EP3615638A1 - Procédé d'odorisation de fluide cryogénique - Google Patents
Procédé d'odorisation de fluide cryogéniqueInfo
- Publication number
- EP3615638A1 EP3615638A1 EP18722690.7A EP18722690A EP3615638A1 EP 3615638 A1 EP3615638 A1 EP 3615638A1 EP 18722690 A EP18722690 A EP 18722690A EP 3615638 A1 EP3615638 A1 EP 3615638A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- odorant
- cryogenic fluid
- temperature
- zone
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- VLXBWPOEOIIREY-UHFFFAOYSA-N dimethyl diselenide Chemical compound C[Se][Se]C VLXBWPOEOIIREY-UHFFFAOYSA-N 0.000 claims description 6
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
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- 239000012760 heat stabilizer Substances 0.000 claims 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims 1
- 125000003748 selenium group Chemical class *[Se]* 0.000 claims 1
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- 125000000217 alkyl group Chemical group 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- RVIXKDRPFPUUOO-UHFFFAOYSA-N dimethylselenide Chemical compound C[Se]C RVIXKDRPFPUUOO-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000001294 propane Substances 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
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- OXQOBQJCDNLAPO-UHFFFAOYSA-N 2,3-Dimethylpyrazine Chemical compound CC1=NC=CN=C1C OXQOBQJCDNLAPO-UHFFFAOYSA-N 0.000 description 2
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- LNIMMWYNSBZESE-UHFFFAOYSA-N 2-Ethyl-3-methylpyrazine, 9CI Chemical compound CCC1=NC=CN=C1C LNIMMWYNSBZESE-UHFFFAOYSA-N 0.000 description 2
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- TUAMRELNJMMDMT-UHFFFAOYSA-N 3,5-xylenol Chemical compound CC1=CC(C)=CC(O)=C1 TUAMRELNJMMDMT-UHFFFAOYSA-N 0.000 description 2
- HMNKTRSOROOSPP-UHFFFAOYSA-N 3-Ethylphenol Chemical compound CCC1=CC=CC(O)=C1 HMNKTRSOROOSPP-UHFFFAOYSA-N 0.000 description 2
- OALYTRUKMRCXNH-UHFFFAOYSA-N 5-pentyloxolan-2-one Chemical compound CCCCCC1CCC(=O)O1 OALYTRUKMRCXNH-UHFFFAOYSA-N 0.000 description 2
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- 229910052786 argon Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- MMXKVMNBHPAILY-UHFFFAOYSA-N ethyl laurate Chemical compound CCCCCCCCCCCC(=O)OCC MMXKVMNBHPAILY-UHFFFAOYSA-N 0.000 description 2
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
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- 238000002347 injection Methods 0.000 description 2
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- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 description 2
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- GDOPTJXRTPNYNR-UHFFFAOYSA-N methyl-cyclopentane Natural products CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 150000004880 oxines Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ORQWTLCYLDRDHK-UHFFFAOYSA-N phenylselanylbenzene Chemical compound C=1C=CC=CC=1[Se]C1=CC=CC=C1 ORQWTLCYLDRDHK-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- SUVIGLJNEAMWEG-UHFFFAOYSA-N propane-1-thiol Chemical compound CCCS SUVIGLJNEAMWEG-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical class CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- WMXCDAVJEZZYLT-UHFFFAOYSA-N tert-butylthiol Chemical compound CC(C)(C)S WMXCDAVJEZZYLT-UHFFFAOYSA-N 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229940070710 valerate Drugs 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/003—Additives for gaseous fuels
- C10L3/006—Additives for gaseous fuels detectable by the senses
-
- 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
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
-
- 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
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/08—Inhibitors
- C10L2230/081—Anti-oxidants
-
- 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
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/08—Inhibitors
- C10L2230/088—Inhibitors for inhibiting or avoiding odor
-
- 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
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/50—Screws or pistons for moving along solids
Definitions
- the present invention relates to a process for the odorization of cryogenic fluid, in particular to enable it to be detected and to detect possible leaks, in particular when the cryogenic fluid may represent an inhalation hazard. , a risk of explosion, and others.
- the present invention also relates to a device for odorizing the cryogenic fluid by applying the method of the invention.
- odorizing gases are now well known, including techniques for odorizing natural gas, as described for example in EP1758970, EP1934314 and EP2038382.
- an odorant formulation which is liquid at ambient temperature, is added to a fuel in the form of a gas, for example natural gas.
- cryogenic fluid within the meaning of the present invention is meant any fluid that can be stored in the liquid state under cryogenic conditions, that is to say at temperatures of the order of -150 ° C and below -150 ° C.
