US20090249682A1 - Conversion of biogas to liquid fuels - Google Patents
Conversion of biogas to liquid fuels Download PDFInfo
- Publication number
- US20090249682A1 US20090249682A1 US12/098,513 US9851308A US2009249682A1 US 20090249682 A1 US20090249682 A1 US 20090249682A1 US 9851308 A US9851308 A US 9851308A US 2009249682 A1 US2009249682 A1 US 2009249682A1
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- United States
- Prior art keywords
- biogas
- oil
- liquid
- reaction medium
- petroleum fraction
- Prior art date
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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
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
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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
- C10G50/00—Production of liquid hydrocarbon mixtures from lower carbon number hydrocarbons, e.g. by oligomerisation
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
- C10L1/06—Liquid carbonaceous fuels essentially based on blends of hydrocarbons for spark ignition
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
- C10L1/08—Liquid carbonaceous fuels essentially based on blends of hydrocarbons for compression ignition
Definitions
- This invention resides in the field of biogas and its use as a source of energy.
- Sources of municipal waste include everyday items such as product packaging, furniture, clothing, bottles and other discarded containers, food scraps, newspapers, appliances, paint, and batteries, as well as biomedical waste from hospitals, granular waste such as contaminated soil, liquid waste such as cooking oils, automotive oils, shale oil, and PCB oils, agricultural waste such as grass clippings, straw, wood, leaves, and plant matter in general, and industrial waste such as coal and lignite.
- the traditional methods of disposal include landfill and incineration, and the gaseous emissions from incineration contribute to air pollution and global warming.
- biodegradation is the biological breakdown of organic matter in the absence of oxygen.
- the product of this breakdown is known as “biogas,” and the breakdown can be achieved by such processes as anaerobic digestion and fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, and energy crops.
- biogas can include hydrogen, methane, and carbon monoxide, as well as relatively benign gases such as nitrogen and carbon dioxide.
- biogas can be converted to a liquid fuel that can drive an engine or any other machinery or appliance that is typically run by a petroleum-based fuel.
- Conversion in accordance with this invention is achieved by passing the biogas through a liquid reaction medium that contains a petroleum fraction, and doing so at an elevated but non-boiling temperature, while contacting the reaction medium with a transition metal catalyst.
- the gaseous product that results from the contact contains a vapor that can be condensed to achieve the liquid fuel.
- the condensed product is chemically distinct from the liquid petroleum fraction, and when the process is operated on a continuous basis without adding further liquid petroleum fraction to the reaction medium, the product is produced in a volume that far exceeds the starting volume of the reaction medium.
- biogas is used herein to include any non-inert gas that can be produced by the biological degradation of organic matter.
- prime examples of biogas are hydrogen, methane, and carbon monoxide, although other biogases that are also included within the scope of this invention are other gaseous petroleum-based products such as ethane and ethylene, as well as decomposition products of agricultural waste such as wood chips, grains, grasses, leaves, and the like.
- biogas is also used herein to include the same gases that are obtained from other sources.
- methane associated with coal commonly known as “coal bed methane,” “coal mine methane,” and “abandoned mine methane.”
- Such methane can be derived by bacterial activity or by heating.
- Another example is natural gas, of which methane constitutes the major portion.
- the petroleum fraction in the liquid reaction medium in the process of this invention includes fossil fuels, crude oil fractions, and many of the components derived from these sources.
- the fossil fuels can include any carbonaceous liquid that is derived from petroleum, coal, or any other naturally occurring material, as well as processed fuels such as gas oils and products of fluid catalytic cracking units, hydrocracking units, thermal cracking units, and cokers. Included among these fuels are automotive fuels such as gasoline, diesel fuel, jet fuel, and rocket fuel, as well as petroleum residuum-based fuel oils including bunker fuels and residual fuels.
- Fractions or products in the diesel range can also be used, such as straight-run diesel fuel, feed-rack diesel fuel (as commercially available to consumers at gasoline stations), light cycle oil, and blends of straight-run diesel and light cycle oil.
