CN102311774B - Method for producing low freezing point diesel fuel by using mixing oil - Google Patents
Method for producing low freezing point diesel fuel by using mixing oil Download PDFInfo
- Publication number
- CN102311774B CN102311774B CN201110236078.XA CN201110236078A CN102311774B CN 102311774 B CN102311774 B CN 102311774B CN 201110236078 A CN201110236078 A CN 201110236078A CN 102311774 B CN102311774 B CN 102311774B
- Authority
- CN
- China
- Prior art keywords
- mixing oil
- reactor
- palladium catalyst
- freezing point
- diesel fuel
- 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 - Fee Related
Links
- 239000002283 diesel fuel Substances 0.000 title claims abstract description 17
- 238000007710 freezing Methods 0.000 title claims abstract description 13
- 230000008014 freezing Effects 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000003054 catalyst Substances 0.000 claims abstract description 21
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 21
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000003197 catalytic effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- VKNUORWMCINMRB-UHFFFAOYSA-N diethyl malate Chemical compound CCOC(=O)CC(O)C(=O)OCC VKNUORWMCINMRB-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000007670 refining Methods 0.000 abstract description 2
- -1 hydroxy diethyl succinate Chemical compound 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention belongs to the petrochemical industry refining field, and especially discloses a method for producing low freezing point diesel fuel by using mixing oil. According to the method, mixing oil, a palladium catalyst, cyclohexylamine, N-methyl morpholine and hydroxy diethyl succinate are taken as raw materials, and the low freezing point diesel fuel can be obtained by catalytic rectifying, purifying and modulating. The invention has the advantages of simple technology, easy operation, low cost, high product yield, good separation for mixing oil, and accords with the national standard, realizes the re-utilization of resource and reaches the national environmental protection requirement.
Description
(1) technical field
The invention belongs to petrochemical complex refining field, particularly a kind of method of utilizing mixing oil to produce low freezing point diesel fuel.
(2) background technology
Diesel oil is a kind of important power fuel, has occupied higher share in existing fuel structure.The continuous expansion of the diesel oil scale of developing rapidly of society economy, particularly transport facility, also increases day by day to the demand of diesel oil.The diesel oil generally using now comes from oil, and global petroleum resources are valuable and limited, along with the development of modern industry is also increasing to petroleum demand, the problem of energy scarcity also becomes increasingly conspicuous, and save energy is also found one of subject matter that the novel alternative energy source Yi Shi world today faces.
Mixing oil is because itself impurity is more, complicated component can not directly be utilized, and if its sepn process is accurate not, be easy to cause environmental pollution, the purity of isolated each composition oil can be very not high yet simultaneously, finally causes directly applying.
(3) summary of the invention
The present invention, in order to make up the deficiencies in the prior art, provides the mixing oil that utilizes that a kind of technique is simple, product yield is high to produce the method for low freezing point diesel fuel.
The present invention is achieved through the following technical solutions:
Utilize mixing oil to produce a method for low freezing point diesel fuel, comprise the steps:
(1) mixing oil is placed in to reactor, in reactor, adds hexahydroaniline, N-methylmorpholine and hydroxy-butanedioic acid diethyl ester, catalytic tower is set on reactor;
The weight proportion of described mixing oil, hexahydroaniline, N-methylmorpholine and hydroxy-butanedioic acid diethyl ester is 198:0.01 ~ 0.03:0.02 ~ 0.025:0.03 ~ 0.07.
Catalytic tower is three layers, is followed successively by from top to bottom active carbon layer, thin palladium catalyst layer and thick palladium catalyst layer; Described thin palladium catalyst diameter is 1.5 ~ 2mm, long 0 ~ 30mm, and thick palladium catalyst diameter is 3 ~ 5mm, long 0 ~ 25mm.
(2) reactor is heated to 160 ~ 360 ℃, carries out rectifying, the upper cooling system that connects of reactor outlet, by cooling material rear collection;
In cooling system, cooling water inlet temperature≤35 ℃, temperature out≤40 ℃, material inlet temperature is 163 ~ 360 ℃, temperature out is 45 ~ 50 ℃.
