CN109135797A - A kind of LP synthesizing fischer-tropsch technologies - Google Patents
A kind of LP synthesizing fischer-tropsch technologies Download PDFInfo
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- CN109135797A CN109135797A CN201810897881.XA CN201810897881A CN109135797A CN 109135797 A CN109135797 A CN 109135797A CN 201810897881 A CN201810897881 A CN 201810897881A CN 109135797 A CN109135797 A CN 109135797A
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- China
- Prior art keywords
- fischer
- tropsch
- synthesis
- synthesizing
- tropsch technologies
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
- C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
- C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
- C10G2/33—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used
- C10G2/331—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals
- C10G2/333—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals of the platinum-group
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8986—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with manganese, technetium or rhenium
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/70—Catalyst aspects
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
Abstract
The present invention provides a kind of LP synthesizing fischer-tropsch technologies, including synthesis gas preparation, F- T synthesis and oil product process three steps；The LP synthesizing fischer-tropsch technologies include following preparation step: the synthesis gas uses non-catalytic oxidation technology from methane reforming, the methane reforming；Synthesis gas is added to catalyst under conditions of shell-and-tube reactor mesolow and carries out F- T synthesis, chemical formula has been used during F- T synthesis, has synthesized high-purity hydrocarbon mixture；High-purity hydrocarbon mixture obtained is subjected to oil product processing；A kind of LP synthesizing fischer-tropsch technologies of the present invention are successfully developed using low pressure fixed bed cobalt-base catalyst shows outstanding technical grade catalyst in terms of the composite factors such as product distribution, yield, cost, service life, successfully solves heat transfer problem crucial in traditional fischer-tropsch technologies route, the high added value Fischer-Tropsch wax produced, function admirable；Under conditions of 1.4-1.6MPa low pressure, the output capacity of wax is up to percent 40% or so, more energy saving.
Description
Technical field
The present invention relates to a kind of synthetic technology more particularly to a kind of LP synthesizing fischer-tropsch technologies.
Background technique
The history that F- T synthesis has last 100 years constantly to promote development, either in the reliability of catalyst or reactor
And in the maturity of technique, be all proved to be can large-scale commercial technology.Wherein main You Liang major sect: ferrum-based catalyst
Slurry bed system route and cobalt-base catalyst fixed bed route, respectively using the Shell Oil Company of the Sa Suoer in South Africa and Holland as generation
Table.However, the scale of investment starting point of its economy is very high, and ton tens of thousands of for ten does not usually pass through then to hundreds of thousands ton scale
Ji benefit.Meanwhile the following oil price recessed market, traditional fischer-tropsch technologies and technique are no longer satisfied the demand in market,
Do not have advantage gradually on the market yet；Therefore, a kind of F- T synthesis technical office of function admirable becomes this society and urgently solves
Certainly the problem of.
Summary of the invention
To solve the above problems, it includes synthesis gas preparation, F- T synthesis that the present invention, which provides a kind of LP synthesizing fischer-tropsch technologies,
Three steps are processed with oil product；The LP synthesizing fischer-tropsch technologies include following preparation step:
(1) synthesis gas uses non-catalytic oxidation technology from methane reforming, the methane reforming；
(2) synthesis gas in step (1) is subjected to F- T synthesis, F- T synthesis under conditions of shell-and-tube reactor mesolow
During used chemical formula, synthesize high-purity hydrocarbon mixture；
(3) high-purity hydrocarbon mixture obtained in step (2) is subjected to oil product processing.
Further, the chemical formula in the step (2) are as follows: nCO+2nH2 → [- CH2-] n+nH2O.
Further, the F- T synthesis temperature in the step (2) is 190-220 DEG C, F- T synthesis in the step (2)
In process conditions be hydrogen-carbon ratio 2:1, recycle ratio 3.
Further, the condition of the low pressure in the step (2) refers to that pressure is 1.4-1.6MPa.
Further, the shell-and-tube reactor is isothermal reactor.
Further, the catalyst in the step (2) is low pressure fixed bed cobalt-base catalyst, the low pressure fixed bed cobalt
Composite oxide carrier of the base catalyst based on aluminium oxide, using infusion process successively by the work based on Supported Co, platinum, rhenium, zirconium
Property component, then dried, calcining process is prepared.
Beneficial effects of the present invention:
For a kind of LP synthesizing fischer-tropsch technologies of the present invention under the lower pressure of 1.4-1.6MPa, paraffin output capacity reaches 40%
Left and right, compared with the paraffin of similar fixed bed F- T synthesis production both at home and abroad, pressure of the present invention in Fischer-Tropsch synthesis
It is lower, it is more energy saving；The applicable raw materials gas range for effectively having widened F- T synthesis, in addition to natural gas and producing synthesis gas from coal,
The carbon containing resource gases and industrial tail gas that conventional industries can also be made full use of, there is very well energy-saving and emission-reduction and Circular Economy
Meaning；Meanwhile the low pressure fixed bed cobalt-base catalyst exhaust gas circulation process route that the present invention uses, by eliminating bed heat
Point, promoted bed thermal conductivity, successfully solve heat transfer problem crucial in traditional fischer-tropsch technologies route so that reactor when
Empty yield has reached advanced international standard, and the products such as high added value paraffin produced are no matter in quality and price, in city
Great advantage is occupied on, a kind of production economy of low pressure F- T synthesis technology of the present invention is reasonable, reduces production cost, fits
Preferably socially promote the use of.
Detailed description of the invention
Fig. 1 is the reaction schematic diagram for splitting pipe reactor；
Wherein: arrow direction is the flow direction of gas.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment: a kind of LP synthesizing fischer-tropsch technologies, including synthesis gas preparation, F- T synthesis and oil product process three steps
Suddenly；The LP synthesizing fischer-tropsch technologies include following preparation step: the synthesis gas is from methane reforming, the methane reforming
Using non-catalytic oxidation technology；Synthesis gas is added to catalyst under conditions of shell-and-tube reactor mesolow and carries out Fischer-Tropsch conjunction
At having used chemical formula during F- T synthesis, synthesized high-purity hydrocarbon mixture；High-purity hydrocarbon mixture obtained is subjected to oil
Product processing.
The chemical formula are as follows: nCO+2nH2 → [- CH2-] n+nH2O.The F- T synthesis temperature is 190-220 DEG C,
Process conditions in the F- T synthesis are hydrogen-carbon ratio 2:1, recycle ratio 3.The technical parameter of new process: the total Zhuanization Shuai of CO≤
95%, CH4 Xuan Ze≤7%, C5+ Xuan Ze≤86%, CO2 selectivity < 1%, liquefied hydrocarbon product yield > 160mg/
m3；The condition of the low pressure refers to that pressure is 1.4-1.6MPa.The shell-and-tube reactor is isothermal reactor.The catalyst
For low pressure fixed bed cobalt-base catalyst, composite oxide carrier of the low pressure fixed bed cobalt-base catalyst based on aluminium oxide,
Using infusion process successively by the active component based on Supported Co, platinum, rhenium, zirconium, then dried, calcining process is prepared.
The present invention and its embodiments have been described above, this description is not restricted.All in all if originally
The those of ordinary skill in field is enlightened by it, without departing from the spirit of the invention, is not inventively designed
Frame mode similar with the technical solution and embodiment, are within the scope of protection of the invention.
Claims (6)
1. a kind of LP synthesizing fischer-tropsch technologies, which is characterized in that process three steps including synthesis gas preparation, F- T synthesis and oil product
Suddenly；The LP synthesizing fischer-tropsch technologies include following preparation step:
(1) synthesis gas uses non-catalytic oxidation technology from methane reforming, the methane reforming；
(2) synthesis gas in step (1) is reacted in shell-and-tube reactor, catalyst is added under conditions of low pressure and carries out Fischer-Tropsch conjunction
At having used chemical formula during F- T synthesis, synthesized high-purity hydrocarbon mixture；
(3) high-purity hydrocarbon mixture obtained in step (2) is subjected to oil product processing.
