GB1407778A - Process for reducing the total sulphur content of claus off-gases - Google Patents

Process for reducing the total sulphur content of claus off-gases

Info

Publication number
GB1407778A
GB1407778A GB700074A GB700074A GB1407778A GB 1407778 A GB1407778 A GB 1407778A GB 700074 A GB700074 A GB 700074A GB 700074 A GB700074 A GB 700074A GB 1407778 A GB1407778 A GB 1407778A
Authority
GB
United Kingdom
Prior art keywords
claus
gases
reducing
sulphur content
total sulphur
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
GB700074A
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of GB1407778A publication Critical patent/GB1407778A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/14—Polycondensates modified by chemical after-treatment
    • C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
    • C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
    • C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8603—Removing sulfur compounds
    • B01D53/8612—Hydrogen sulfide
    • B01D53/8615—Mixtures of hydrogen sulfide and sulfur oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/14—Polycondensates modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

1407778 Claus off-gases SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 15 Feb 1974 [19 Feb 1973] 7000/74 Addition to 1356289 Heading C1A In the process of Specification 1,356,289 for reducing the total sulphur content of Claus offgases, an alkanolamine with a tertiary substituted nitrogen atom is used as the liquid and regeneratable absorbent for hydrogen sulphide when the off-gases contain more than 20 vol. per cent of carbon dioxide.
GB700074A 1973-02-19 1974-02-15 Process for reducing the total sulphur content of claus off-gases Expired GB1407778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7302263,A NL177190C (en) 1973-02-19 1973-02-19 IMPROVED METHOD FOR REDUCING THE TOTAL SULFUR CONTENT OF CLAUS GASES.

Publications (1)

Publication Number Publication Date
GB1407778A true GB1407778A (en) 1975-09-24

Family

ID=19818259

Family Applications (1)

Application Number Title Priority Date Filing Date
GB700074A Expired GB1407778A (en) 1973-02-19 1974-02-15 Process for reducing the total sulphur content of claus off-gases

Country Status (11)

Country Link
JP (1) JPS49114579A (en)
BE (1) BE810826R (en)
CA (1) CA1019539A (en)
DE (1) DE2407370A1 (en)
ES (1) ES423276A2 (en)
FR (1) FR2218132B2 (en)
GB (1) GB1407778A (en)
IT (1) IT1046233B (en)
NL (1) NL177190C (en)
SE (1) SE396588B (en)
ZA (1) ZA741012B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266274A (en) * 1992-10-13 1993-11-30 Tpa, Inc. Oxygen control system for a sulfur recovery unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563251A (en) * 1976-12-07 1980-03-26 Shell Int Research Process for working hydrogen suphidecontaining gases

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2361825A (en) * 1941-08-25 1944-10-31 Union Oil Co Reduction of sulphur dioxide to hydrogen sulphide and free sulphur
DE906606C (en) * 1951-10-21 1954-03-15 Ruhrchemie Ag Process for removing the sulfur present in gases
FR1105475A (en) * 1954-01-24 1955-12-05 Azote Office Nat Ind Process for the desulphurization of industrial gases and vapors
US2887363A (en) * 1956-09-28 1959-05-19 Exxon Research Engineering Co Conversion of methane to produce hydrogen sulfide
GB851443A (en) * 1957-04-10 1960-10-19 Metallgesellschaft Ag Method of treating gases derived from the distillation of coal
NL6615007A (en) * 1966-10-24 1968-04-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266274A (en) * 1992-10-13 1993-11-30 Tpa, Inc. Oxygen control system for a sulfur recovery unit

Also Published As

Publication number Publication date
FR2218132A2 (en) 1974-09-13
DE2407370A1 (en) 1974-08-29
FR2218132B2 (en) 1978-01-06
IT1046233B (en) 1980-06-30
ZA741012B (en) 1974-12-24
CA1019539A (en) 1977-10-25
JPS49114579A (en) 1974-11-01
ES423276A2 (en) 1977-07-01
AU6568374A (en) 1975-08-21
SE396588B (en) 1977-09-26
NL7302263A (en) 1974-08-21
BE810826R (en) 1974-08-12
NL177190C (en) 1985-08-16
NL177190B (en) 1985-03-18

Similar Documents

Publication Publication Date Title
GB1126215A (en) The purification of gases contaminated with mercury
ES453391A1 (en) Removal of CO2 and/or H2S and/or COS from gases containing these constituents
GB1387843A (en) Sewage treatment
GB2019827A (en) Process to produce sulphur from two acid gases both containing hydrogen sulphide and one of which contains ammonia
ES411067A1 (en) Process for purifying metallurgical gases containing sulphurous anhydride by extracting mercury
ES481717A1 (en) Process of removing nitrogen oxides from gaseous mixtures.
GB1523734A (en) Process for decreasing the total sulphur content of claus off-gas
GB1332337A (en) Reducing total sulphur content of claus offgases
GB1484934A (en) Hydrogen peroxide production
AU8316375A (en) Reducing sulphur dioxide to sulphur
AU468057B2 (en) A process forthe selective removal of hydrogen sulphide from gases containing hydrogen sulphide and carbon dioxide
GB1409233A (en) Method for purifying hydrogen sulphide-containing gas
GB1189192A (en) Improvements in or relating to the Treatment of Gases Containing Sulphur Oxides
GB1336563A (en) Processes and apparatus for combusting wholly or partly sulphur-containing fuel
GB1407778A (en) Process for reducing the total sulphur content of claus off-gases
GB1436367A (en) Process for vapour phase ammoxidation
GB1333784A (en) Treatment of waste gases
CA1028828A (en) Process for the conversion of hydrogen sulfide in gas streams of low hydrogen sulfide concentration to sulfur
ES423343A1 (en) Process for the catalytic conversion of SO{HD 2 {B to SO{HD 3
GB1526390A (en) Method of purifying a hydrogenated gas containing acid gases
KR880000132A (en) Selective Catalytic Reduction Catalyst
GB1480228A (en) Process for the removal of sulphur compounds from claus off-gases
GB1404513A (en) Oxidation process
GB1182255A (en) Improvements in or relating to Hydrogen Sulphide Removal from Gases.
GB1447606A (en) Process for the preparation of thiophosgene

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]