- Crude oil fractions include any of the various refinery products produced from crude oil, either by atmospheric distillation or by vacuum distillation, as well as fractions that have been treated by hydrocracking, catalytic cracking, thermal cracking, or coking, and those that have been desulfurized.
- fractions are light straight-run naphtha, heavy straight-run naphtha, light steam-cracked naphtha, light thermally cracked naphtha, light catalytically cracked naphtha, heavy thermally cracked naphtha, reformed naphtha, alkylate naphtha, kerosene, hydrotreated kerosene, gasoline and light straight-run gasoline, straight-run diesel, atmospheric gas oil, light vacuum gas oil, heavy vacuum gas oil, residuum, vacuum residuum, light coker gasoline, coker distillate, FCC (fluid catalytic cracker) cycle oil, and FCC slurry oil.
- Preferred reaction media are mineral oil, diesel oil, naphtha, kerosene, gas oil, and gasoline.
- the transition metal catalyst can be any single transition metal or combination of transition metals, either as metal salts, pure metals, or metal alloys, and can also be used in combination with metals other than transition metals.
- Preferred catalysts for use in this invention are metals and metal alloys. Transition metals having atomic numbers ranging from 23 to 79 are preferred, and those with atomic numbers ranging from 24 to 74 are more preferred. Cobalt, nickel, and tungsten, particularly in combination, are the most preferred. Among the additional metals that can be included are iron and aluminum.
- the metallic catalyst is used in solid form and is preferably maintained below the liquid level in the reaction medium as the biogas is bubbled through the liquid.
- the metal(s) can assume the form of pellets, granules, wires, mesh screens, perforated plates, rods, or strips. Granules and wires suspended between plates or mesh matrices such as steel wool are preferred for their relatively high surface area. When granules are used, the granules can be maintained in a fluidized state in the reaction medium or held stationary in the form of a fixed bed.
- the process is performed under non-boiling conditions to maintain the reaction medium in a liquid state.
- An elevated temperature i.e., one above ambient temperature, is used, preferably one that is about 100° C. or above, more preferably one within the range of about 100° C. to about 250° C., and most preferably from about 150° C. to about 200° C.
- the operating pressure can vary as well, and can be either atmospheric, below atmospheric, or above atmospheric.
- the process is readily and most conveniently performed at either atmospheric pressure or a pressure moderately above atmospheric. Preferred operating pressures are those within the range of 1 atmosphere to 2 atmospheres.
- This example illustrates the use of the present invention in a processing system in which the biogas is hydrogen and the reaction medium is mineral oil.
- a catalyst material was prepared by placing the following between two pads of steel wool: aluminum wire, cobalt wire (an alloy containing approximately 50% cobalt, 10% nickel, 20% chromium, 15% tungsten, 1.5% manganese, and 2.5% iron), nickel wire, tungsten wire, and cast iron granules.
- the material was placed in a reaction vessel over a perforated aluminum plate, and the vessel was charged with heavy mineral oil, submerging the catalyst material. The vessel contents were then heated to approximately 320-370° F.
- the product was fed to a VAL6 Infrared Oil Heater (Shizuoka Seiki Co., Ltd., Japan) where it burned readily in air.
- a VAL6 Infrared Oil Heater Shizuoka Seiki Co., Ltd., Japan
- An attempt to use the liquid reaction medium at the start of the test (mineral oil) in the same oil heater was made, and the result was negative, i.e., the medium would not burn.
- Example 2 illustrates the use of the present invention in a processing system in which the biogas is methane and the reaction medium is mineral oil. Except for the substitution of methane for hydrogen, the test was conducted in the same manner as that of Example 1, using the same materials and operating conditions. The results, measured as in Example 1, are listed in Table II below.
- Example 1 The product was fed to a VAL6 Infrared Oil Heater (Shizuoka Seiki Co., Ltd., Japan) where it burned readily in air. As in Example 1, the liquid reaction medium at the start of the test (mineral oil) would not burn in the same oil heater.
