SU578015A3 - Способ отбелки целлюлозусодержащего полуфабриката - Google Patents

Способ отбелки целлюлозусодержащего полуфабриката

Info

Publication number
SU578015A3
SU578015A3 SU7301925441A SU1925441A SU578015A3 SU 578015 A3 SU578015 A3 SU 578015A3 SU 7301925441 A SU7301925441 A SU 7301925441A SU 1925441 A SU1925441 A SU 1925441A SU 578015 A3 SU578015 A3 SU 578015A3
Authority
SU
USSR - Soviet Union
Prior art keywords
pulp
nitrogen
active
cellulose
temperature
Prior art date
Application number
SU7301925441A
Other languages
English (en)
Russian (ru)
Inventor
Либерготт Норман
В.Клейтон Дэвид
Джоахимидес Томас
Мерка Джозеф
Original Assignee
Палп Энд Пайпер Рисерч Институт Оф Канада (Фирма)
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 Палп Энд Пайпер Рисерч Институт Оф Канада (Фирма) filed Critical Палп Энд Пайпер Рисерч Институт Оф Канада (Фирма)
Application granted granted Critical
Publication of SU578015A3 publication Critical patent/SU578015A3/ru

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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SU7301925441A 1972-05-29 1973-05-28 Способ отбелки целлюлозусодержащего полуфабриката SU578015A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA143,298A CA973660A (en) 1972-05-29 1972-05-29 Treatment of cellulosic matter with active nitrogen

Publications (1)

Publication Number Publication Date
SU578015A3 true SU578015A3 (ru) 1977-10-25

Family

ID=4093395

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7301925441A SU578015A3 (ru) 1972-05-29 1973-05-28 Способ отбелки целлюлозусодержащего полуфабриката

Country Status (11)

Country Link
US (1) US3806404A (enrdf_load_stackoverflow)
JP (1) JPS5034642B2 (enrdf_load_stackoverflow)
AR (1) AR200489A1 (enrdf_load_stackoverflow)
AU (1) AU469963B2 (enrdf_load_stackoverflow)
BR (1) BR7303947D0 (enrdf_load_stackoverflow)
CA (1) CA973660A (enrdf_load_stackoverflow)
DE (1) DE2327407C3 (enrdf_load_stackoverflow)
FR (1) FR2186572B1 (enrdf_load_stackoverflow)
IT (1) IT1000024B (enrdf_load_stackoverflow)
SE (1) SE396970B (enrdf_load_stackoverflow)
SU (1) SU578015A3 (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2255418B1 (enrdf_load_stackoverflow) * 1973-12-21 1976-05-07 Europeen Cellulose
JPS52120260U (enrdf_load_stackoverflow) * 1976-03-11 1977-09-12
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4216054A (en) 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4427490A (en) 1978-04-07 1984-01-24 International Paper Company Delignification and bleaching process for lignocellulosic pulp with peroxide in the presence of metal additives
US4410397A (en) * 1978-04-07 1983-10-18 International Paper Company Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
US4294654A (en) * 1980-03-21 1981-10-13 International Paper Company Delignification and bleaching of lignocellulosic pulp via photo-oxygenation
EP0112377B1 (en) * 1982-06-24 1986-11-12 Scott Paper Company Ozone bleaching of cellulosic materials
GR81673B (enrdf_load_stackoverflow) * 1983-05-06 1984-12-12 Personal Products Co
US4597930A (en) * 1983-07-11 1986-07-01 Szal John R Method of manufacture of a felted fibrous product from a nonaqueous medium
JPS634434U (enrdf_load_stackoverflow) * 1986-06-26 1988-01-12
JPS6440723A (en) * 1987-08-07 1989-02-13 Nippon Seiko Kk Clutch release bearing device
JPH0180829U (enrdf_load_stackoverflow) * 1987-11-18 1989-05-30
US5139613A (en) * 1988-01-21 1992-08-18 Canadian Liquid Air Limited Process for preparing a paper pulp using carbon dioxide as an acidifying agent for a bleached pulp
US5770010A (en) * 1995-04-20 1998-06-23 R-J Holding Company Pulping process employing nascent oxygen
FI110533B (fi) * 2000-05-04 2003-02-14 Aga Ab Menetelmä mikrobikasvun torjumiseksi
DE102005049231A1 (de) * 2005-06-16 2006-12-28 Siemens Ag Verfahren zur Behandlung eines Prozessgutes bei der Herstellung von Papier, Karton oder Pappe
DE102005049230A1 (de) * 2005-06-16 2006-12-28 Siemens Ag Verfahren zur Behandlung unverwobener Faserstoffe und Vorrichtung zum Bleichen
DE102005049274A1 (de) * 2005-06-16 2006-12-28 Siemens Ag Verfahren zur Behandlung eines Prozessgutes mit großflächigem Plasma
DE102006024404A1 (de) * 2006-05-24 2007-11-29 Siemens Ag Verfahren zur Verbesserung der Qualität einer Faser-Suspension
US20090090478A1 (en) * 2007-10-05 2009-04-09 Hollomon Martha G Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen

Also Published As

Publication number Publication date
IT1000024B (it) 1976-03-30
DE2327407A1 (de) 1973-12-13
SE396970B (sv) 1977-10-10
CA973660A (en) 1975-09-02
DE2327407C3 (de) 1978-06-08
JPS4966902A (enrdf_load_stackoverflow) 1974-06-28
FR2186572A1 (enrdf_load_stackoverflow) 1974-01-11
DE2327407B2 (de) 1977-10-13
AU5621473A (en) 1974-11-28
BR7303947D0 (pt) 1974-07-18
AR200489A1 (es) 1974-11-15
JPS5034642B2 (enrdf_load_stackoverflow) 1975-11-10
AU469963B2 (en) 1976-02-26
FR2186572B1 (enrdf_load_stackoverflow) 1976-09-17
US3806404A (en) 1974-04-23

Similar Documents

Publication Publication Date Title
SU578015A3 (ru) Способ отбелки целлюлозусодержащего полуфабриката
RU2025547C1 (ru) Способ отбелки целлюлозы
US4283251A (en) Ozone effluent bleaching
CA1235257B (en) Method at bleaching ligno-cellulose containing material
US2717874A (en) Procedure and apparatus for the sterilization of water
KR920703922A (ko) 환경오염 개선된 리그노셀룰로오스 물질 표백방법
SE9101300L (sv) Blekning av kemisk massa genom behandling med komplexbildare och ozon
CZ132995A3 (en) Process of removing lignin from lignocellulose-containing cellulose
RU2120511C1 (ru) Способ бесхлорного отбеливания химической целлюлозы
US2379335A (en) Treatment of cereals
EP0383999A2 (en) Procedure for the bleaching of pulp
JPH0723593B2 (ja) セルロ−ス含有製品を漂白およびリグニン除去する方法
JPH01295801A (ja) コルク物品の漂白並びに滅菌法およびこの方法を用いて漂白されたコルク物品
FI76135B (fi) Foerfarande foer blekning av pappersmassor med vaeteperoxid.
US354477A (en) And frank a
US3177111A (en) Hypochlorite sulfamic acid process of bleaching cellulosic materials
US1580136A (en) Process for bleaching organic materials
US1267204A (en) Method of deodorizing grain.
US1760042A (en) Process for bleaching textile fibers by means of ozone
SE460423B (sv) Blekning och delignifiering av cellulosamassa med en alkali-syre-hypokloritextraktion
US2539470A (en) Treatment of tomatoes
US4049490A (en) Electrodialysis of bleaching effluent
US3481828A (en) Bleaching of wood pulp with thiourea dioxide and zinc sulfate
NO138491B (no) Fremgangsmaate ved delignifisering og bleking av cellulosemasse
JPS58137492A (ja) 水の色度除去方法