BR9704791A - Processos para aperfeiçoar tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos para estabilizar tratamentos com peróxido em fluxos aquosos de produção de papel contendo polpa kraft peróxido manganês e ferro e tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos e polímeros solúvel em água - Google Patents

Processos para aperfeiçoar tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos para estabilizar tratamentos com peróxido em fluxos aquosos de produção de papel contendo polpa kraft peróxido manganês e ferro e tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos e polímeros solúvel em água

Info

Publication number
BR9704791A
BR9704791A BR9704791A BR9704791A BR9704791A BR 9704791 A BR9704791 A BR 9704791A BR 9704791 A BR9704791 A BR 9704791A BR 9704791 A BR9704791 A BR 9704791A BR 9704791 A BR9704791 A BR 9704791A
Authority
BR
Brazil
Prior art keywords
treatments
cellulosic materials
oxygen
aqueous systems
peroxide
Prior art date
Application number
BR9704791A
Other languages
English (en)
Inventor
Maureen B Nunn
Manian Ramesh
Robert L Wetegrove
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of BR9704791A publication Critical patent/BR9704791A/pt

Links

Classifications

    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Paper (AREA)
BR9704791A 1996-09-23 1997-09-23 Processos para aperfeiçoar tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos para estabilizar tratamentos com peróxido em fluxos aquosos de produção de papel contendo polpa kraft peróxido manganês e ferro e tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos e polímeros solúvel em água BR9704791A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71950796A 1996-09-23 1996-09-23

Publications (1)

Publication Number Publication Date
BR9704791A true BR9704791A (pt) 1999-01-19

Family

ID=24890341

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9704791A BR9704791A (pt) 1996-09-23 1997-09-23 Processos para aperfeiçoar tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos para estabilizar tratamentos com peróxido em fluxos aquosos de produção de papel contendo polpa kraft peróxido manganês e ferro e tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos e polímeros solúvel em água

Country Status (5)

Country Link
EP (1) EP0831169A2 (pt)
AU (1) AU3918397A (pt)
BR (1) BR9704791A (pt)
CA (1) CA2216084A1 (pt)
ID (1) ID18322A (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702921B2 (en) * 2001-05-01 2004-03-09 Ondeo Nalco Company Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
WO2006023486A1 (en) 2004-08-19 2006-03-02 Tyco Healthcare Group, Lp Water-swellable copolymers and articles and coating made therefrom
KR20210037665A (ko) * 2018-08-02 2021-04-06 에보닉 코포레이션 중합체-안정화된 과산화수소 수용액 및 관련 방법
AU2019314454A1 (en) * 2018-08-02 2021-03-18 Evonik Corporation Process for preparing a stabilized aqueous hydrogen peroxide solution

Also Published As

Publication number Publication date
ID18322A (id) 1998-03-26
CA2216084A1 (en) 1998-03-23
AU3918397A (en) 1998-03-26
EP0831169A2 (en) 1998-03-25

Similar Documents

Publication Publication Date Title
ZA982842B (en) Production of paper board and cardboard having high dry strength
CA2223915A1 (en) Method of treating a papermaking furnish for making soft tissue
FI954248A (fi) Persulfaattiseoksia märkälujan paperin sulputusta varten
WO2001046523A3 (en) Hydroxy-phenoxyether polymers in papermaking
ATE210225T1 (de) Teilchenförmigen feinen füllstoff enthaltendes tissuepapier
MXPA04005291A (es) Un producto de papel que comprende un polimero de polivinilamina.
ES2140137T3 (es) Papel tisu cargado, suave, con propiedades superficiales sesgadas.
AU3174689A (en) Pulp dewatering process
NO992382L (no) Fremstilling av papir
AR005740A1 (es) Metodo para impartir resistencia a un papel reciclable y papel obtenido
ES2096819T3 (es) Desintegracion de papel y carton.
BR9704791A (pt) Processos para aperfeiçoar tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos para estabilizar tratamentos com peróxido em fluxos aquosos de produção de papel contendo polpa kraft peróxido manganês e ferro e tratamentos á base de oxigênio de materiais celulósicos em sistemas aquosos e polímeros solúvel em água
BR0214376A (pt) lodo de fabricação de papel tratado com enzimas , composição de lodo de fabricação de papel tratado com enzimas , seu uso e produto obtido
BR9713155A (pt) Processo para produzir papel e papelão.
ZA9923B (en) Oxidation in solid state of oxidizable galactose type of alcohol configuration containing polymers.
BR0015768A (pt) Métodos e aparelho para fabricação de papel ou papelão e o papel ou papelão obtidos
BR0101067A (pt) Combinações poliméricas de amido usadas na fabricação de papel
SE9601136D0 (sv) Hygienic paper and production thereof
AU6402098A (en) System for treatment and circulation of dilution water for the headbox of a paper machine
NO20006588D0 (no) Polykationiske polymerer, deres fremstilling og anvendelse
BR0011528A (pt) Isolamento e atividades de despolimerases de lignina

Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired