WO2016103762A1 - 炭化水素の合成方法及び合成装置 - Google Patents
炭化水素の合成方法及び合成装置 Download PDFInfo
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- WO2016103762A1 WO2016103762A1 PCT/JP2015/066657 JP2015066657W WO2016103762A1 WO 2016103762 A1 WO2016103762 A1 WO 2016103762A1 JP 2015066657 W JP2015066657 W JP 2015066657W WO 2016103762 A1 WO2016103762 A1 WO 2016103762A1
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- Prior art keywords
- water
- oxygen
- carbon dioxide
- nanobubbles
- hydrocarbons
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- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 78
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 78
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 140
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000001301 oxygen Substances 0.000 claims abstract description 102
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 102
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 70
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 70
- 239000002101 nanobubble Substances 0.000 claims abstract description 65
- 239000011941 photocatalyst Substances 0.000 claims abstract description 29
- 230000001678 irradiating effect Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 50
- 238000006243 chemical reaction Methods 0.000 description 38
- 239000003921 oil Substances 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 19
- 239000002199 base oil Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 238000001308 synthesis method Methods 0.000 description 9
- 238000003786 synthesis reaction Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 7
- 238000001223 reverse osmosis Methods 0.000 description 7
- 229930195734 saturated hydrocarbon Natural products 0.000 description 7
- 239000006228 supernatant Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000001699 photocatalysis Effects 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000693 micelle Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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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
- C10G2/50—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon dioxide with hydrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/123—Ultraviolet light
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B31/00—Reduction in general
-
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
Definitions
- the present invention relates to a method for synthesizing hydrocarbons by reducing carbon dioxide in water.
- Patent Document 1 hydrocarbon synthesis methods that do not require high-temperature and high-pressure conditions and the addition of hydrogen have been proposed (see, for example, Patent Document 1).
- carbon dioxide is formed into fine bubbles in water by forming a carbon column of carbon dioxide in water and generating a swirling flow of water around the gas column.
- This is a method for synthesizing hydrocarbons by reducing carbon dioxide by irradiating ultraviolet rays to water containing fine bubbles of carbon dioxide in the presence of a photocatalyst in an atmospheric pressure atmosphere.
- Patent Document 1 it is necessary to always form a carbon column of carbon dioxide in water and to generate a swirling flow of water around the carbon column of carbon dioxide. Therefore, there is a problem that a mechanism for forming a carbon dioxide gas column and a swirling flow of water is required, and the reaction mechanism is complicated.
- an object of the present invention is to provide a hydrocarbon synthesis method and a synthesis apparatus capable of efficiently synthesizing hydrocarbons by reducing carbon dioxide in water by an easy reaction mechanism.
- the invention according to claim 1 of the present invention is a method for synthesizing hydrocarbons by reducing carbon dioxide in water, wherein oxygen is supplied to water containing carbon dioxide to generate oxygen nanobubbles,
- active oxygen is generated by irradiating water containing the oxygen nanobubbles with ultraviolet rays, and carbon dioxide is reduced in the presence of the active oxygen.
- the invention according to claim 2 of the present invention is the hydrocarbon synthesis method according to claim 1, in the presence of separately prepared liquid hydrocarbon and the active oxygen produced from the oxygen nanobubbles. It is a method characterized by reducing carbon.
- the invention according to claim 3 of the present invention is a hydrocarbon synthesizer that synthesizes hydrocarbons by reducing carbon dioxide in water, and generates oxygen nanobubbles by supplying oxygen to water containing carbon dioxide.
- a nanobubble generating means that irradiates ultraviolet light to water containing nanobubbles of oxygen generated by the nanobubble generator in the presence of a photocatalyst, wherein the ultraviolet radiation means includes water containing the nanobubbles of oxygen.
- carbon dioxide is reduced in the presence of active oxygen generated by irradiating with UV rays.
- hydrocarbons are synthesized by reducing carbon dioxide in the presence of active oxygen produced by irradiating water containing oxygen nanobubbles with ultraviolet rays, so that water containing carbon dioxide is simply used. Hydrocarbons can be synthesized only with Therefore, hydrocarbons can be synthesized by an easy reaction mechanism, and hydrocarbons can be synthesized efficiently.
- more hydrocarbons can be synthesized because carbon dioxide is reduced in the presence of separately prepared liquid hydrocarbons and the active oxygen generated from the oxygen nanobubbles.
- a synthesis apparatus 10 for synthesizing hydrocarbons by a hydrocarbon synthesis method according to the present invention includes a water tank 11 for containing water A in which carbon dioxide is dissolved, and oxygen nanobubbles (several hundred nm or less).
- a nanobubble generator 12 an example of “nanobubble generating means” that generates ultrafine bubbles of oxygen and a photocatalyst (for example, titanium oxide, zinc oxide, etc.)
- a photocatalytic device 14 an example of “ultraviolet irradiation means”.
- the water tank 11 contains a predetermined amount of water A that has passed through the reverse osmosis membrane. Carbon dioxide is dissolved in the water A accommodated in the water tank 11.
- the water A is not limited to the water which passed the reverse osmosis membrane, What is necessary is just the water in which the carbon dioxide is dissolved.
- the water A is preferably one obtained by removing impurities such as ions or salts by passing through a reverse osmosis membrane.
- the nanobubble generator 12 is an ultrafine pore type nanobubble generator.
- the nanobubble generator 12 is connected to an oxygen supply source 15 such as an oxygen cylinder, and generates oxygen nanobubbles in the water tank 11 based on oxygen supplied from the oxygen supply source 15.
- the nanobubble generator 12 includes an oxygen ejection portion that ejects an air layer (bubbles) of oxygen and a water ejection portion that ejects water A in the water tank 11. In the nanobubble generator 12, the oxygen ejection part and the water ejection part are put into the water tank 11.
- the oxygen ejection part is provided with a special ceramic filter having nano-level micropores, and an oxygen layer (bubbles) is ejected from the micropores. Moreover, in the said water injection part, the surface of the said special ceramic filter is poured with the liquid flow of the water A because the water A in the water tank 11 is injected to the said special ceramic filter.
- the gas layer (bubbles) of oxygen ejected from the oxygen ejection portion by applying a liquid flow of water A in the water tank 11 to the boundary of the micropores of the special ceramic filter. Is finely cut. Then, the cut oxygen gas layer (bubbles) is compressed by the surface tension of the water A in the water tank 11 to generate oxygen nanobubbles (ultrafine bubbles).
- the nanobubble generator 12 is not limited to the ultrafine pore type device, and may be another known nanobubble generator as long as it is a device capable of generating oxygen nanobubbles.
- the photocatalyst device 14 includes a UV lamp 13 for irradiating water A containing oxygen nanobubbles with ultraviolet rays, and a reaction tube 17 having a photocatalyst therein.
- the UV lamp 13 is arranged around the reaction tube 17 and irradiates the reaction tube 17 with ultraviolet rays.
- the reaction tube 17 is a tubular container capable of transmitting ultraviolet rays, and is configured so that water A containing oxygen nanobubbles can pass through the inside thereof.
- water A containing oxygen nanobubbles is supplied into the reaction tube 17 filled with the photocatalyst at a predetermined flow rate, and the water A passing through the reaction tube 17 is irradiated with ultraviolet rays. Is done. Then, the water A that has passed through the photocatalyst device 14 is returned again to the photocatalyst device 14 by the circulation pump 16 and circulated for a predetermined time.
- oxygen nanobubbles are generated by the nanobubble generator 12 in the water A containing carbon dioxide in the water tank 11.
- the generated oxygen nanobubbles stay in the water A in the water tank 11 (transparent to the naked eye).
- the photocatalyst device 14 by supplying water A containing the generated oxygen nanobubbles to the photocatalyst device 14, the water A containing the oxygen nanobubbles is irradiated with ultraviolet rays in the presence of the photocatalyst.
- active oxygen such as superoxide anion radical and hydroxyl radical is generated from oxygen in nanobubble state via ozone.
- the synthesizer 10 generates oxygen nanobubbles in the water A in which carbon dioxide is dissolved, and reduces the carbon dioxide by irradiating the photocatalyst device 14 with ultraviolet rays while circulating the water A containing the oxygen nanobubbles. Therefore, it is easy to synthesize hydrocarbons by simply using water containing carbon dioxide and oxygen nanobubbles (without forming a carbon dioxide gas column or water swirl). can do. Therefore, hydrocarbons can be synthesized by an easy reaction mechanism, and hydrocarbons can be synthesized efficiently.