2. a kind of LP synthesizing fischer-tropsch technologies according to claim 1, which is characterized in that the chemistry in the step (2)
Formula are as follows: nCO+2nH2 → [- CH2-] n+nH2O.
3. a kind of LP synthesizing fischer-tropsch technologies according to claim 1, which is characterized in that the Fischer-Tropsch in the step (2)
Synthesis temperature is 190-220 DEG C, and the process conditions in the step (2) in F- T synthesis are hydrogen-carbon ratio 2:1, recycle ratio 3.
4. a kind of LP synthesizing fischer-tropsch technologies according to claim 1, which is characterized in that step (2) mesolow
Condition refers to that pressure is 1.4-1.6MPa.
5. a kind of LP synthesizing fischer-tropsch technologies according to claim 1, which is characterized in that the shell-and-tube reactor is isothermal
Reactor.
6. a kind of LP synthesizing fischer-tropsch technologies according to claim 1, which is characterized in that the catalysis in the step (2)
Agent is low pressure fixed bed cobalt-base catalyst, and composite oxides of the low pressure fixed bed cobalt-base catalyst based on aluminium oxide carry
Body, using infusion process successively by the active component based on Supported Co, platinum, rhenium, zirconium, then dried, calcining process is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897881.XA CN109135797A (en) | 2018-08-08 | 2018-08-08 | A kind of LP synthesizing fischer-tropsch technologies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897881.XA CN109135797A (en) | 2018-08-08 | 2018-08-08 | A kind of LP synthesizing fischer-tropsch technologies |
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| Publication Number | Publication Date |
|---|---|
| CN109135797A true CN109135797A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810897881.XA Pending CN109135797A (en) | 2018-08-08 | 2018-08-08 | A kind of LP synthesizing fischer-tropsch technologies |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040192989A1 (en) * | 2003-03-24 | 2004-09-30 | Conocophillips Company | Commercial fischer-tropsch reactor |
| CN101544527A (en) * | 2008-03-24 | 2009-09-30 | 通用电气公司 | Methods and systems for fischer tropsch reactor low product variation |
| CN101657524A (en) * | 2007-01-19 | 2010-02-24 | 万罗赛斯公司 | Process and apparatus for converting natural gas to higher molecular weight hydrocarbons using microchannel process technology |
| CN101864324A (en) * | 2009-04-17 | 2010-10-20 | 中国石油化工股份有限公司 | Method for synthesizing liquid hydrocarbon |
| CN101979468A (en) * | 2010-11-11 | 2011-02-23 | 中国科学院山西煤炭化学研究所 | Low-carbon emission Fischer-Tropsch synthesis reaction process |
| CN107699271A (en) * | 2017-08-17 | 2018-02-16 | 天津大学 | A kind of Fischer-Tropsch synthesis method that low methane selectively under low pressure is realized using photo-thermal F- T synthesis |
-
2018
- 2018-08-08 CN CN201810897881.XA patent/CN109135797A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040192989A1 (en) * | 2003-03-24 | 2004-09-30 | Conocophillips Company | Commercial fischer-tropsch reactor |
| CN101657524A (en) * | 2007-01-19 | 2010-02-24 | 万罗赛斯公司 | Process and apparatus for converting natural gas to higher molecular weight hydrocarbons using microchannel process technology |
| CN101544527A (en) * | 2008-03-24 | 2009-09-30 | 通用电气公司 | Methods and systems for fischer tropsch reactor low product variation |
| CN101864324A (en) * | 2009-04-17 | 2010-10-20 | 中国石油化工股份有限公司 | Method for synthesizing liquid hydrocarbon |
| CN101979468A (en) * | 2010-11-11 | 2011-02-23 | 中国科学院山西煤炭化学研究所 | Low-carbon emission Fischer-Tropsch synthesis reaction process |
| CN107699271A (en) * | 2017-08-17 | 2018-02-16 | 天津大学 | A kind of Fischer-Tropsch synthesis method that low methane selectively under low pressure is realized using photo-thermal F- T synthesis |
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Application publication date: 20190104 |