CN103725331A - Method for producing ether gasoline - Google Patents
Method for producing ether gasoline Download PDFInfo
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- CN103725331A CN103725331A CN201310677298.5A CN201310677298A CN103725331A CN 103725331 A CN103725331 A CN 103725331A CN 201310677298 A CN201310677298 A CN 201310677298A CN 103725331 A CN103725331 A CN 103725331A
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- base gasoline
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Abstract
The invention discloses a method for producing ether gasoline. According to the method, synthesis gas is used as a raw material, DEM is generated through direct reaction under the action of the dual-function catalyst of the methanol synthesis and methanol dehydration, and the synthesis gas comprises H2, CO and CO2 and can be obtained from industrial waste gas. The method disclosed by the invention has the advantages as follows: the sources of the raw material can be widened, the resources are reused, the ether gasoline prepared through the method is high in octane value, low in energy consumption and cost, and energy conservation and environmental protection are achieved.
Description
Technical field
The present invention relates to the preparation method of ether-base gasoline, particularly relate to a kind of method of producing ether-base gasoline.
Background technology
Ether-base gasoline is the abbreviation of ether (gasoline) fuel, that to utilize Sweet natural gas, coal, coke(oven)gas, biomass short, bristly hair or beard bar, biogas, coal mine gas, municipal wastes, industrial gaseous waste etc. be universally acknowledged " super clean substitute energy of 21 century " dme of raw material production, through a kind of novel automobile, the industrial and civil liquid fuel synthetic with the multiple industrial chemicals such as mixture of lower alcohols.There is octane value high, steam forces down, and without benzene, without sulphur, without alkene, without aromatic hydrocarbons, unleaded, iron-free, without manganese, existent gum is low, inductive phase is long advantage, cost ratio gasoline is cheap more than 30%, both can use separately, again can arbitrary proportion and the miscible burning of mixing of gasoline.The high-octane rating of existing methyl alcohol, ethanol petrol, the feature such as clean, solve again the high oil consumption of methyl alcohol and ethanol petrol, the shortcoming such as be short of power, useful and harmless to automobile power and parts, is the boundless alternative new forms of energy of following application prospect.
Experimental investigation shows, with 30% ether mixture and motor spirit, the miscible burning of mixing of 20% ether mixture and ethanol petrol, except power obviously improves, also can reduce oil consumption 5-20%, it is short to have solved methanol gasoline (easily layering) quality guaranteed period, substitute than low, ethanol petrol is short of power, gasoline combustion exhaust emission environment, high definition gasoline is containing five big world property difficult scientific problems of MTBE polluted source, ether-base gasoline indices is all better than Europe IV, Europe V and Japan, U.S. gasoline standard, surmounted the following gasoline high-octane rating in the world, low-steam pressure, low benzene, low-sulfur, low aromatic hydrocarbons, low alkene, unleaded target.
Along with the sustainable growth of global economy, various countries constantly increase the demand of the energy, comprise that the Energy resources day of oil is becoming tight, and energy dilemma, the alternative energy of active development, become the common issue that global evolution is faced.Under such background, the alternative energy of development of new, becomes the challenge of pendulum in face of us as early as possible.Dme (being called for short DME) is the simplest a kind of aliphatic ether, of many uses.Dme has high cetane value, as Alternative Diesel Fuel, has good ignition quality, and its discharge is lower than California, USA minimum discharge standard.Dme physical property is similar to liquefied petroleum gas (LPG), can replace liquefied petroleum gas (LPG) (LPG) as civilian clean fuel.It is in liberal supply that the production of ether-base gasoline has raw materials market, with low cost, be convenient to the advantages such as expanding production.Its production cost is 1700～2000 yuan/ton at present, is only 1/3rd of gasoline, ethanol petrol cost, therefore has wide popularizing application prospect.
Summary of the invention
Object of the present invention is exactly to provide a kind of method of producing ether-base gasoline for the defect of above-mentioned existence.The inventive method can be widened raw material sources, makes resource circulation utilization.Ether-base gasoline octane value prepared by the method is high, energy consumption is low, cost is low and energy-conserving and environment-protective.
A kind of method and technology scheme of producing ether-base gasoline of the present invention is, take synthetic gas as raw material, and under the dual-function catalyst effect of and methanol dehydration synthetic at methyl alcohol, direct reaction generates DME, and synthetic gas comprises H
2, CO, CO
2.Synthetic gas can derive from industrial gaseous waste.
Reaction generates the reaction of DME and carries out in fixed-bed tube reactor.
