CA856681A - Process for obtaining sulfur values as so2 from lignosulfonic acid - Google Patents

Process for obtaining sulfur values as so2 from lignosulfonic acid

Info

Publication number
CA856681A
CA856681A CA856681A CA856681DA CA856681A CA 856681 A CA856681 A CA 856681A CA 856681 A CA856681 A CA 856681A CA 856681D A CA856681D A CA 856681DA CA 856681 A CA856681 A CA 856681A
Authority
CA
Canada
Prior art keywords
lignosulfonic acid
sulfur values
obtaining sulfur
obtaining
values
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
CA856681A
Inventor
S. Das Bejoy
J. Wilson William
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.)
Fraser Companies Ltd
Original Assignee
Fraser Companies 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 Fraser Companies Ltd filed Critical Fraser Companies Ltd
Application granted granted Critical
Publication of CA856681A publication Critical patent/CA856681A/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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Paper (AREA)
CA856681A 1966-10-29 1966-10-29 Process for obtaining sulfur values as so2 from lignosulfonic acid Expired CA856681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA974385 1966-10-29

Publications (1)

Publication Number Publication Date
CA856681A true CA856681A (en) 1970-11-24

Family

ID=4142701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA856681A Expired CA856681A (en) 1966-10-29 1966-10-29 Process for obtaining sulfur values as so2 from lignosulfonic acid

Country Status (4)

Country Link
CA (1) CA856681A (en)
DE (1) DE1692853C3 (en)
FR (1) FR1542051A (en)
SE (1) SE331416B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO140861C (en) 1974-02-21 1979-11-28 Rauma Repola Oy POLYMER PREPARED FROM LIGNIN AND PROCEDURES FOR THE PREPARATION OF THIS

Also Published As

Publication number Publication date
DE1692853A1 (en) 1970-05-27
DE1692853B2 (en) 1973-08-02
FR1542051A (en) 1968-10-11
SE331416B (en) 1970-12-21
DE1692853C3 (en) 1974-03-07

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