WO2019070149A1 - Utilisation de n-méthyl-para-anizidine qu'inhibiteur de la corrosion par sulfure d'hydrogène et de la fragilisation par l'hydrogène - Google Patents
Utilisation de n-méthyl-para-anizidine qu'inhibiteur de la corrosion par sulfure d'hydrogène et de la fragilisation par l'hydrogène Download PDFInfo
- Publication number
- WO2019070149A1 WO2019070149A1 PCT/RU2017/000884 RU2017000884W WO2019070149A1 WO 2019070149 A1 WO2019070149 A1 WO 2019070149A1 RU 2017000884 W RU2017000884 W RU 2017000884W WO 2019070149 A1 WO2019070149 A1 WO 2019070149A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- corrosion
- inhibitor
- hydrogen
- hydrocarbon
- para
- Prior art date
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- 238000005260 corrosion Methods 0.000 title claims abstract description 75
- 230000007797 corrosion Effects 0.000 title claims abstract description 74
- 239000003112 inhibitor Substances 0.000 title claims abstract description 59
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 19
- 239000001257 hydrogen Substances 0.000 title claims abstract description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- JFXDIXYFXDOZIT-UHFFFAOYSA-N 4-methoxy-n-methylaniline Chemical compound CNC1=CC=C(OC)C=C1 JFXDIXYFXDOZIT-UHFFFAOYSA-N 0.000 title abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 21
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 18
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 12
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 13
- 239000002184 metal Substances 0.000 abstract description 13
- 150000002739 metals Chemical class 0.000 abstract description 9
- 150000001875 compounds Chemical class 0.000 abstract description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 2
- 239000005864 Sulphur Substances 0.000 abstract 1
- 150000001805 chlorine compounds Chemical class 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 15
- 239000003921 oil Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 150000003841 chloride salts Chemical class 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- -1 demulsifier Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000013543 active substance Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 239000003350 kerosene Substances 0.000 description 3
- 150000003464 sulfur compounds Chemical class 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- 239000012224 working solution Substances 0.000 description 3
- FAXDZWQIWUSWJH-UHFFFAOYSA-N 3-methoxypropan-1-amine Chemical compound COCCCN FAXDZWQIWUSWJH-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 150000002462 imidazolines Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical class N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- BHAAPTBBJKJZER-UHFFFAOYSA-N p-anisidine Chemical compound COC1=CC=C(N)C=C1 BHAAPTBBJKJZER-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- YMBCJWGVCUEGHA-UHFFFAOYSA-M tetraethylammonium chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC YMBCJWGVCUEGHA-UHFFFAOYSA-M 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
-
- 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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
Definitions
- the invention relates to the oil and gas industry, in particular, to an inhibitor of hydrogen sulfide corrosion in water-hydrocarbon and hydrocarbon corrosive environments with a high content of sulfur-containing compounds, including hydrogen sulfide, chlorides and other factors of corrosion activity to protect metal equipment and pipelines from corrosion and hydrogen embrittlement.
- amido-imidazoline inhibitors are the most common secondary amines used in hydrogen sulphide corrosion and are considered the most effective.
- ⁇ -methyl-para-anisidine is actively used as a multifunctional octane additive for gasolines [EP 2014643 of August 14, 2006], and also as an antioxidant of hydrocarbon fuels [RU 2491324 of January 25, 2012, CN 201280000494.2 from 21.02.2012].
- the objective of the claimed invention is to develop an inhibitor of hydrogen sulfide corrosion and hydrogen embrittlement, providing high anti-corrosion properties in aggressive environments with a high content of hydrogen sulfide, chlorides and other factors of corrosivity.
- the technical result of the invention is to reduce the rate of corrosion and hydrogen embrittlement of metals in hydrogen sulfide-containing environments.
- ⁇ is used as an inhibitor of hydrogen sulfide corrosion and hydrogen embrittlement in aqueous, water-hydrocarbon and hydrocarbon corrosive environments containing hydrogen sulfide, chlorides, to protect metals from corrosion and hydrogen embrittlement.
- ⁇ individually or as a solution.
- the content of ⁇ in the solvent preferably from 15 to 85 May. %, depending on the technology of administration of the inhibitor and operating conditions.