- Another method for synthesizing hydrocarbons according to the present invention is a new method by reducing oxygen dioxide in the presence of separately prepared liquid hydrocarbons and active oxygen produced by the above synthesis method (first method). And a method for synthesizing liquid hydrocarbons.
- the separately prepared liquid hydrocarbon is a liquid hydrocarbon prepared in advance by a method other than the second method, and a liquid carbon of the same component as the liquid hydrocarbon to be synthesized by the second method.
- It means hydrogen (base oil). That is, it refers to a liquid hydrocarbon (base oil) prepared in advance by another method other than the first method and the second method. Further, when liquid hydrocarbons are synthesized in advance by the above-described first method, the liquid hydrocarbons are also included.
- liquid hydrocarbons (base oil) prepared separately include hydrocarbons having 6 to 36 carbon atoms, such as light oil and kerosene.
- the synthesis apparatus 20 for synthesizing hydrocarbons by this method includes a first supply tank 21 for supplying separately prepared liquid hydrocarbon E (base oil), and the activity generated by the first method described above.
- the synthesizer 20 first, while spraying a liquid mixture of liquid hydrocarbon E (base oil) separately prepared and water A containing active oxygen generated by the first method described above at a predetermined pressure. Supply to the reaction vessel 23. Thereby, a micelle is formed between the liquid hydrocarbon E and the water A containing active oxygen.
- the reaction tank 23 is filled with carbon dioxide by supplying carbon dioxide to the reaction tank 23 from a carbon dioxide supply source 25 such as a carbon dioxide cylinder. Thereby, carbon dioxide is taken into the micelle formed as described above.
- the liquid hydrocarbon E and the water A containing active oxygen are stirred by the stirrer 26 of the reaction tank 23 in the reaction tank 23 filled with carbon dioxide.
- the temperature in the reaction vessel 23 is preferably from room temperature to about 40 ° C, more preferably about 30 ° C.
- the pressure in the reaction tank 23 is an atmospheric pressure atmosphere.
- the liquid mixture D of liquid hydrocarbon E and water A is supplied from the reaction tank 23 to the stationary tank 24, and the liquid mixture D is allowed to stand for a predetermined time (for example, 24 hours).
- the liquid hydrocarbon E is produced
- FIG. The amount of liquid hydrocarbon E (new oil) produced in the upper layer of the mixture D is increased by 10 to 15% from the amount of separately prepared liquid hydrocarbon E (base oil). That is, new liquid hydrocarbon E (new oil) is produced by the second method.
- liquid hydrocarbon E (new oil) produced in the upper layer of the mixed solution D is isolated from the mixed solution D, mixed with the water A containing the active oxygen and supplied to the reaction vessel 23 again, and the second It is also possible to repeat the method.
- the amount of liquid hydrocarbon E (new oil) produced in the upper layer of the mixture D is increased by 20 to 30% from the amount of separately prepared liquid hydrocarbon E (base oil). That is, the amount of liquid hydrocarbon E (new oil) newly generated by repeating the second method a plurality of times further increases.
- the synthesizer 10 tap water was passed through the reverse osmosis membrane, and 50 L of water was stored in the water tank 11. Then, the nanobubble generator 12 was operated in the water tank 11 to blow oxygen nanobubbles into the water, and carbon dioxide was blown into the water from a carbon dioxide cylinder provided outside the water tank 11.
- ultraviolet rays were irradiated by the UV lamp 13 in the presence of titanium oxide (photocatalyst) while supplying the water in which oxygen nanobubbles and carbon dioxide were blown to the photocatalyst device 14 at a flow rate of 18 L / min. Then, the water was circulated between the photocatalyst device 14 and the water tank 11 for 24 hours.
- titanium oxide photocatalyst
- the water is also circulated between the photocatalyst device 14 and the water tank 11 for 24 hours. Oxygen nanobubbles and carbon dioxide were continuously blown in and dissolved. Moreover, in order to prevent volatilization of the generated hydrocarbons, the upper surface of the water tank 11 was sealed with a sealing material.
- Example 1 in order to sufficiently retain (dissolve) oxygen and carbon dioxide in the water tank 11, the water was circulated between the photocatalyst device 14 and the water tank 11 for 24 hours. Then, oxygen and carbon dioxide were continuously blown into the water tank 11 and dissolved. Moreover, in order to prevent volatilization of the generated hydrocarbons, the upper surface of the water tank 11 was sealed with a sealing material.
- the synthesizer 10 tap water was passed through the reverse osmosis membrane, and 50 L of water was stored in the water tank 11. Then, ultraviolet rays were irradiated by the UV lamp 13 in the presence of titanium oxide (photocatalyst) while supplying the water to the photocatalytic device 14 at a flow rate of 18 L / min. Further, the water was circulated between the photocatalyst device 14 and the water tank 11 for 24 hours. That is, in Comparative Example 2, only dissolved oxygen and dissolved carbon dioxide dissolved in the water stored in the water tank 11 are used, and compared with Example 1 and Comparative Example 1, the amount of oxygen and carbon dioxide supplied to the water is small. did. Moreover, in order to prevent volatilization of the generated hydrocarbons, the upper surface of the water tank 11 was sealed with a sealing material.
- Example 1 Comparative Example 1 and Comparative Example 2
- a certain amount of water was collected from the water circulated between the photocatalyst device 14 and the water tank 11 for 24 hours, and carbonized using diethyl ether from the collected water. Hydrogen was extracted. The extracted hydrocarbons were completely dehydrated and analyzed by GC-Mass (SHIMAZU GC-2010).
- Example 1 As a result of the above GC-Mass analysis, it was found that the hydrocarbons extracted in Example 1, Comparative Example 1 and Comparative Example 2 were saturated hydrocarbons having 15 to 20 carbon atoms.
- Example 1 As a result of measuring the quantity of the saturated hydrocarbon produced
- Example 2 and Comparative Example 3 for Example 2 of the present invention will be described.
- the present invention is not limited to the second embodiment.
- the synthesizer 10 tap water was passed through the reverse osmosis membrane, and 100 L of water was stored in the water tank 11. Then, the nanobubble generator 12 was operated in the water tank 11 for 120 minutes, and oxygen nanobubbles were blown and retained in the water.
- the reaction vessel 23 is sprayed. Supplied.
- 500 L or more of carbon dioxide was supplied to the reaction vessel 23 at a pressure of 0.3 MPa, and the reaction vessel 23 was filled with carbon dioxide.
- the light oil and the water were stirred for 4 minutes in a reaction tank 23 filled with carbon dioxide.
- the temperature in the reaction vessel 23 was 30 ° C. The reaction was performed in an atmospheric pressure atmosphere.
- the oxygen supplied to the water stored in the water tank 11 is “oxygen nanobubbles” in Example 2 above, and “oxygen that is not in a nanobubble state” (oxygen) blown from an oxygen cylinder provided outside the water tank 11.
- the treatment was performed under the same conditions as in Example 2 except that the oxygen supplied from the cylinder was directly blown into the water tank 11.
- Example 2 after standing for 24 hours, the supernatant liquid was isolated from the mixed liquid in the stationary tank 24, and the isolated supernatant liquid (new oil) was analyzed.
- the analysis was performed on the items shown in Table 1.
- the light oil (base oil) before the process in the reaction tank 23 was analyzed by the same item as a comparison.
- the supernatant liquid (new oil) was a light oil equivalent to the light oil (base oil) before the treatment in the reaction tank 23.
- Example 2 and Comparative Example 3 the amount of the supernatant liquid (light oil) isolated from the mixed liquid in the stationary tank 24 was measured.
- the amount of the supernatant liquid (light oil) was 2.80 L. That is, since the light oil prepared in advance was 2.5 L, it was found that the newly synthesized light oil was 0.3 L (yield 12%).
- the amount of the supernatant liquid (light oil) was 2.58 L. That is, it was found that the newly synthesized light oil was 0.08 L (yield 3.2%). From the above, it was confirmed that the amount (yield) of newly synthesized light oil increased when “oxygen nanobubbles” were used.