(3) to the material modulation of purifying at normal temperatures and pressures of collecting, obtain low freezing point diesel fuel.
Product index of the present invention is:
Cetane value 50 ~ 65,
Boiling range: 50% 280 ~ 285 ℃ of recovered temperatures
90% 347 ~ 350 ℃ of recovered temperatures
95% 358 ~ 360 ℃ of recovered temperatures,
Flash-point (close point) ℃ 65 ~ 67,
Copper corrosion (50 ℃, 3h) level 1,
Acidity 2 ~ 3,
Water soluble acid or alkali without,
Accelerate stability sediment mg/100ml 1 ~ 1.5,
Cold filter clogging temperature ℃-20 ~-30,
Density kg/l 0.816 ~ 0.832.
Technique of the present invention is simple, easily operation, and cost is low, and product yield is high, to the separator well of mixing oil, meets national standard, has realized resource reutilization, has reached national requirements for environmental protection.
(4) embodiment
Embodiment 1:
(1) 198g mixing oil is placed in to reactor, in reactor, adds 0.01g hexahydroaniline, 0.02gN-methylmorpholine and 0.03g hydroxy-butanedioic acid diethyl ester, catalytic tower is set on reactor;
Catalytic tower is three layers, is followed successively by from top to bottom active carbon layer, thin palladium catalyst layer and thick palladium catalyst layer; Described thin palladium catalyst diameter is 1.5 ~ 2mm, long 0 ~ 30mm, and thick palladium catalyst diameter is 3 ~ 5mm, long 0 ~ 25mm.
(2) reactor is heated to 160 ~ 360 ℃, carries out rectifying, the upper cooling system that connects of reactor outlet, by cooling material rear collection;
In cooling system, cooling water inlet temperature≤35 ℃, temperature out≤40 ℃, material inlet temperature is 163 ~ 360 ℃, temperature out is 45 ~ 50 ℃.
(3) to the material modulation of purifying at normal temperatures and pressures of collecting, obtain low freezing point diesel fuel.
Embodiment 2:
(1) 198g mixing oil is placed in to reactor, in reactor, adds 0.03g hexahydroaniline, 0.025gN-methylmorpholine and 0.07g hydroxy-butanedioic acid diethyl ester, catalytic tower is set on reactor;
Catalytic tower is three layers, is followed successively by from top to bottom active carbon layer, thin palladium catalyst layer and thick palladium catalyst layer; Described thin palladium catalyst diameter is 1.5 ~ 2mm, long 0 ~ 30mm, and thick palladium catalyst diameter is 3 ~ 5mm, long 0 ~ 25mm.
(2) reactor is heated to 160 ~ 360 ℃, carries out rectifying, the upper cooling system that connects of reactor outlet, by cooling material rear collection;
In cooling system, cooling water inlet temperature≤35 ℃, temperature out≤40 ℃, material inlet temperature is 163 ~ 360 ℃, temperature out is 45 ~ 50 ℃.
(3) to the material modulation of purifying at normal temperatures and pressures of collecting, obtain low freezing point diesel fuel.
Embodiment 3:
(1) 198g mixing oil is placed in to reactor, in reactor, adds 0.02g hexahydroaniline, 0.0225gN-methylmorpholine and 0.05g hydroxy-butanedioic acid diethyl ester, catalytic tower is set on reactor;
Catalytic tower is three layers, is followed successively by from top to bottom active carbon layer, thin palladium catalyst layer and thick palladium catalyst layer; Described thin palladium catalyst diameter is 1.5 ~ 2mm, long 0 ~ 30mm, and thick palladium catalyst diameter is 3 ~ 5mm, long 0 ~ 25mm.
(2) reactor is heated to 160 ~ 360 ℃, carries out rectifying, the upper cooling system that connects of reactor outlet, by cooling material rear collection;
In cooling system, cooling water inlet temperature≤35 ℃, temperature out≤40 ℃, material inlet temperature is 163 ~ 360 ℃, temperature out is 45 ~ 50 ℃.
(3) to the material modulation of purifying at normal temperatures and pressures of collecting, obtain low freezing point diesel fuel.
