CN105038837A - Method for preparing hydrocarbon fuel through rapeseed oil residues - Google Patents
Method for preparing hydrocarbon fuel through rapeseed oil residues Download PDFInfo
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- CN105038837A CN105038837A CN201510440231.9A CN201510440231A CN105038837A CN 105038837 A CN105038837 A CN 105038837A CN 201510440231 A CN201510440231 A CN 201510440231A CN 105038837 A CN105038837 A CN 105038837A
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- rapeseed oil
- hydrocarbon fuel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
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Abstract
A method for preparing hydrocarbon fuel through rapeseed oil residues includes the following steps that firstly, silicon carbide spherical particles and an HZSM-5 spherical catalyst are weighed according to the mass ration of the silicon carbide spherical particles to the HZSM-5 spherical catalyst being 1:1-10:1, and the silicon carbide spherical particles and the HZSM-5 spherical catalyst are mixed evenly and added into a quartz reaction kettle; secondly, the quartz reaction kettle is placed in a microwave pyrolysis device and heated to 450-600 DEG C, mechanical stirring is conducted at the speed of 60-120 r/min, the rapeseed oil residues are added gradually, generated steam condenses, and the hydrocarbon fuel is obtained. The method is simple in process and quick in pyrolysis, obtained pyrolysis fuel is high in saturation degree, the content of cycloparaffin and aromatic hydrocarbons can reach 75%, the content of oxygen is low, low-temperature flowability is good, the calorific value is high, and stability is high.
Description
Technical field
The invention belongs to biomass energy transformation technology field.
Background technology
World energy sources is mostly the different fractions of petroleum derivative and oil, and aviation kerosene is one of petroleum products, and the hydrocarbon compound primarily of different fractions forms.China's oil resource is comparatively deficient, and its overdraw consumes also serious threat Homeland Security and restriction Economic development, and the research and development of renewable energy source become an extremely urgent problem.Biofuel is defined as the gaseous state produced from biomass energy or liquid fuel, the renewable hydrocarbon fuel being subject to extensive concern in biofuel has remarkable break-throughs in recent years, compare traditional biological diesel oil, it is little that high-quality hydrocarbon fuel has viscosity, low-temperature fluidity is good, cetane value high.
China is a vegetable oil production big country, a large amount of oil foot by products can be produced in the process utilizing the raw material production grease such as corn, cottonseed, vegetable seed, soybean, oil prodution industry was developed rapidly in recent years, annual oil and fat refining working ability is more than 5,100 ten thousand t, the oil foot produced in the refining course of processing and soap stock are at 1,000 ten thousand more than t, and the discharge of these soap stocks can cause huge environmental pollution, cheap soap stock is therefore utilized to be converted into renewable hydrocarbon fuel significant.
Main fatty hydrochlorate in oil foot, the free fatty acids namely in grease and sodium hydroxide react the sodium soap generated.All fatty acids containing raw oil material, and existing with the form of soap, containing less neutral oil and more pigment and ionogen.The impurity such as part neutral oil, lipid acid and pigment can be entrained with in the process be separated by soap stock, its composition is different with processing condition difference, be roughly: neutral oil (glyceryl ester) is 8% ~ 27%, soap (sodium soap) is 30% ~ 40%, all the other are mainly water, also have a small amount of free fatty acids, phosphatide and the material such as lipoid and pigment, its total fatty acid content is up to 40% ~ 60%.Present domestic soap stock is used for feed, soapmaking and making acidification oil, and the research of it being made oil fuel is less.
Summary of the invention
Object of the present invention provides a kind of method utilizing rapeseed oil residue to prepare hydrocarbon fuel.The method gained cracking hydrocarbon oil saturation ratio is high, and naphthenic hydrocarbon and aromatic hydrocarbon content can reach 75%, and oxygen level is low, and low-temperature fluidity is good, and calorific value is higher, and stability is strong.
The present invention is achieved by the following technical solutions.
A kind of method utilizing rapeseed oil residue to prepare hydrocarbon fuel of the present invention, its feature comprises the following steps.
(1) by silicon carbide spheroidal particle: the mass ratio of HZSM-5 spherical catalyst=1:1 ~ 10:1, take silicon carbide spheroidal particle and HZSM-5 spherical catalyst, mix and add in quartz reaction still.
(2) quartz reaction still is placed in microwave cracking instrument, is heated to 450 ~ 600 DEG C, and 60-120r/min machinery stirs, and adds rapeseed oil residue gradually, by the vapor condensation produced, obtains hydrocarbon fuel.
Silicon carbide spherical particle diameters of the present invention is 5mm-20mm.
HZSM-5 spherical catalyst particles diameter of the present invention is 5mm-20mm, Si/C=20-50, and specific surface area is 350-450m
2/ g.
