WO2019070149A1 - Применение n-метил-пара-анизидина в качестве ингибитора сульфоводородной коррозии и водородного охрупчивания - Google Patents
Применение n-метил-пара-анизидина в качестве ингибитора сульфоводородной коррозии и водородного охрупчивания 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
- 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.)
- Ceased
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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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- 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
Description
Claims
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 (ru) | 2019-04-11 |
Family
ID=63668963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/RU2017/000884 Ceased WO2019070149A1 (ru) | 2017-10-05 | 2018-02-05 | Применение n-метил-пара-анизидина в качестве ингибитора сульфоводородной коррозии и водородного охрупчивания |
Country Status (2)
| Country | Link |
|---|---|
| RU (1) | RU2667928C1 (ru) |
| WO (1) | WO2019070149A1 (ru) |
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 (en) * | 2006-04-12 | 2013-11-20 | Zao "Ifokhim" | Para-methoxyaniline derivatives increasing the antiknock rating of hydrocarbon fuels and compositions based thereon |
| 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/ru not_active Ceased
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 (en) * | 2006-04-12 | 2013-11-20 | Zao "Ifokhim" | Para-methoxyaniline derivatives increasing the antiknock rating of hydrocarbon fuels and compositions based thereon |
| 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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