Claims (2)
1. utilize mixing oil to produce a method for low freezing point diesel fuel, it is characterized by, comprise the steps:
(1) mixing oil is placed in to reactor, in reactor, adds hexahydroaniline, N-methylmorpholine and hydroxy-butanedioic acid diethyl ester, catalytic tower is set on reactor; Catalytic tower is three layers, is followed successively by from top to bottom active carbon layer, thin palladium catalyst layer and thick palladium catalyst layer; Thin palladium catalyst diameter is 1.5 ~ 2mm, length≤30mm, and thick palladium catalyst diameter is 3 ~ 5mm, length≤25mm; The weight proportion of described mixing oil, hexahydroaniline, N-methylmorpholine and hydroxy-butanedioic acid diethyl ester is 198:0.01 ~ 0.03:0.02 ~ 0.025:0.03 ~ 0.07;
(2) reactor is heated to 160 ~ 360 ℃, carries out rectifying, the upper cooling system that connects of reactor outlet, by cooling material rear collection;
(3) to the material modulation of purifying at normal temperatures and pressures of collecting.
2. the method for utilizing mixing oil to produce low freezing point diesel fuel according to claim 1, is characterized in that: in cooling system, and cooling water inlet temperature≤35 ℃, temperature out≤40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110236078.XA CN102311774B (en) | 2011-08-17 | 2011-08-17 | Method for producing low freezing point diesel fuel by using mixing oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110236078.XA CN102311774B (en) | 2011-08-17 | 2011-08-17 | Method for producing low freezing point diesel fuel by using mixing oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102311774A CN102311774A (en) | 2012-01-11 |
| CN102311774B true CN102311774B (en) | 2014-04-16 |
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| CN201110236078.XA Expired - Fee Related CN102311774B (en) | 2011-08-17 | 2011-08-17 | Method for producing low freezing point diesel fuel by using mixing oil |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200974836Y (en) * | 2006-05-12 | 2007-11-14 | 李平 | Used oil regeneration utilization equipment |
| CN101280229A (en) * | 2008-05-16 | 2008-10-08 | 运城市丰喜新能源开发有限公司 | Alcohol fuel additive capable of preventing metal corrosion and inhibiting rubber swelling |
| CN101531948A (en) * | 2009-04-10 | 2009-09-16 | 熊道陵 | New technology for catalytically cracking light diesel oil from waste motor oil |
-
2011
- 2011-08-17 CN CN201110236078.XA patent/CN102311774B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200974836Y (en) * | 2006-05-12 | 2007-11-14 | 李平 | Used oil regeneration utilization equipment |
| CN101280229A (en) * | 2008-05-16 | 2008-10-08 | 运城市丰喜新能源开发有限公司 | Alcohol fuel additive capable of preventing metal corrosion and inhibiting rubber swelling |
| CN101531948A (en) * | 2009-04-10 | 2009-09-16 | 熊道陵 | New technology for catalytically cracking light diesel oil from waste motor oil |
Non-Patent Citations (4)
| Title |
|---|
| Research on Waste Oil Producing Diesel Key Technologies and Cleaner Production on New Technology;王杰红等;《中山大学学报(自然科学版)》;20090715;第48卷;第116-12页 * |
| 孙洪友.废机油裂解生产柴油新技术.《农村新技术》.2001,(第12期), |
| 废机油裂解生产柴油新技术;孙洪友;《农村新技术》;20011205(第12期);第32页 * |
| 王杰红等.Research on Waste Oil Producing Diesel Key Technologies and Cleaner Production on New Technology.《中山大学学报(自然科学版)》.2009,第48卷 |
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| Publication number | Publication date |
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| CN102311774A (en) | 2012-01-11 |
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Effective date of registration: 20160224 Address after: 251100 Shandong city of Dezhou province Qingyun Hongyun high tech Industrial Development Zone (East Ring Road North Qi Yaoxin energy) Patentee after: SHANDONG SUSHI ENVIRONMENTAL PROTECTION ENERGY TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 1102 room 3, building D, 29 Wenhua East Road, Lixia District, Shandong, Ji'nan, 250000 Patentee before: Su Huashan |
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