GB1298861A - The purification of tail gases from sulphur production - Google Patents

The purification of tail gases from sulphur production

Info

Publication number
GB1298861A
GB1298861A GB168670A GB168670A GB1298861A GB 1298861 A GB1298861 A GB 1298861A GB 168670 A GB168670 A GB 168670A GB 168670 A GB168670 A GB 168670A GB 1298861 A GB1298861 A GB 1298861A
Authority
GB
United Kingdom
Prior art keywords
sulphur
tail gases
solute
recovered
absorbent
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
GB168670A
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.)
Amec Foster Wheeler Holdings Ltd
Original Assignee
Amec Foster Wheeler Holdings Ltd
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 Amec Foster Wheeler Holdings Ltd filed Critical Amec Foster Wheeler Holdings Ltd
Publication of GB1298861A publication Critical patent/GB1298861A/en
Expired legal-status Critical Current

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
    • C01B17/05—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by wet processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

1298861 Purification of tail gases FOSTER WHEELER Ltd 13 Jan 1970 [16 Jan 1969] 1686/70 Heading C1A Tail gases containing H 2 S and SO 2 are contacted with an aqueous solution of an absorbent wherein they react in the presence of the water as catalyst to form sulphur which can be recovered, the temperature of the tail gases being reduced to essentially the dew point during the contact with the absorbent. The aqueous absorbent is an aqueous solution, of a solute of low vapour pressure, the addition of which increases the solubility of H 2 S. Solutes specified are K 3 PO 4 , K 2 CO 3 , Na 3 PO 4 , Na 2 CO 3 , NaAsO 3 , NaAsO 5 , amines, and organic salts such as phenates. The reaction between H 2 S and SO 2 may take place directly, or each may form a salt with the solute and the two salts react to form sulphur and regenerate solute. In the reaction sulphur is formed as a slurry and may be recovered from the said slurry by filtration, settling separation, or by heating to 250-275‹ C. to melt the sulphur depending on the state in which the recovered sulphur is required.
GB168670A 1969-01-16 1970-01-13 The purification of tail gases from sulphur production Expired GB1298861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79168469A 1969-01-16 1969-01-16

Publications (1)

Publication Number Publication Date
GB1298861A true GB1298861A (en) 1972-12-06

Family

ID=25154477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB168670A Expired GB1298861A (en) 1969-01-16 1970-01-13 The purification of tail gases from sulphur production

Country Status (3)

Country Link
DE (1) DE2001284A1 (en)
GB (1) GB1298861A (en)
NL (1) NL7000456A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122351A (en) * 1990-12-20 1992-06-16 Ari Technologies Inc. Method and apparatus for removing H2 S from a process gas and recovering sulfur
US5126118A (en) * 1991-04-08 1992-06-30 Ari Technologies, Inc. Process and apparatus for removal of H2 S with separate absorber and oxidizer and a reaction chamber therebetween
US5139753A (en) * 1991-04-08 1992-08-18 Ari Technologies, Inc. Continuous process for mass transfer of a liquid reagent with two different gases
US5160714A (en) * 1991-04-08 1992-11-03 Ari Technologies, Inc. Continuous autocirculation, multiple zone mass transfer apparatus and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122351A (en) * 1990-12-20 1992-06-16 Ari Technologies Inc. Method and apparatus for removing H2 S from a process gas and recovering sulfur
US5126118A (en) * 1991-04-08 1992-06-30 Ari Technologies, Inc. Process and apparatus for removal of H2 S with separate absorber and oxidizer and a reaction chamber therebetween
US5139753A (en) * 1991-04-08 1992-08-18 Ari Technologies, Inc. Continuous process for mass transfer of a liquid reagent with two different gases
US5160714A (en) * 1991-04-08 1992-11-03 Ari Technologies, Inc. Continuous autocirculation, multiple zone mass transfer apparatus and method

Also Published As

Publication number Publication date
NL7000456A (en) 1970-07-20
DE2001284A1 (en) 1970-11-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee