CH545648A - - Google Patents

Info

Publication number
CH545648A
CH545648A CH1576270A CH545648DA CH545648A CH 545648 A CH545648 A CH 545648A CH 1576270 A CH1576270 A CH 1576270A CH 545648D A CH545648D A CH 545648DA CH 545648 A CH545648 A CH 545648A
Authority
CH
Switzerland
Application number
CH1576270A
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 filed Critical
Publication of CH545648A publication Critical patent/CH545648A/xx

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
    • 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
    • B01D53/1456—Removing acid components
    • B01D53/1481—Removing sulfur dioxide or sulfur trioxide
    • 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
    • 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
    • B01D53/50—Sulfur oxides
    • B01D53/507—Sulfur oxides by treating the gases with other liquids
    • 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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/60—Isolation of sulfur dioxide from gases
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
CH1576270A 1969-10-30 1970-10-26 CH545648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87277569A 1969-10-30 1969-10-30

Publications (1)

Publication Number Publication Date
CH545648A true CH545648A (en) 1974-02-15

Family

ID=25360268

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1576270A CH545648A (en) 1969-10-30 1970-10-26

Country Status (14)

Country Link
AT (1) AT327866B (en)
BE (1) BE757293A (en)
CA (1) CA942930A (en)
CH (1) CH545648A (en)
CS (1) CS158283B2 (en)
DE (1) DE2053104A1 (en)
ES (1) ES383806A1 (en)
FR (1) FR2066577A5 (en)
GB (1) GB1326222A (en)
IL (1) IL35229A (en)
NL (1) NL7015856A (en)
RO (1) RO58411A (en)
SE (1) SE370634B (en)
ZA (1) ZA707362B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1020269A5 (en) * 2012-01-17 2013-07-02 Taminco USE OF REPLACEMENT SOLVENTS FOR N-METHYLPYRROLIDONE (NMP).
JP2023515360A (en) * 2020-02-14 2023-04-13 アンガス ケミカル カンパニー Low toxicity NMP substitute and method for its preparation

Also Published As

Publication number Publication date
NL7015856A (en) 1971-05-04
AT327866B (en) 1976-02-25
DE2053104A1 (en) 1971-05-06
FR2066577A5 (en) 1971-08-06
IL35229A0 (en) 1970-11-30
GB1326222A (en) 1973-08-08
CS158283B2 (en) 1974-10-15
ZA707362B (en) 1971-09-29
SE370634B (en) 1974-10-28
RO58411A (en) 1975-09-15
ATA972170A (en) 1975-05-15
CA942930A (en) 1974-03-05
BE757293A (en) 1971-03-16
ES383806A1 (en) 1973-03-01
IL35229A (en) 1973-03-30

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Legal Events

Date Code Title Description
PL Patent ceased