CN102746878B - Catalytic reforming method - Google Patents
Catalytic reforming method Download PDFInfo
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- CN102746878B CN102746878B CN201210272510.5A CN201210272510A CN102746878B CN 102746878 B CN102746878 B CN 102746878B CN 201210272510 A CN201210272510 A CN 201210272510A CN 102746878 B CN102746878 B CN 102746878B
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Abstract
The invention discloses a catalytic reforming method. The method comprises the steps of mixing a Pt-[HSO3-BVIM]HSO4SiO2 metal nano particle-ionic liquid type catalytic agent and a hydrogenation oil product in a mass ratio of 0.1:100-50:100, then stirring at the speed of no less than 1000r/min, controlling the reforming speed to be in a range between no less than 160 DEG C and no more than 350 DEG C, and controlling the reforming pressure to be in a range between no less than 0.8Mpa and no more than 2Mpa to perform the catalytic reforming. According to the method, the catalytic reforming reaction is achieved under the condition of a low temperature, so that the energy consumption of the reforming reaction is reduced, and the production cost of petroleum refining is reduced; besides, the catalytic reforming reaction is achieved under the condition of a low pressure, the requirements of the reforming reaction for the safety of a production system devices are reduced, and the device cost of a petroleum refining production system is reduced.
Description
Technical field
The present invention relates to a kind of catalystic reforming method for refining of petroleum production technique.
Background technology
Catalytic reforming is under the condition having catalyst action, the hydrocarbon molecules structure in gasoline fraction is rearranged into the process of new molecular structure, is one of most important Technology in petroleum refining process.Catalytic reforming under heating, hydrogen pressure and catalyzer existent condition, the stop bracket gasoline (reformed gasoline) light gasoline fraction of crude distillation gained (or petroleum naphtha) being transformed into be rich in aromatic hydrocarbons, and by-product liquefied petroleum gas (LPG) and hydrogen.
Existing catalytic reforming adopts Ni class packed catalyst Raschig ring, and be loaded in reaction tower, belong to High Temperature High Pressure catalytic reforming, its temperature is more than 350 DEG C, and pressure is at more than 2Mpa.Due to the production cost mainly energy consumption cost of reforming reaction, existing catalytic reforming reaction temperature is high, pressure large, causes catalytic reforming reaction energy consumption high, improves the production cost of refining of petroleum; Meanwhile, due to reaction very exothermic, temperature of reaction is high, and pressure is large, very high to production system safety equipment requirement, improves the equipment cost of refining of petroleum production system.Its basic reason is, the catalytic activity of existing reforming catalyst can not be played completely, thus cannot reduce temperature of reaction and the pressure of catalytic reforming.
In the past between 30 years, catalytic reforming technology there is no improvement.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of catalystic reforming method, overcomes the defect that energy consumption is high, production system equipment cost is high that prior art exists.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of catalystic reforming method, it is characterized in that, comprise the steps:
S1, by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 0.1:100 ~ 50:100 mix;
S2, to stir with the speed being more than or equal to 1000r/min, control reforming temperature being more than or equal to 160 DEG C, being less than or equal within the scope of 350 DEG C, controlling reforming pressure being more than or equal to 0.8Mpa, being less than or equal within the scope of 2Mpa and carrying out catalytic reforming, obtain reformate;
Wherein, Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type method for preparing catalyst is as follows: in reaction vessel, add [HSO continuously
3-bvim] HSO
4/ SiO
2solid acid catalyst, H
2ptCl
6the aqueous solution, dehydrated alcohol, react 3h under reflux, then leaves standstill 21h, centrifugal except desolventizing, after fully washing, at 80 DEG C, is dried to constant weight, obtains Pt-[HSO with dehydrated alcohol
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer.
In catalystic reforming method of the present invention, described stirring velocity is for being more than or equal to 1000r/min, being less than or equal to 1500r/min.
In catalystic reforming method of the present invention, described reforming temperature is for being more than or equal to 180 DEG C, being less than or equal to 200 DEG C.
In catalystic reforming method of the present invention, described reforming pressure is for being more than or equal to 0.9Mpa, being less than or equal to 1.0Mpa.
Implement catalystic reforming method of the present invention, compared with the prior art, its beneficial effect is:
1. under lower temperature condition, achieve completing of catalytic reforming reaction, thus reduce reforming reaction energy consumption, reduce the production cost of refining of petroleum;
2. under power condition at low pressure, achieve completing of catalytic reforming reaction, thus reduce the requirement of reforming reaction to production system device security, reduce the equipment cost of refining of petroleum production system.
Accompanying drawing explanation
Fig. 1 is the schema of catalystic reforming method of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, as follows at catalystic reforming method of the present invention:
First, by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 0.1:100 ~ 50:100 mix.
Then, stir with the speed being more than or equal to 1000r/min, and control reforming temperature 160 DEG C≤T≤350 DEG C, control reforming pressure 0.8Mpa≤P≤2Mpa, carry out Reforming catalyst, obtain reformate.
Wherein, Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer can obtain as follows:
[HSO is added continuously in reaction vessel
3-bvim] HSO
4/ SiO
2solid acid catalyst, H
2ptCl
6the aqueous solution, dehydrated alcohol, react 3h under reflux, then leaves standstill 21h, centrifugal except desolventizing, after fully washing, at 80 DEG C, is dried to constant weight, namely obtains Pt-[HSO with dehydrated alcohol
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer.
Embodiment one
First by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 0.1:100 mix.
