CN111559949B - 一种利用富碳天然气增产对二甲苯的系统及方法 - Google Patents
一种利用富碳天然气增产对二甲苯的系统及方法 Download PDFInfo
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- CN111559949B CN111559949B CN202010478374.XA CN202010478374A CN111559949B CN 111559949 B CN111559949 B CN 111559949B CN 202010478374 A CN202010478374 A CN 202010478374A CN 111559949 B CN111559949 B CN 111559949B
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- methanol
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 178
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000003345 natural gas Substances 0.000 title claims abstract description 88
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 70
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 50
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 617
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 159
- 238000000926 separation method Methods 0.000 claims abstract description 92
- 238000005804 alkylation reaction Methods 0.000 claims abstract description 80
- BKBMACKZOSMMGT-UHFFFAOYSA-N methanol;toluene Chemical compound OC.CC1=CC=CC=C1 BKBMACKZOSMMGT-UHFFFAOYSA-N 0.000 claims abstract description 74
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000008096 xylene Substances 0.000 claims abstract description 49
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 41
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 41
- 238000000746 purification Methods 0.000 claims abstract description 32
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims abstract description 31
- 238000005191 phase separation Methods 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 53
- 238000006243 chemical reaction Methods 0.000 claims description 50
- 239000012071 phase Substances 0.000 claims description 37
- 239000000203 mixture Substances 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 31
- 238000006057 reforming reaction Methods 0.000 claims description 30
- 239000004215 Carbon black (E152) Substances 0.000 claims description 28
- 229930195733 hydrocarbon Natural products 0.000 claims description 28
- 150000002430 hydrocarbons Chemical class 0.000 claims description 28
- 238000002425 crystallisation Methods 0.000 claims description 26
- 230000008025 crystallization Effects 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 10
- 239000008346 aqueous phase Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- 238000002407 reforming Methods 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 20
- 239000001569 carbon dioxide Substances 0.000 abstract description 20
- 239000000047 product Substances 0.000 description 36
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 239000013078 crystal Substances 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 5
- 239000007792 gaseous phase Substances 0.000 description 4
- 238000006317 isomerization reaction Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000005262 decarbonization Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000029936 alkylation Effects 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000001833 catalytic reforming Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 239000012074 organic phase 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
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960004217 benzyl alcohol Drugs 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
- C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
- C07C2/864—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an alcohol
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/1516—Multisteps
- C07C29/1518—Multisteps one step being the formation of initial mixture of carbon oxides and hydrogen for synthesis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/152—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the reactor used
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (29)
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CN202010478374.XA CN111559949B (zh) | 2020-05-29 | 2020-05-29 | 一种利用富碳天然气增产对二甲苯的系统及方法 |
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CN202010478374.XA CN111559949B (zh) | 2020-05-29 | 2020-05-29 | 一种利用富碳天然气增产对二甲苯的系统及方法 |
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CN111559949A CN111559949A (zh) | 2020-08-21 |
CN111559949B true CN111559949B (zh) | 2022-12-02 |
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CN113045374B (zh) * | 2021-04-23 | 2024-08-27 | 中国海洋石油集团有限公司 | 一种甲苯甲醇烷基化生产对二甲苯的反应装置及其反应方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6781014B1 (en) * | 1999-11-01 | 2004-08-24 | Acetex (Cyprus) Limited | Methanol plant retrofit for manufacture of acetic acid |
CN1656012A (zh) * | 2002-05-20 | 2005-08-17 | 埃塞泰克斯(塞浦路斯)有限公司 | 制造乙酸和甲醇的一体化方法 |
CN104557376A (zh) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | 合成气制甲醇与芳烃甲基化串联的反应方法 |
CN104829411A (zh) * | 2015-05-15 | 2015-08-12 | 南京工业大学 | 一种微通道反应器中连续制备对二甲苯的方法 |
CN106029613A (zh) * | 2014-01-22 | 2016-10-12 | Ngt全球股份公司 | 由天然气生产芳族烃的方法和实施所述方法的加工单元 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016032639A1 (en) * | 2014-08-29 | 2016-03-03 | Exxonmobil Chemical Patents Inc. | Treatment of aromatic alkylation feedstock |
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2020
- 2020-05-29 CN CN202010478374.XA patent/CN111559949B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6781014B1 (en) * | 1999-11-01 | 2004-08-24 | Acetex (Cyprus) Limited | Methanol plant retrofit for manufacture of acetic acid |
CN1656012A (zh) * | 2002-05-20 | 2005-08-17 | 埃塞泰克斯(塞浦路斯)有限公司 | 制造乙酸和甲醇的一体化方法 |
CN104557376A (zh) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | 合成气制甲醇与芳烃甲基化串联的反应方法 |
CN106029613A (zh) * | 2014-01-22 | 2016-10-12 | Ngt全球股份公司 | 由天然气生产芳族烃的方法和实施所述方法的加工单元 |
CN104829411A (zh) * | 2015-05-15 | 2015-08-12 | 南京工业大学 | 一种微通道反应器中连续制备对二甲苯的方法 |
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