CN107311830A - A kind of method that utilization mixed octene prepares isooctane - Google Patents
A kind of method that utilization mixed octene prepares isooctane Download PDFInfo
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- CN107311830A CN107311830A CN201710460136.4A CN201710460136A CN107311830A CN 107311830 A CN107311830 A CN 107311830A CN 201710460136 A CN201710460136 A CN 201710460136A CN 107311830 A CN107311830 A CN 107311830A
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- isooctane
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
- C07C5/03—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of non-aromatic carbon-to-carbon double bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
- C07C45/505—Asymmetric hydroformylation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
Abstract
The invention discloses a kind of method that utilization mixed octene prepares isooctane, it is related to technical field of petrochemical industry, comprises the following steps：(1) hydroformylation reaction prepares isononyl aldehyde, and (2) hydrogenation reaction prepares isooctane.The present invention reduces the reaction temperature and reaction pressure of hydroformylation reaction and hydrogenation reaction by the use of supported cobalt catalysts and load type palladium catalyst, so as to reduce energy consumption of reaction input；Ensure the yield of isononyl aldehyde and isooctane simultaneously, the conversion ratio that the component such as dimethyhexenes in mixed octene is converted into isononyl aldehyde is reached more than 99%, the conversion ratio that trimethylpentene is converted into isooctane reaches 100%, so as to improve the economic benefit of mixed octene.
Description
Technical field：
The present invention relates to technical field of petrochemical industry, and in particular to a kind of method that utilization mixed octene prepares isooctane.
Background technology：
Isooctane is important organic chemicals, as gasoline additive, can improve octane number.Mixed octene can
To be obtained by butene oligomerization, because used catalyst is different with technique, gained mixed octene mainly contains after butene oligomerization
There is alkene in the side chains such as trimethylpentene, dimethyhexenes, methyl heptenyl.Isononyl aldehyde can be passed through by mixed octene and synthesis gas
Hydroformylation reaction is made, and isononyl aldehyde is a kind of plasticizer of function admirable.
In the different isomer of mixed octene, the reactivity of hydroformylation is trimethylpentene successively<Dimethyl oneself
Alkene<Methyl heptenyl, and interior alkene<Hold alkene.The trimethylpentene contained in mixed octene is difficult to convert into isononyl aldehyde, if using liter
The method of high reaction temperature and raising synthesis atmospheric pressure can make trimethylpentene be converted into isononyl aldehyde, but can increase reaction simultaneously
Accessory substance, improves production cost.Therefore, in order that raw material is fully used contained by mixed octene, isononyl aldehyde can prepared
While surplus stock is converted into isooctane, so as to increase economic benefit.
The content of the invention：
The technical problems to be solved by the invention are to provide a kind of feed stock conversion height, the renewable profit of catalyst
The method that isooctane is prepared with mixed octene.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of method that utilization mixed octene prepares isooctane, comprises the following steps：
(1) hydroformylation reaction prepares isononyl aldehyde：Into autoclave add mixed octene, supported cobalt catalysts and
Methanol, seals reactor, CO and H is passed through into reactor2Volume ratio 1:1 synthesis gas, control hydroformylation reaction temperature exists
140-145 DEG C, reaction pressure in 6.5-7MPa, kettle temperature is naturally cooled to room temperature, kettle pressure nature after terminating and is down to normal pressure by reaction,
Then kettle liquid is drawn off, vacuum distillation after filtering obtains product isononyl aldehyde and unreacted trimethylpentene；
(2) hydrogenation reaction prepares isooctane：The isolated trimethylpentene of upper step is added in another autoclave,
And add load type palladium catalyst, seal reactor, first in the middle of reactor it is open close enter H2To displace air in kettle, Ran Houchi
It is continuous to be passed through H2, control hydrogenation reaction temperature is at 150-155 DEG C, and reaction pressure is in 6-6.5MPa, and reaction is natural by kettle temperature after terminating
It is cooled to room temperature, kettle pressure nature and is down to normal pressure, then draws off kettle liquid, through being filtrated to get isooctane.
The mixed octene, supported cobalt catalysts, the mass ratio of load type palladium catalyst are 10:0.5-1:0.1-0.5.
The supported cobalt catalysts are made by cobalt acetate, the impregnated method of molecular sieve carrier, and its specific preparation method is：Stir
The lower ethanol that is added dropwise into cobalt acetate is mixed up to being completely dissolved, molecular sieve carrier and the deionization with molecular sieve carrier equivalent is added
Water, is sufficiently mixed, and gained mixture is stood in microwave reflow treatment 5min under microwave frequency 2450MHz, power output 700W
Microwave reflow treatment 5min again after 10min, gained mixed liquor naturally cools to room temperature, filters, gained filter residue is in 100-105 DEG C
Lower drying, produces supported cobalt catalysts.
The mass ratio of the cobalt acetate and molecular sieve carrier is 1:5-10.
The load type palladium catalyst is made by palladium bichloride, the impregnated method of molecular sieve carrier, and its specific preparation method is：Stir
The lower ethanol that is added dropwise into palladium bichloride is mixed up to being completely dissolved, molecular sieve carrier and the deionization with molecular sieve carrier equivalent is added
Water, is sufficiently mixed, and gained mixture is in microwave reflow treatment 10min, gained under microwave frequency 2450MHz, power output 700W
Mixed liquor naturally cools to room temperature, filtering, and gained filter residue is in insulation grinding at 100-105 DEG C until drying completely, produces load
Type palladium catalyst.
The mass ratio of the palladium bichloride and molecular sieve carrier is 1:5-10.
The molecular sieve carrier is mixed to prepare by molecular screen primary powder with adhesive, and its specific preparation method is：By molecular sieve
Former powder is with adhesive according to 5:1 mass ratio mixing, is warming up to 80-85 DEG C of insulation grinding 15-30min, adds water stirring and be made
Solid content reaches to be dried in 25-35% solution, gained mixed liquor feeding spray dryer, and the spheric granules of 20-40 mesh is made,
And less than 3% is dropped in being dried at 100-110 DEG C to water content, produce molecular sieve carrier.
Described adhesive is made up of the raw material of following parts by weight：5-10 parts of volcanic ash, PAMC 3-5
Part, 1-3 parts of polyglutamic acid, 0.5-1 parts of nanometer titanium dioxide, 0.3-0.5 parts of diallyl dimethyl ammoniumchloride, polytetrafluoroethyl-ne
0.1-0.2 parts of alkene superfine powder, 0.05-0.1 parts of nano zine oxide, its preparation method is：By PAMC, poly paddy
35-40 DEG C of water is added dropwise until being completely dissolved after propylhomoserin and diallyl dimethyl ammoniumchloride mixing, nanometer titanium dioxide is added
And superfine powder of polytetrafluoroethylene, reflux state insulated and stirred 15min is warming up to, volcanic ash and nano zine oxide is then added, fills
Divide mixing after sealing and standing 30min in 0-5 DEG C of environment, be finally warming up to 55-60 DEG C of insulation mixing 15min, produce adhesive.
The beneficial effects of the invention are as follows：The present invention passes through the use of supported cobalt catalysts and load type palladium catalyst, drop
The reaction temperature and reaction pressure of low hydrogen formylation reaction and hydrogenation reaction, so as to reduce energy consumption of reaction input；Ensure different simultaneously
The yield of aldehyde C-9 and isooctane, the conversion ratio for making the component such as dimethyhexenes in mixed octene be converted into isononyl aldehyde reach 99% with
On, the conversion ratio that trimethylpentene is converted into isooctane reaches 100%, so as to improve the economic benefit of mixed octene.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
(1) hydroformylation reaction prepares isononyl aldehyde：10g mixed octenes, 0.8g supported cobalts are added into autoclave
Catalyst and methanol, seal reactor, CO and H are passed through into reactor2Volume ratio 1:1 synthesis gas, control hydroformylation is anti-
Answer temperature in 140-145 DEG C, reaction pressure in 6.5-7MPa, kettle temperature is naturally cooled to room temperature, kettle after terminating and presses nature by reaction
Normal pressure is down to, then kettle liquid is drawn off, vacuum distillation after filtering obtains product isononyl aldehyde and unreacted trimethylpentene；
(2) hydrogenation reaction prepares isooctane：The isolated trimethylpentene of upper step is added in another autoclave,
And add 0.35g load type palladium catalysts, seal reactor, first in the middle of reactor it is open close enter H2To displace air in kettle,
Then it is continually fed into H2, control hydrogenation reaction temperature is at 150-155 DEG C, and reaction pressure is reacted kettle after terminating in 6-6.5MPa
Temperature naturally cools to room temperature, kettle pressure nature and is down to normal pressure, then draws off kettle liquid, through being filtrated to get isooctane.