- cryogenic fluids are, by way of non-limiting example, light alkanes (methane, ethane, propane), C2-C5 alkenes, inert gases (for example nitrogen), industrial gases (oxygen, hydrogen), and others. It should be understood that the invention is concerned with the addition of an odorant (odorization) in cryogenic fluids in the liquid state, and not with the addition of odorant in fluids in the state gaseous.
- an effective odorization of a cryogenic fluid requires the dissolution of a generally very small amount and controlled odorant principle in said cryogenic fluid, so that the odorant is present homogeneously in the cryogenic fluid and when vapors of said cryogenic fluid (for example in case of leakage, when it is at ambient temperature) an effective amount of odorant is definitely present in said vapors and that the olfactory detection threshold in the air is reached to enable the required alert.
- Document DE102004050419 describes a process for the odorization of a cryogenic liquid fuel, the odorization operation being carried out on the fluid in the gaseous state, after evaporation of said cryogenic fluid.
- the diluent used must comply with imperative conditions in terms of the crystallization point, with respect to the odorant and with respect to the natural gas to be odorized, so that the diluent mainly mentioned, if not only mentioned, is the propane.
- the appropriate diluent, (propane) which can be troublesome, depending on the nature of the cryogenic fluid to be odorized and the use that is made of it later.
- the present invention aims to provide a simple method to implement, especially on the industrial level that is to say for the odorization of very large quantities of cryogenic fluids, without the known disadvantages of techniques of the prior art, especially those using a diluent that may contaminate said cryogenic fluid to be odorized, and thus potentially be a hindrance to the use that is made of said cryogenic fluid.
- Another object of the invention is to provide a simple method to implement, especially on an industrial level, while allowing a controlled addition without restrictions with respect to flow conditions and pressure of an odorant to be introduced.
- the present invention relates to a process for the odorization of a cryogenic fluid comprising at least the following steps:
- a) supply at a temperature above the temperature of the cryogenic fluid and above the crystallization temperature of the odorant, for example at room temperature, continuously, a liquid or gaseous odorant, preferably under liquid form, in a feeding zone,
- step b) supplying said odorant in liquid or gaseous form of step a) in a buffer zone in which the liquid or gaseous odorant is brought to a temperature close to the temperature of the cryogenic fluid, and
- step c) supplying said odorant cooled in step b), in the contact zone, wherein said odorant comes into contact with said cryogenic fluid to be odorized.
- each of the steps a), b) and c) of the process is carried out continuously.
- the odorant flow rate in the contact zone is proportional to the flow rate of the cryogenic fluid.
- the flow of odorant in the contact zone is controlled by the flow rate of the cryogenic fluid.
- the amount of odorant coming into contact with the cryogenic fluid to be odorized is between the minimum amount necessary to odorize said cryogenic fluid and the maximum to reach saturation. Too much odorant in the cryogenic fluid can lead to solid deposits that could damage or plug channels, valves, and other organs present on the industrial site of odorization of said cryogenic fluid.
- Step b) of the buffer zone is used to isolate the supply zone of the contact zone which is at the temperature of the cryogenic fluid.
- the odorizing agent (optionally in the form of a fragrancing formulation) is, and remains, in the liquid state in the feed zone and is progressively brought to a temperature close to, or even to the temperature, of the fluid. cryogenic, out of this buffer zone.
- the odorant in step b), is brought to a temperature close to the temperature of the cryogenic fluid.
- a temperature close to the temperature of the cryogenic fluid means a temperature below 30 ° C, preferably below 20 ° C, more preferably below 10 ° C above the temperature of the cryogenic fluid to be odorized.
- the odorant cooled in step b) is brought into contact with said cryogenic fluid to be odorized.
- the odorant is most often in solid form, preferably in the form of solidified odorant droplets or in the form of solidified spray.
- step c) the odorant comes into contact with the cryogenic fluid and is driven with the flow of cryogenic fluid, in which it dissolves, thus allowing the said cryogenic fluid to be odorized.
- the odorant is dispersed / mixed with the cryogenic fluid.
- This dispersion or mixture can be carried out according to any method known to those skilled in the art, for example by simple contact of the odorant with a flow of cryogenic fluid, or else by any mechanical means, such as static mixer, agitator, propeller, and others.
- the mixture is produced by simple contact of the odorant with a flow of cryogenic fluid in a turbulent regime.
- turbulent regime is meant a flow defined by a Reynolds number greater than the critical Reynolds number, that is to say, for a flow in a tubular pipe, a Reynolds number greater than 2000, or even greater than 3000.
- the supply of odorant is such that the concentration of odorant in the cryogenic fluid is between 0.1 mg / m 3 (n) and 500 mg / m 3 (n), preferably between 0.5 mg / m 3 (n) and 100 mg / m 3 (n), more preferably between 0.5 mg / m 3 (n) and 50 mg / m 3 (n).
- the concentration is measured with respect to m 3 (n) corresponding to 1 m 3 of gas in the vapor state under normal conditions of temperature and pressure (0 ° C and 1013.25 hPa).
- the odorant used in the present invention may be of any nature, depending on the desired effect, the desired detection threshold, the expected odor, and others.
- the odorizing agent is advantageously chosen from the family of hydrocarbons, for example terpenes, in the family of alcohols and phenols, in the family of aldehydes, in the family of ethers, cyclic or otherwise, in the family of esters, for example the family of acrylates and (alkyl) acrylates, in the family of fatty acids, in the family of ketones, in the family of lactones, in the family of mercaptans, for example alkyl mercaptans, (alkyl) thio alkyl mercaptans, the family of cyclic sulfides, the family of symmetrical or non-symmetrical dialkyl sulfides, the family of symmetrical or non-symmetrical dialkyl disulfides, or also in the family of selenium derivatives, for example selenides or diselen
- the odorizing agent is chosen from alcohols, and phenols, such as, for example and without limitation, nerol, phenyl-3-propan-1-ol, linalool, geosmin, p-cresol, 3,5-dimethylphenol, 3-ethylphenol and 1-naphthol.
- alcohols such as, for example and without limitation, nerol, phenyl-3-propan-1-ol, linalool, geosmin, p-cresol, 3,5-dimethylphenol, 3-ethylphenol and 1-naphthol.
- the odorizing agent is chosen from the family of aldehydes, such as, for example and without limitation, trans-2, trans-4-decadienal, trans-2, trans-4-hexadienal, trans-2, trans-4-octadienal, trans-2, trans-4 nonadienal, ethylvanillin, cis-3-hexenal, trans-4-hexenal, trans-2, cis-6-nonadienal , the 4,5-epoxy-2-dodecenal and '/' n-valeraldehyde.
- aldehydes such as, for example and without limitation, trans-2, trans-4-decadienal, trans-2, trans-4-hexadienal, trans-2, trans-4-octadienal, trans-2, trans-4 nonadienal, ethylvanillin, cis-3-hexenal, trans-4-hexenal, trans-2, cis-6-nona
- the odorizing agent is chosen from the family of ethers, such as, in a nonlimiting manner, 1-methoxynaphthalene, 2-methoxynaphthalene, 1-ethoxynaphthalene, pyrans, for example the c / ' s-rose-oxide.
- the odorizing agent is chosen from the family of mercaptans, such as, in a nonlimiting manner, methyl mercaptan, ethyl mercaptan, tert-butyl mercaptan, sec-butyl mercaptan. , ⁇ / 'so-butyl mercaptan, n-propyl mercaptan, ⁇ /' so-propyl mercaptan, the pentylmercaptans, cyclohexylmercaptan, and n-dodecyl.
- family of mercaptans such as, in a nonlimiting manner, methyl mercaptan, ethyl mercaptan, tert-butyl mercaptan, sec-butyl mercaptan. , ⁇ / 'so-butyl mercaptan, n-propyl mercaptan, ⁇ /' so-propy
- the odorizing agent is chosen from the family of sulphides, disulfides and even alkyl polysulfides, such as, in a nonlimiting manner, methyl and ethyl sulphide (MES). , dimethyl sulphide (DMS) and diethyl sulphide (DES) or tetrahydrothiophene (THT).
- MES methyl and ethyl sulphide
- DMS dimethyl sulphide
- DES diethyl sulphide
- TTT tetrahydrothiophene
- the odorizing agent is chosen from the family of esters, such as, in a nonlimiting manner, methyl, ethyl, allyl and n-propyl acrylates, d '/' so-propyl, n-butyl, d '/' so-butyl, te / f-butyl, pentyl, hexyl, heptyl, octyl and dodecyl, methyl methacrylates , ethyl, allyl, n-propyl, d '/' so-propyl, n-butyl, to / 'so-butyl, tert-butyl, pentyl, hexyl, heptyl, octyl and dodecyl, the '/' so-propyl valerate, l '/' so-valerate / 'n-pentyl
- the odorant is selected from the family of fatty acids such as, without limitation, butyric acid, / 'n-valeric acid and methyl -2-propionic acid.
- the odorizing agent is chosen from the family of nitrogen compounds comprising, by way of non-limiting examples, lactones (such as caprolactone), nitriles (such as 2 -nonenenitrile) and pyrazine compounds (such as 2-methylpyrazine, 2,3-dimethylpyrazine, 2,6-dimethylpyrazine, 2,3,5-trimethylpyrazine, tetramethylpyrazine, 2-ethylpyrazine, , 3-diethylpyrazine, 5,2-methylethylpyrazine, 2,3-methylethylpyrazine, 5,2,3-methyldiethylpyrazine and 3,5,2- as well as 3,6,2-dimethylethylpyrazine), 2, 3-methylethylpyrazine and tetramethylpyrazine, and others, as mentioned in DE19837066.