Methyl alcohol dual-function catalyst synthetic and methanol dehydration is CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series.
H
2, CO, CO
2enter according to a certain volume reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series is placed in pipe, is water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 5-8 Mpa, temperature 210-280 e.
Enter all gas of reactor all through 5A molecular sieve dehydration, 402 reductor deoxidations.
Synthetic gas is H by volume
2: CO=1:1-8, CO:CO
2=2:1-6.
Be preferably, synthetic gas is H by volume
2: CO=2:9, CO:CO
2=1:3.
Concrete steps are: synthetic gas is H by volume
2: CO=2:9, CO:CO
2=1:3 enters fixed-bed tube reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series loading amount 1.0 g are placed in pipe, are water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 8Mpa, and 210 ℃ of temperature, enter all gas of reactor all first through 5A molecular sieve dehydration, 402 reductor deoxidations.
Beneficial effect of the present invention is: method of the present invention has reached the reasonable utilization of resource, effectively utilized industrial gaseous waste, solved the problem high, low conversion rate that consumes energy, simultaneously, on the basis saving production cost, kind, activity, the life-span of catalyzer, transformation efficiency and the yield of dimethyl ether of CO have been improved.Ether-base gasoline octane value prepared by the method is high, energy consumption is low, cost is low and energy-conserving and environment-protective.
embodiment:
In order to understand better the present invention, with specific examples, describe technical scheme of the present invention in detail below, but the present invention is not limited thereto.
Embodiment 1
Reaction is carried out in fixed-bed tube reactor.Synthetic gas is H according to a certain volume
2: CO=2:9, CO:CO
2=1:3 enters reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series loading amount 1.0 g are placed in pipe, are water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 8Mpa, and 210 ℃ of temperature, enter all gas of reactor all first through 5A molecular sieve dehydration, 402 reductor deoxidations.
Result demonstration, the transformation efficiency of CO reaches 86.81%, and yield of dimethyl ether reaches 73.87%, and the content of the aromatic hydrocarbons that in product, octane value is high and isoparaffin component is all greater than 87%.Ether-base gasoline energy consumption and the gasoline with this, prepared are suitable, and with the miscible burning of mixing of gasoline, specific consumption reduces more than 8%.Can make automotive pollutant emission CO, CH compound and NOx reduce 50%-80%, carcinogenic disease thing benzene emission factor is almost 0.Also can effectively remove firing system carbon distribution simultaneously, extend the work-ing life of engine.Its production cost is only 1/3rd of gasoline, ethanol petrol cost.
Embodiment 2
Reaction is carried out in fixed-bed tube reactor.Synthetic gas is H according to a certain volume
2: CO=2:7, CO:CO
2=2:1 enters reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series loading amount 1.0 g are placed in pipe, are water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 7 Mpa, and 270 ℃ of temperature, enter all gas of reactor all first through 5A molecular sieve dehydration, 402 reductor deoxidations.
Result shows, the transformation efficiency of CO reaches 92.14%, and yield of dimethyl ether reaches 82.47%, and the straight-chain paraffin proportion that in product, octane value is lower is lower, isoparaffin accounts for the more than 90% of stable hydrocarbon, and in product, the aromatic hydrocarbons of high-octane number component and isoparaffin total content are more than 85%.The ether-base gasoline of preparing with this makes engine power improve 16%, and thermo-efficiency also improves 2%～3%, has substantially realized smokeless operation, without visible granular, discharges.
Embodiment 3
Reaction is carried out in fixed-bed tube reactor.Synthetic gas is H according to a certain volume
2: CO=1:7, CO:CO
2=2:5 enters reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series loading amount 1.0 g are placed in pipe, are water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 6 Mpa, and 250 ℃ of temperature, enter all gas of reactor all first through 5A molecular sieve dehydration, 402 reductor deoxidations.
Result demonstration, the transformation efficiency of CO reaches 90.87%, and yield of dimethyl ether reaches approximately 80%, high-octane aromatic hydrocarbons and isoparaffin total content are greater than 82%, wherein aromaticity content is 38%～42%, isoparaffin content 40%～45%, and low-octane normal paraffin content is less than 3%.In the ether-base gasoline combustion tail gas of preparing with this, NOx is 60% of combustion diesel fuel, the quantity discharged of CH compound 40% left and right that declines, and top pressure decline 7MPa～9MPa in cylinder, also corresponding reduction of the rate of pressure rise in cylinder, thus while making work, noise declines.It is in liberal supply that the production of ether-base gasoline has raw materials market, with low cost, be convenient to the advantages such as expanding production.Its production cost is 1700-2000/ ton at present.
