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FI20195532A1 - Förfarande och apparatur för att återvinna kemikalier från ett alkaliskt ligninmaterial - Google Patents

Förfarande och apparatur för att återvinna kemikalier från ett alkaliskt ligninmaterial Download PDF

Info

Publication number
FI20195532A1
FI20195532A1 FI20195532A FI20195532A FI20195532A1 FI 20195532 A1 FI20195532 A1 FI 20195532A1 FI 20195532 A FI20195532 A FI 20195532A FI 20195532 A FI20195532 A FI 20195532A FI 20195532 A1 FI20195532 A1 FI 20195532A1
Authority
FI
Finland
Prior art keywords
stage
lignin
crystallization
separation
acid
Prior art date
Application number
FI20195532A
Other languages
English (en)
Finnish (fi)
Inventor
Mauno Miettinen
Sami Turunen
Juha Tamper
Meri Ventola
Original Assignee
Upm Kymmene Corp
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 Upm Kymmene Corp filed Critical Upm Kymmene Corp
Priority to FI20195532A priority Critical patent/FI20195532A1/sv
Publication of FI20195532A1 publication Critical patent/FI20195532A1/sv

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00—Lignin; Lignin derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic materials
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Compounds Of Unknown Constitution (AREA)
FI20195532A 2016-11-17 2016-11-17 Förfarande och apparatur för att återvinna kemikalier från ett alkaliskt ligninmaterial FI20195532A1 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20195532A FI20195532A1 (sv) 2016-11-17 2016-11-17 Förfarande och apparatur för att återvinna kemikalier från ett alkaliskt ligninmaterial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20195532A FI20195532A1 (sv) 2016-11-17 2016-11-17 Förfarande och apparatur för att återvinna kemikalier från ett alkaliskt ligninmaterial

Publications (1)

Publication Number Publication Date
FI20195532A1 true FI20195532A1 (sv) 2019-06-19

Family

ID=67734952

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20195532A FI20195532A1 (sv) 2016-11-17 2016-11-17 Förfarande och apparatur för att återvinna kemikalier från ett alkaliskt ligninmaterial

Country Status (1)

Country Link
FI (1) FI20195532A1 (sv)

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Legal Events

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