SU1611851A1 - Method of producing elementary sulfur - Google Patents

Method of producing elementary sulfur Download PDF

Info

Publication number
SU1611851A1
SU1611851A1 SU884432712A SU4432712A SU1611851A1 SU 1611851 A1 SU1611851 A1 SU 1611851A1 SU 884432712 A SU884432712 A SU 884432712A SU 4432712 A SU4432712 A SU 4432712A SU 1611851 A1 SU1611851 A1 SU 1611851A1
Authority
SU
USSR - Soviet Union
Prior art keywords
sulfur
stage
sulfur dioxide
hydrogen sulfide
carried out
Prior art date
Application number
SU884432712A
Other languages
Russian (ru)
Inventor
Соломон Менделевич Голянд
Юрий Николаевич Бродский
Юрий Михайлович Афанасьев
Вадим Моисеевич Плинер
Леонид Яковлевич Раксин
Original Assignee
Предприятие П/Я А-7113
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я А-7113 filed Critical Предприятие П/Я А-7113
Priority to SU884432712A priority Critical patent/SU1611851A1/en
Application granted granted Critical
Publication of SU1611851A1 publication Critical patent/SU1611851A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • C01B17/0413—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the combustion step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • C01B17/0426—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the catalytic conversion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

Изобретение относитс  к способам получени  элементарной серы из сероводородсодержащих газов методом Клауса. Целью изобретени   вл етс  увеличение выхода сырь  и уменьшение выброса диоксида серы. Способ заключаетс  в том, что сжигание сероводорода в термической ступени провод т с недостатком воздуха 2,0-2,5% от стехиометрии, а в третьей каталитической ступени окисление H2S провод т при температуре поступающего газа, равной 145-155°С, воздухом в количестве, обеспечивающем содержание O2 в отход щих газах, равном 0,4-0,5 об.%. Способ дает возможность увеличить выход серы до 98,7-99,1% против 96-97% по известному способу и снизить выброс диоксида серы в атмосферу в 2,5-3,0 раза. 1 табл.The invention relates to methods for the production of elemental sulfur from hydrogen sulfide-containing gases by the Claus method. The aim of the invention is to increase the yield of raw materials and reduce the emission of sulfur dioxide. The method consists in that the burning of hydrogen sulphide in the thermal stage is carried out with a lack of air of 2.0-2.5% of stoichiometry, and in the third catalytic stage the oxidation of H 2 S is carried out at an inlet gas temperature of 145-155 ° C, air in an amount that provides an O 2 content in the exhaust gas, equal to 0.4-0.5% by volume. The method makes it possible to increase the sulfur yield to 98.7-99.1% against 96-97% by a known method and reduce the emission of sulfur dioxide into the atmosphere by 2.5-3.0 times. 1 tab.

Description

Изобретение относитс  к способам получени  элементарной серы из сероводородных газов и может быть использовано дл  переработки сероводброд- содержащих газов, получающихс  при очистке природных газов, и газов нефтепереработки от сероводорода.The invention relates to methods for producing elemental sulfur from hydrogen sulphide gases and can be used to process hydrogen sulphide-containing gases resulting from the purification of natural gases and refined gases from hydrogen sulphide.

Целью изобретени   вл етс  повышение выхода серы и уменьшение выбросов диоксида серы.The aim of the invention is to increase the yield of sulfur and reduce emissions of sulfur dioxide.

Пример, Исходный газ, содержащий , обД: 95,0; СН4 1,0; ,0, в количестве 1000 направл ют в реакторы в следующем количест- .ве: 90% исходного газа - в топку котла-утилизатора , 6% - в топку подогревател  газа перед первой каталитической ступенью, % - в топку подогревател  перед второй каталитической ступенью. В указанных аппаратах 10 H2S термически диссоциируют на Н иExample, Source gas containing, OBD: 95.0; CH4 1.0; , 0, in the amount of 1000, is sent to the reactors in the following quantity: 90% of the source gas - into the furnace of the waste heat boiler, 6% - into the furnace of the gas preheater before the first catalytic stage,% - into the furnace of the preheater before the second catalytic stage. In these devices 10 H2S thermally dissociate into H and

S. Перед третьей каталитической ступенью газ подогревают вод ным паром. Технологический процесс провод т при недостатке воздуха против стехиометрии , равной 2%, исключа  количество сероводорода, .термически разлагаемое на Н и S. Во всех топках происходит реакци  с образованием серы в количестве 65% от всего сероводорода, поступающего б каждую топку.S. Before the third catalytic stage, the gas is heated with water vapor. The technological process is carried out with a lack of air versus stoichiometry equal to 2%, excluding the amount of hydrogen sulfide thermally decomposed on H and S. In all furnaces there is a reaction with the formation of sulfur in the amount of 65% of the total hydrogen sulfide supplied to each furnace.

Конверси  H, в первой и второй каталитических ступен х 60%, в третьей каталитической ступени 85%. Выход серы 99,1%, содержание 80 в отход щих газах 0,35.Conversion H, in the first and second catalytic stages x 60%, in the third catalytic stage 85%. Sulfur yield is 99.1%, content 80 in exhaust gases is 0.35.

Вли ние недостатка кислорода в термической ступени на выход серы и содержание диоксида серы в отход щих газах приведено в таблице.The effect of the lack of oxygen in the thermal stage on the output of sulfur and the content of sulfur dioxide in the exhaust gases is given in the table.

Ограничение концентрации кислоро- да в газах пЬсле третьей каталитичесСЗLimiting the concentration of oxygen in gases after the third catalytic SZ

0000

кфй ступени требуетс  дл  предотвра- возрастани  интенсивности об- р4зовани  диоксида серы при nosbiuje- н4и концентрации 0 более 0,5%, а у(|еньшение концентрации Од, (менее ) не обеспечивает полноты окислен ФгA stage is required to prevent an increase in the intensity of sulfur dioxide formation at nosbiuje-n4 and a concentration of 0 more than 0.5%, and for y (the decrease in the concentration of Od, (less) does not ensure the completeness of oxidized Fg

|  сероводорода в серу, оба этих iKTOpa привод т к увеличению выброса| hydrogen sulfide to sulfur, both of these iKTOpa lead to an increase in emissions

дюксида серы в атмосферу после печи дожита.sulfur dioxide to the atmosphere after the kiln is in life.

тр те ти се ше эт чи неtr te te

Подогрев газа, поступающего в ;тью каталитическую ступень, до ипературы менее Preheating of the gas entering the; catalytic stage to less than

к по влению в газеfor gas

С может привес капельно-жидкоC may add a drop-liquid

зы, а более приводит к повы- нию температуры газа на выходе из эй ступени более 23S°t, что увели- зает концентрацию сернистых соеди- ний и уменьшает выход серы. Переработка сероводородсодержащих гавов по предлагаемому способу дает возможность увеличить выход серы доThreat, and more leads to an increase in the gas temperature at the exit of the hey stage by more than 23S ° t, which increases the concentration of sulfur compounds and reduces the sulfur yield. The processing of hydrogen sulfide-containing gavas by the proposed method makes it possible to increase the yield of sulfur to

9898

,7-99,1 против 96-97% по известно- 25, 7-99.1 versus 96-97%, according to known- 25

00

5five

00

5five

Claims (1)

му способу и снизить выброс диоксида серы в атмосферу в 2,5-3sО раза. Формула изобретений Способ получени  элементарной серы из сероводородсодержащих газов методом Клауса, включакщий сжигание исходного газа в термической ступени и , трехступенчатое каталитическое окис- пение сероводорода диоксидом серы, образующимс  в термической ступени, с промежуточным выделением серы после каждой стадии., отличающийс  тем, что, с целью повышени  выхода серы и уменьшени  выброса диоксида серы, сжигание сероводорода в термической ступени провод т с недостатком воздуха 2,0-2,5% от стехиометрии, а в третьей каталитической ступени окисление сероводорода провод т при температуре поступающего газа 1 5-155 0 воздухом в количестве, обеспечивающем содержание кислорода в отход щих газах 0,А- 0,5%. .way to reduce the emission of sulfur dioxide into the atmosphere in 2.5-3sO times. Claims The method of obtaining elemental sulfur from hydrogen sulfide-containing gases by the Claus method, including the combustion of the source gas in the thermal stage and three-step catalytic oxidation of hydrogen sulfide by sulfur dioxide formed in the thermal stage, with intermediate sulfur evolution after each stage. In order to increase the sulfur yield and reduce sulfur dioxide emissions, the burning of hydrogen sulfide in the thermal stage is carried out with a lack of air, 2.0-2.5% of stoichiometry, and in the third second stage oxidation of hydrogen sulphide is carried out at a temperature of the incoming gas 0 1 5-155 air in an amount to provide an oxygen content in exhaust gases 0, A- 0.5%. . Показатели при недостатке кислорода j %Indicators with a lack of oxygen j% tu«i . Ka. iion.A.HTui.D. n aw f « «««псtu “i. Ka. iion.A.HTui.D. n aw f "" "ps 1,0 2,0 j 2,5 j 3,(1.0 2.0 j 2.5 j 3, (
SU884432712A 1988-03-23 1988-03-23 Method of producing elementary sulfur SU1611851A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU884432712A SU1611851A1 (en) 1988-03-23 1988-03-23 Method of producing elementary sulfur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU884432712A SU1611851A1 (en) 1988-03-23 1988-03-23 Method of producing elementary sulfur