The preparation of supported cobalt catalysts：Ethanol is added dropwise until being completely dissolved into 1g cobalt acetates under stirring, 5g is added
Molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, are sufficiently mixed, gained mixture in microwave frequency 2450MHz,
Microwave reflow treatment 5min under power output 700W, stands microwave reflow treatment 5min again after 10min, and gained mixed liquor is natural
Room temperature is cooled to, is filtered, gained filter residue produces supported cobalt catalysts in being dried at 100-105 DEG C.
The preparation of load type palladium catalyst：Ethanol is added dropwise until being completely dissolved into 1g palladium bichlorides under stirring, 8g is added
Molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, are sufficiently mixed, gained mixture in microwave frequency 2450MHz,
Microwave reflow treatment 10min under power output 700W, gained mixed liquor naturally cools to room temperature, filtering, and gained filter residue is in 100-
Insulation grinding at 105 DEG C is until drying completely, produces load type palladium catalyst.
The preparation of molecular sieve carrier：By molecular screen primary powder and adhesive according to 5:1 mass ratio mixing, is warming up to 80-85
DEG C insulation grinding 15min, adds water stirring and is made the solution that solid content reaches 25-35%, the feeding spray drying of gained mixed liquor
Dried in machine, the spheric granules of 20-40 mesh is made, and less than 3%, i.e. score are dropped in being dried at 100-110 DEG C to water content
Son sieve carrier.
The preparation of adhesive：By 3g PAMCs, 2g polyglutamic acids and 0.3g diallyl dimethyls
35-40 DEG C of water is added dropwise until being completely dissolved after ammonium chloride mixing, adds 0.5g nanometer titanium dioxides and 0.1g polytetrafluoroethylene (PTFE) is super
Fine powder, is warming up to reflux state insulated and stirred 15min, 10g volcanic ash and 0.1g nano zine oxides is then added, after being sufficiently mixed
The sealing and standing 30min in 0-5 DEG C of environment, is finally warming up to 55-60 DEG C of insulation mixing 15min, produces adhesive.
Embodiment 2
(1) hydroformylation reaction prepares isononyl aldehyde：10g mixed octenes, 1g supported cobalts is added into autoclave to urge
Agent and methanol, seal reactor, CO and H are passed through into reactor2Volume ratio 1:1 synthesis gas, controls hydroformylation reaction
Temperature is in 140-145 DEG C, reaction pressure in 6.5-7MPa, and kettle temperature is naturally cooled to room temperature, kettle pressure nature drop by reaction after terminating
To normal pressure, then kettle liquid is drawn off, vacuum distillation after filtering obtains product isononyl aldehyde and unreacted trimethylpentene；
(2) hydrogenation reaction prepares isooctane：The isolated trimethylpentene of upper step is added in another autoclave,
And add 0.5g load type palladium catalysts, seal reactor, first in the middle of reactor it is open close enter H2To displace air in kettle, so
After be continually fed into H2, control hydrogenation reaction temperature is at 150-155 DEG C, and reaction pressure is reacted kettle temperature after terminating in 6-6.5MPa
Naturally cool to room temperature, kettle pressure nature and be down to normal pressure, then draw off kettle liquid, through being filtrated to get isooctane.
The preparation of supported cobalt catalysts：Ethanol is added dropwise until being completely dissolved into 1g cobalt acetates under stirring, 8g is added
Molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, are sufficiently mixed, gained mixture in microwave frequency 2450MHz,
Microwave reflow treatment 5min under power output 700W, stands microwave reflow treatment 5min again after 10min, and gained mixed liquor is natural
Room temperature is cooled to, is filtered, gained filter residue produces supported cobalt catalysts in being dried at 100-105 DEG C.
The preparation of load type palladium catalyst：Ethanol is added dropwise until being completely dissolved into 1g palladium bichlorides under stirring, 5g is added
Molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, are sufficiently mixed, gained mixture in microwave frequency 2450MHz,
Microwave reflow treatment 10min under power output 700W, gained mixed liquor naturally cools to room temperature, filtering, and gained filter residue is in 100-
Insulation grinding at 105 DEG C is until drying completely, produces load type palladium catalyst.
The preparation of molecular sieve carrier：By molecular screen primary powder and adhesive according to 5:1 mass ratio mixing, is warming up to 80-85
DEG C insulation grinding 30min, adds water stirring and is made the solution that solid content reaches 25-35%, the feeding spray drying of gained mixed liquor
Dried in machine, the spheric granules of 20-40 mesh is made, and less than 3%, i.e. score are dropped in being dried at 100-110 DEG C to water content
Son sieve carrier.
The preparation of adhesive：By 5g PAMCs, 1g polyglutamic acids and 0.5g diallyl dimethyls
35-40 DEG C of water is added dropwise until being completely dissolved after ammonium chloride mixing, adds 0.5g nanometer titanium dioxides and 0.2g polytetrafluoroethylene (PTFE) is super
Fine powder, is warming up to reflux state insulated and stirred 15min, then adds 10g volcanic ash and 0.05g nano zine oxides, is sufficiently mixed
After sealing and standing 30min in 0-5 DEG C of environment, 55-60 DEG C of insulation mixing 15min is finally warming up to, adhesive is produced.
Reference examples 1
(1) hydroformylation reaction prepares isononyl aldehyde：10g mixed octenes, 1g supported cobalts is added into autoclave to urge
Agent and methanol, seal reactor, CO and H are passed through into reactor2Volume ratio 1:1 synthesis gas, controls hydroformylation reaction
Temperature is in 140-145 DEG C, reaction pressure in 6.5-7MPa, and kettle temperature is naturally cooled to room temperature, kettle pressure nature drop by reaction after terminating
To normal pressure, then kettle liquid is drawn off, vacuum distillation after filtering obtains product isononyl aldehyde and unreacted trimethylpentene；
(2) hydrogenation reaction prepares isooctane：The isolated trimethylpentene of upper step is added in another autoclave,
And add 0.5g load type palladium catalysts, seal reactor, first in the middle of reactor it is open close enter H2To displace air in kettle, so
After be continually fed into H2, control hydrogenation reaction temperature is at 150-155 DEG C, and reaction pressure is reacted kettle temperature after terminating in 6-6.5MPa
Naturally cool to room temperature, kettle pressure nature and be down to normal pressure, then draw off kettle liquid, through being filtrated to get isooctane.
The preparation of supported cobalt catalysts：Ethanol is added dropwise until being completely dissolved into 1g cobalt acetates under stirring, 8g is added
Molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, are sufficiently mixed, gained mixture in microwave frequency 2450MHz,
Microwave reflow treatment 5min under power output 700W, stands microwave reflow treatment 5min again after 10min, and gained mixed liquor is natural
Room temperature is cooled to, is filtered, gained filter residue produces supported cobalt catalysts in being dried at 100-105 DEG C.
The preparation of load type palladium catalyst：Ethanol is added dropwise until being completely dissolved into 1g palladium bichlorides under stirring, 5g is added
Molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, are sufficiently mixed, gained mixture in microwave frequency 2450MHz,
Microwave reflow treatment 10min under power output 700W, gained mixed liquor naturally cools to room temperature, filtering, and gained filter residue is in 100-
Insulation grinding at 105 DEG C is until drying completely, produces load type palladium catalyst.
The preparation of molecular sieve carrier：By molecular screen primary powder and calcined kaolin according to 5:1 mass ratio mixing, is warming up to
80-85 DEG C of insulation grinding 30min, adds water stirring and the solution that solid content reaches 25-35%, the feeding spraying of gained mixed liquor is made
Dried in drying machine, the spheric granules of 20-40 mesh is made, and less than 3% is dropped in being dried at 100-110 DEG C to water content, i.e.,
Obtain molecular sieve carrier.
