DE2737998A1 - Verfahren zur behandlung von waesserigen glyoxylsaeureloesungen - Google Patents

Verfahren zur behandlung von waesserigen glyoxylsaeureloesungen

Info

Publication number
DE2737998A1
DE2737998A1 DE19772737998 DE2737998A DE2737998A1 DE 2737998 A1 DE2737998 A1 DE 2737998A1 DE 19772737998 DE19772737998 DE 19772737998 DE 2737998 A DE2737998 A DE 2737998A DE 2737998 A1 DE2737998 A1 DE 2737998A1
Authority
DE
Germany
Prior art keywords
glyoxylic acid
aqueous
barium
solution
sulfur dioxide
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.)
Pending
Application number
DE19772737998
Other languages
German (de)
English (en)
Inventor
Cheng-Hsien Chu
William H Stark
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.)
Spring Chemicals Ltd
Original Assignee
Spring Chemicals 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
Priority claimed from US05/717,082 external-priority patent/US4115517A/en
Application filed by Spring Chemicals Ltd filed Critical Spring Chemicals Ltd
Publication of DE2737998A1 publication Critical patent/DE2737998A1/de
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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
    • B01D53/1456Removing acid components
    • B01D53/1481Removing sulfur dioxide or sulfur trioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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
    • B01D53/1425Regeneration of liquid absorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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
    • B01D53/1493Selection of liquid materials for use as absorbents
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Removal Of Specific Substances (AREA)
DE19772737998 1976-08-24 1977-08-23 Verfahren zur behandlung von waesserigen glyoxylsaeureloesungen Pending DE2737998A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/717,082 US4115517A (en) 1976-08-24 1976-08-24 Treatment of sulfur oxides with aqueous glyoxylic acid solutions
US05/819,136 US4176164A (en) 1976-08-24 1977-07-26 Treatment of sulfur oxides with aqueous glyoxylic acid solutions

Publications (1)

Publication Number Publication Date
DE2737998A1 true DE2737998A1 (de) 1978-03-09

Family

ID=27109653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772737998 Pending DE2737998A1 (de) 1976-08-24 1977-08-23 Verfahren zur behandlung von waesserigen glyoxylsaeureloesungen

Country Status (9)

Country Link
US (1) US4176164A (enExample)
JP (1) JPS5333992A (enExample)
DE (1) DE2737998A1 (enExample)
FR (1) FR2362657A1 (enExample)
IL (1) IL52738A0 (enExample)
IT (1) IT1107743B (enExample)
LU (1) LU78002A1 (enExample)
NL (1) NL7709075A (enExample)
SE (1) SE7709371L (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254287A (en) * 1979-07-05 1981-03-03 Conoco, Inc. Removal of catalyst from ethoxylates by centrifugation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB443314A (en) * 1934-07-20 1936-02-26 Metallgesellschaft Ag Process for the recovery of sulphur dioxide from gases containing same
GB538602A (en) * 1939-10-16 1941-08-11 Saint Gobain Improvements in processes for extracting and concentrating sulphur dioxide
NL295926A (enExample) * 1963-01-18
US4040803A (en) * 1975-02-11 1977-08-09 Mitsubishi Jukogyo Kabushiki Kaisha Wet waste flue gas desulfurizing process using lime as absorbent

Also Published As

Publication number Publication date
FR2362657A1 (fr) 1978-03-24
IT1107743B (it) 1985-11-25
NL7709075A (nl) 1978-02-28
LU78002A1 (enExample) 1978-01-11
IL52738A0 (en) 1977-10-31
JPS5333992A (en) 1978-03-30
US4176164A (en) 1979-11-27
SE7709371L (sv) 1978-02-25

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee