FR2021452A1 - Regeneration of cellulose products - Google Patents

Regeneration of cellulose products

Info

Publication number
FR2021452A1
FR2021452A1 FR6936116A FR6936116A FR2021452A1 FR 2021452 A1 FR2021452 A1 FR 2021452A1 FR 6936116 A FR6936116 A FR 6936116A FR 6936116 A FR6936116 A FR 6936116A FR 2021452 A1 FR2021452 A1 FR 2021452A1
Authority
FR
France
Prior art keywords
magnesium
contacting
gases
bisulphite
degrees
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Withdrawn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
FR6936116A
Other languages
English (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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of FR2021452A1 publication Critical patent/FR2021452A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor

Landscapes

  • Treating Waste Gases (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR6936116A 1968-10-24 1969-10-16 Regeneration of cellulose products Withdrawn FR2021452A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77020068A 1968-10-24 1968-10-24

Publications (1)

Publication Number Publication Date
FR2021452A1 true FR2021452A1 (en) 1970-07-24

Family

ID=25087781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6936116A Withdrawn FR2021452A1 (en) 1968-10-24 1969-10-16 Regeneration of cellulose products

Country Status (3)

Country Link
FI (1) FI53604C (fr)
FR (1) FR2021452A1 (fr)
SE (1) SE351452B (fr)

Also Published As

Publication number Publication date
FI53604C (fi) 1978-06-12
DE1953426A1 (de) 1970-05-14
FI53604B (fr) 1978-02-28
DE1953426B2 (de) 1975-08-14
SE351452B (fr) 1972-11-27

Similar Documents

Publication Publication Date Title
GB1308746A (en) Process for removal and recovery of mercury from gases
ES381934A1 (es) Procedimiento para separar dioxido de azufre de un gas que lo contiene.
GB1420263A (en) Process for the selective removal of sulphur impurities from effluent gases
GB1469693A (en) Selective removal of hydrogen sulphide from gaseous mixtures
ES448536A1 (es) Procedimiento para el tratamiento de lodos de salmuera.
GB1394812A (en) Method for desulphurizing exhaust gas by alkali metal sulphite-gypsum process
FR2021452A1 (en) Regeneration of cellulose products
GB1336899A (en) Pollution controlled polysulphide recovery process
US2496550A (en) Methods of recovering chemicals in
DE3760937D1 (en) Process for the purification of s02-containing flue gases
GB1485067A (en) Effluent treatment process
GB1431602A (en) Method for removing sulphur dioxide from a combustion exhaust gas
GB1431601A (en) Method for removing sulphur dioxide from a combustion exhaust gas
US2872289A (en) Process in recovering sulphur from waste sulphite lye
ES400063A1 (es) Procedimiento para extraer dioxido de azufre de un gas que lo contiene.
GB1143847A (fr)
FR2614613B1 (fr) Procede de recuperation du vanadium
US2887451A (en) Separation process using fly ash
ES431091A1 (es) Procedimiento para el secado de gases conteniendo so2.
SU688427A1 (ru) Способ регенерации отработанной серной кислоты
GB1353248A (en) Removal of acidic gases
GB418255A (en) Improvements in or relating to the production of pure carbon dioxide and pure sulphur dioxide
SU990271A1 (ru) Способ очистки газов от двуокиси серы
BE760879Q (fr) Production de produits soufres a partir de gaz de rebut
GB1422725A (en) Process for the purification of water

Legal Events

Date Code Title Description
ST Notification of lapse