- VAL6 Infrared Oil Heater Shizuoka Seiki Co., Ltd., Japan
- This example illustrates the use of the present invention in a processing system in which the biogas is 50% hydrogen and 50% carbon monoxide (by volume) and the reaction medium is mineral oil. Except for the substitution of the hydrogen/carbon monoxide mixture, the test was conducted in the same manner as that of Example 1, using the same materials and operating conditions. The results, measured as in Example 1, are listed in Table III below.
- the product was fed to a VAL6 Infrared Oil Heater (Shizuoka Seiki Co., Ltd., Japan) where it burned readily in air.
- a VAL6 Infrared Oil Heater Shizuoka Seiki Co., Ltd., Japan
- the liquid reaction medium at the start of the test would not burn in the same oil heater.
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Biogas is converted to a liquid fuel by passing the biogas through a liquid reaction medium that contains a petroleum fraction in the presence of a transition metal catalyst, and doing so at an elevated but non-boiling temperature.
Description
- 1. Field of the Invention
- This invention resides in the field of biogas and its use as a source of energy.
- 2. Description of the Prior Art
- The need for and interest in alternative sources of energy is continually increasing as crude oil prices continue to rise and as public awareness and concern over the effects on the environment of gaseous emissions from the processing of crude oil continue to grow. The disposal of municipal waste is also a perennial challenge as the rate at which the waste is generated continues to increase and as traditional means of disposal of the waste are faced with rising costs and increasing ecological concerns. Sources of municipal waste include everyday items such as product packaging, furniture, clothing, bottles and other discarded containers, food scraps, newspapers, appliances, paint, and batteries, as well as biomedical waste from hospitals, granular waste such as contaminated soil, liquid waste such as cooking oils, automotive oils, shale oil, and PCB oils, agricultural waste such as grass clippings, straw, wood, leaves, and plant matter in general, and industrial waste such as coal and lignite. The traditional methods of disposal include landfill and incineration, and the gaseous emissions from incineration contribute to air pollution and global warming.
- One means of deriving value from municipal waste and waste products in general without incineration is biodegradation, which is the biological breakdown of organic matter in the absence of oxygen. The product of this breakdown is known as “biogas,” and the breakdown can be achieved by such processes as anaerobic digestion and fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, and energy crops. Depending on its source, biogas can include hydrogen, methane, and carbon monoxide, as well as relatively benign gases such as nitrogen and carbon dioxide.
- It has now been discovered that biogas can be converted to a liquid fuel that can drive an engine or any other machinery or appliance that is typically run by a petroleum-based fuel. Conversion in accordance with this invention is achieved by passing the biogas through a liquid reaction medium that contains a petroleum fraction, and doing so at an elevated but non-boiling temperature, while contacting the reaction medium with a transition metal catalyst. The gaseous product that results from the contact contains a vapor that can be condensed to achieve the liquid fuel. The condensed product is chemically distinct from the liquid petroleum fraction, and when the process is operated on a continuous basis without adding further liquid petroleum fraction to the reaction medium, the product is produced in a volume that far exceeds the starting volume of the reaction medium.
- These and other objects, advantages, and features of the invention are explained further below.
- The term “biogas” is used herein to include any non-inert gas that can be produced by the biological degradation of organic matter. As noted above, prime examples of biogas are hydrogen, methane, and carbon monoxide, although other biogases that are also included within the scope of this invention are other gaseous petroleum-based products such as ethane and ethylene, as well as decomposition products of agricultural waste such as wood chips, grains, grasses, leaves, and the like. The term “biogas” is also used herein to include the same gases that are obtained from other sources. One example is methane associated with coal, commonly known as “coal bed methane,” “coal mine methane,” and “abandoned mine methane.” Such methane can be derived by bacterial activity or by heating. Another example is natural gas, of which methane constitutes the major portion.