- lactones such as caprolactone
- nitriles such as 2 -nonen
- the ketone family also represents a family of preferred odorants, ketones, among which, by way of nonlimiting examples, there may be mentioned 3-methylnonan-2,4-dione, 1-nonen-3- one, 3-hydroxy-4,5-dimethyl-2 (5 / - /) - furanone, 3-hydroxy-4,5-diethyl-2 (5 / -) - furanone, 3-hydroxy-4 5-methyl-5-ethyl-5 (5H) -furanone, 3-hydroxy-4-ethyl-5-methyl-2 (5H) -furanone, 3-hydroxy-4-methyl-5 -butyl-2 (5 / - /) - furanone, 3-hydroxy-4-methyl-5- / 'n-butyl-2 (5 / - /) - furanone, 3-hydroxy-4-methyl-5 -propyl-2 (5 / - /) - furanone, 2,5-dimethyl-4-methoxy-3 (2H) - furanone, ionones, damas
- lactones such as, for example, and without limitation, 3,6-dimethyl-3a, 4,5,7a-tetrahydro-2 (3 / - /) benzofuranone, ⁇ -nonalactone, ⁇ -undecalactone, (Z) -6-dodeceno-Y-lactone, and coumarin.
- the odorizing agent is chosen from the family of selenium derivatives, among which mention may be made, by way of non-limiting examples, of dimethyl selenide, dimethyl diselenide, diethyl selenide, diphenyl selenide, diphenyl diselenide and ethylselenol, and the like, such as those mentioned in WO2015050509.
- the thresholds for perception of odorants mentioned above are all of the order of magnitude of the ten parts per billion (ppb), or even lower. They are mostly less than 1 ppb.
- the odorant that can be used in the present invention is chosen from methyl and ethyl sulphide, dimethyl sulphide, diethyl sulphide, dimethyl disulfide and disulphide.
- odorants used in the context of the present invention may be used pure, in a mixture of two or more of them in all proportions or diluted with other compounds compatible with the cryogenic fluid, in particular with one or more solvents known to those skilled in the art and are liquid at room temperature such as those selected from alkanes, C5-C6 (e.g., n-pentane, / 'so- pentane, cyclohexane, methylpentane, the petroleum ether, as well as mixtures of two or more thereof), alcohols, ethers, esters, ketones, sulfones, sulfoxides, and preferably selected from alkanes, alcohols and ethers.
- alkanes e.g., n-pentane, / 'so- pentane, cyclohexane, methylpentane, the petroleum ether, as well as mixtures of two or more thereof
- odorants in the context of the present invention alone or in mixtures of two or more of them in all proportions, optionally, but not preferably, diluted with one or more solvents as indicated ci above, in proportions of solvent (s) not exceeding 20%, more preferably not exceeding 10% by weight of solvent relative to the total weight (odorizing agent (s) + solvent (s)) ).
- the solvent is selected from C5-C6 alkanes whose physical properties allow easy handling, and typically those which are liquid at room temperature.
- the solvent is ⁇ / ' so-pentane which allows in particular to lower the crystallization point of the odorizing composition and to approach the temperature of the cryogenic fluid, which is for example de - 162 ° C for LNG ("Liquefied Natural Gas”), and therefore close to the melting temperature of isopentane (-160 ° C).
- the odorant used in the context of the present invention may also include one or more additives selected from thermal stabilizers, dyes, antioxidants, such as for example those of phenolic type , stable nitroxy radicals, for example of the tetramethylpiperidine oxide type (also known as TEMPO) and other derivatives, in particular described in "Synthetic Chemistry of Stable Nitroxides” by LB Volodarsky et al., CRC Press, (1993), ISBN : 0-8493-4590-1.
- thermal stabilizers such as for example those of phenolic type
- stable nitroxy radicals for example of the tetramethylpiperidine oxide type (also known as TEMPO) and other derivatives, in particular described in "Synthetic Chemistry of Stable Nitroxides” by LB Volodarsky et al., CRC Press, (1993), ISBN : 0-8493-4590-1.
- the concentration of odorant, when diluted in a solvent and / or when it is mixed with one or more additives can be included in large proportions, and generally between 0, 1% and 100% by weight of odorant relative to the total weight of the odorizing formulation.
- the odorant is 100% of the odorant formulation, i.e. the odorant is used without a solvent.
