RU2007135268A - METHOD FOR PRODUCING SULFURIC ACID - Google Patents

METHOD FOR PRODUCING SULFURIC ACID Download PDF

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Publication number
RU2007135268A
RU2007135268A RU2007135268/15A RU2007135268A RU2007135268A RU 2007135268 A RU2007135268 A RU 2007135268A RU 2007135268/15 A RU2007135268/15 A RU 2007135268/15A RU 2007135268 A RU2007135268 A RU 2007135268A RU 2007135268 A RU2007135268 A RU 2007135268A
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Russia
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combustion chamber
sulfuric acid
gas
sulfur
leaving
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RU2007135268/15A
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Russian (ru)
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RU2458857C9 (en
RU2458857C2 (en
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Петер ШУБЮ (DK)
Петер ШУБЮ
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Хальдор Топсеэ А/С (DK)
Хальдор Топсеэ А/С
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Publication of RU2007135268A publication Critical patent/RU2007135268A/en
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Publication of RU2458857C2 publication Critical patent/RU2458857C2/en
Publication of RU2458857C9 publication Critical patent/RU2458857C9/en

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  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (15)

1. Способ получения серной кислоты, включающий стадии сжигания серосодержащего источника с кислородом в топочной камере, каталитическое окисление диоксида серы, содержащегося в выходящем из топочной камеры газе, до триоксида серы, гидратацию триоксида серы водой до серной кислоты и конденсацию образованной таким образом серной кислоты, в котором, по крайней мере, часть кислорода для сжигания серосодержащего источника и окисления диоксида серы и в котором, по крайней мере, часть воды для гидратации диоксида серы содержится в топочном газе, добавляемом в топочную камеру и, необязательно, далее к потоку, идущему по направлению к топочной камере.1. A method for producing sulfuric acid, comprising the steps of burning a sulfur-containing source with oxygen in the combustion chamber, catalytic oxidation of sulfur dioxide contained in the gas leaving the combustion chamber to sulfur trioxide, hydration of sulfur trioxide with water to sulfuric acid, and condensation of the sulfuric acid thus formed, in which at least part of the oxygen for burning the sulfur-containing source and oxidation of sulfur dioxide and in which at least part of the water for hydrating sulfur dioxide is contained in the flue gas Being added to the combustion chamber and, optionally, further to the flow going toward the combustion chamber. 2. Способ по п.1, в котором выходящий из топочной камеры газ содержит 0,5-5% (моляр) оксидов серы SO2 и 2-20% (моляр) О2.2. The method according to claim 1, in which the gas leaving the combustion chamber contains 0.5-5% (molar) of sulfur oxides SO 2 and 2-20% (molar) of O 2 . 3. Способ по п.2, в котором содержание вышеупомянутого О2 обеспечивается путем добавления воздуха к потоку и/или по направлению к топочной камере.3. The method according to claim 2, in which the content of the above O 2 is provided by adding air to the stream and / or towards the combustion chamber. 4. Способ по п.1 или 2, в котором SO2, в выходящем из топочной камеры газе, превращается в SO3 при температуре между 360°С и 460°С на, по крайней мере, одном неподвижном слое катализатора окисления SO2.4. The method according to claim 1 or 2, in which SO 2 , in the gas leaving the combustion chamber, is converted to SO 3 at a temperature between 360 ° C and 460 ° C on at least one fixed bed of SO 2 oxidation catalyst. 5. Способ по п.4, в котором катализатор окисления SO2 располагают в два слоя с промежуточным охлаждением.5. The method according to claim 4, in which the oxidation catalyst SO 2 is placed in two layers with intermediate cooling. 6. Способ по п.1, в котором топочный газ содержит 4-15% (моляр) Н2О, и вводится во внутрь топочной камеры при температуре 80-380°С.6. The method according to claim 1, in which the flue gas contains 4-15% (molar) H 2 O, and is introduced into the inside of the combustion chamber at a temperature of 80-380 ° C. 7. Способ по п.1, в котором концентрация NOx, содержащихся в выходящем из топочной камеры газе, восстанавливается NH3 на слое катализатора селективного каталитического восстановления SCR, расположенного выше, по крайней мере, одного слоя катализатора окисления SO2.7. The method according to claim 1, wherein the concentration of NOx contained in the gas leaving the combustion chamber is reduced by NH 3 on a SCR selective catalyst bed located above at least one SO 2 oxidation catalyst layer. 8. Способ по п.4, в котором концентрация NOx, содержащихся в выходящем из топочной камеры газе, восстанавливается NH3 на слое катализатора селективного каталитического восстановления SCR, расположенного выше, по крайней мере, одного слоя катализатора окисления SO2.8. The method according to claim 4, in which the concentration of NOx contained in the gas leaving the combustion chamber is reduced by NH 3 on the SCR selective catalytic reduction catalyst layer located above at least one SO 2 oxidation catalyst layer. 9. Способ по п.1, в котором газ после стадии окисления SO2 охлаждают в теплообменнике до температуры 50-130°С.9. The method according to claim 1, in which the gas after the stage of oxidation of SO 2 is cooled in a heat exchanger to a temperature of 50-130 ° C. 10. Способ по п.4, в котором газ после стадии окисления SO2 охлаждают в теплообменнике до температуры 50-130°С.10. The method according to claim 4, in which the gas after the stage of oxidation of SO 2 is cooled in a heat exchanger to a temperature of 50-130 ° C. 11. Способ по любому пп.1-3 или 5-10, в котором стадии гидратации и конденсации триоксида серы до серной кислоты проводят в сернокислотной колонне, содержащей теплообменник с множеством трубок, охлаждающихся с внешней стороны воздухом.11. The method according to any one of claims 1 to 3 or 5-10, in which the stage of hydration and condensation of sulfur trioxide to sulfuric acid is carried out in a sulfuric acid column containing a heat exchanger with many tubes, cooled from the outside by air. 12. Способ по п.4, в котором стадии гидратации и конденсации триоксида серы с образованием серной кислоты проводятся в сернокислотной колонне, содержащей теплообменник с множеством трубок, охлаждающихся с внешней стороны воздухом.12. The method according to claim 4, in which the stages of hydration and condensation of sulfur trioxide with the formation of sulfuric acid are carried out in a sulfuric acid column containing a heat exchanger with many tubes, cooled from the outside by air. 13. Способ по любому из пп.1-3, или 5-10, или 12, в котором топочный газ содержит воду в количестве, обеспечивающем молярное отношение H2O:SO2 выше 1 в потоке газа, выходящего из топочной камеры.13. The method according to any one of claims 1 to 3, or 5-10, or 12, in which the flue gas contains water in an amount providing a molar ratio of H 2 O: SO 2 above 1 in the gas stream leaving the combustion chamber. 14. Способ по п.4, в котором топочный газ содержит воду в количестве, обеспечивающем молярное отношение H2O:SO2 выше 1 в потоке газа, выходящего из топочной камеры.14. The method according to claim 4, in which the flue gas contains water in an amount providing a molar ratio of H 2 O: SO 2 above 1 in the gas stream leaving the combustion chamber. 15. Способ по п.11, в котором топочный газ содержит воду в количестве, обеспечивающем молярное отношение H2O:SO2 выше 1 в потоке газа, выходящего из топочной камеры. 15. The method according to claim 11, in which the flue gas contains water in an amount providing a molar ratio of H 2 O: SO 2 above 1 in the gas stream leaving the combustion chamber.
RU2007135268/05A 2006-09-25 2007-09-24 Method of producing sulphuric acid RU2458857C9 (en)

Applications Claiming Priority (2)

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DKPA200601234 2006-09-25
DKPA200601234 2006-09-25

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RU2007135268A true RU2007135268A (en) 2009-03-27
RU2458857C2 RU2458857C2 (en) 2012-08-20
RU2458857C9 RU2458857C9 (en) 2016-04-10

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CN (1) CN101152958B (en)
AR (1) AR062843A1 (en)
AU (1) AU2007219270C1 (en)
BR (1) BRPI0704106B1 (en)
CL (1) CL2007002726A1 (en)
PE (1) PE20080650A1 (en)
RU (1) RU2458857C9 (en)
ZA (1) ZA200708141B (en)

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CN102320579B (en) * 2011-07-01 2013-04-24 上海科洋科技发展有限公司 Technical method for preparing sulfuric acid from hydrogen sulfide
RU2530077C2 (en) * 2013-01-15 2014-10-10 Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. проф. Я.В. Самойлова" (ОАО "НИУИФ") Method of producing sulphuric acid and apparatus therefor
US9815693B2 (en) 2013-07-18 2017-11-14 Shell Oil Company Processes for producing sulfuric acid from sour tail gas field
EP2942323A1 (en) * 2014-05-09 2015-11-11 Haldor Topsøe A/S Production of sulfuric acid from coke oven gas desulfurisation product
CN106215638B (en) * 2016-09-23 2021-02-09 杭州东日节能技术有限公司 Sulfur resource recycling process and device for sulfur-containing flue gas
US20230038918A1 (en) * 2019-12-13 2023-02-09 Chemetics Inc. Integrated ammonia and sulfuric acid production plant and process
WO2022055662A1 (en) * 2020-09-09 2022-03-17 Chemetics Inc. System and method for producing sulfur dioxide and associated sulfuric acid plant

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JPS54119396A (en) * 1978-03-09 1979-09-17 Hitachi Zosen Corp Manufacture of sulfuric acid
DK145457C (en) * 1980-03-25 1983-04-18 Haldor Topsoe As PROCEDURE FOR THE PRODUCTION OF SULFURIC ACID, BY THE QUANTITY OF SULFURIC ACID IN THE EXHAUST GAS CONTROLLED BY TEMPERATURE CONTROL
RU2018483C1 (en) * 1988-06-02 1994-08-30 Хальдор Топсее А/С Method and device for condensing sulfuric acid vapors
DK168702B1 (en) * 1988-06-02 1994-05-24 Topsoe Haldor As Process for preparing sulfuric acid and apparatus for use in the practice of the process
DK168701B1 (en) * 1988-06-09 1994-05-24 Topsoe Haldor As Process for condensing sulfuric acid vapors in the production of sulfuric acid
FI80616B (en) * 1988-10-31 1990-03-30 Tampella Oy Ab FOERFARANDE FOER AVLAEGSNING AV SVAVELDIOXID FRAON HETA ROEKGASER.
US6287534B1 (en) * 1994-03-28 2001-09-11 Ping Wha Lin Method for manufacturing sulfuric acid
ATE200469T1 (en) * 1996-11-26 2001-04-15 Haldor Topsoe As METHOD FOR CONCENTRATING SULFURIC ACID
CA2237744A1 (en) * 1998-05-14 1999-11-14 Robert Ross Hudgins Catalyst and process for oxidation of sulphur dioxide
FR2781216B1 (en) * 1998-07-17 2000-08-18 Air Liquide PROCESS AND DEVICE FOR PRODUCING SULFURIC ACID

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ZA200708141B (en) 2009-01-28
RU2458857C9 (en) 2016-04-10
AU2007219270A1 (en) 2008-04-10
AR062843A1 (en) 2008-12-10
BRPI0704106A (en) 2008-08-12
AU2007219270C1 (en) 2016-03-31
PE20080650A1 (en) 2008-08-01
RU2458857C2 (en) 2012-08-20
CN101152958B (en) 2010-12-01
CL2007002726A1 (en) 2008-02-22
BRPI0704106B1 (en) 2017-04-25
AU2007219270B2 (en) 2012-09-27
CN101152958A (en) 2008-04-02

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