RU95107409A - Treatment of crude oil to remove hydrogen sulfide
- Google Patents
Treatment of crude oil to remove hydrogen sulfide
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Publication number
RU95107409A
RU95107409ARU95107409/04ARU95107409ARU95107409ARU 95107409 ARU95107409 ARU 95107409ARU 95107409/04 ARU95107409/04 ARU 95107409/04ARU 95107409 ARU95107409 ARU 95107409ARU 95107409 ARU95107409 ARU 95107409A
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Application filed by А.М. Фахриев, Р.А. ФахриевfiledCriticalА.М. Фахриев
Priority to RU95107409/04ApriorityCriticalpatent/RU95107409A/en
Publication of RU95107409ApublicationCriticalpatent/RU95107409A/en
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum
(AREA)
Abstract
FIELD: oil treating. SUBSTANCE: crude oil is simultaneously treated with formaldehyde aqueous solution and alkanolamine at 25-70 C. Formaldehyde is taken in amount 1.2-15 mol per 1 mol of hydrogen sulfide, and alkanolamine (mono- or diethanolamine) 1-10 mol. EFFECT: essentially increased removal of hydrogen sulfide.
Claims (1)
Изобретение относится к нефтехимии, в частности к способам очистки нефти от сероводорода и может быть использовано в нефтяной промышленности для нейтрализации коррозионного и токсичного сероводорода при добыче и подготовке сероводородсодержащих нефтей. Цель: повышение степени очистки нефти от сероводорода. Очистку нефти от сероводорода проводят одновременной обработкой ее с водным раствором формальдегида и алканоламином при 25 - 70oС. При этом раствор формальдегида берут в количестве 1,2 - 15 моль формальдегида на 1 моль сероводорода. Кроме того, в качестве алканоламина используют моноэтаноламин или диэтаноламин в количестве 1 - 10 моль на 1 моль сероводорода. Предлагаемый способ позволяет значительно повысить степень очистки нефти от сероводорода в сравнении с известным способом и тем самым снизить степень сероводородной коррозии оборудования и нефтепроводов.The invention relates to petrochemistry, in particular to methods for cleaning oil from hydrogen sulfide and can be used in the oil industry to neutralize corrosive and toxic hydrogen sulfide in the extraction and preparation of hydrogen sulfide-containing oils. Purpose: increasing the degree of purification of oil from hydrogen sulfide. Purification of oil from hydrogen sulfide is carried out by simultaneous treatment with an aqueous solution of formaldehyde and alkanolamine at 25 - 70 o C. In this case, a solution of formaldehyde is taken in the amount of 1.2 - 15 mol of formaldehyde per 1 mol of hydrogen sulfide. In addition, monoethanolamine or diethanolamine in an amount of 1-10 mol per 1 mol of hydrogen sulfide is used as alkanolamine. The proposed method can significantly increase the degree of purification of oil from hydrogen sulfide in comparison with the known method and thereby reduce the degree of hydrogen sulfide corrosion of equipment and pipelines.
RU95107409/04A1995-05-101995-05-10Treatment of crude oil to remove hydrogen sulfide
RU95107409A
(en)