JPS53111103A - Lignin removing method of fiber containing material under alkalline condition - Google Patents

Lignin removing method of fiber containing material under alkalline condition

Info

Publication number
JPS53111103A
JPS53111103A JP4878A JP4878A JPS53111103A JP S53111103 A JPS53111103 A JP S53111103A JP 4878 A JP4878 A JP 4878A JP 4878 A JP4878 A JP 4878A JP S53111103 A JPS53111103 A JP S53111103A
Authority
JP
Japan
Prior art keywords
alkalline
condition
containing material
material under
removing method
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.)
Pending
Application number
JP4878A
Other languages
Japanese (ja)
Inventor
Tei Guranberuku Beruchiru
Mooberuku Oore
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.)
Metso Fiber Karlstad AB
Original Assignee
Kamyr AB
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 Kamyr AB filed Critical Kamyr AB
Publication of JPS53111103A publication Critical patent/JPS53111103A/en
Priority to JP487879A priority Critical patent/JPS5597717A/en
Pending 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
    • D21C7/00—Digesters
    • D21C7/12—Devices for regulating or controlling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
JP4878A 1977-01-05 1978-01-05 Lignin removing method of fiber containing material under alkalline condition Pending JPS53111103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP487879A JPS5597717A (en) 1978-01-05 1979-01-22 Piezoelectric tuning fork

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7700090A SE408488B (en) 1977-01-05 1977-01-05 PROCEED TO DETERMINE THE CONCENTRATION OF PROCESS WATER IN THE ALKALIC DISTRIBUTION OF FIBER-CONTAINING MATERIAL

Publications (1)

Publication Number Publication Date
JPS53111103A true JPS53111103A (en) 1978-09-28

Family

ID=20330117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4878A Pending JPS53111103A (en) 1977-01-05 1978-01-05 Lignin removing method of fiber containing material under alkalline condition

Country Status (4)

Country Link
JP (1) JPS53111103A (en)
BR (1) BR7800051A (en)
FI (1) FI62358C (en)
SE (1) SE408488B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718979A (en) * 1983-10-18 1988-01-12 Oy Advanced Forest Automation Ab Method for rapid determination of the contents of lignin, monosaccharides and organic acids in the process solutions of sulfite pulping

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718979A (en) * 1983-10-18 1988-01-12 Oy Advanced Forest Automation Ab Method for rapid determination of the contents of lignin, monosaccharides and organic acids in the process solutions of sulfite pulping

Also Published As

Publication number Publication date
FI62358B (en) 1982-08-31
SE7700090L (en) 1978-07-06
SE408488B (en) 1979-06-11
FI780009A (en) 1978-07-06
BR7800051A (en) 1978-08-15
FI62358C (en) 1982-12-10

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