stream at 95 0 C to 115 0 C.
- oil was trucked off and loaded into heated 1000 bbl storage tanks. The storage tanks were heated to 85 0 C.
- the approximate percent composition of the components of the catalyst precursors used it these experiments are as follows:
- the weight percentages of the chemical compounds in Mix which may vary from batch to batch by +/- 15 wt%, are as follows: :
- the Lloydminster plant process system is a open system beginning at the treater or horizontal separator. Accordingly, any gases or vaporized light liquids with boiling points below the maximum horizontal separator temperature of HO 0 C vaporized out of the system either to the off gas/liquid collection tank or to the atmosphere. These vapor losses definitely negatively affected the upgrading result with respect to density and viscosity of the treated oil.
- the "sales tanks,” at the end of the process stream, are also a point of vapor loss. The losses involve a range of light and middle range boiling point hydrocarbon compounds.
- Table 15 shows and untreated Lloydminster oil and three treated samples. The first two treated samples were treated with different catalyst. Both with the addition of CO 2 . Concentrate was added to Sample 7. The Sample 7B was prepared by taking the treated product of Sample 7, and adding 15g of the condensate to lOOg of the Sample 7 product. Table 15 summarizes the sample preparation and the results obtained: Table 15: Density, Viscosities, and Total Acid Numbers for Samples
- the Table 16 below is SAPA analysis of untreated oil and the products of Samples 7 and 7B treated oils which boil above 26O 0 C.
- the data show how the latter compositions differ from the untreated or raw oil.
- the saturate compounds increased 21% in Sample 7 and 29.9% in Sample 7B. This increase likely came from saturated aliphatic hydrocarbon fragments, probably cycloparaffins; from the heavy gas/oil fraction or from fragments from the cleavage of benzene rings from the aromatic fraction; or even from the residual fraction.
- Aromatic compounds decreased by 10.8% in Sample 7 and 16.6% in Sample 7B. In order for there to be a decrease, the process of the invention must cleave the benzene ring.
- Table 16 SAPA Analysis of Samples 7 and 7B Compared to the Untreated Lloyd Oil (27O 0 C and Above)
- Table 17 Density and Viscosity of Mix A Treated Oil Samples 38, 38B, and 47, 47B
- Condensate can also be added initially in the upgrading process as well as afterwards, if the chemical structure of the oil demands it. Even with the addition of condensate before and after treatment, the process of the invention uses considerably less condensate than that normally added to the Lloydminster area oil to make the viscosity acceptable for transport in intercontinental pipelines. Condensate addition to the Lloydminster oil for the purposes of pipeline transport can be in excess of 30%.
- the added condensate shows a significant solvent effect or bonding to stabilize the hydrocarbon complexes that make up the oil so that density and viscosity is homogenous throughout the volume of liquid.
- the condensate has a catalysis like effect that is effective after the Lloydminster oil has been treated by the process of the invention.
- Table 12 sets forth above shows an analysis of the product gases in the headspace of the pressure collection tank where the invention was practiced with the addition of carbon dioxide.
- the aqueous catalyst of the invention was added to the oil and condensate, there was a significant drop in CO 2 concentration, an increase in methane and C 6 and above hydrocarbons, and a reduction in the C 2 , C 3 and C 4 hydrocarbons. Based on these observations, it was concluded that methane and alcohols having two to four carbon atoms was formed.
- Table 9 is the marked reduction of carbon dioxide in Experiments 5 and 8. All references, patents and patent applications cited and discussed in this specification are incorporated herein by reference in their entirety and to the same extent as if each was individually incorporated by reference.
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US (1) | US20080116111A1 (de) |
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WO (1) | WO2008036637A1 (de) |
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US20100151293A1 (en) * | 2008-12-15 | 2010-06-17 | Andrew Hansen | Method and apparatus for producing liquid hydrocarbons from coal |
US8287721B1 (en) * | 2010-08-30 | 2012-10-16 | Lucinda Paris-Marcano | Method for reducing asphaltene and paraffin content in oil material |
US9115324B2 (en) | 2011-02-10 | 2015-08-25 | Expander Energy Inc. | Enhancement of Fischer-Tropsch process for hydrocarbon fuel formulation |
US9156691B2 (en) | 2011-04-20 | 2015-10-13 | Expander Energy Inc. | Process for co-producing commercially valuable products from byproducts of heavy oil and bitumen upgrading process |
US9169443B2 (en) | 2011-04-20 | 2015-10-27 | Expander Energy Inc. | Process for heavy oil and bitumen upgrading |
US9315452B2 (en) | 2011-09-08 | 2016-04-19 | Expander Energy Inc. | Process for co-producing commercially valuable products from byproducts of fischer-tropsch process for hydrocarbon fuel formulation in a GTL environment |
US8889746B2 (en) | 2011-09-08 | 2014-11-18 | Expander Energy Inc. | Enhancement of Fischer-Tropsch process for hydrocarbon fuel formulation in a GTL environment |
MX368516B (es) | 2011-09-08 | 2019-10-07 | Expander Energy Inc | Mejoramiento de proceso fischer-tropsch para formulacion de combustible hidrocarburo en un ambiente gtl. |
CA2776369C (en) | 2012-05-09 | 2014-01-21 | Steve Kresnyak | Enhancement of fischer-tropsch process for hydrocarbon fuel formulation in a gtl environment |
US9266730B2 (en) | 2013-03-13 | 2016-02-23 | Expander Energy Inc. | Partial upgrading process for heavy oil and bitumen |
CA2818322C (en) | 2013-05-24 | 2015-03-10 | Expander Energy Inc. | Refinery process for heavy oil and bitumen |
US20150315478A1 (en) * | 2014-05-01 | 2015-11-05 | Exxonmobil Research And Engineering Company | Systems and methods for field treating heavy or otherwise challenging crude oils |
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Also Published As
Publication number | Publication date |
---|---|
EP2125995B1 (de) | 2017-07-05 |
US20080116111A1 (en) | 2008-05-22 |
EP2125995A4 (de) | 2014-01-01 |
WO2008036637A1 (en) | 2008-03-27 |
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