CA2256923A1 - Procede kraft - Google Patents

Procede kraft Download PDF

Info

Publication number
CA2256923A1
CA2256923A1 CA002256923A CA2256923A CA2256923A1 CA 2256923 A1 CA2256923 A1 CA 2256923A1 CA 002256923 A CA002256923 A CA 002256923A CA 2256923 A CA2256923 A CA 2256923A CA 2256923 A1 CA2256923 A1 CA 2256923A1
Authority
CA
Canada
Prior art keywords
solution
ion exchange
sodium sulfate
produce
chloride
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.)
Abandoned
Application number
CA002256923A
Other languages
English (en)
Inventor
Craig J. Brown
Michael A. Sheedy
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.)
Eco Tec Inc
Original Assignee
Eco Tec Inc
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 Eco Tec Inc filed Critical Eco Tec Inc
Priority to CA002256923A priority Critical patent/CA2256923A1/fr
Publication of CA2256923A1 publication Critical patent/CA2256923A1/fr
Abandoned 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
    • D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/04—Processes using organic exchangers
    • B01J39/05—Processes using organic exchangers in the strongly acidic form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
    • B01J41/04—Processes using organic exchangers
    • B01J41/05—Processes using organic exchangers in the strongly basic form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/018—Granulation; Incorporation of ion-exchangers in a matrix; Mixing with inert materials
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
CA002256923A 1998-12-23 1998-12-23 Procede kraft Abandoned CA2256923A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002256923A CA2256923A1 (fr) 1998-12-23 1998-12-23 Procede kraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002256923A CA2256923A1 (fr) 1998-12-23 1998-12-23 Procede kraft

Publications (1)

Publication Number Publication Date
CA2256923A1 true CA2256923A1 (fr) 2000-06-23

Family

ID=29425886

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002256923A Abandoned CA2256923A1 (fr) 1998-12-23 1998-12-23 Procede kraft

Country Status (1)

Country Link
CA (1) CA2256923A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109024033A (zh) * 2018-08-02 2018-12-18 青岛科技大学 一种以高浓盐水作为蒸煮介质的制浆方法
WO2021110933A1 (fr) 2019-12-06 2021-06-10 Basf Se Procédé de préparation d'oligomères de lignine
WO2022122575A1 (fr) 2020-12-07 2022-06-16 Basf Se Solution de lactame aqueuse de lignine
WO2022136614A1 (fr) 2020-12-23 2022-06-30 Basf Se Composition de liant comprenant une ou des polyamines et de l'hydroxyacétone pour articles composites
WO2022136613A1 (fr) 2020-12-23 2022-06-30 Basf Se Composition de liant comprenant une ou plusieurs polyamines ainsi que de la 1,3-dihydroxyacétone, du glycolaldéhyde et/ou du glycéraldéhyde pour des articles composites

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109024033A (zh) * 2018-08-02 2018-12-18 青岛科技大学 一种以高浓盐水作为蒸煮介质的制浆方法
WO2021110933A1 (fr) 2019-12-06 2021-06-10 Basf Se Procédé de préparation d'oligomères de lignine
WO2022122575A1 (fr) 2020-12-07 2022-06-16 Basf Se Solution de lactame aqueuse de lignine
WO2022136614A1 (fr) 2020-12-23 2022-06-30 Basf Se Composition de liant comprenant une ou des polyamines et de l'hydroxyacétone pour articles composites
WO2022136613A1 (fr) 2020-12-23 2022-06-30 Basf Se Composition de liant comprenant une ou plusieurs polyamines ainsi que de la 1,3-dihydroxyacétone, du glycolaldéhyde et/ou du glycéraldéhyde pour des articles composites

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Legal Events

Date Code Title Description
FZDE Dead