- The petroleum fraction in the liquid reaction medium in the process of this invention includes fossil fuels, crude oil fractions, and many of the components derived from these sources. The fossil fuels can include any carbonaceous liquid that is derived from petroleum, coal, or any other naturally occurring material, as well as processed fuels such as gas oils and products of fluid catalytic cracking units, hydrocracking units, thermal cracking units, and cokers. Included among these fuels are automotive fuels such as gasoline, diesel fuel, jet fuel, and rocket fuel, as well as petroleum residuum-based fuel oils including bunker fuels and residual fuels. Fractions or products in the diesel range can also be used, such as straight-run diesel fuel, feed-rack diesel fuel (as commercially available to consumers at gasoline stations), light cycle oil, and blends of straight-run diesel and light cycle oil. Crude oil fractions include any of the various refinery products produced from crude oil, either by atmospheric distillation or by vacuum distillation, as well as fractions that have been treated by hydrocracking, catalytic cracking, thermal cracking, or coking, and those that have been desulfurized. Examples of such fractions are light straight-run naphtha, heavy straight-run naphtha, light steam-cracked naphtha, light thermally cracked naphtha, light catalytically cracked naphtha, heavy thermally cracked naphtha, reformed naphtha, alkylate naphtha, kerosene, hydrotreated kerosene, gasoline and light straight-run gasoline, straight-run diesel, atmospheric gas oil, light vacuum gas oil, heavy vacuum gas oil, residuum, vacuum residuum, light coker gasoline, coker distillate, FCC (fluid catalytic cracker) cycle oil, and FCC slurry oil. Preferred reaction media are mineral oil, diesel oil, naphtha, kerosene, gas oil, and gasoline.
- The transition metal catalyst can be any single transition metal or combination of transition metals, either as metal salts, pure metals, or metal alloys, and can also be used in combination with metals other than transition metals. Preferred catalysts for use in this invention are metals and metal alloys. Transition metals having atomic numbers ranging from 23 to 79 are preferred, and those with atomic numbers ranging from 24 to 74 are more preferred. Cobalt, nickel, and tungsten, particularly in combination, are the most preferred. Among the additional metals that can be included are iron and aluminum.
- The metallic catalyst is used in solid form and is preferably maintained below the liquid level in the reaction medium as the biogas is bubbled through the liquid. The metal(s) can assume the form of pellets, granules, wires, mesh screens, perforated plates, rods, or strips. Granules and wires suspended between plates or mesh matrices such as steel wool are preferred for their relatively high surface area. When granules are used, the granules can be maintained in a fluidized state in the reaction medium or held stationary in the form of a fixed bed.
- The process is performed under non-boiling conditions to maintain the reaction medium in a liquid state. An elevated temperature, i.e., one above ambient temperature, is used, preferably one that is about 100° C. or above, more preferably one within the range of about 100° C. to about 250° C., and most preferably from about 150° C. to about 200° C. The operating pressure can vary as well, and can be either atmospheric, below atmospheric, or above atmospheric. The process is readily and most conveniently performed at either atmospheric pressure or a pressure moderately above atmospheric. Preferred operating pressures are those within the range of 1 atmosphere to 2 atmospheres.
- The following examples are offered for purposes of illustration only.
- This example illustrates the use of the present invention in a processing system in which the biogas is hydrogen and the reaction medium is mineral oil.
- A catalyst material was prepared by placing the following between two pads of steel wool: aluminum wire, cobalt wire (an alloy containing approximately 50% cobalt, 10% nickel, 20% chromium, 15% tungsten, 1.5% manganese, and 2.5% iron), nickel wire, tungsten wire, and cast iron granules. The material was placed in a reaction vessel over a perforated aluminum plate, and the vessel was charged with heavy mineral oil, submerging the catalyst material. The vessel contents were then heated to approximately 320-370° F. (approximately 160-190° C.), and hydrogen gas was bubbled through the vessel at a continuous rate of 60-80 cubic feet per hour (measured at ambient temperature of approximately 25° C.), while the pressure in the reactor was maintained at or below 2 psig (approximately 115 KPa). The reaction was continued for five hours, after which time the reaction medium had reduced in volume from 3 parts by volume to 2 parts by volume, and had produced 2.5 parts by volume of condensed product. Values of the kinematic viscosity (taken at 50° C. using the protocol of ASTM D 445), flashpoint (by the Pensky-Martens closed-cup method using the protocol of ASTM D 93a), hydrocarbon composition (using the Robinson Modified Method of ASTM D 3239-2425), lubricity (using the high-frequency reciprocating rig method at 60° C. with the protocol of ASTM D 6049), vapor pressure (using the dry vapor pressure equivalent method with the protocol of ASTM D 5191), and gross heat of combustion (measured according to the protocol of ASTM D 240) were taken on the reaction medium at the start of the test (mineral oil) and at one and five hours after the start of the test, and on the condensed gaseous product at one and five hours after the start of the test. The results are listed in Table I below.
