SU768441A1 - Method of removing hydrogen sulfide and mercaptans from gases - Google Patents
Method of removing hydrogen sulfide and mercaptans from gases Download PDFInfo
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- SU768441A1 SU768441A1 SU782701400A SU2701400A SU768441A1 SU 768441 A1 SU768441 A1 SU 768441A1 SU 782701400 A SU782701400 A SU 782701400A SU 2701400 A SU2701400 A SU 2701400A SU 768441 A1 SU768441 A1 SU 768441A1
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- USSR - Soviet Union
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- gases
- mercaptans
- hydrogen sulfide
- purification
- carboxylic acid
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- Gas Separation By Absorption (AREA)
Description
Изобретение относитс к абсорбционной очистке газов от сернистых соединений и может быть использовано в газо- и нефтеперерабатывающей отрасл х промышленности .This invention relates to the absorption purification of gases from sulfur compounds and can be used in the gas and oil refining industries.
Известны способы очистки газов от сероводорода и меркаптанов путем их абсорбции пол рными органическими растворител ми 1.Methods are known for purifying gases from hydrogen sulfide and mercaptans by their absorption by polar organic solvents 1.
Иелдостатком известных способов вл етс использование в них абсорбентов, не обеспечивающих требуемой степени очистки газов от сернистых соединений.The only remaining method of known methods is the use of absorbents in them that do not provide the required degree of purification of gases from sulfur compounds.
Известен также способ очистки газов от сероводорода и меркаптанов абсорбцией диметилформамидом в смеси с 10-- 30% вес. диэтаноламина 2.Also known is a method of purifying gases from hydrogen sulfide and mercaptans by absorption by dimethylformamide in a mixture with 10-- 30% weight. diethanolamine 2.
Недостатком этого способа вл етс недостаточно высока степень очистки газ:ов от М1еркаптанов.The disadvantage of this method is the insufficiently high degree of purification of gas: gas from M1ercaptans.
Целью изобретени вл етс иовыщение степени очистки.The aim of the invention is to determine the degree of purification.
Поставленна цель достигаетс спосрбом очистки газов от сероводорода и меркаптанов путем абсорбции их N-диалкилзамещепным амидом карбоновой кислоты, который осуществл ют смесью амид карбоновой кислоты с морфолином.This goal is achieved by scrubbing gases from hydrogen sulfide and mercaptans by absorbing them with N-dialkyl-substituted carboxylic acid amide, which is carried out with a mixture of carboxylic amide with morpholine.
При это.м морфолин ввод т в Количестве 20-70% об.At this, morpholine is administered in an amount of 20-70% by volume.
Та-кже в качестве амида карбоновой кислоты используют диметилформамид или ДИМ етйл а цета м и д.Also, dimethylformamide or DIM etyl aceta m and e are used as the carboxylic acid amide.
Процесс очистки газов указанным аб5 сорбентом провод т при темиературе отThe process of gas purification with the specified sorbent is carried out at a temperature of
-10 до -г 40° С и давлении от 1 до 100 атм.-10 to -40 ° C and pressure from 1 to 100 atm.
Абсорбент регенерируют нагреванием и продувкой газом или паром.The absorbent is regenerated by heating and purging with gas or steam.
Пример 1. Очистку газа провод т в стекл ннол насадочном абсорбер.е Example 1. Gas purification is carried out in a glass packed absorber.
10 ( Н 640 мм, мм со стационарным слоем абсорбента. В качестве насадки исг пользуют кольца Ращига размером 5x5x1 мм. В абсорбер загружают 80 мл 15 абсорбента и при атмосферном давлений, тслшературе 22° С пропускают из газометра в течение часа с объемной скоростью 88 азот, содержащий 2,4% об. этилмгркаптана . Очищенный газ иропускают 10 (H 640 mm, mm with a stationary layer of absorbent. Raschiga rings measuring 5x5x1 mm are used as a nozzle. 80 ml of 15 absorbents are loaded into the absorber and at atmospheric pressures, 22 ° C is passed through the volumetric rate of 88 containing 2.4% by volume ethyl mgcaptan. The purified gas is passed through
20 через скл нку Дрексел с 70 мл 20%-ного раствора едкого натра дл поглощени остаточного этилмеркаптана.20 through a Drexel bottle with 70 ml of a 20% sodium hydroxide solution to absorb residual ethyl mercaptan.
Раствор едкого натра анализируют на 25 содержаипе мера аптановой серы методом потенциометрического титровани .A solution of caustic soda is analyzed on 25% of a measure of aptan sulfur by potentiometric titration.
Результаты эксперимента и сравнительные данные по очистке азота в тех же услови х известньш абсорбентом приведены 30 в таблице I.The results of the experiment and comparative data on the purification of nitrogen under the same conditions known as an absorbent are given 30 in Table I.
Пример 2. В услови х примера 1 провод т очистку азота, содержащего 4,0% сероводорода. Врем пропускани азота через абсорбент равно Г5 мин.Example 2. Under the conditions of Example 1, nitrogen was purified containing 4.0% hydrogen sulphide. The time of passage of nitrogen through the absorbent is G5 minutes.
Результаты эксперимента и сравнительные данные по очистке азота в тех же услови х известным абсорбентом приведены в таблице 2.The results of the experiment and comparative data on the purification of nitrogen under the same conditions by a known absorbent are given in Table 2.
Таблица 2table 2
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782701400A SU768441A1 (en) | 1978-12-25 | 1978-12-25 | Method of removing hydrogen sulfide and mercaptans from gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782701400A SU768441A1 (en) | 1978-12-25 | 1978-12-25 | Method of removing hydrogen sulfide and mercaptans from gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU768441A1 true SU768441A1 (en) | 1980-10-07 |
Family
ID=20800511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU782701400A SU768441A1 (en) | 1978-12-25 | 1978-12-25 | Method of removing hydrogen sulfide and mercaptans from gases |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU768441A1 (en) |
-
1978
- 1978-12-25 SU SU782701400A patent/SU768441A1/en active
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