- the odorant will represent between 10 and 50% by weight of the odorizing formulation.
- the odorant is used in the absence of solvent and / or in the absence of any other additive, to minimize the pollution of the cryogenic fluid.
- the present invention consists in a process which continuously produces fine particles of a solid odorant from said odorant in liquid form, said fine particles of said solid odorant being then introduced. continuously in a cryogenic fluid in which they dissolve.
- cryogenic fluid odorization process it is preferred to carry out the cryogenic fluid odorization process continuously, this embodiment being particularly adapted to facilitate the mixing and in particular ensure the homogeneity of the cryogenic fluid odorized.
- the odorization process according to the invention may also be carried out batchwise, this embodiment being able to typically be carried out by introducing a charge of odorant (optionally in the form of a fragrancing formulation) into at least a portion of the cryogenic fluid. to odorize, for example in a vein of static cryogenic fluid, in a bypass or bypass, and the like, then dilution of this at least a portion of the cryogenic fluid odorized in said cryogenic fluid to be odorized.
- the present invention relates to a device for introducing an odorant into a cryogenic fluid, said device being adapted for carrying out the method according to the present invention.
- the device comprises:
- a feed zone which is supplied with odorant in liquid or gaseous form, preferably liquid,
- the feed zone consists of any system for transferring the odorant from storage to the buffer zone.
- the feed zone is fed, preferably continuously, with an odorant which is in liquid or gaseous form, preferably in liquid form, said feed being preferably carried out at ambient temperature.
- the feeding of the odorant in the solid state is not preferred, for obvious reasons of handling and dosing, particularly when the odorization method according to the present invention is operated in continuous mode.
- the transfer of the odorant into the feed zone can be achieved using a pump or other pumping technology, or by pressure difference between the storage and the buffer zone, or alternatively by differential pressure when injecting doses pre-loaded into an intermediate storage.
- the flow can also be controlled, for example by means of a flowmeter, possibly combined with a control valve.
- the odorant can be supplied by any means known per se, for example by means of pump or any other device for applying a pressure differential.
- the feed pressure is between 0.1 MPa and 10 MPa, preferably between 0.1 MPa and 5 MPa.
- the pressure values given above are values corresponding to absolute pressures.
- the odorant can be stored and used in a wide range of temperatures, for example ranging from -100 ° C to + 100 ° C, typically -50 ° C. at + 60 ° C.
- the storage temperature is the temperature of the odorization site.
- the storage pressure is most generally atmospheric pressure, the operating pressure may be different from the storage pressure to ensure the transport of the odorant to the feed zone.
- the supply of odorant can be carried out by any device for the transfer of fluid (in the liquid or gaseous state), preferably in a controlled manner, and preferably in a controlled and regulated manner.
- the arrival in the buffer zone b) of the odorant, typically when it is liquid can be carried out by any means known per se, and for example by means of at least one or more elements selected from cannula, nozzle, injector or any other means for feeding by drip or spray, and the like, said aforementioned elements may be used alone or in combination with one or more of them.
- This arrival in the buffer zone b) can also be carried out, typically when the odorant is in gaseous form, by driving said odorant (vapor pressure), optionally with a carrier gas, as described for example in FIG.
- the odorant can be thermostated in the feed zone a) and / or optionally upstream of said feed zone, in order to regulate / control the concentration of odorant in the vector gas.
- the odorant is injected in the form of a spray, said spray being obtainable by any technique known to those skilled in the art.
- the feed zone and preferably the buffer zone, is (are) equipped with means for maintaining a temperature greater than the crystallization temperature of the feed zone.
- odorant so that said odorant is maintained in the fluid state (liquid or gaseous state)
- these means being typically one or more thermal insulation systems well known to those skilled in the art, and for example insulation by the vacuum, or a circulation of a gas whose boiling temperature is less than or equal to the temperature of the cryogenic fluid.
- thermal insulation systems well known to those skilled in the art, and for example insulation by the vacuum, or a circulation of a gas whose boiling temperature is less than or equal to the temperature of the cryogenic fluid.
- the thermal insulation may be achieved by reheating the supply zone with a heat transfer fluid, optionally thermostatically, by heating by means of a heating resistor, by induction, conduction, or other.
- the buffer zone b) makes it possible in particular to bring the odorant, liquid or gaseous, to a temperature close to the temperature of the cryogenic fluid.
- This buffer zone has the effect of isolating the supply zone from the zone of contact which is at the temperature of the cryogenic fluid.
- the odorant is, and remains, in the fluid state (liquid or gaseous) in the feed zone and is progressively brought to a temperature close to, or even at the temperature, of the cryogenic fluid, at leave buffer zone b).