Then, stir with the speed of 1000r/min, and to control reforming temperature T be 160 DEG C, controlling reforming pressure P is 0.8Mpa, carries out Reforming catalyst, obtains reformate.
Embodiment two
First by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 10:100 mix.
Then, stir with the speed of 1200r/min, and to control reforming temperature T be 180 DEG C, controlling reforming pressure P is 0.9Mpa, carries out Reforming catalyst, obtains reformate.
Embodiment three
First by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 20:100 mix.
Then, stir with the speed of 1300r/min, and to control reforming temperature T be 200 DEG C, controlling reforming pressure P is 0.1Mpa, carries out Reforming catalyst, obtains reformate.
Embodiment four
First by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 30:100 mix.
Then, stir with the speed of 1500r/min, and to control reforming temperature T be 250 DEG C, controlling reforming pressure P is 1.5Mpa, carries out Reforming catalyst, obtains reformate.
Embodiment five
First by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 40:100 mix.
Then, stir with the speed of 1600r/min, and to control reforming temperature T be 300 DEG C, controlling reforming pressure P is 1.8Mpa, carries out Reforming catalyst, obtains reformate.
Embodiment six
First by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 50:100 mix.
Then, stir with the speed of 1800r/min, and to control reforming temperature T be 350 DEG C, controlling reforming pressure P is 2.0Mpa, carries out Reforming catalyst, obtains reformate.
In above-described embodiment, the cooperation of reforming temperature and reforming pressure can adjust change.Such as, when control reforming temperature T is 200 DEG C, reforming pressure controls, at 0.8Mpa≤P≤2Mpa, all can realize the object of the invention; When control reforming pressure P is 1.0Mpa, reforming temperature controls, 160 DEG C≤T≤350 DEG C, all can realize the object of the invention.
Claims (5)
1. a catalystic reforming method, is characterized in that, comprises the steps:
S1, by Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer and hydrogenation oil product in mass ratio 0.1:100 ~ 50:100 mix;
S2, to stir with the speed being more than or equal to 1000r/min, control reforming temperature being more than or equal to 160 DEG C, being less than or equal within the scope of 350 DEG C, controlling reforming pressure being more than or equal to 0.8Mpa, being less than or equal within the scope of 2Mpa and carrying out catalytic reforming, obtain reformate;
Wherein, Pt-[HSO
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type method for preparing catalyst is as follows: in reaction vessel, add [HSO continuously
3-bvim] HSO
4/ SiO
2solid acid catalyst, H
2ptCl
6the aqueous solution, dehydrated alcohol, react 3h under reflux, then leaves standstill 21h, centrifugal except desolventizing, after fully washing, at 80 DEG C, is dried to constant weight, obtains Pt-[HSO with dehydrated alcohol
3-bvim] HSO
4/ SiO
2metal nanoparticle-ion liquid type catalyzer.
2. catalystic reforming method as claimed in claim 1, it is characterized in that, described stirring velocity is for being more than or equal to 1000r/min, being less than or equal to 1500r/min.
3. catalystic reforming method as claimed in claim 1 or 2, it is characterized in that, described reforming temperature is for being more than or equal to 180 DEG C, being less than or equal to 200 DEG C.
4. catalystic reforming method as claimed in claim 1 or 2, it is characterized in that, described reforming pressure is for being more than or equal to 0.9Mpa, being less than or equal to 1.0Mpa.
5. catalystic reforming method as claimed in claim 3, it is characterized in that, described reforming pressure is for being more than or equal to 0.9Mpa, being less than or equal to 1.0Mpa.
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| CN201210272510.5A CN102746878B (en) | 2012-08-02 | 2012-08-02 | Catalytic reforming method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391228A (en) * | 2008-11-05 | 2009-03-25 | 河北工业大学 | Loaded dual-function catalyst and preparation method and use thereof |
| CN101397273A (en) * | 2008-11-05 | 2009-04-01 | 河北工业大学 | 1-vinyl-3-sulfobutyl imidazole bisulfate and preparation method thereof |
| CN102102036A (en) * | 2009-12-22 | 2011-06-22 | 北京金伟晖工程技术有限公司 | Catalytic reforming method capable of increasing arene yield |
| CN102352265A (en) * | 2011-07-08 | 2012-02-15 | 中国石油天然气股份有限公司 | Method of producing catalytic reforming raw materials |
| CN102492462A (en) * | 2011-11-23 | 2012-06-13 | 抚顺仁和生物燃料化工科技开发有限公司 | Ionic liquid-solid superacid catalysis light hydrocarbon isomerization method |
-
2012
- 2012-08-02 CN CN201210272510.5A patent/CN102746878B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391228A (en) * | 2008-11-05 | 2009-03-25 | 河北工业大学 | Loaded dual-function catalyst and preparation method and use thereof |
| CN101397273A (en) * | 2008-11-05 | 2009-04-01 | 河北工业大学 | 1-vinyl-3-sulfobutyl imidazole bisulfate and preparation method thereof |
| CN102102036A (en) * | 2009-12-22 | 2011-06-22 | 北京金伟晖工程技术有限公司 | Catalytic reforming method capable of increasing arene yield |
| CN102352265A (en) * | 2011-07-08 | 2012-02-15 | 中国石油天然气股份有限公司 | Method of producing catalytic reforming raw materials |
| CN102492462A (en) * | 2011-11-23 | 2012-06-13 | 抚顺仁和生物燃料化工科技开发有限公司 | Ionic liquid-solid superacid catalysis light hydrocarbon isomerization method |
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| CN102746878A (en) | 2012-10-24 |
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