- toluene, xylene, alcohols, various solvents and hydrocarbon fractions can be used to provide the product form, the processability of administration and the dosing of the inhibitor under operating conditions.
- the corrosion inhibitor is used in the corrosion protection of oil refining equipment.
- the corrosion inhibitor is used to protect against corrosion of pipelines, gas pipelines, tanks for transportation and storage of hydrocarbons, pumping equipment and valves.
- the corrosion inhibitor is used to protect against corrosion of metal products, process equipment operating in water and water-soluble environments.
- the effective concentration of the corrosion inhibitor is in the range of 1 - 50 rgl relative to the aggressive environment.
- ⁇ as an inhibitor of hydrogen sulfide corrosion and hydrogen embrittlement in aqueous, water-hydrocarbon and hydrocarbon corrosive environments containing hydrogen sulfide, chlorides, take an aggressive environment and mix it with ⁇ , while ensuring dissolution and / or distribution by volume, in effective concentration .
- ⁇ used in pure form or in the form of a solution in a solvent, with a content of in solution, preferably in an amount of 15-85 May. %
- hydrocarbon and water-hydrocarbon aggressive environment can be selected: oil, oil fractions, hydrocarbon fractions, commercial products based on hydrocarbons and their derivatives, which contain or may contain hydrogen sulfide, sulfur compounds, chlorides and other impurities that lead to corrosion of metals during its processing and / or operation.
- aqueous aggressive medium water, water-alcohol solutions, solutions based on ethylene glycol (antifreeze, antifreeze), which contain or may contain hydrogen sulfide, sulfur compounds, chlorides and other impurities that lead to corrosion of metals during its processing and / or operation .
- the corrosion inhibitor is used in the corrosion protection of oil refining equipment.
- the corrosion inhibitor is used to protect against corrosion of pipelines, gas pipelines, tanks for transportation and storage of hydrocarbons, pumping equipment and valves.
- the concentration of the corrosion inhibitor is in the range of 5 - 50 rrg relative to the environment, depending on its corrosivity and objectives.
- the pH of the resulting solution was maintained in the range of 5.5 to 6.5 with a neutralizer (such as methoxypropylamine (MORA) or others).
- a neutralizer such as methoxypropylamine (MORA) or others.
- MORA methoxypropylamine
- GOST 9.506-87 equipped with a "jacket” for heating and temperature control.
- the circulation of the test medium is carried out by a high-speed stirrer, providing a uniform flow of liquid.
- the flow velocity was set at 1 m / s.
- Samples prepared in accordance with the methodology were placed in an apparatus with aggressive media.
- the time of testing samples in the inhibited and non-inhibited medium was 6 hours at 60 ° C.
- the test time was counted from the moment the steel samples were placed on Wednesday.
- ml is the mass of the sample before the test, g;
- t2 is the mass of the sample after the test, g
- t is the time of the test, h.
- K 0 is the corrosion rate in a non-inhibited medium
- the range of effective concentrations is 1 - 50 ppm.
- An aggressive medium was a solution simulating a gas condensate field environment prepared on the basis of distilled water and the introduction of 0.5% NaCI, 0.25 g / l acetic acid (CH 3 COOH) at a concentration that provides a pH value of 3.4 - 3.6. Studies were conducted at various concentrations of H 2 S, the content of which was controlled by standard iodometric titration according to GOST 22387.2-97.
- Corrosion tests in the liquid phase were carried out at room temperature in a U-shaped glass vessel according to GOST 9.506-87 equipped with a “jacket” for heating and temperature control. Medium circulation was carried out high-speed stirrer to ensure a uniform flow of fluid. The flow velocity was set at 1 m / s. The duration of the experiment was 1, 5 h, and the concentration of inhibitor in the working solution was 25 ppm and 50 ppm (25 mg / l and 50 mg / l).
- the duration of the experiment was 240 hours, and the concentration of the inhibitor in the working solution was 2000 ppm and 4000 ppm (2 g / l and 4 g / l).
- the corrosion rate (K) was estimated by weight loss (Am) by the formula 1, and the protective effect of the inhibitor (Z) was calculated by the formula 2.
- n 0 is the number of kinks of the samples in the initial state
- n is the number of kinks of the samples after they are aged in the test solutions.
