CN102618321A - Method for synthesizing oil modifier by hydrogenating washing oil - Google Patents
Method for synthesizing oil modifier by hydrogenating washing oil Download PDFInfo
- Publication number
- CN102618321A CN102618321A CN2012101168087A CN201210116808A CN102618321A CN 102618321 A CN102618321 A CN 102618321A CN 2012101168087 A CN2012101168087 A CN 2012101168087A CN 201210116808 A CN201210116808 A CN 201210116808A CN 102618321 A CN102618321 A CN 102618321A
- Authority
- CN
- China
- Prior art keywords
- oil
- catalyzer
- hydrogenation
- dipping
- nickel
- 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
- 238000005406 washing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003607 modifier Substances 0.000 title abstract 2
- 230000002194 synthesizing effect Effects 0.000 title abstract 2
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010941 cobalt Substances 0.000 claims abstract description 11
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 11
- 239000011733 molybdenum Substances 0.000 claims abstract description 11
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 17
- 230000004913 activation Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 230000004048 modification Effects 0.000 claims description 13
- 238000012986 modification Methods 0.000 claims description 13
- 238000007598 dipping method Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 10
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 5
- 229940010552 ammonium molybdate Drugs 0.000 claims description 5
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 5
- 239000011609 ammonium molybdate Substances 0.000 claims description 5
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 5
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 5
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- -1 Xiao Suangu Chemical compound 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 7
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 5
- 229910052794 bromium Inorganic materials 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
Landscapes
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a method for synthesizing an oil modifier by hydrogenating washing oil. The method comprises the following step of: putting the washing oil into a continuous fixed bed reactor with a catalyst for hydrogenation reaction, wherein the hydrogenation pressure is 5 to 10MPa, the reaction temperature is 340 to 430 DEG C, the volume space velocity is 0.2 to 1.0/h, and the hydrogen-oil ratio is (600-3,000):1; and the catalyst comprises 2 to 6 mass percent of molybdenum, 3 to 8 mass percent of cobalt, 15 to 26 mass percent of nickel and the balance of alumina. The stable test time of the hydrogenation reaction is 800 hours. The process is simple, the hydrogenation pressure is low and reaction conditions are mild.
Description
Technical field
The present invention is specifically related to the method for the synthetic oil product modification agent of a kind of washing oil hydrogenation.
Background technology
The coal tar that the annual meeting of China's coking industry output is 2,000 ten thousand tons wherein contains more than 100 ten thousand tons washing oil, owing to there is not the derived product of high added value, most washing oil are used for simple fuel to be burnt, and makes that the price of washing oil is very low.The synthetic oil product modification agent of washing oil hydrogenation is used for petroleum naphtha, and gasoline, diesel modifying have improved value-added content of product, and resource is utilized effectively.
The washing oil of report prepares the oil product modification agent, and is synthetic through hydrogenation, but hydrogenation pressure is big, high to equipment requirements, has potential safety hazard simultaneously.And adopt two steps or multistep hydrogenation method to synthesize more, complex process, cost is higher.
Summary of the invention
To the objective of the invention is the defective that exists in the prior art in order solving, the method for the synthetic oil product modification agent of simple, the safe washing oil hydrogenation of a kind of technology to be provided.
In order to achieve the above object; The invention provides the method for the synthetic oil product modification agent of a kind of washing oil hydrogenation; May further comprise the steps: place the continuous fixed-bed reactor with catalyzer to carry out hydrogenation reaction in said washing oil, hydrogenation pressure is 5-10MPa, and temperature of reaction is 340-430 ℃; Volume space velocity is 0.2-1.0/h, and hydrogen-oil ratio is 600-3000:1; Said catalyzer comprises molybdenum, cobalt, nickel and aluminum oxide; The quality percentage composition of molybdenum, cobalt, nickel is respectively 2-6%, 3-8%, 15-23% in the said catalyzer, and all the other are aluminum oxide.Carried out hydrogenation reaction stability test in 800 hours.
Molybdenum, cobalt, nickel exist with the form of molybdenum oxide, powder blue, nickel oxide respectively in the catalyzer, prepare through following steps:
(1) mixing solutions preparation: it is soluble in water to get nickelous nitrate, Xiao Suangu, ammonium molybdate, forms mixing solutions;
(2) dipping: get alumina supporter and immerse in the mixing solutions, dipping is 8-10 hour under 20-50 ℃ temperature;
(3) roasting: after dipping is accomplished, take out carrier, 110-130 ℃ of oven dry 3 hours, 400-450 ℃ of roasting 5 hours makes catalyzer.
Catalyzer is warming up to 150 ℃ with hydrogen before use, and HPP pumps into dithiocarbonic anhydride activation oil, progressively is warming up to 300 ℃ and carries out activation, and soak time is 24 hours; Said dithiocarbonic anhydride activation oil comprises dithiocarbonic anhydride and solvent oil, and the mass percentage concentration of said dithiocarbonic anhydride is 1-3%; The quality of said dithiocarbonic anhydride is the 35-50% of catalyst quality.