- the temperature of the buffer zone is maintained, at least in part, at a temperature above the melting point of the odorant, to avoid cooling said odorant below its crystallization point, because of the proximity of the contact zone whose temperature, typically equal to that of the cryogenic fluid. Maintaining this temperature can be achieved by any means known to those skilled in the art, for example by means of a gas sky in at least a portion of the feed zone and / or the buffer zone, by preheating of the optionally formulated odorant, heating of the feed zone and / or the buffer zone, use of thermally insulating materials, and the like, or a combination of two or more of the aforementioned techniques.
- the gas sky is generally created by feeding a gas whose liquefaction point is less than or equal to the boiling temperature of the cryogenic fluid.
- gases are nitrogen, argon, helium, hydrogen, methane, natural gas, and the like, as well as mixtures thereof.
- This gas can be introduced into at least part of the feed zone and / or at least part of the buffer zone.
- the rate of introduction of this gas is generally between 0.1 L.min -1 and 500 L.min -1 , preferably between 0.2 L.min -1 and 10 L.min -1 . More specifically, the gas flow rate may also make it possible to apply a pressure differential permitting a controlled and regulated supply of the odorant in the feed zone In a preferred solution, the gas flow rate is slaved to a controlled temperature. temperature measurement performed within the feeding area.
- the heating of the feed zone and / or the preheating of the odorant agent makes it possible to maintain the temperature of the feed zone and / or at least a portion of the buffer zone at a higher temperature. at the melting point of the odorant.
- the buffer zone b) represents the space between the feed zone in which the odorant is in liquid or vapor form, and the contact zone (or surface of the cryogenic fluid) in which the odorant comes from in contact with the cryogenic fluid.
- This buffer zone has a temperature gradient between the temperature of the feed zone and the temperature of the contact zone.
- the temperature gradient (typically cooling) is obtained by the cryogenic fluid under consideration.
- the buffer zone b) can be equipped with mechanical assistance for improved transport of said odorant to the cryogenic fluid, as described later in the description.
- the introduction of the odorant into the cryogenic fluid is carried out in the contact zone c).
- Said contact zone c) is preferably agitated to facilitate the dispersion of the odorant to facilitate rapid dissolution in the medium.
- This agitation can be generated by any means known to those skilled in the art, for example mechanical stirring, convection, circulation or recirculation by means of pumps or any other device for generating a more or less significant flow rate.
- the contact of the odorant with the surface of the cryogenic fluid will be carried out in a cryogenic fluid stream thus making it possible to promote the dispersion of the odorant, and this in a homogeneous manner, at within the cryogenic fluid which thus becomes a cryogenic fluid odorized.
- the passage of the feed zone to the contact zone, through the buffer zone can be carried out gravitationally and / or with mechanical assistance, to convey the odorant, optionally in the form of odorant formulation, to the cryogenic fluid to ensure contacting.
- the method of the present invention thus has several advantages and particularly that of not using the preparation of a premix containing the odorant in a matrix as for example described in the patent application FR2201424.
- the method of the present invention is therefore easier to implement in that it does not require the use of additional solvent or in small quantities, so no storage, and therefore little or no pollutant in the cryogenic fluid odorized.
- the addition of the odorant in the cryogenic fluid is simplified, without the need for prior preparation of an odorant concentrate, by example in a hydrocarbon such as propane, as described for example in FR2201424.
- odorization device of a cryogenic fluid described above can be in various forms and aspects.
- Figures 1 and 2 attached show two possible embodiments but not limiting.
- FIG. 1 shows an example of a device for implementing the cryogenic fluid odorization process, according to the present invention.
- This device comprises a feed zone (A), a buffer zone (B), and a contact zone (C).
- FIG. 2 represents another example of a device making it possible to implement the process for the odorization of a cryogenic fluid, according to the present invention, the device also comprising a feed zone (A), a buffer zone (B) , and a contact zone (C).
- the odorant (optionally in the form of odorant formulation) is introduced via the pipe (2), with a carrier gas via the pipe (3), into the feed zone (A) comprising a heating resistor (4). ) intended to maintain a temperature above the solidification temperature of the odorant (or odorizing formulation) which passes through gravity, via the buffer zone (B), into the contact zone (C) where it (she) is dispersed (5) in the cryogenic fluid (1) which flows in the indicated direction.
- the odorization device presented in this invention has many advantages, among which we can mention the great ease of use. Indeed, because of its small size and its easy installation, the device can be easily installed in places where it is desired to practice the odorization of a cryogenic fluid.
- the method of the invention therefore finds a particularly advantageous application when it is implemented by means of the device according to the present invention.
