GB8429931D0 - Removal of hydrogen cyanide - Google Patents

Removal of hydrogen cyanide

Info

Publication number
GB8429931D0
GB8429931D0 GB848429931A GB8429931A GB8429931D0 GB 8429931 D0 GB8429931 D0 GB 8429931D0 GB 848429931 A GB848429931 A GB 848429931A GB 8429931 A GB8429931 A GB 8429931A GB 8429931 D0 GB8429931 D0 GB 8429931D0
Authority
GB
United Kingdom
Prior art keywords
removal
hydrogen cyanide
cyanide
hydrogen
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.)
Withdrawn
Application number
GB848429931A
Other versions
GB2150550A (en
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
Priority claimed from US06/556,256 external-priority patent/US4505881A/en
Priority claimed from US06/556,257 external-priority patent/US4508693A/en
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of GB8429931D0 publication Critical patent/GB8429931D0/en
Publication of GB2150550A publication Critical patent/GB2150550A/en
Withdrawn legal-status Critical Current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
    • B01D53/14—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 by absorption
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1418—Recovery of products
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • 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
    • C01B17/06—Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores
    • 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
    • C01B17/165—Preparation from sulfides, oxysulfides or polysulfides
GB08429931A 1983-11-29 1984-11-27 Process for the removal of hydrogen cyanide Withdrawn GB2150550A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/556,256 US4505881A (en) 1983-11-29 1983-11-29 Ammonium polysulfide removal of HCN from gaseous streams, with subsequent production of NH3, H2 S, and CO2
US06/556,257 US4508693A (en) 1983-11-29 1983-11-29 Solution removal of HCN from gaseous streams, with pH adjustment of reacted solution and hydrolysis of thiocyanate formed

Publications (2)

Publication Number Publication Date
GB8429931D0 true GB8429931D0 (en) 1985-01-03
GB2150550A GB2150550A (en) 1985-07-03

Family

ID=27071104

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08429931A Withdrawn GB2150550A (en) 1983-11-29 1984-11-27 Process for the removal of hydrogen cyanide

Country Status (2)

Country Link
CA (1) CA1236682A (en)
GB (1) GB2150550A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008235A (en) * 1989-12-21 1991-04-16 Union Carbide Chemicals And Plastics Technology Corporation Catalysts of Cu-Al-third metal for hydrogenation
US5053380A (en) * 1989-12-21 1991-10-01 Union Carbide Chemicals And Plastics Technology Corporation Cu-al catalyst for hydrogenation
US5142067A (en) * 1989-12-21 1992-08-25 Union Carbide Chemicals & Plastics Technology Corporation Hydrogenation with Cu-Al-X catalysts

Also Published As

Publication number Publication date
GB2150550A (en) 1985-07-03
CA1236682A (en) 1988-05-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)