Step is repeatedly flooded alumina supporter in (2), and the mixing solutions of each dipping is the mixing solutions of preparation in the step (1), and before each dipping carrier is dried.
The present invention compares prior art and has the following advantages: the present invention adopts a step hydrogenation method to carry out the synthetic of oil product modification agent, and technology is simple, and hydrogenation pressure is little, and reaction conditions is gentle.The while catalyzer adopts molybdenum oxide, powder blue and nickel oxide as the mixed active component, is carrier with the aluminum oxide, and through the dipping preparation, the catalyst activity that obtains is high, stable performance, and the oil product modification agent performance that production obtains is good.
Embodiment
Be elaborated below in conjunction with the method for embodiment to the synthetic oil product modification agent of washing oil hydrogenation of the present invention.
Embodiment 1
Preparation of Catalyst
(1) mixing solutions preparation: the mass ratio of preparing molybdenum, cobalt, nickel with zero(ppm) water is respectively ammonium molybdate, Xiao Suangu, the nickel nitrate aqueous solution of 14:22:64, and total concn is 1mol/L.
(2) dipping: under 40 ℃; Immerse the alumina supporter of crossing with distilled water wash in the solution, keep 40 ℃ to soak 8 hours, take out the carrier oven dry; Fresh ammonium molybdate, Xiao Suangu, the nickel nitrate aqueous solution of putting into the same concentration of step (1) preparation again soak 4 times so repeatedly.
(3) roasting: will flood good vector 130 ℃ of oven dry, again in 450 ℃ of calcinings, promptly obtain molybdenum oxide, powder blue and nickel oxide (wherein molybdenum, cobalt, nickel account for total catalyst quality percentage composition 4%, 6%, 18%), all the other are the catalyzer of alumina supporter.
Embodiment 2
Catalyst activation
In the continuous fixed-bed reactor of 100ml, the catalyzer 80ml that the embodiment 1 that packs into prepares at 3MPa pressure, uses the dithiocarbonic anhydride deactivated catalyst.Dithiocarbonic anhydride with accounting for catalyst weight 35% is dissolved in the 200# solvent oil, obtains that dithiocarbonic anhydride concentration is 1% in the dithiocarbonic anhydride activation oil.Concrete reactivation process is: at first with the hydrogen catalyzer that heats up, begin to squeeze into the dithiocarbonic anhydride activation oil for preparing at 150 ℃, progressively heat up, until 300 degree, soak time 24 hours.Activation oil air speed 2/h, hydrogen-oil ratio 600.
Embodiment 3
The washing oil hydrogenation
Behind the catalyst activation, boost to 10MPa to the reactor drum hydrogenation among the embodiment 2, HPP is squeezed into washing oil, control air speed 0.3/h, and hydrogen-oil ratio 2000,360 ℃ of reactions down of temperature, activity stabilized, stopping reaction 800 hours obtains faint yellow transparent reaction product.
Raw material washing oil leading indicator: the outward appearance brown is muddy, and flavor stimulates, density 1.05, total sulfur 3000ppm, bromine number 25 gBr
2/ 100g, 16 ℃ at zero pour, boiling range 230-290 ℃,
Product behind the hydrogenation: outward appearance is yellowish transparent, free from extraneous odour, density 0.92, total sulfur 45ppm, bromine number 1 gBr
2/ 100g, zero pour-30 ℃, boiling range 100-290 ℃.
Embodiment 4
Preparation of Catalyst
The mass ratio of preparing molybdenum, cobalt, nickel with zero(ppm) water is respectively 11,17,72 ammonium molybdate, Xiao Suangu, nickel nitrate aqueous solution; Total concn is 1mol/L; All the other conditions and step are with embodiment 1; After the roasting, promptly obtain molybdenum oxide, powder blue and nickel oxide (wherein molybdenum, cobalt, nickel account for total catalyst quality percentage composition 4%, 6%, 25%), all the other are the catalyzer of alumina supporter.
Embodiment 5
Catalyst activation
In the continuous fixed-bed reactor of 100ml; The catalyzer 80ml that the embodiment 4 that packs into prepares; Be dissolved in preparation dithiocarbonic anhydride activation oil in the 200# solvent oil with the dithiocarbonic anhydride that accounts for catalyst weight 50%, all the other conditions and step are carried out catalyst activation with embodiment 2.
Embodiment 6
The washing oil hydrogenation
Boost to 6MPa to the reactor drum that embodiment 5 catalyst activated are housed, HPP is squeezed into washing oil, control air speed 0.6/h, and hydrogen-oil ratio 800,420 ℃ of reactions down of temperature, activity stabilized, react after 400 hours, obtain faint yellow transparent reaction product.
Product behind the hydrogenation: the nearly water white transparency of outward appearance, free from extraneous odour, density 0.89, total sulfur 20ppm, bromine number 0.7 gBr
2/ 100g, zero pour-30 ℃, boiling range 90-290 ℃.
Embodiment 7
Fractionation by distillation
The oil product 800ml that obtains embodiment 6 hydrogenation packs in the 1000ml four-hole matrass, adds thermal distillation with the electric heating bag under the normal pressure, and bottleneck gaseous phase outlet temperature is 179 ℃, distills out 25% light constituent, and it remains in the matrass and does not distill.
25% light constituent product: appearance colorless is transparent, free from extraneous odour, density 0.78, total sulfur 15ppm, bromine number 0.5 gBr
2/ 100g, zero pour-30 ℃, boiling range 90-179 ℃.
75% heavy constituent product: outward appearance is faint yellow transparent, free from extraneous odour, density 0.93, total sulfur 40ppm, bromine number 0.9 gBr
2/ 100g, zero pour-30 ℃, boiling range 177-290 ℃.
Claims (4)
1. the method for the synthetic oil product modification agent of a washing oil hydrogenation; It is characterized in that: may further comprise the steps: place continuous fixed-bed reactor to carry out a step hydrogenation reaction in said washing oil with catalyzer; Hydrogenation pressure is 5-10MPa; Temperature of reaction is 340-430 ℃, and volume space velocity is 0.2-1.0/h, and hydrogen-oil ratio is 600-3000:1; Said catalyzer comprises molybdenum, cobalt, nickel and aluminum oxide; The quality percentage composition of molybdenum, cobalt, nickel is respectively 2-6%, 3-8%, 15-26% in the said catalyzer, and all the other are aluminum oxide.
2. the method for the synthetic oil product modification agent of washing oil hydrogenation according to claim 1, it is characterized in that: molybdenum, cobalt, nickel exist with the form of molybdenum oxide, powder blue, nickel oxide respectively in the said catalyzer, prepare through following steps:
(1) mixing solutions preparation: it is soluble in water to get nickelous nitrate, Xiao Suangu, ammonium molybdate, forms mixing solutions;
(2) dipping: get alumina supporter and immerse in the mixing solutions, dipping is 8-10 hour under 20-50 ℃ temperature;
(3) roasting: after dipping is accomplished, take out carrier, 110-130 ℃ of oven dry 3 hours, 400-450 ℃ of roasting 5 hours makes catalyzer.
3. the method for the synthetic oil product modification agent of washing oil hydrogenation according to claim 2; It is characterized in that: said catalyzer is warming up to 150 ℃ with hydrogen before use, and HPP pumps into dithiocarbonic anhydride activation oil; Progressively be warming up to 300 ℃ and carry out activation, soak time is 24 hours; Said dithiocarbonic anhydride activation oil comprises dithiocarbonic anhydride and solvent oil, and the mass percentage concentration of said dithiocarbonic anhydride is 1-3%; The quality of said dithiocarbonic anhydride is the 35-50% of catalyst quality.
4. the method for the synthetic oil product modification agent of washing oil hydrogenation according to claim 2; It is characterized in that: said step is repeatedly flooded alumina supporter in (2); The mixing solutions of each dipping is the mixing solutions of preparation in the step (1), and before each dipping carrier is dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210116808.7A CN102618321B (en) | 2012-04-20 | 2012-04-20 | Method for synthesizing oil modifier by hydrogenating washing oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210116808.7A CN102618321B (en) | 2012-04-20 | 2012-04-20 | Method for synthesizing oil modifier by hydrogenating washing oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102618321A true CN102618321A (en) | 2012-08-01 |
| CN102618321B CN102618321B (en) | 2014-04-16 |
Family
ID=46558536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210116808.7A Active CN102618321B (en) | 2012-04-20 | 2012-04-20 | Method for synthesizing oil modifier by hydrogenating washing oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102618321B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108855163A (en) * | 2017-05-16 | 2018-11-23 | 江苏华伦化工有限公司 | A kind of ten tail oil catalyst for cracking of reformation carbon and its preparation and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248238A (en) * | 1999-03-03 | 2000-09-12 | Sekisui Chem Co Ltd | Adhesive sheet |
| CN1772846A (en) * | 2005-11-17 | 2006-05-17 | 中国石油化工集团公司 | Coal tar hydrogenating modification catalyst and its prepn and application |
| CN101037614A (en) * | 2006-03-17 | 2007-09-19 | 中国石油天然气股份有限公司 | Hydrofining catalyst, preparation method and application |
| CN101574695A (en) * | 2009-06-12 | 2009-11-11 | 贵州电力试验研究院 | Method and device for flushing vapor side of high-low pressure heater in large-sized heat-engine plant |