- processes for the odorization, continuously or discontinuously, of cryogenic fluids. can be implemented in many situations, such as, as non-limiting examples, when loading / filling tankers, tanks, boats, barges, gas cylinders, and others, from tanks, boats, barges or during the same process of liquefaction of the cryogenic fluid during transfer to / or within the storage, and others.
- the odorization method according to the invention finds a particularly interesting application for the odorization of Liquefied Natural Gas (LNG), especially when loading tank trucks or static or mobile storage from LNG carriers, through or not one or more tanks.
- LNG Liquefied Natural Gas
- the odorant belongs to the family of odorants conventionally used to odorize natural gas and is typically selected from mercaptans and sulfides.
- This embodiment is particularly suitable for the odorization of LNG, which then has a characteristic odor of gas, which allows the detection and identification of leaks during transport, storage and use of said LNG, in order to warn of any danger associated with the accumulation of natural gas in the air.
- the method of the present invention particularly when it is used for the odorization of LNG, it is now possible to dispense with gas odorization stations during the LNG regasification stage. .
- the odorization process of the present invention can be carried out at a single centralized point.
- This centralization thus makes it possible to limit the number of places concerned by the storage and handling of odorizing agents and odorizing formulations and thus the risks of olfactory pollution, the costs associated with the maintenance of the injection stations, and others.
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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)
- Cosmetics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HRP20221080TT HRP20221080T1 (hr) | 2017-04-25 | 2018-04-18 | Postupak kriogene odorizacije tekućina |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1753565A FR3065375B1 (fr) | 2017-04-25 | 2017-04-25 | Procede d'odorisation de fluide cryogenique |
PCT/FR2018/050980 WO2018197783A1 (fr) | 2017-04-25 | 2018-04-18 | Procédé d'odorisation de fluide cryogénique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3615638A1 true EP3615638A1 (fr) | 2020-03-04 |
EP3615638B1 EP3615638B1 (fr) | 2022-07-27 |
Family
ID=59253724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18722690.7A Active EP3615638B1 (fr) | 2017-04-25 | 2018-04-18 | Procédé d'odorisation de fluide cryogénique |
Country Status (14)
Country | Link |
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US (2) | US11279895B2 (fr) |
EP (1) | EP3615638B1 (fr) |
KR (2) | KR102519249B1 (fr) |
CN (1) | CN110520509B (fr) |
AU (1) | AU2018259133B2 (fr) |
CA (1) | CA3060506C (fr) |
DK (1) | DK3615638T3 (fr) |
ES (1) | ES2926190T3 (fr) |
FR (1) | FR3065375B1 (fr) |
HR (1) | HRP20221080T1 (fr) |
PL (1) | PL3615638T3 (fr) |
PT (1) | PT3615638T (fr) |
SG (1) | SG11201909909YA (fr) |
WO (1) | WO2018197783A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117929677B (zh) * | 2024-03-20 | 2024-06-14 | 普利莱(天津)燃气设备有限公司 | 一种多功能天然气加臭剂浓度分析仪和分析方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2058508A (en) | 1934-08-13 | 1936-10-27 | Standard Oil Co California | Proportional odorizer |
US2430050A (en) * | 1945-01-24 | 1947-11-04 | Charles E Gill | Gas odorizing |
US3761232A (en) * | 1971-05-10 | 1973-09-25 | Inst Gas Technology | Method for odorizing cryogenic liquids |
US4025315A (en) * | 1971-05-19 | 1977-05-24 | San Diego Gas & Electric Co. | Method of odorizing liquid natural gas |
US3907515A (en) * | 1972-10-02 | 1975-09-23 | San Diego Gas & Electric Co | Apparatus for odorizing liquid natural gas |
CA1006353A (en) * | 1972-10-02 | 1977-03-08 | David K. Mulliner | Method and system for odorizing liquid natural gas with thiophene |
