GB844095A - Improvements in or relating to the purification of gases - Google Patents

Improvements in or relating to the purification of gases

Info

Publication number
GB844095A
GB844095A GB9383/58A GB938358A GB844095A GB 844095 A GB844095 A GB 844095A GB 9383/58 A GB9383/58 A GB 9383/58A GB 938358 A GB938358 A GB 938358A GB 844095 A GB844095 A GB 844095A
Authority
GB
United Kingdom
Prior art keywords
solution
regeneration
absorbed
absorption step
gases
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB9383/58A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EQUIP IND CHIMIQUES S P E I C
Original Assignee
EQUIP IND CHIMIQUES S P E I C
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 EQUIP IND CHIMIQUES S P E I C filed Critical EQUIP IND CHIMIQUES S P E I C
Publication of GB844095A publication Critical patent/GB844095A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/52—Hydrogen sulfide
    • B01D53/523—Mixtures of hydrogen sulfide and sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/52—Hydrogen sulfide
    • B01D53/526—Mixtures of hydrogen sulfide and carbon dioxide
    • 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
    • C01B17/16—Hydrogen sulfides
    • C01B17/167—Separation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
    • C10K1/124—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing metal compounds other than alkali- or earth-alkali carbonates, hydroxides- or oxides- or salts of inorganic acids derived from sulfur
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
    • C10K1/124—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing metal compounds other than alkali- or earth-alkali carbonates, hydroxides- or oxides- or salts of inorganic acids derived from sulfur
    • C10K1/125—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing metal compounds other than alkali- or earth-alkali carbonates, hydroxides- or oxides- or salts of inorganic acids derived from sulfur containing Fe compounds
    • 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
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

H2S is selectively absorbed from gases containing H2S and CO2 by washing them with an aqueous solution of di-potassium hydrogen phosphate containing at least 2 and preferably 5 gram molecules of the salt per litre, the time of contact between the gases and the solution being such that all the H2S is absorbed. The contact time may be between several seconds and one minute and the treatment is preferably carried out at superatmospheric pressure, e.g. 20 kg/cm2. A solution of tetrapotassium pyrophosphate containing dipotassium hydrogen phosphate as a product of hydrolysis may be employed in the treatment. The solution leaving the absorption step may be regenerated by reducing the pressure on the solution and simultaneously agitating it or dividing it into fine streams or drops, and/or subjecting it to the stripping action of an inert gas. CO2 absorbed in the solution may for the most part be removed from the solution before regeneration by treating it with a portion of the H2S obtained in the regeneration thereby obtaining a purer hydrogen sulphide from the subsequent regeneration. To obtain in the regeneration H2S almost free from CO2, the solution before it is returned to the absorption step and after it has been regenerated as described above is heated to reduce its bi-carbonate content so that the solution leaving the absorption step will have a low CO2 content.
GB9383/58A 1957-04-04 1958-03-24 Improvements in or relating to the purification of gases Expired GB844095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR71166T 1957-04-04

Publications (1)

Publication Number Publication Date
GB844095A true GB844095A (en) 1960-08-10

Family

ID=8702780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9383/58A Expired GB844095A (en) 1957-04-04 1958-03-24 Improvements in or relating to the purification of gases

Country Status (4)

Country Link
BE (1) BE566046A (en)
FR (1) FR71166E (en)
GB (1) GB844095A (en)
LU (1) LU35904A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190682A (en) * 1986-04-18 1987-11-25 Wessex Water Authority Treatment of bio-gas
CN113289481A (en) * 2021-06-15 2021-08-24 中国石油化工股份有限公司 Oil field acidification hydrogen sulfide remover and use method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190682A (en) * 1986-04-18 1987-11-25 Wessex Water Authority Treatment of bio-gas
GB2190682B (en) * 1986-04-18 1990-03-21 Wessex Water Authority Treatment of bio-gas
CN113289481A (en) * 2021-06-15 2021-08-24 中国石油化工股份有限公司 Oil field acidification hydrogen sulfide remover and use method thereof
CN113289481B (en) * 2021-06-15 2022-11-11 中国石油化工股份有限公司 Oil field acidified hydrogen sulfide remover and use method thereof

Also Published As

Publication number Publication date
LU35904A1 (en)
FR71166E (en) 1959-10-13
BE566046A (en) 1900-01-01

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