[go: up one dir, main page]

CA1283256C - Methode de recuperation de la soude caustique des liqueurs epuisees de la fabrication des pates a papier - Google Patents

Methode de recuperation de la soude caustique des liqueurs epuisees de la fabrication des pates a papier

Info

Publication number
CA1283256C
CA1283256C CA000554752A CA554752A CA1283256C CA 1283256 C CA1283256 C CA 1283256C CA 000554752 A CA000554752 A CA 000554752A CA 554752 A CA554752 A CA 554752A CA 1283256 C CA1283256 C CA 1283256C
Authority
CA
Canada
Prior art keywords
liquor
sodium
spent
metallic
metallic oxide
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 - Lifetime
Application number
CA000554752A
Other languages
English (en)
Inventor
John L. Budney
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA000554752A priority Critical patent/CA1283256C/fr
Application granted granted Critical
Publication of CA1283256C publication Critical patent/CA1283256C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/12Combustion of pulp liquors
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0085Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • D21C11/0092Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor

Landscapes

  • Paper (AREA)
CA000554752A 1987-12-18 1987-12-18 Methode de recuperation de la soude caustique des liqueurs epuisees de la fabrication des pates a papier Expired - Lifetime CA1283256C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000554752A CA1283256C (fr) 1987-12-18 1987-12-18 Methode de recuperation de la soude caustique des liqueurs epuisees de la fabrication des pates a papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000554752A CA1283256C (fr) 1987-12-18 1987-12-18 Methode de recuperation de la soude caustique des liqueurs epuisees de la fabrication des pates a papier

Publications (1)

Publication Number Publication Date
CA1283256C true CA1283256C (fr) 1991-04-23

Family

ID=4137102

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000554752A Expired - Lifetime CA1283256C (fr) 1987-12-18 1987-12-18 Methode de recuperation de la soude caustique des liqueurs epuisees de la fabrication des pates a papier

Country Status (1)

Country Link
CA (1) CA1283256C (fr)

Similar Documents

Publication Publication Date Title
US4470876A (en) Kraft overload recovery process
US4668342A (en) Recausticizing kraft green liquor
FI111168B (fi) Menetelmä valkaista massaa käyttämättä klooripitoisia kemikaaleja
US3746612A (en) Removal of sodium chloride from white pulping liquor
CA2226127A1 (fr) Procede de separation des impuretes contenues dans des boues residuaires de chaux et procede de caustification, en deux etapes, de liqueur verte comportant des impuretes, telles que du silicium
US4331507A (en) Desilication in alkaline pulp processes
CA2943674C (fr) Procede de traitemetn d'une solution de lavage usee d'un processus de recuperation de lignine
US5922171A (en) Method and apparatus for removing sodium chloride from pulping chemicals using an amphoteric ion-exchange resin
US1689534A (en) Cyclic process for the manufacture of kraft pulp
US5705031A (en) Process for removing and washing dregs from green liquor in a kraft pulp mill
US3954552A (en) Removal of sodium chloride from pulp mill systems
CA1283256C (fr) Methode de recuperation de la soude caustique des liqueurs epuisees de la fabrication des pates a papier
CA1163777A (fr) Preparation de la liqueur blanche
FI78327B (fi) Behandling av i kausticeringskretsloppet vid kraftfoerfarandet foerekommande loesningar foer senare utnyttjing av kalsiumkarbonatet.
JP2002517622A (ja) 木材パルプ化処理のためのアルカリ液体の部分的自動苛性化
US4253911A (en) Process for maintaining a low sodium chloride content in recycled sodium chemicals of sodium-based pulp manufacturing processes
US4981556A (en) Process for the preparation of sulfide-free alkali liquor using copperoxide
US3635670A (en) Recovery of dilute caustic soda solutions from spent liquors containing hemicellulose
US3996097A (en) Kraft mill recovery system
US4131508A (en) Recovery system for oxygen bleaching of pulp
EP0663971A1 (fr) Procede de division de la teneur en sulfure de la liqueur verte dans la production de liqueurs blanches presentant des taux de sulfure eleve et faible respectivement
US5597445A (en) Method for recovering sodium from a spent cooking liquor
CA1053412A (fr) Procede et appareil de recuperation du soufre d'un defibrage au polysulfure
CA1061512A (fr) Elimination du chlorure de sodium dans les usines de pates a papier
CA1172808A (fr) Methode de recuperation du surplus des liqueurs servant a la fabrication du papier kraft

Legal Events

Date Code Title Description
MKLA Lapsed