Reference examples 2
(1) hydroformylation reaction prepares isononyl aldehyde：Added into autoclave 10g mixed octenes, 0.5g cobalt acetates and
Methanol, seals reactor, CO and H is passed through into reactor2Volume ratio 1:1 synthesis gas, control hydroformylation reaction temperature exists
140-145 DEG C, reaction pressure in 6.5-7MPa, kettle temperature is naturally cooled to room temperature, kettle pressure nature after terminating and is down to normal pressure by reaction,
Then kettle liquid is drawn off, vacuum distillation after filtering obtains product isononyl aldehyde and unreacted trimethylpentene；
(2) hydrogenation reaction prepares isooctane：The isolated trimethylpentene of upper step is added in another autoclave,
And add 0.25g5wt%Pd/C catalyst, seal reactor, first in the middle of reactor it is open close enter H2To displace air in kettle,
Then it is continually fed into H2, control hydrogenation reaction temperature is at 150-155 DEG C, and reaction pressure is reacted kettle after terminating in 6-6.5MPa
Temperature naturally cools to room temperature, kettle pressure nature and is down to normal pressure, then draws off kettle liquid, through being filtrated to get isooctane.
Embodiment 3
It is utilized respectively embodiment 1, embodiment 2, reference examples 1, the methods described of reference examples 2 and prepares isooctane, determines remaining gas
Each component content in body, and calculate conversion ratio 1 and front three that the component such as dimethyhexenes in mixed octene is converted into isononyl aldehyde
Base amylene is converted into the conversion ratio 2 of isooctane, as a result as shown in table 1.
The mixed octene component conversion ratio of table 1
| Project | Embodiment 1 | Embodiment 2 | Reference examples 1 | Reference examples 2 |
| Conversion ratio 1 | 99.82% | 99.85% | 98.82% | 97.75% |
| Conversion ratio 2 | 100% | 100% | 99.34% | 98.76% |
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of method that utilization mixed octene prepares isooctane, it is characterised in that comprise the following steps：
(1) hydroformylation reaction prepares isononyl aldehyde：Mixed octene, supported cobalt catalysts and first are added into autoclave
Alcohol, seals reactor, CO and H is passed through into reactor2Volume ratio 1:1 synthesis gas, control hydroformylation reaction temperature exists
140-145 DEG C, reaction pressure in 6.5-7MPa, kettle temperature is naturally cooled to room temperature, kettle pressure nature after terminating and is down to normal pressure by reaction,
Then kettle liquid is drawn off, vacuum distillation after filtering obtains product isononyl aldehyde and unreacted trimethylpentene；
(2) hydrogenation reaction prepares isooctane：The isolated trimethylpentene of upper step is added in another autoclave, and added
Enter load type palladium catalyst, seal reactor, first in the middle of reactor it is open close enter H2To displace air in kettle, then persistently lead to
Enter H2, control hydrogenation reaction temperature is at 150-155 DEG C, and reaction pressure is reacted kettle temperature natural cooling after terminating in 6-6.5MPa
Normal pressure is down to room temperature, kettle pressure nature, is then drawn off kettle liquid, through being filtrated to get isooctane.
2. the method that utilization mixed octene according to claim 1 prepares isooctane, it is characterised in that：The mixing is pungent
Alkene, supported cobalt catalysts, the mass ratio of load type palladium catalyst are 10:0.5-1:0.1-0.5.
3. the method that utilization mixed octene according to claim 1 prepares isooctane, it is characterised in that：The supported cobalt
Catalyst is made by cobalt acetate, the impregnated method of molecular sieve carrier, and its specific preparation method is：Second is added dropwise under stirring into cobalt acetate
Alcohol adds molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, is sufficiently mixed up to being completely dissolved, gained mixing
Thing is stood after 10min at microwave backflow again in microwave reflow treatment 5min under microwave frequency 2450MHz, power output 700W
5min is managed, gained mixed liquor naturally cools to room temperature, filtered, gained filter residue produces supported cobalt and urged in being dried at 100-105 DEG C
Agent.