- z is the protective effect
- z is the protective effect
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
L'invention concerne l'industrie pétrolière et gazière et notamment un inhibiteur de corrosion par sulfure d'hydrogène dans des milieux agressifs d'eau-hydrobcarbures et d'hydrocarbures contenant en grande quantité des composés sulfurés, y compris le sulfure d'hydrogène, des chlorures et d'autres facteurs de corrosivité pour protéger des équipements et des canalisations métalliques contre la corrosion et la fragilisation par l'hydrogène. Le résultat technique de l'invention consiste à réduire la vitesse de corrosion et de fragilisation par l'hydrogène des métaux dans des milieux à sulfure d'hydrogène. L'utilisation de N-méthyl-para-anizidine en tant qu'inhibiteur de la corrosion par sulfure d'hydrogène et de la fragilisation par l'hydrogène dans des milieux agressifs d'eau-hydrobcarbures et d'hydrocarbures contenant du sulfure d'hydrogène.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2017135036 | 2017-10-05 | ||
| RU2017135036A RU2667928C1 (ru) | 2018-02-05 | 2018-02-05 | Применение n-метил-пара-анизидина в качестве ингибитора сульфоводородной коррозии и водородного охрупчивания |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019070149A1 true WO2019070149A1 (fr) | 2019-04-11 |
Family
ID=63668963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/RU2017/000884 WO2019070149A1 (fr) | 2017-10-05 | 2018-02-05 | Utilisation de n-méthyl-para-anizidine qu'inhibiteur de la corrosion par sulfure d'hydrogène et de la fragilisation par l'hydrogène |
Country Status (2)
| Country | Link |
|---|---|
| RU (1) | RU2667928C1 (fr) |
| WO (1) | WO2019070149A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2723123C1 (ru) * | 2019-05-07 | 2020-06-08 | Общество с ограниченной ответственностью «ИФОТОП» | Применение амидов, являющихся продуктами конденсации анизидина или его производных с нафтеновой кислотой в качестве ингибитора коррозии и водородного охрупчивания |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4321063A (en) * | 1980-10-24 | 1982-03-23 | Phillips Petroleum Company | Motor fuel |
| RU2491324C1 (ru) * | 2012-01-25 | 2013-08-27 | ИФО Евростандарт Лимитед | N-монометилзамещенные анилины в качестве компонентов, повышающих стойкость бензинов к окислению |
| EP2014643B1 (fr) * | 2006-04-12 | 2013-11-20 | Zao "Ifokhim" | Derives de para-methoxyanilines augmentant le pouvoir antidetonant de carburants hydrocarbonés et compositions sur leur base |
| RU2576327C1 (ru) * | 2015-03-31 | 2016-02-27 | Евгений Владимирович Ройтман | Антидетонационная добавка и топливо с указанной добавкой |
| RU2592269C1 (ru) * | 2015-05-13 | 2016-07-20 | Общество с ограниченной ответственностью "ИФОТОП" | Многофункциональная эфирная присадка к углеводородсодержащему топливу и топливная композиция |
-
2018
- 2018-02-05 RU RU2017135036A patent/RU2667928C1/ru active
- 2018-02-05 WO PCT/RU2017/000884 patent/WO2019070149A1/fr active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4321063A (en) * | 1980-10-24 | 1982-03-23 | Phillips Petroleum Company | Motor fuel |
| EP2014643B1 (fr) * | 2006-04-12 | 2013-11-20 | Zao "Ifokhim" | Derives de para-methoxyanilines augmentant le pouvoir antidetonant de carburants hydrocarbonés et compositions sur leur base |
| RU2491324C1 (ru) * | 2012-01-25 | 2013-08-27 | ИФО Евростандарт Лимитед | N-монометилзамещенные анилины в качестве компонентов, повышающих стойкость бензинов к окислению |
| RU2576327C1 (ru) * | 2015-03-31 | 2016-02-27 | Евгений Владимирович Ройтман | Антидетонационная добавка и топливо с указанной добавкой |
| RU2592269C1 (ru) * | 2015-05-13 | 2016-07-20 | Общество с ограниченной ответственностью "ИФОТОП" | Многофункциональная эфирная присадка к углеводородсодержащему топливу и топливная композиция |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2667928C1 (ru) | 2018-09-25 |
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