Embodiment 4
Reaction is carried out in fixed-bed tube reactor.Synthetic gas is H according to a certain volume
2: CO=3:4, CO:CO
2=2:5 enters reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series loading amount 1.0 g are placed in pipe, are water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 6 Mpa, and 260 ℃ of temperature, enter all gas of reactor all first through 5A molecular sieve dehydration, 402 reductor deoxidations.
Result demonstration, the transformation efficiency of CO reaches 89.98%, and yield of dimethyl ether reaches 85.37%, and high-octane aromatic hydrocarbons and isoparaffin component concentration reach 80%～90%.60% of ether-base gasoline cost Jin Wei China gasoline, ethanol petrol and the synthetic gasoline cost of preparing with this, has realized energy free consumption, and three-waste free discharge, has avoided the pollution to environment in production process.
Claims (8)
1. a method of producing ether-base gasoline, is characterized in that, take synthetic gas as raw material, and under the dual-function catalyst effect of and methanol dehydration synthetic at methyl alcohol, direct reaction generates DME, and synthetic gas comprises H
2, CO, CO
2.
2. a kind of method of producing ether-base gasoline according to claim 1, is characterized in that, reaction generates the reaction of DME and carries out in fixed-bed tube reactor.
3. a kind of method of producing ether-base gasoline according to claim 1, is characterized in that, methyl alcohol dual-function catalyst synthetic and methanol dehydration is CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series.
4. a kind of method of producing ether-base gasoline according to claim 3, is characterized in that H
2, CO, CO
2enter according to a certain volume reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series is placed in pipe, is water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 5-8 Mpa, temperature 210-280 e.
5. a kind of method of producing ether-base gasoline according to claim 4, is characterized in that, enters all gas of reactor all through 5A molecular sieve dehydration, 402 reductor deoxidations.
6. a kind of method of producing ether-base gasoline according to claim 4, is characterized in that, synthetic gas is H by volume
2: CO=1:1-8, CO:CO
2=2:1-6.
7. a kind of method of producing ether-base gasoline according to claim 5, is characterized in that, synthetic gas is H by volume
2: CO=2:7, CO:CO
2=2:1.
8. a kind of method of producing ether-base gasoline according to claim 4, is characterized in that, concrete steps are: synthetic gas is H by volume
2: CO=2:7, CO:CO
2=2:1 enters fixed-bed tube reactor, solid particle catalyst CuO-ZnO-Al
2o
3/ HZSM-5 catalyst series loading amount 1.0 g are placed in pipe, are water between pipe, and the porcelain ring of 1.0 mm is filled at two ends, pressure 7Mpa, and 270 ℃ of temperature, enter all gas of reactor all first through 5A molecular sieve dehydration, 402 reductor deoxidations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310677298.5A CN103725331A (en) | 2013-12-13 | 2013-12-13 | Method for producing ether gasoline |
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|---|---|---|---|
| CN201310677298.5A CN103725331A (en) | 2013-12-13 | 2013-12-13 | Method for producing ether gasoline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219868A (en) * | 2016-12-21 | 2018-06-29 | 湖南惠升石油有限公司 | A kind of preparation method of environmental protection petrol and diesel oil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338332A (en) * | 2000-08-11 | 2002-03-06 | 中国石油化工股份有限公司 | Catalyst for preparing dimethyl ether and its preparing process |
| CN1413767A (en) * | 2001-10-26 | 2003-04-30 | 中国科学院大连化学物理研究所 | Preparation method of catalyst for directed preparing dimethyl ether by synthetic gas |
-
2013
- 2013-12-13 CN CN201310677298.5A patent/CN103725331A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338332A (en) * | 2000-08-11 | 2002-03-06 | 中国石油化工股份有限公司 | Catalyst for preparing dimethyl ether and its preparing process |
| CN1413767A (en) * | 2001-10-26 | 2003-04-30 | 中国科学院大连化学物理研究所 | Preparation method of catalyst for directed preparing dimethyl ether by synthetic gas |
Non-Patent Citations (1)
| Title |
|---|
| 贾美林等: "含氮合成气直接制二甲醚的Cu基催化剂研究", 《分子催化》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219868A (en) * | 2016-12-21 | 2018-06-29 | 湖南惠升石油有限公司 | A kind of preparation method of environmental protection petrol and diesel oil |
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Application publication date: 20140416 |