IT1209859B - Procedimento per la produzione di polpa cellulosica - Google Patents

Procedimento per la produzione di polpa cellulosica

Info

Publication number
IT1209859B
IT1209859B IT8148224A IT4822481A IT1209859B IT 1209859 B IT1209859 B IT 1209859B IT 8148224 A IT8148224 A IT 8148224A IT 4822481 A IT4822481 A IT 4822481A IT 1209859 B IT1209859 B IT 1209859B
Authority
IT
Italy
Prior art keywords
procedure
production
cellulosic pulp
cellulosic
pulp
Prior art date
Application number
IT8148224A
Other languages
English (en)
Italian (it)
Other versions
IT8148224A0 (it
Inventor
Goran Erik Annergren
Per-Erik Andersson
Tjell Ake Hagglund
Hans Erik Hoglund
Original Assignee
Sca Development 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 Sca Development Ab filed Critical Sca Development Ab
Publication of IT8148224A0 publication Critical patent/IT8148224A0/it
Application granted granted Critical
Publication of IT1209859B publication Critical patent/IT1209859B/it

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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT8148224A 1980-04-10 1981-04-07 Procedimento per la produzione di polpa cellulosica IT1209859B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8002728A SE445051B (sv) 1980-04-10 1980-04-10 Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa

Publications (2)

Publication Number Publication Date
IT8148224A0 IT8148224A0 (it) 1981-04-07
IT1209859B true IT1209859B (it) 1989-08-30

Family

ID=20340719

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8148224A IT1209859B (it) 1980-04-10 1981-04-07 Procedimento per la produzione di polpa cellulosica

Country Status (10)

Country Link
JP (1) JPS56159384A (nl)
AU (2) AU6901281A (nl)
CA (1) CA1174013A (nl)
DE (1) DE3114427A1 (nl)
FI (1) FI73016C (nl)
FR (1) FR2480321A1 (nl)
IT (1) IT1209859B (nl)
NL (1) NL187865C (nl)
NO (1) NO159107C (nl)
SE (1) SE445051B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567930B1 (fr) * 1984-07-17 1986-08-29 Centre Tech Ind Papier Procede et installation pour le recyclage de vieux papiers imprimes
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
CA1294396C (en) * 1986-05-30 1992-01-21 Richard Berry Process for decreasing the charge of chemical required in a bleaching extraction stage
FI115978B (fi) * 2000-11-16 2005-08-31 Ciba Sc Holding Ag Menetelmä ei-kuitupitoisten ainesten ottamiseksi talteen puumateriaalista
CN105019286B (zh) * 2015-07-29 2017-01-25 华南理工大学 棉短绒高浓过氧化氢漂白制备精制棉的装置及方法
CN105064110B (zh) * 2015-07-29 2017-04-12 华南理工大学 一种棉短绒制浆装置及其制浆方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420329C (sv) * 1978-02-16 1984-07-10 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
CA1151363A (en) * 1979-04-17 1983-08-09 Henri Lemoyne Process for the delignification of unbleached chemical pulp
SE443383C (sv) * 1981-01-14 1987-07-14 Mo Och Domsjoe Ab Forfarande for tvettning av cellulosamassa
FR2522030A1 (fr) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries Procede de blanchiment selectif de pate a papier et papier obtenu par mise en oeuvre de ce procede

Also Published As

Publication number Publication date
DE3114427C2 (nl) 1987-12-17
IT8148224A0 (it) 1981-04-07
NO159107C (no) 1988-11-30
NL8101748A (nl) 1981-11-02
NL187865C (nl) 1992-02-03
AU6901281A (en) 1981-10-29
CA1174013A (en) 1984-09-11
SE445051B (sv) 1986-05-26
NO811225L (no) 1981-10-12
SE8002728L (sv) 1981-10-11
FI73016B (fi) 1987-04-30
FR2480321A1 (fr) 1981-10-16
FI73016C (fi) 1987-08-10
FI811096L (fi) 1981-10-11
AU2316984A (en) 1984-05-10
FR2480321B1 (nl) 1984-09-14
JPS56159384A (en) 1981-12-08
NL187865B (nl) 1991-09-02
DE3114427A1 (de) 1982-01-14
AU568112B2 (en) 1987-12-17
NO159107B (no) 1988-08-22
JPH0219236B2 (nl) 1990-05-01

Similar Documents

Publication Publication Date Title
IT1152146B (it) Procedimento per la produzione di nerofumo
IT1142201B (it) Procedimento per la produzione enzimatica di l-carnitina
IT1144744B (it) Procedimento per la produzione di solfobetaine
IT1154271B (it) Procedimento per la produzione di disolfuri di tiurama sostituiti
IT1209875B (it) Procedimento per la produzione di 2-metilenaldeidi
IT1139965B (it) Procedimento per la produzione di poliisobuteni
IT1172140B (it) Procentimento per la produzione di fosfato monoammonico
IT1209859B (it) Procedimento per la produzione di polpa cellulosica
FI840481A0 (fi) Foerfarande och anordning foer tagande av producentvist mjoelkprov
IT1180206B (it) Procedimento per la produzione di s-adenosil-l-omocisteina idrolasi
IT1172243B (it) Procentimento per la produzione di l prolina per fermentazione
IT1136654B (it) Proceidmento per la produzione di mercapto-2-etanolo-1
IT8168571A0 (it) Sfibratore per la produzione di pastalegno
IT8467751A0 (it) Isoleucina procedimento per la produzione di l
IT1180208B (it) Procedimento per la produzione di beta-fenilserina
IT1170744B (it) Procedimento per la produzione di o-trimetil-sililcellulose
JPS57112485A (en) Production of pulp
JPS56128388A (en) Production of cellulose pulp
FI820493L (fi) Foerfarande och anordning foer aptering och uppkapning av stammar
IT1164613B (it) Procedimento per la produzione di ditiazol-disolfuri
IT1134613B (it) Macchina perfezionata per la produzione di trefoli
IT1141061B (it) Procedimento per la produzione di uricasi
IT1170745B (it) Procedimento per la produzione di o-trimetilsilicellulose
MX152356A (es) Procedimiento mejorado para la produccion de pulpa celulosica
TR21803A (tr) Atese dayanikh krommagnezi ueruenlerinin ueretilmesine mahsus usul