Oil foot has high-k because of it, can rapid temperature increases generation scission reaction in microwave field, silicon carbide spheroidal particle and HZSM-5 spherical catalyst is added in reaction system, high thermocatalysis bed is formed in microwave field, interfacial catalysis reaction is there is rapidly in oil foot after entering reaction system, the saturation ratio of favourable raising pyrolysed hydrocarbon class A fuel A, increases its stability.
The present invention has the following advantages.
1, break through the limitation of rapeseed oil residue production biofuel, provide a kind of rapeseed oil residue to prepare the novel method of high saturation hydrocarbon fuel.
2, adopt silicon carbide spheroidal particle to mix with HZSM-5 spherical catalyst and add reactor, high thermocatalysis bed is formed in microwave field, and increase reaction interface by mechanical stirring, HZSM-5 catalyzer promotes rapeseed oil residue generation cyclization in microwave reaction system, improves the saturation ratio of hydrocarbon fuel.
Embodiment
The present invention will be described further by following examples.
Embodiment 1.
By 500g spherical carbide silicon (diameter 10mm), 250gHZSM-5 spherical catalyst (diameter 10mm, Si/C=30, specific surface area 400m
2/ g) add with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 550 DEG C, mechanical stirring 80r/min, add 500g rapeseed oil residue gradually, 30min drips off, and continues maintenance 550 DEG C of catalytic pyrolysiss and generates without cut, microwave cracking obtains hydrocarbon fuel 358g, GC-MS analyzes, and saturated hydrocarbon content 90.2% in cracking hydrocarbon oil, wherein naphthenic hydrocarbon and aromatic hydrocarbon content reach 81.7%.
Embodiment 2.
By 500g spherical carbide silicon (diameter 5mm), 100gHZSM-5 spherical catalyst (diameter 5mm, Si/C=25, specific surface area 360m
2/ g) add with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 500 DEG C, mechanical stirring 60r/min, add 500g rapeseed oil residue gradually, 30min drips off, and continues maintenance 500 DEG C of catalytic pyrolysiss and generates without cut, microwave cracking obtains hydrocarbon fuel 327g, GC-MS analyzes, and saturated hydrocarbon content 87.6% in cracking hydrocarbon oil, wherein naphthenic hydrocarbon and aromatic hydrocarbon content reach 76.2%.
Embodiment 3.
By 500g spherical carbide silicon (diameter 15mm), 250gHZSM-5 spherical catalyst (diameter 15mm, Si/C=30, specific surface area 420m
2/ g) add with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 550 DEG C, mechanical stirring 90r/min, add 500g rapeseed oil residue gradually, 30min drips off, and continues maintenance 550 DEG C of catalytic pyrolysiss and generates without cut, microwave cracking obtains hydrocarbon fuel 343g, GC-MS analyzes, and saturated hydrocarbon content 88.4% in cracking hydrocarbon oil, wherein naphthenic hydrocarbon and aromatic hydrocarbon content reach 78.9%.
Embodiment 4.
By 500g spherical carbide silicon (diameter 20mm), 200gHZSM-5 spherical catalyst (diameter 20mm, Si/C=50, specific surface area 450m
2/ g) add with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 600 DEG C, mechanical stirring 80r/min, add 500g rapeseed oil residue gradually, 30min drips off, and continues maintenance 600 DEG C of catalytic pyrolysiss and generates without cut, microwave cracking obtains hydrocarbon fuel 313g, GC-MS analyzes, and saturated hydrocarbon content 83.6% in cracking hydrocarbon oil, wherein naphthenic hydrocarbon and aromatic hydrocarbon content reach 75.1%.
Embodiment 5.
By 500g spherical carbide silicon (diameter 10mm), 500gHZSM-5 spherical catalyst (diameter 10mm, Si/C=30, specific surface area 400m
2/ g) add with mechanical stirring, in three mouthfuls of quartzy bottles of prolong, be placed in microwave cracking instrument, constant power is warming up to 450 DEG C, mechanical stirring 60r/min, add 500g rapeseed oil residue gradually, 30min drips off, and continues maintenance 450 DEG C of catalytic pyrolysiss and generates without cut, microwave cracking obtains hydrocarbon fuel 303g, GC-MS analyzes, and saturated hydrocarbon content 81.1% in cracking hydrocarbon oil, wherein naphthenic hydrocarbon and aromatic hydrocarbon content reach 74.3%.
Claims (3)
1. utilize rapeseed oil residue to prepare a method for hydrocarbon fuel, it is characterized in that comprising the following steps:
(1) by silicon carbide spheroidal particle: the mass ratio of HZSM-5 spherical catalyst=1:1 ~ 10:1, take silicon carbide spheroidal particle and HZSM-5 spherical catalyst, mix and add in quartz reaction still;
(2) quartz reaction still is placed in microwave cracking instrument, is heated to 450 ~ 600 DEG C, and 60-120r/min mechanical stirring, adds rapeseed oil residue gradually, by the vapor condensation produced, obtains hydrocarbon fuel.