FR2238113A1 (en) * | 1973-07-18 | 1975-02-14 | Inst Gas Technology | Odorising cryogenic liquids - esp liquid fuels, by addn of solutions of sulphur cpds in liquid hydrocarbon gases |
JPS5392802A (en) * | 1977-01-25 | 1978-08-15 | Bridgestone Liquefied Gas Co | Addition of odorant to fuel gas |
US5167867A (en) * | 1989-09-26 | 1992-12-01 | Exxon Production Research Company | Test-fluid composition and method for detecting leaks in pipelines and associated facilities |
SE505635C2 (sv) * | 1995-11-28 | 1997-09-22 | Aga Ab | Sätt och anordning för att tillsätta ett luktämne till ett ledningssystem för gas |
DE19837066A1 (de) | 1998-08-17 | 2000-02-24 | Haarmann & Reimer Gmbh | Odorierung von Gas |
US20010047621A1 (en) * | 1999-06-29 | 2001-12-06 | Joe Frank Arnold | Injection system and method for odorizing natural gas |
JP2004517699A (ja) | 2001-01-30 | 2004-06-17 | ボード オブ リージェンツ ユニバーシティ オブ テキサス システム | 液体中への噴霧凍結によるナノ粒子およびミクロ粒子の製造方法 |
DE10240028A1 (de) * | 2002-08-27 | 2004-03-11 | Symrise Gmbh & Co. Kg | Schwefelarme Odoriermittel für Flüssiggas |
JP2004315566A (ja) * | 2003-04-11 | 2004-11-11 | Ishikawajima Harima Heavy Ind Co Ltd | ガス付臭方法及び装置 |
FR2868790B1 (fr) | 2004-04-08 | 2008-07-25 | Arkema Sa | Melange odorisant pour combustible gazeux inodore |
DE102004050419A1 (de) | 2004-10-15 | 2006-04-27 | Linde Ag | Odorierung von Wasserstoff on-board |
JP5055883B2 (ja) * | 2005-09-07 | 2012-10-24 | トヨタ自動車株式会社 | 水素供給装置 |
FR2891841B1 (fr) | 2005-10-11 | 2007-12-28 | Arkema Sa | Melange odorisant pour combustible gazeux inodore |
FR2902798B1 (fr) | 2006-06-26 | 2009-04-24 | Arkema France | Melange odorisant pour combustible gazeux inodore |
CN202691601U (zh) * | 2012-07-05 | 2013-01-23 | 北京普发兴业动力科技发展有限责任公司 | 高压压缩天然气管道的加臭装置 |
CA2924342C (fr) | 2013-10-01 | 2016-10-18 | Aygaz Anonim Sirketi | Odorizant gazeux sans soufre |
CN106352238B (zh) * | 2016-11-24 | 2019-09-03 | 四川蜀谷仪表科技有限公司 | 燃气加臭控制装置及燃气加臭系统 |
-
2017
- 2017-04-25 FR FR1753565A patent/FR3065375B1/fr active Active
-
2018
- 2018-04-18 US US16/604,683 patent/US11279895B2/en active Active
- 2018-04-18 AU AU2018259133A patent/AU2018259133B2/en active Active
- 2018-04-18 PL PL18722690.7T patent/PL3615638T3/pl unknown
- 2018-04-18 DK DK18722690.7T patent/DK3615638T3/da active
- 2018-04-18 KR KR1020197031124A patent/KR102519249B1/ko active IP Right Grant
- 2018-04-18 CN CN201880027068.5A patent/CN110520509B/zh active Active
- 2018-04-18 KR KR1020227002858A patent/KR20220017002A/ko not_active Application Discontinuation
- 2018-04-18 SG SG11201909909Y patent/SG11201909909YA/en unknown
- 2018-04-18 CA CA3060506A patent/CA3060506C/fr active Active
- 2018-04-18 EP EP18722690.7A patent/EP3615638B1/fr active Active
- 2018-04-18 PT PT187226907T patent/PT3615638T/pt unknown
- 2018-04-18 HR HRP20221080TT patent/HRP20221080T1/hr unknown
- 2018-04-18 ES ES18722690T patent/ES2926190T3/es active Active
- 2018-04-18 WO PCT/FR2018/050980 patent/WO2018197783A1/fr unknown
-
2022
- 2022-02-25 US US17/681,102 patent/US11814596B2/en active Active
Also Published As
Publication number | Publication date |
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US11814596B2 (en) | 2023-11-14 |
ES2926190T3 (es) | 2022-10-24 |
KR20220017002A (ko) | 2022-02-10 |
US20200157446A1 (en) | 2020-05-21 |
CN110520509B (zh) | 2022-04-08 |
HRP20221080T1 (hr) | 2022-12-23 |
CA3060506A1 (fr) | 2018-11-01 |
KR102519249B1 (ko) | 2023-04-06 |
DK3615638T3 (da) | 2022-09-05 |
US11279895B2 (en) | 2022-03-22 |
SG11201909909YA (en) | 2019-11-28 |
CA3060506C (fr) | 2023-09-26 |
WO2018197783A1 (fr) | 2018-11-01 |
AU2018259133B2 (en) | 2020-10-22 |
US20220220402A1 (en) | 2022-07-14 |
KR20190126429A (ko) | 2019-11-11 |
AU2018259133A1 (en) | 2019-11-14 |
EP3615638B1 (fr) | 2022-07-27 |
FR3065375B1 (fr) | 2019-06-28 |
PL3615638T3 (pl) | 2022-10-03 |
FR3065375A1 (fr) | 2018-10-26 |
PT3615638T (pt) | 2022-09-08 |
CN110520509A (zh) | 2019-11-29 |
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