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TABLE I Test Results for Hydrogen and Mineral Oil Reaction Medium Condensed Product Start of at 1 at 5 at 1 at 5 Test hour hours hour hours Kinematic Viscosity 4.524 15.27 4.506 4.499 4.512 (centistokes) Flashpoint (° C.) 126.5 151.5 168 74 132 Hydrocarbon Composition (% by weight): Total Paraffins 25.01 29.97 34.46 22.24 21.7 Naphthenes 60.59 59.63 59.74 59.86 63.7 Aromatics 14.4 10.4 5.8 17.9 14.6 Lubricity (mm) 0.15 0.24 0.16 0.33 0.3 Vapor Pressure (psi) 0.25 0.25 0.25 1.06 0.48 Gross Heat of 19,572 19,577 19,536 19,505 19,693 Combustion (BTU/lb) - The product was fed to a VAL6 Infrared Oil Heater (Shizuoka Seiki Co., Ltd., Japan) where it burned readily in air. An attempt to use the liquid reaction medium at the start of the test (mineral oil) in the same oil heater was made, and the result was negative, i.e., the medium would not burn.
- This example illustrates the use of the present invention in a processing system in which the biogas is methane and the reaction medium is mineral oil. Except for the substitution of methane for hydrogen, the test was conducted in the same manner as that of Example 1, using the same materials and operating conditions. The results, measured as in Example 1, are listed in Table II below.
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TABLE II Test Results for Methane and Mineral Oil Reaction Medium Condensed Product Start of at 1 at 5 at 1 at 5 Test hour hours hour hours Kinematic Viscosity 4.524 15.11 26.79 4.201 5.967 (centistokes) Flashpoint (° C.) 126.5 157 172.5 115 253.5 Hydrocarbon Composition (% by weight): Total Paraffins 25.01 31.12 36.6 18.87 23.13 Naphthenes 60.59 59.08 63 64.83 63.57 Aromatics 14.4 9.8 0.4 16.3 13.3 Lubricity (mm) 0.15 0.23 0.19 0.34 0.16 Vapor Pressure (psi) 0.25 0.25 0.25 0.25 0.25 - The product was fed to a VAL6 Infrared Oil Heater (Shizuoka Seiki Co., Ltd., Japan) where it burned readily in air. As in Example 1, the liquid reaction medium at the start of the test (mineral oil) would not burn in the same oil heater.
- This example illustrates the use of the present invention in a processing system in which the biogas is 50% hydrogen and 50% carbon monoxide (by volume) and the reaction medium is mineral oil. Except for the substitution of the hydrogen/carbon monoxide mixture, the test was conducted in the same manner as that of Example 1, using the same materials and operating conditions. The results, measured as in Example 1, are listed in Table III below.
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TABLE III Test Results for Hydrogen/Carbon Monoxide and Mineral Oil Reaction Medium Condensed Product Start of at 1 at 5 at 1 at 5 Test hour hours hour hours Kinematic Viscosity 4.524 16.84 57.37 4.274 5.797 (centistokes) Flashpoint (° C.) 126.5 327.5 0 141 126.5 Hydrocarbon Composition (% by weight): Total Paraffins 25.01 25.51 32.01 17.95 21.63 Naphthenes 60.59 63.49 67.89 65.35 63.87 Aromatics 14.4 11 0.1 16.7 14.5 Lubricity (mm) 0.15 0.18 0.17 0.24 0.14 Vapor Pressure (psi) 0.25 0.25 0.25 0.25 0.25 - The product was fed to a VAL6 Infrared Oil Heater (Shizuoka Seiki Co., Ltd., Japan) where it burned readily in air. As in Examples 1 and 2, the liquid reaction medium at the start of the test (mineral oil) would not burn in the same oil heater.