4. the method that utilization mixed octene according to claim 3 prepares isooctane, it is characterised in that：The cobalt acetate with
The mass ratio of molecular sieve carrier is 1:5-10.
5. the method that utilization mixed octene according to claim 1 prepares isooctane, it is characterised in that：The load type palladium
Catalyst is made by palladium bichloride, the impregnated method of molecular sieve carrier, and its specific preparation method is：Second is added dropwise under stirring into palladium bichloride
Alcohol adds molecular sieve carrier and the deionized water with molecular sieve carrier equivalent, is sufficiently mixed up to being completely dissolved, gained mixing
Thing naturally cools to room temperature in microwave reflow treatment 10min under microwave frequency 2450MHz, power output 700W, gained mixed liquor,
Filtering, gained filter residue is in insulation grinding at 100-105 DEG C until drying completely, produces load type palladium catalyst.
6. the method that utilization mixed octene according to claim 5 prepares isooctane, it is characterised in that：The palladium bichloride with
The mass ratio of molecular sieve carrier is 1:5-10.
7. the method that the utilization mixed octene according to claim 3 or 5 prepares isooctane, it is characterised in that：The molecule
Sieve carrier is mixed to prepare by molecular screen primary powder with adhesive, and its specific preparation method is：By molecular screen primary powder and adhesive according to
5:1 mass ratio mixing, is warming up to 80-85 DEG C of insulation grinding 15-30min, adds water stirring solid content is made and reach 25-35%
Solution, dry in gained mixed liquor feeding spray dryer, be made the spheric granules of 20-40 mesh, and in being dried at 100-110 DEG C
Do to water content and drop to less than 3%, produce molecular sieve carrier.
8. the method that utilization mixed octene according to claim 7 prepares isooctane, it is characterised in that：Described adhesive by
The raw material of following parts by weight is made：5-10 parts of volcanic ash, 3-5 parts of PAMC, 1-3 parts of polyglutamic acid, receive
0.5-1 parts of titanium dioxide of rice, 0.3-0.5 parts of diallyl dimethyl ammoniumchloride, 0.1-0.2 parts of superfine powder of polytetrafluoroethylene, receive
0.05-0.1 parts of zinc oxide of rice, its preparation method is：By PAMC, polyglutamic acid and polydiene dimethylamine
35-40 DEG C of water is added dropwise until being completely dissolved after ammonium chloride mixing, nanometer titanium dioxide and superfine powder of polytetrafluoroethylene is added, rises
Then temperature adds volcanic ash and nano zine oxide, is sufficiently mixed after in 0-5 DEG C of environment to reflux state insulated and stirred 15min
Sealing and standing 30min, is finally warming up to 55-60 DEG C of insulation mixing 15min, produces adhesive.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247486A (en) * | 1977-03-11 | 1981-01-27 | Union Carbide Corporation | Cyclic hydroformylation process |
| CN1587244A (en) * | 2004-07-02 | 2005-03-02 | 清华大学 | Process for producing isononyl aldehyde from mixed octene and synthetic gas |
| CN1631860A (en) * | 2004-12-03 | 2005-06-29 | 清华大学 | Method for preparing isooctane |
| CN103521268A (en) * | 2012-07-03 | 2014-01-22 | 中国科学院大连化学物理研究所 | Heterogeneous catalysts for alkene hydroformylation reaction and preparation method thereof |
-
2017
- 2017-06-17 CN CN201710460136.4A patent/CN107311830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247486A (en) * | 1977-03-11 | 1981-01-27 | Union Carbide Corporation | Cyclic hydroformylation process |
| CN1587244A (en) * | 2004-07-02 | 2005-03-02 | 清华大学 | Process for producing isononyl aldehyde from mixed octene and synthetic gas |
| CN1631860A (en) * | 2004-12-03 | 2005-06-29 | 清华大学 | Method for preparing isooctane |
| CN103521268A (en) * | 2012-07-03 | 2014-01-22 | 中国科学院大连化学物理研究所 | Heterogeneous catalysts for alkene hydroformylation reaction and preparation method thereof |
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