SU822861A1 - Method of cleaning gas from hydrogen sulfide in the presence of carbon dioxide - Google Patents
Method of cleaning gas from hydrogen sulfide in the presence of carbon dioxide Download PDFInfo
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- SU822861A1 SU822861A1 SU792782603A SU2782603A SU822861A1 SU 822861 A1 SU822861 A1 SU 822861A1 SU 792782603 A SU792782603 A SU 792782603A SU 2782603 A SU2782603 A SU 2782603A SU 822861 A1 SU822861 A1 SU 822861A1
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- regeneration
- hydrogen sulfide
- solution
- gas
- purification
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(54) СПОСОБ ОЧИСТКИ ГАЗА ОТ СЕРОВОДОРОДА В ПРИСУТСТВИИ ДВУОКИСИ ЙГЛЕРОДА газЭ и расход тепловой энергии на регенерацию растворов. Концентрацию сероводорода в газах регенерации выбирают в зависимости от условий работы установок по переработке сероводорода в элементарную серу.Ус ,тановки/ работающие по схеме i S-Kif -SH-H O, позвол ют получать серу при концентрации сероводорода в газах 35-40 об.%, а установки, работающие по схеме 2Нг З+ЗО 2502+2Н20 , +S02 3S+2H20 - при концентрации сероводорода 15-20 об.%,Количество гидроокиси железа дл обработки раствора на второй стадии регенерации должно составл ть 2,0-2,5 кг/ч. При расходе гидроокиси железа менее 2,0 кг/ч не достигаетс 100%-на степень регенерации раствора, а при расходе 2,5 кг/ достигаетс максимальна степень реге нерации раствора и дальнейшее повыше ние расхода нецелесообразно. Пример. Очисте подвергают газ в количестве 2460 с концентрацией сероводорода 0,2 об.%. Очистку провод т 35%-ным водным раствором диэтаноламина, расход которого соста 8,1 . Отработанный раствор подвергают частичной тепловой регене рации до концентрации сероводорода в газах регенерации 15, об.%, а затем раствор обрабатывают гидроокисью железа с расходом 2,0 кг/ч. При этом степень регенерации раствора по сероводороду составл ет 100%, степень очистки газа от сероводорода достигает 100%. П р и м е р 2. Очистку газа провод т по примеру 1. Отработанный раствор подвергают тепловой регенерации до концентрации сероводорода в газах регенерации 30 об.%, а затем раствор обрабатывают гидроокисью железа с расходом 2,3 кг/ч. Степень регенерации раствора по сероводороду составл ет 100%, степень очистки газа от сероводорода достигает 100%. П р и м е р 3. Очистку газа провод т по примеру 1. Отработанный раствор подвергают тепловой регенерации до концентрации сероводорода в газах регенерации 40 об.%, а затем раствор обрабатывают гидроокисью железа с расходом 2,5 кг/ч. Степень регенерации раствора по сероводороду составл ет 100%, степень очистки газа от сероводорода достигает 100%. В таблице представлены данные по предлагаемому и известному способам.(54) METHOD FOR CLEANING GAS FROM HYDROGEN IN THE PRESENCE OF GASE HYDROXIDE AND THE consumption of thermal energy for the regeneration of solutions. The concentration of hydrogen sulfide in the regeneration gases is chosen depending on the operating conditions of the installations for the processing of hydrogen sulfide into elemental sulfur. The hydrogen sulfide concentration in the gases 35-40 vol.% Is used according to the i S-Kif-SH-H O scheme. %, and installations operating according to the 2NgZ + 302,202 + 2H20 scheme, + S02 3S + 2H20 - at a hydrogen sulfide concentration of 15-20% by volume. The amount of iron hydroxide for treatment of the solution in the second regeneration stage should be 2.0-2. 5 kg / h When the consumption of iron hydroxide is less than 2.0 kg / h, a 100% degree of solution regeneration is not achieved, and with a flow rate of 2.5 kg / the maximum degree of solution regeneration is achieved and a further increase in consumption is impractical. Example. Purified gas is subjected to the amount of 2460 with a concentration of hydrogen sulfide of 0.2 vol.%. The purification is carried out with a 35% aqueous solution of diethanolamine, the consumption of which is 8.1. The waste solution is subjected to partial heat regeneration to a concentration of hydrogen sulfide in the regeneration gases of 15 vol.%, And then the solution is treated with iron hydroxide at a flow rate of 2.0 kg / h. The degree of regeneration of the solution by hydrogen sulfide is 100%, the degree of gas purification from hydrogen sulfide reaches 100%. PRI mme R 2. Gas purification is carried out according to Example 1. The spent solution is subjected to thermal regeneration to a hydrogen sulfide concentration in the regeneration gases of 30 vol.%, And then the solution is treated with iron hydroxide at a flow rate of 2.3 kg / h. The degree of regeneration of the solution by hydrogen sulfide is 100%, the degree of gas purification from hydrogen sulfide reaches 100%. PRI me R 3. Gas purification is carried out according to Example 1. The spent solution is subjected to thermal regeneration to a hydrogen sulfide concentration in the regeneration gases of 40% by volume, and then the solution is treated with iron hydroxide at a flow rate of 2.5 kg / h. The degree of regeneration of the solution by hydrogen sulfide is 100%, the degree of gas purification from hydrogen sulfide reaches 100%. The table presents data on the proposed and known methods.
Предлагаемый способThe proposed method
Концентраци сероводорода Hydrogen sulfide concentration
ПоказателиIndicators
Расход раствора поглотител .дл очистки газа, Consumption of the solution absorber .dl gas purification,
Расход пара на регенерацию, т/чSteam consumption for regeneration, t / h
Расход гидроокиси железа, кг/чIron hydroxide consumption, kg / h
Концентраци сероводорода в насыщенном растворе амина г/лThe concentration of hydrogen sulfide in a saturated solution of amine g / l
Степень регенерации раствора , %The degree of regeneration of the solution,%
Степень очистки газа, %The degree of gas purification,%
Предлагаемый способ позвол ет повысить степень очистки газа до 100% за счет увеличени степени регенерации отработанного раствора и снизить расход поглотител дл очистки газа и расход тепловой энергии на регенерацию растворов.The proposed method allows to increase the degree of gas purification up to 100% by increasing the degree of regeneration of the spent solution and reduce the consumption of the absorber for gas purification and the consumption of thermal energy for the regeneration of solutions.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792782603A SU822861A1 (en) | 1979-07-04 | 1979-07-04 | Method of cleaning gas from hydrogen sulfide in the presence of carbon dioxide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792782603A SU822861A1 (en) | 1979-07-04 | 1979-07-04 | Method of cleaning gas from hydrogen sulfide in the presence of carbon dioxide |
Publications (1)
Publication Number | Publication Date |
---|---|
SU822861A1 true SU822861A1 (en) | 1981-04-23 |
Family
ID=20834830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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SU792782603A SU822861A1 (en) | 1979-07-04 | 1979-07-04 | Method of cleaning gas from hydrogen sulfide in the presence of carbon dioxide |
Country Status (1)
Country | Link |
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SU (1) | SU822861A1 (en) |
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1979
- 1979-07-04 SU SU792782603A patent/SU822861A1/en active
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