CN1283761C - 一种劣质汽油加氢改质工艺 - Google Patents
一种劣质汽油加氢改质工艺 Download PDFInfo
- Publication number
- CN1283761C CN1283761C CN 200410060574 CN200410060574A CN1283761C CN 1283761 C CN1283761 C CN 1283761C CN 200410060574 CN200410060574 CN 200410060574 CN 200410060574 A CN200410060574 A CN 200410060574A CN 1283761 C CN1283761 C CN 1283761C
- Authority
- CN
- China
- Prior art keywords
- weight
- gasoline
- accounts
- metal component
- carrier
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 title claims abstract description 29
- 230000004048 modification Effects 0.000 title claims abstract description 28
- 238000012986 modification Methods 0.000 title claims abstract description 28
- 239000003054 catalyst Substances 0.000 claims abstract description 72
- 238000005899 aromatization reaction Methods 0.000 claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims abstract description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000006011 modification reaction Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 9
- 229910021536 Zeolite Inorganic materials 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- 239000010457 zeolite Substances 0.000 claims description 8
- 238000005194 fractionation Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052733 gallium Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 54
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 abstract description 36
- 239000002994 raw material Substances 0.000 abstract description 10
- 229910052717 sulfur Inorganic materials 0.000 abstract 2
- 239000011593 sulfur Substances 0.000 abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 150000001336 alkenes Chemical class 0.000 description 58
- 239000005864 Sulphur Substances 0.000 description 52
- 239000000047 product Substances 0.000 description 50
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 47
- 238000006477 desulfuration reaction Methods 0.000 description 28
- 230000023556 desulfurization Effects 0.000 description 28
- 239000003921 oil Substances 0.000 description 28
- 238000012545 processing Methods 0.000 description 17
- 238000011049 filling Methods 0.000 description 14
- 229910017318 Mo—Ni Inorganic materials 0.000 description 12
- 238000012360 testing method Methods 0.000 description 11
- 239000000126 substance Substances 0.000 description 9
- 230000003197 catalytic effect Effects 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 238000006317 isomerization reaction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- DFHAXXVZCFXGOQ-UHFFFAOYSA-K trisodium phosphonoformate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)P([O-])([O-])=O DFHAXXVZCFXGOQ-UHFFFAOYSA-K 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910017313 Mo—Co Inorganic materials 0.000 description 2
- 238000004523 catalytic cracking Methods 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- -1 nitrogen Chemical compound 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004230 steam cracking Methods 0.000 description 1
- 235000001508 sulfur Nutrition 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
催化剂编号 | 化学组成,w% | |||||
MoO3 | CoO | NiO | WoO3 | *TiO2 | *ZSM-5/TiO2 | |
ABCDEFGHJKMN | 15.613.29.512.811.214.38.813.610.214.88.0 | 5.23.84.53.55.54.54.8 | 5.63.82.83.14.52.52.63.52.1 | 6.5 | 余量余量余量余量余量余量 | 余量余量余量余量余量余量 |
项目 | <65℃馏分 | >65℃馏分 | 全馏分 |
收率,w%密度,d4 20,kg/m3馏分,℃硫含量,μg/g烯烃含量,v%芳烃含量,v%RON | 32.6686.728~6831251.60.293.7 | 67.4772.674~210302845.230.189.6 | 100745.235~204215247.320.590.8 |
项目 | 实施例1 | 实施例2 | 实施例3 |
工艺条件氢分压,MPa反应温度(R1/R2),℃体积空速(R1/R2),h-1氢油体积比生成油性质硫含量,μg/g烯烃含量,v%芳烃含量,v%RON液收(对进料),w% | 3.0280/4103.0/1.0300332.542.288.995.2 | 2.0270/3902.0/1.0500551.248.389.496.6 | 3.0290/4304.0/2.5300513.441.088.697.2 |
项目 | 实施例1 | 实施例2 | 实施例3 |
收率,w%硫含量,μg/g烯烃含量,v%芳烃含量,v%RON | 96.813018.527.892.0 | 97.714017.631.692.5 | 98.113519.027.091.7 |
项目 | <90℃馏分 | >90℃馏分 | 全馏分 |
收率,w%密度,d4 20,kg/m3馏分,℃硫含量,μg/g烯烃含量,v%芳烃含量,v%RON | 41.3682.328~93445(232*)43.78.492.8 | 58.7762.898~201298734.331.185.4 | 100731.435~196183638.221.788.6 |
项目 | 实施例4 | 实施例5 | 实施例6 |
工艺条件氢分压,MPa反应温度(R1/R2),℃体积空速(R1/R2),h-1氢油体积比生成油性质硫含量,μg/g烯烃含量,v%芳烃含量,v%RON液收(对进料),w% | 3.0270/4003.0/1.0100561.246.384.895.5 | 1.5280/3901.6/0.8200351.848.585.196.3 | 2.5270/3701.6/0.8300452.445.884.697.5 |
项目 | 实施例4 | 实施例5 | 实施例6 |
收率,w%硫含量,μg/g烯烃含量,v%芳烃含量,v%RON | 97.312818.729.789.7 | 97.812019.031.590.1 | 98.512319.530.089.8 |
项目 | <80℃馏分 | >80℃馏分 | 全馏分 |
收率,w%密度,d4 20,kg/m3馏分,℃硫含量,μg/g烯烃含量,v%芳烃含量,v%RON | 45.5656.232~8224240.52.894.6 | 54.5766.589~180188732.327.688.1 | 100717.638~174115036.116.491.8 |
项目 | 实施例7 | 实施例8 | 实施例9 |
工艺条件氢分压,MPa反应温度(R1/R2),℃体积空速(R1/R2),h-1氢油体积比生成油性质硫含量,μg/g烯烃含量,v%芳烃含量,v%RON液收(对进料),w% | 3.0260/3903.0/1.0400321.346.688.495.8 | 2.0250/3901.6/0.8600550.650.588.796.8 | 3.0280/4104.0/2.0500361.446.388.396.2 |
项目 | 实施例7 | 实施例8 | 实施例9 |
收率,w%硫含量,μg/g烯烃含量,v%芳烃含量,v%RON | 97.713119.025.793.6 | 98.214018.528.094.0 | 97.913519.225.593.3 |
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410060574 CN1283761C (zh) | 2004-10-18 | 2004-10-18 | 一种劣质汽油加氢改质工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410060574 CN1283761C (zh) | 2004-10-18 | 2004-10-18 | 一种劣质汽油加氢改质工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1621495A CN1621495A (zh) | 2005-06-01 |
CN1283761C true CN1283761C (zh) | 2006-11-08 |
Family
ID=34764330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200410060574 Expired - Lifetime CN1283761C (zh) | 2004-10-18 | 2004-10-18 | 一种劣质汽油加氢改质工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1283761C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101368111B (zh) * | 2007-08-16 | 2013-04-24 | 中国石油天然气集团公司 | 一种催化裂化汽油加氢改质的方法 |
CN101508912B (zh) * | 2009-03-19 | 2012-08-15 | 中国石油大学(北京) | 劣质汽油的深度脱硫-恢复辛烷值加氢改质方法 |