2. the method utilizing rapeseed oil residue to prepare hydrocarbon fuel according to claim 1, is characterized in that described silicon carbide spherical particle diameters is 5mm-20mm.
3. the method utilizing rapeseed oil residue to prepare hydrocarbon fuel according to claim 1, it is characterized in that described HZSM-5 spherical catalyst particles diameter is 5mm-20mm, Si/C=20-50, specific surface area is 350-450m
2/ g.
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| CN201510440231.9A CN105038837A (en) | 2015-07-24 | 2015-07-24 | Method for preparing hydrocarbon fuel through rapeseed oil residues |
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| CN201510440231.9A CN105038837A (en) | 2015-07-24 | 2015-07-24 | Method for preparing hydrocarbon fuel through rapeseed oil residues |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106635110A (en) * | 2016-10-27 | 2017-05-10 | 陕西科技大学 | Method for preparing liquid product containing rich phenols and alcohols through microwave catalytic thermal cracking of forestry and agricultural residues |
| CN106674458A (en) * | 2016-12-26 | 2017-05-17 | 陕西科技大学 | Method for preparing environment-friendly resin from microwave thermally-cracked liquid products of forestry wastes |
| CN109054884A (en) * | 2018-09-12 | 2018-12-21 | 太原理工大学 | A method of utilizing lignite and soap stock copyrolysis preparation hydrocarbon-rich oil |
| CN109749847A (en) * | 2019-01-18 | 2019-05-14 | 陕西金油农林科技开发有限公司 | A kind of method that oil grape fruit oil prepares aviation kerosine |
| US20230227728A1 (en) * | 2018-04-20 | 2023-07-20 | Resynergi, Inc. | Distillation system and method using microwave-assisted pyrolysis |
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| CN1101067A (en) * | 1993-10-12 | 1995-04-05 | 河南金亨实业开发总公司 | Method of extrating gasoline and diesel from the foots of plant oil |
| CN102154023A (en) * | 2011-03-22 | 2011-08-17 | 南昌大学 | Method for preparing hydrocarbon fuel by using microwave-assisted catalytic soap decarboxylation method |
| CN103252226A (en) * | 2013-05-10 | 2013-08-21 | 王文平 | Catalyst for waste plastic microwave pyrolysis and preparation method thereof |
| CN104342189A (en) * | 2014-10-09 | 2015-02-11 | 南昌大学 | Method for preparing fuel by quickly pyrolyzing tallow tree oil by continuous microwave-absorbent-assisted wave absorption |
-
2015
- 2015-07-24 CN CN201510440231.9A patent/CN105038837A/en active Pending
Patent Citations (4)
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| CN1101067A (en) * | 1993-10-12 | 1995-04-05 | 河南金亨实业开发总公司 | Method of extrating gasoline and diesel from the foots of plant oil |
| CN102154023A (en) * | 2011-03-22 | 2011-08-17 | 南昌大学 | Method for preparing hydrocarbon fuel by using microwave-assisted catalytic soap decarboxylation method |
| CN103252226A (en) * | 2013-05-10 | 2013-08-21 | 王文平 | Catalyst for waste plastic microwave pyrolysis and preparation method thereof |
| CN104342189A (en) * | 2014-10-09 | 2015-02-11 | 南昌大学 | Method for preparing fuel by quickly pyrolyzing tallow tree oil by continuous microwave-absorbent-assisted wave absorption |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106635110A (en) * | 2016-10-27 | 2017-05-10 | 陕西科技大学 | Method for preparing liquid product containing rich phenols and alcohols through microwave catalytic thermal cracking of forestry and agricultural residues |
| CN106635110B (en) * | 2016-10-27 | 2018-04-06 | 陕西科技大学 | A kind of agriculture and forestry organic waste material microwave catalysis thermal cracking is prepared rich in phenols, the method for alcohol-based liquid product |
| CN106674458A (en) * | 2016-12-26 | 2017-05-17 | 陕西科技大学 | Method for preparing environment-friendly resin from microwave thermally-cracked liquid products of forestry wastes |
| CN106674458B (en) * | 2016-12-26 | 2018-10-09 | 陕西科技大学 | A kind of method that forestry waste microwave thermal cracking product liquid prepares environmental protection type resin |
| US20230227728A1 (en) * | 2018-04-20 | 2023-07-20 | Resynergi, Inc. | Distillation system and method using microwave-assisted pyrolysis |
| US12006472B2 (en) * | 2018-04-20 | 2024-06-11 | Resynergi, Inc. | Distillation system and method using microwave-assisted pyrolysis |
| CN109054884A (en) * | 2018-09-12 | 2018-12-21 | 太原理工大学 | A method of utilizing lignite and soap stock copyrolysis preparation hydrocarbon-rich oil |
| CN109749847A (en) * | 2019-01-18 | 2019-05-14 | 陕西金油农林科技开发有限公司 | A kind of method that oil grape fruit oil prepares aviation kerosine |
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Application publication date: 20151111 |