SU1482905A1 - Method of producing ethylene - Google Patents

Method of producing ethylene Download PDF

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Publication number
SU1482905A1
SU1482905A1 SU874273769A SU4273769A SU1482905A1 SU 1482905 A1 SU1482905 A1 SU 1482905A1 SU 874273769 A SU874273769 A SU 874273769A SU 4273769 A SU4273769 A SU 4273769A SU 1482905 A1 SU1482905 A1 SU 1482905A1
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SU
USSR - Soviet Union
Prior art keywords
methane
catalyst
ethylene
mixture
conversion
Prior art date
Application number
SU874273769A
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Russian (ru)
Inventor
Олег Валентинович Крылов
Александр Абрамович Кадушин
Сергей Эдуардович Платэ
Владислав Алексеевич Селезнев
Юрий Петрович Тюленин
Original Assignee
Институт Химической Физики Ан Ссср
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Priority to SU874273769A priority Critical patent/SU1482905A1/en
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Publication of SU1482905A1 publication Critical patent/SU1482905A1/en

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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

Изобретение касаетс  производства олефинов, в частности получени  этилена- промышленного полупродукта в нефтехимическом синтезе. Цель - повышение производительности и увеличение конверсии исходного метана. Последний совместно с кислородом пропускают на катализатором, содержащим 0,8-10мас.% лантана на носителе MGO, при 800-845°с, содержаний метана в исходной смеси 64-67% и скорости подачи 2-4 л/мин на 1 г катализатора. Эти услови  обеспечивают конверсию метана до 49,2%, селективность по сумме C2 до 38%, концентрацию этилена в целевой смеси C2 до 6,8 об.% и производительность по этилену до 5,5 кг/ч.кг катализатора. 3 табл.The invention relates to the production of olefins, in particular the production of ethylene-industrial intermediate in petrochemical synthesis. The goal is to increase productivity and increase conversion of the original methane. The latter, together with oxygen, is passed on a catalyst containing 0.8–10 wt.% Lanthanum on MGO carrier, at 800–845 ° C, methane contents in the initial mixture 64–67% and feed rate 2–4 l / min per 1 g of catalyst . These conditions provide methane conversion up to 49.2%, selectivity over C 2 to 38%, ethylene concentration in the target C 2 mixture to 6.8% by volume and ethylene throughput up to 5.5 kg / h of catalyst. 3 tab.

Description

Изобретение относитс  к синтезу . углеводородов окислительной каталитической димеризацией метана.The invention relates to the synthesis. hydrocarbons oxidative catalytic dimerization of methane.

Цель изобретени  - увеличение производительности процесса и конверсии метана.The purpose of the invention is to increase the productivity of the process and methane conversion.

Дл  ее достижени  димеризацию метана ведут на катализаторе, содержащем 0,8-10,0 мас.% лантана на носителе MgO, при 800-845°С, содержании метана в смеси с кислородом 65-67 об.% и скорости ее подачи 2-4 л/мин на 1 г катализатора.To achieve it, methane dimerization is carried out on a catalyst containing 0.8-10.0 wt.% Lanthanum on MgO carrier, at 800-845 ° C, methane content mixed with oxygen 65-67% vol. And its feed rate 2- 4 L / min per g of catalyst.

Способ иллюстрируетс  следующими примерами.The method is illustrated by the following examples.

Пример 1. В кварцевый реактор внутренним диаметром 4 мм загру- жают 20 мг зерен катализатораExample 1. In a quartz reactor, an internal diameter of 4 mm is loaded with 20 mg of catalyst grains.

2 мас.% La/MgO фракции 0,25-0,50 мм и при атмосферном давлении продувают смесь метана с кислородом (Г,.% и Ог 36 об.%) при 800-845вС при подаче смеси 2 л/мин.г.2 wt.% La / MgO fraction of 0.25-0.50 mm and at atmospheric pressure blow a mixture of methane with oxygen (G,.% And Og 36 vol.%) At 800-845 ° C while feeding a mixture of 2 l / ming .

Полученные данные представлены в табл. 1.The data obtained are presented in Table. one.

Пример 2. Аналогично примеру 1 проведены опыты на катализаторах 0,8-10,0 мас.% La/MgO с подачей смеси метан - кислород (СН4 64 об.% и Ог 36 об.%) при 800°С со скоростью 2 л/мин.г.Example 2. Analogously to example 1, experiments were performed on catalysts of 0.8-10.0 wt.% La / MgO with feeding a mixture of methane - oxygen (CH4 64% by volume and Og 36% by volume) at 800 ° C at a rate of 2 liters / min.

Полученные результаты приведены в табл. 2.The results are shown in Table. 2

Пример 3. Аналогично примеру 1 проведены опыты на катализаторе 2 мас.% La/MgO при 800°С с различнойExample 3. Analogously to example 1, experiments were performed on a catalyst of 2 wt.% La / MgO at 800 ° C with different

4 00 4 00

СОWITH

о сдabout sd

концентрацией метана в исходной газовой смеси.methane concentration in the source gas mixture.

((

Полученные результаты приведены в табл. 3.The results are shown in Table. 3

Claims (1)

Формула изобретени Invention Formula Способ получени  этилена путем контактировани  исходной смеси, содержащей метан и кислород, при повыA method of producing ethylene by contacting a feed mixture containing methane and oxygen, with increasing шенной температуре с лантансодержа- щим катализатором, отличающийс  тем, что, с целью повышени  производительности процесса и конверсии метана, используют катализатор , содержащий 0,8-10,0 мас.% лантана, нанесенного на носитель MgO, и процесс провод т при ЗОО-вАЗ С при содержании в исходной смеси 64- 67 об.% метана и при скорости ее подачи 2-4 л/мин на 1 г катализатора.temperature with a lanthanum-containing catalyst, characterized in that, in order to improve the performance of the process and the conversion of methane, a catalyst containing 0.8 to 10.0 wt.% lanthanum supported on MgO is used, and the process is carried out at ZOO- VAZ C with methane content of 64–67% by volume in the initial mixture and 2–4 l / min per 1 g of catalyst at its feed rate. Таблица 1Table 1 Пример дл  сравнени , температура . Comparative example, temperature. Таблица 3Table 3
SU874273769A 1987-06-01 1987-06-01 Method of producing ethylene SU1482905A1 (en)

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SU874273769A SU1482905A1 (en) 1987-06-01 1987-06-01 Method of producing ethylene

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SU874273769A SU1482905A1 (en) 1987-06-01 1987-06-01 Method of producing ethylene

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SU1482905A1 true SU1482905A1 (en) 1989-05-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2523013C1 (en) * 2013-03-05 2014-07-20 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ НАУКИ ИНСТИТУТ ОРГАНИЧЕСКОЙ ХИМИИ им. Н.Д. ЗЕЛИНСКОГО РОССИЙСКОЙ АКАДЕМИИ НАУК (ИОХ РАН) Catalyst for obtaining ethylene and method of obtaining ethylene with applying thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Авторское свидетельство СССР № 1392833,-кл. С 07 С 2/84, 1985. J.Chem. Soc. Спепь Commun9 1987, № 1, p. 19-20. J.Chem. Soc. Chem. Commun, 1986, № 1, p. 52-53. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2523013C1 (en) * 2013-03-05 2014-07-20 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ НАУКИ ИНСТИТУТ ОРГАНИЧЕСКОЙ ХИМИИ им. Н.Д. ЗЕЛИНСКОГО РОССИЙСКОЙ АКАДЕМИИ НАУК (ИОХ РАН) Catalyst for obtaining ethylene and method of obtaining ethylene with applying thereof

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