- In the claims appended hereto, the term “a” or “an” is intended to mean “one or more.” The term “comprise” and variations thereof such as “comprises” and “comprising,” when preceding the recitation of a step or an element, are intended to mean that the addition of further steps or elements is optional and not excluded. All patents, patent applications, and other published reference materials cited in this specification are hereby incorporated herein by reference in their entirety. Any discrepancy between any reference material cited herein and an explicit teaching of this specification is intended to be resolved in favor of the teaching in this specification. This includes any discrepancy between an art-understood definition of a word or phrase and a definition explicitly provided in this specification of the same word or phrase.
Claims (12)
1. A process for producing liquid fuel from a biogas, said method comprising:
(a) passing said biogas through a liquid petroleum fraction at a temperature of about 100° C. or above but below boiling, while contacting said biogas and said liquid petroleum fraction with a transition metal to produce a gaseous effluent; and
(b) condensing said effluent to liquid form.
2. The process of claim 1 wherein said transition metal is a metal with an atomic number from 23 to 79.
3. The process of claim 1 wherein said transition metal is a metal with an atomic number from 24 to 74.
4. The process of claim 1 wherein step (a) is performed while contacting said biogas and said liquid petroleum fraction with a plurality of transition metals in metallic form.
5. The process of claim 4 wherein said transition metals comprise cobalt, nickel, and tungsten.
6. The process of claim 4 wherein said transition metals comprise cobalt, nickel, tungsten, and iron.
7. The process of claim 1 wherein said liquid petroleum fraction is a member selected from the group consisting of mineral oil, diesel oil, naphtha, kerosene, gas oil, and gasoline.
8. The process of claim 1 wherein step (a) is performed at a temperature of from about 100° C. to about 250° C.
9. The process of claim 1 wherein step (a) is performed at a temperature of from about 150° C. to about 200° C.
10. The process of claim 1 wherein step (a) is performed at a pressure of from about 1 atmosphere to about 2 atmospheres.
11. The process of claim 1 wherein said biogas is a member selected from the group consisting of hydrogen, carbon monoxide, methane, and mixtures thereof.
12. The process of claim 1 wherein said biogas is natural gas.
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/098,513 US20090249682A1 (en) | 2008-04-07 | 2008-04-07 | Conversion of biogas to liquid fuels |
US12/171,801 US7880044B2 (en) | 2008-04-07 | 2008-07-11 | Conversion of biogas to liquid fuels |
MX2010010995A MX2010010995A (en) | 2008-04-07 | 2009-03-04 | Process for conversion of biogas to liquid fuel. |
BRPI0910440A BRPI0910440A2 (en) | 2008-04-07 | 2009-03-04 | process for converting biogas to liquid fuel |
EP09730699.7A EP2268379A4 (en) | 2008-04-07 | 2009-03-04 | Process for conversion of biogas to liquid fuel |
CN2009801125637A CN102006920A (en) | 2008-04-07 | 2009-03-04 | Process for conversion of biogas to liquid fuel |
KR1020107024698A KR20110036697A (en) | 2008-04-07 | 2009-03-04 | Process for conversion of biogas to liquid fuel |
NZ588113A NZ588113A (en) | 2008-04-07 | 2009-03-04 | Process for conversion of biogas to liquid fuel by passing it through a heated petroleum fraction with a transition metal catalyst |
EA201001602A EA201001602A1 (en) | 2008-04-07 | 2009-03-04 | METHOD FOR TURNING BIOGAS TO LIQUID FUEL |
PCT/US2009/036054 WO2009126379A1 (en) | 2008-04-07 | 2009-03-04 | Process for conversion of biogas to liquid fuel |
US12/682,511 US20110000128A1 (en) | 2008-04-07 | 2009-03-04 | Process For Conversion of Biogas to Liquid Fuels |
AU2009234105A AU2009234105A1 (en) | 2008-04-07 | 2009-03-04 | Process for conversion of biogas to liquid fuel |
GEAP200911994A GEP20125688B (en) | 2008-04-07 | 2009-03-04 | Biogas conversion process to liquid fuel |
UAA201013194A UA98225C2 (en) | 2008-04-07 | 2009-03-04 | Method for conversion of biogas into liquid fuel |
CL2009000564A CL2009000564A1 (en) | 2008-04-07 | 2009-03-10 | Process for producing liquid fuel from a biogas comprising (a) passing said biogas through a liquid fraction of petroleum at a temperature between 80 degrees Celsius and the boiling point, contacting said biogas and the fraction with a metal of transition and (b) condense the gaseous effluent obtained. |
PE2009000486A PE20100038A1 (en) | 2008-04-07 | 2009-04-06 | PROCESS FOR THE CONVERSION OF BIOGAS INTO LIQUID FUEL |
ARP090101215A AR070939A1 (en) | 2008-04-07 | 2009-04-06 | PROCESS FOR THE CONVERSION OF BIOGAS IN LIQUID FUEL |
ZA2010/06621A ZA201006621B (en) | 2008-04-07 | 2010-09-15 | Process for conversion of biogas to liquid fuel |
CO10124683A CO6310969A2 (en) | 2008-04-07 | 2010-10-07 | PROCESS FOR CONVERSION OF BIOGAS TO LIQUID FUEL |
MA33324A MA32361B1 (en) | 2008-04-07 | 2010-11-03 | PROCESS FOR THE CONVERSION OF BIOGAS TO LIQUID FUEL |
EC2010010595A ECSP10010595A (en) | 2008-04-07 | 2010-11-05 | PROCESS FOR CONVERSION OF BIOGAS TO LIQUID FUEL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/098,513 US20090249682A1 (en) | 2008-04-07 | 2008-04-07 | Conversion of biogas to liquid fuels |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US12/171,801 Continuation-In-Part US7880044B2 (en) | 2008-04-07 | 2008-07-11 | Conversion of biogas to liquid fuels |
US12/171,801 Continuation US7880044B2 (en) | 2008-04-07 | 2008-07-11 | Conversion of biogas to liquid fuels |
Publications (1)
Publication Number | Publication Date |
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US20090249682A1 true US20090249682A1 (en) | 2009-10-08 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/098,513 Abandoned US20090249682A1 (en) | 2008-04-07 | 2008-04-07 | Conversion of biogas to liquid fuels |
US12/171,801 Active 2029-04-11 US7880044B2 (en) | 2008-04-07 | 2008-07-11 | Conversion of biogas to liquid fuels |
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Cited By (5)
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US20100324349A1 (en) * | 2008-09-18 | 2010-12-23 | Gunnerman Rudolf W | Continuous process and plant design for conversion of biogas to liquid fuel |
US20110163007A1 (en) * | 2010-01-04 | 2011-07-07 | Gunnerman Rudolf W | Non-fractionation process for production of low-boiling fuel from crude oil |
WO2012135515A2 (en) | 2011-03-29 | 2012-10-04 | Fuelina, Inc. | Hybrid fuel and method of making the same |
US10308885B2 (en) | 2014-12-03 | 2019-06-04 | Drexel University | Direct incorporation of natural gas into hydrocarbon liquid fuels |
US11389787B2 (en) | 2019-02-20 | 2022-07-19 | Kara Technologies Inc. | Catalyst structure and method of upgrading hydrocarbons in the presence of the catalyst structure |
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MX2010010995A (en) * | 2008-04-07 | 2011-03-01 | W Gunnerman Rudolf | Process for conversion of biogas to liquid fuel. |
CZ2022301A3 (en) | 2022-07-06 | 2024-01-17 | Dereroy & Co., A.S. | A method of homolytic and heterolytic bond cleavage in molecules of gases and liquids with the primary release of binding energy, the use of this energy to change the internal geometric architecture of some molecules leading to the synthesis of new chemical compounds and a device for its implementation |
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US11833492B2 (en) | 2019-02-20 | 2023-12-05 | Kara Technologies, Inc. | Catalyst structure and method of upgrading hydrocarbons in the presence of the catalyst structure |
Also Published As
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US7880044B2 (en) | 2011-02-01 |
US20090250330A1 (en) | 2009-10-08 |
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