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Abstract
Description
3O2→2O3→活性酸素(O2 -・、OH・等) (1)
また同時に、反応式(2)に示すように、水Aに溶存する二酸化炭素の還元反応が起こる。
CO2+H2O→CO+H2+O2 (2)
そして、上記反応式(2)の二酸化炭素の還元反応は、上記反応式(1)において生成された活性酸素の存在下で起こるため、反応式(3)に示すような反応が進行し、これにより炭化水素が合成される。
(2n+1)H2+nCO→CnH2n+2+nH2O (3)
すなわち、ナノバブル状態の酸素から生成した活性酸素の存在下において二酸化炭素を還元させることにより炭化水素を合成する。
Claims (3)
- 水中において二酸化炭素を還元させて炭化水素を合成する方法であって、
二酸化炭素を含む水に酸素を供給することにより酸素のナノバブルを生じさせ、
光触媒の存在下において、前記酸素のナノバブルを含む水に紫外線を照射することにより活性酸素を生成させ、
前記活性酸素の存在下において、二酸化炭素を還元させること
を特徴とする炭化水素の合成方法。 - 別途調製した液状炭化水素と、前記酸素のナノバブルから生成される前記活性酸素と、
の存在下において、二酸化炭素を還元させること
を特徴とする請求項1に記載の炭化水素の合成方法。 - 水中において二酸化炭素を還元させて炭化水素を合成する炭化水素の合成装置であって、
二酸化炭素を含む水に酸素を供給することにより酸素のナノバブルを発生するナノバブル発生手段と、
光触媒の存在下において、前記ナノバブル発生装置により発生した酸素のナノバブルを含む水に紫外線を照射する紫外線照射手段と、
を備え、
前記紫外線照射手段が前記酸素のナノバブルを含む水に紫外線を照射することにより生成される活性酸素の存在下において、二酸化炭素を還元させるようにしたこと
を特徴とする炭化水素の合成装置。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/536,190 US20170327434A1 (en) | 2014-12-25 | 2015-06-10 | Method and apparatus for synthesizing hydrocarbon |
KR1020177017539A KR20170100532A (ko) | 2014-12-25 | 2015-06-10 | 탄화수소의 합성 방법 및 합성 장치 |
JP2016565945A JP6440742B2 (ja) | 2014-12-25 | 2015-06-10 | 炭化水素の合成方法及び合成装置 |
EP15872331.2A EP3239275B1 (en) | 2014-12-25 | 2015-06-10 | Method for synthesizing hydrocarbon |
CA2971379A CA2971379A1 (en) | 2014-12-25 | 2015-06-10 | Method and apparatus for synthesizing hydrocarbon |
RU2017126024A RU2674004C1 (ru) | 2014-12-25 | 2015-06-10 | Способ и устройство для синтеза углеводородов |
AU2015369350A AU2015369350A1 (en) | 2014-12-25 | 2015-06-10 | Method and apparatus for synthesizing hydrocarbon |
CN201580070974.XA CN107109238B (zh) | 2014-12-25 | 2015-06-10 | 烃的合成方法及合成装置 |
BR112017011985A BR112017011985A2 (pt) | 2014-12-25 | 2015-06-10 | método e aparelho para sintetizar hidrocarboneto |
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Cited By (2)
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WO2019098227A1 (ja) * | 2017-11-15 | 2019-05-23 | Siエナジー株式会社 | 炭化水素系化合物の製造方法および製造装置 |
JP2020029483A (ja) * | 2018-08-20 | 2020-02-27 | 株式会社アイティー技研 | 液体炭化水素の製造方法及び装置 |
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CN107109238B (zh) | 2019-03-12 |
EP3239275A4 (en) | 2018-07-25 |
CA2971379A1 (en) | 2016-06-30 |
JP6440742B2 (ja) | 2018-12-19 |
AU2015369350A1 (en) | 2017-07-06 |
RU2674004C1 (ru) | 2018-12-04 |
KR20170100532A (ko) | 2017-09-04 |
US20170327434A1 (en) | 2017-11-16 |
BR112017011985A2 (pt) | 2017-12-26 |
EP3239275B1 (en) | 2020-05-06 |
JPWO2016103762A1 (ja) | 2018-02-08 |
EP3239275A1 (en) | 2017-11-01 |
CN107109238A (zh) | 2017-08-29 |
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