CN102337153B (zh) * | 2010-07-22 | 2014-10-15 | 中国石油天然气股份有限公司 | 一种汽油馏分油的加氢处理方法 |
CN102634370B (zh) * | 2011-02-10 | 2014-08-06 | 中国石油天然气股份有限公司 | 一种汽油加氢改质的方法 |
CN102634371A (zh) * | 2011-02-10 | 2012-08-15 | 中国石油天然气股份有限公司 | 一种汽油改质的方法 |
CN103059958B (zh) * | 2011-10-21 | 2015-06-17 | 中国石油化工股份有限公司 | 催化裂化和催化汽油加氢联合工艺方法 |
CN105289720B (zh) * | 2014-08-01 | 2018-03-20 | 中国石油化工股份有限公司 | 一种烃油脱硫催化剂及其制备方法和烃油脱硫的方法 |
CN105289706B (zh) * | 2014-08-01 | 2018-03-20 | 中国石油化工股份有限公司 | 一种烃油脱硫催化剂及其制备方法和烃油脱硫的方法 |
CN105289705B (zh) * | 2014-08-01 | 2018-03-20 | 中国石油化工股份有限公司 | 一种烃油脱硫催化剂及其制备方法和烃油脱硫的方法 |
-
2004
- 2004-10-18 CN CN 200410060574 patent/CN1283761C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1621495A (zh) | 2005-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101343563B (zh) | 一种轻质烃类加氢处理方法 | |
CN103059973B (zh) | 一种煤焦油全馏分加氢的浆态床与固定床耦合方法 | |
JP5448305B2 (ja) | 少なくとも2つの相異なる水素化脱硫工程を包含するオレフィンガソリンを脱硫する方法 | |
CN105647573A (zh) | 一种移动床加氢裂化生产轻质芳烃和清洁燃料油的方法 | |
CN101787307A (zh) | 一种汽油加氢脱硫方法 | |
CN101492608A (zh) | 劣质汽油深度脱硫降烯烃的方法 | |
CN101368111A (zh) | 一种催化裂化汽油加氢改质的方法 | |
CN109022020B (zh) | 一种用于柴油多组分吸附分离的方法 | |
CN1283761C (zh) | 一种劣质汽油加氢改质工艺 | |
CN101343562A (zh) | 一种汽油加氢脱硫、降烯烃方法 | |
CN1290977C (zh) | 一种催化汽油芳构化改质催化剂及工艺 | |
CN102634368B (zh) | 一种劣质汽油改质的方法 | |
CN1769388A (zh) | 一种降低劣质汽油硫和烯烃含量的加氢改质方法 | |
CN100532507C (zh) | 催化裂化汽油的改质方法 | |
CN103160317B (zh) | 一种生产丙烯和高辛烷值汽油的方法 | |
CN1485414A (zh) | 一种催化裂化汽油非临氢芳构化和脱硫的方法 | |
CN101418234A (zh) | 一种催化裂化汽油生产低硫汽油的方法 | |
CN101089129A (zh) | 一种劣质汽油选择性加氢脱硫的方法 | |
CN103059964A (zh) | 一种生产超低硫汽油的方法 | |
CN1521241A (zh) | 一种降低汽油中烯烃、硫含量的方法 | |
CN109988625B (zh) | 一种加氢精制和加氢裂化组合工艺 | |
CN103059956B (zh) | 一种催化汽油深度加氢脱硫方法 | |
CN1151236C (zh) | 利用供氢组分降低汽油烯烃含量的催化转化方法 | |
CN101314734A (zh) | 一种汽油选择性加氢脱硫的方法 | |
CN101407731B (zh) | 一种生产低硫汽油的加氢处理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100029 Beijing City, Chaoyang District Hui Street No. 6 Co-patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Patentee after: China Petrochemical Group Corp. Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Co-patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group Patentee before: China Petrochemical Group Corp. |
|
ASS | Succession or assignment of patent right |
Owner name: SINOPEC LUOYANG PETROCHEMICAL ENGINEERING CORPORAT Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20130326 Free format text: FORMER OWNER: SINOPEC LUOYANG PETROCHEMICAL ENGINEERING CORPORATION Effective date: 20130326 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100029 CHAOYANG, BEIJING TO: 471003 LUOYANG, HENAN PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130326 Address after: 471003 Zhongzhou West Road, Henan, China, No. 27, No. Patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Patentee before: China Petrochemical Group Corp. Patentee before: Luoyang Petrochemical Engineering Corporation /SINOPEC |