-
2012
- 2012-04-20 CN CN201210116808.7A patent/CN102618321B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248238A (en) * | 1999-03-03 | 2000-09-12 | Sekisui Chem Co Ltd | Adhesive sheet |
| CN1772846A (en) * | 2005-11-17 | 2006-05-17 | 中国石油化工集团公司 | Coal tar hydrogenating modification catalyst and its prepn and application |
| CN101037614A (en) * | 2006-03-17 | 2007-09-19 | 中国石油天然气股份有限公司 | Hydrofining catalyst, preparation method and application |
| CN101574695A (en) * | 2009-06-12 | 2009-11-11 | 贵州电力试验研究院 | Method and device for flushing vapor side of high-low pressure heater in large-sized heat-engine plant |
Non-Patent Citations (1)
| Title |
|---|
| 李世宏等: "洗油加氢技术研究探讨", 《化学工程师》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108855163A (en) * | 2017-05-16 | 2018-11-23 | 江苏华伦化工有限公司 | A kind of ten tail oil catalyst for cracking of reformation carbon and its preparation and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102618321B (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102380311B (en) | Gasoline adsorption desulfuration regeneration smoke treatment method and tail gas hydrogenation catalyst preparation method thereof | |
| CN105126815B (en) | A kind of inferior heavy oil suspension bed hydrogenation catalyst and its preparation and application | |
| CN103007941B (en) | Preparation method for catalyst used in process of preparing furfuryl alcohol by furfural through selective hydrogenation | |
| CN102653691A (en) | Device and method for preparing oxygen-containing liquid fuel by catalytically converting biological oil | |
| CN105733646B (en) | A kind of method of high-grade aliphatic ester Hydrogenation hydrocarbon | |
| CN108130112A (en) | The method that one kettle way or one-step method prepare diesel oil or aviation kerosine | |
| CN102911011A (en) | Method for preparing 1,5-pentadiol by means of selective hydrogenolysis of tetrahydrofurfuryl alcohol | |
| CN105032428A (en) | Preparation method for synthesizing catalyst by microwave heating and one-step cyclohexylamine synthesizing method by catalyst prepared based on preparation method | |
| CN103724544B (en) | The preparation method of hydrogenation dcpd resin | |
| CN101412932B (en) | Sulfur-tolerant shift process for preparing methyl methanol syngas | |
| CN102872875A (en) | Slurry bed methanation catalyst, preparing method and application | |
| CN103506130B (en) | A kind of Catalysts and its preparation method of synthesis of methyl mercaptan | |
| CN102070988A (en) | Method for producing water-white hydrogenated rosin | |
| CN103848719A (en) | Method for preparing 1,5-pentanediol via selective hydrogenolysis of tetrahydrofurfuryl alcohol | |
| CN104402783B (en) | A kind of preparation method of sulfhydryl compound | |
| CN111234867B (en) | C for pyrolysis gasoline9+Method for hydrogenating distillate | |
| CN102618321B (en) | Method for synthesizing oil modifier by hydrogenating washing oil | |
| CN104258900A (en) | Preparation of hydrodesulfurization catalyst for coking benzene and using method of the catalyst | |
| CN101302439A (en) | Hydrocatalyst for preparing fuel by hydrodealkylation of coal-tar pitch and preparation thereof | |
| CN104987882B (en) | A method of utilizing preparing diesel from coal tar | |
| CN103122256A (en) | Application of W-Mo-Ni catalyst in hydrogenation of mixture of crude benzene and absorber oil | |
| CN102627980B (en) | Hydrogenation upgrading method for ethylene cracking by-product carbon-9 fraction | |
| CN205907206U (en) | Production system of coumarone resin | |
| CN202543163U (en) | Device for preparing oxygen-containing liquid fuel by performing catalytic conversion on bio oil | |
| CN103566965A (en) | Molybdenum-based molecular sieve catalyst, and preparation method and application of catalyst |
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 | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212300 No.1 North Second Ring Road, Danyang City, Nanjing, Jiangsu Province Patentee after: Jiangsu Liandong Chemical Co.,Ltd. Address before: 212300 No.1 North Second Ring Road, Danyang City, Nanjing, Jiangsu Province Patentee before: JIANGSU LIANDONG CHEMICAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231025 Address after: No. 189 Dawei East Road, Jiangbei New District, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Qidong Chemical Co.,Ltd. Address before: 212300 No.1 North Second Ring Road, Danyang City, Nanjing, Jiangsu Province Patentee before: Jiangsu Liandong Chemical Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for synthesizing oil upgrading agents through washing oil and hydrogenation Granted publication date: 20140416 Pledgee: Nanjing Bank Co.,Ltd. Nanjing Financial City Branch Pledgor: Nanjing Qidong Chemical Co.,Ltd. Registration number: Y2024980023144 |