Publications (1)

Publication Number Publication Date
SU1611851A1 true SU1611851A1 (en) 1990-12-07

Family

ID=21378083

Family Applications (1)

Application Number Title Priority Date Filing Date
SU884432712A SU1611851A1 (en) 1988-03-23 1988-03-23 Method of producing elementary sulfur

Country Status (1)

Country Link
SU (1) SU1611851A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016102652A1 (en) * 2014-12-24 2016-06-30 Prosernat Removal of hydrogen sulfide and sulfur recovery from a gas stream by catalytic direct oxidation and claus reaction
US10195565B2 (en) 2014-12-24 2019-02-05 Prosernat Removal of hydrogen sulfide and sulfur recovery from a gas stream by catalytic direct oxidation and claus reaction
WO2022133465A1 (en) * 2020-12-18 2022-06-23 Uop Llc Process for managing hydrogen sulfide in a refinery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Leengrich А.R., Cameron W.L. Oil and gas J. 1978, v. 76, № 12, p.158-162. *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016102652A1 (en) * 2014-12-24 2016-06-30 Prosernat Removal of hydrogen sulfide and sulfur recovery from a gas stream by catalytic direct oxidation and claus reaction
US10195565B2 (en) 2014-12-24 2019-02-05 Prosernat Removal of hydrogen sulfide and sulfur recovery from a gas stream by catalytic direct oxidation and claus reaction
RU2694750C2 (en) * 2014-12-24 2019-07-16 Прозернат Removal of hydrogen sulphide and regeneration of sulphur from gas stream by direct catalytic oxidation and reaction of claus
WO2022133465A1 (en) * 2020-12-18 2022-06-23 Uop Llc Process for managing hydrogen sulfide in a refinery
US11708267B2 (en) 2020-12-18 2023-07-25 Uop Llc Process for managing hydrogen sulfide in a refinery

Similar Documents

Publication Publication Date Title
SU974934A3 (en) Process for producing sulphur
US3822337A (en) Process for elimination of ammonia and hydrogen sulfide from gases generated in coke plants and gas works
BR0113714B1 (en) a process of recovering feed gas stream sulfur vapor comprising hydrogen sulfide using two series ovens and at least one claus plant.
ES2000102A4 (en) PROCEDURE TO PURIFY EXHAUST GASES CONTAINING NITROGEN AND SULFUR OXIDES FROM COMBUSTION FACILITIES.
EP0287608A1 (en) Dual combustion oxygen-enriched claus sulfur plant.
BR9301445A (en) PROCESS AND APPLIANCE OR INSTALLATION TO TACT A POWER GAS CHAIN
SU1611851A1 (en) Method of producing elementary sulfur
US6488905B2 (en) Destruction of waste gas
US2092386A (en) Production of sulphur
CN1121894C (en) Treatment of combustible gas stream
NO308463B1 (en) Process for the production of sulfur from at least one acid gas, containing hydrogen sulphide and a fuel effluent, as well as a heat reactor therefore
RU92016443A (en) METHOD FOR PRODUCING SULFUR FROM AT LEAST ONE ACID GAS CONTAINING HYDROGEN
SU1711658A3 (en) Method of reduction of sulphurous anhydride concentration in flue gases
RU2221742C2 (en) Method for production of elementary sulfur from emission gases containing sulfur dioxide
RU2040464C1 (en) Method for production of sulfur from hydrogen sulfide-containing gas
EP0217567B1 (en) Process and apparatus for treating sulphur dioxide-containing gas
DK0430920T3 (en) Sulfur dioxide removal from chimney gas
SU695970A1 (en) Method of rendering harmless of sulfur -containing waste water
SU744191A1 (en) Method of burning sewage containing sulfur and sodium compounds
JP2626787B2 (en) Method for recovering sulfur from hydrogen sulfide-containing gas
EA011897B1 (en) Process for the recovery of sulphur from gaseous streams containing hydrogen sulphide and apparatus for its embodiment
KR100278320B1 (en) How to Treat Gas Streams
SU584047A1 (en) Method of cleaning iron ores from admixtures
RU2056347C1 (en) Method of elemental sulfur producing
RU2002702C1 (en) Method of elemental sulfur production

Legal Events

Date Code Title Description
REG Reference to a code of a succession state

Ref country code: RU

Ref legal event code: RH4F

Effective date: 20150225