BR7408594A - Processo para controlar a quantidade de compostos quimicos em liquidos na industria da celulose e industrias correlatas - Google Patents

Processo para controlar a quantidade de compostos quimicos em liquidos na industria da celulose e industrias correlatas

Info

Publication number
BR7408594A
BR7408594A BR8594/74A BR859474A BR7408594A BR 7408594 A BR7408594 A BR 7408594A BR 8594/74 A BR8594/74 A BR 8594/74A BR 859474 A BR859474 A BR 859474A BR 7408594 A BR7408594 A BR 7408594A
Authority
BR
Brazil
Prior art keywords
liquids
control
chemical compounds
related industries
cellulose industry
Prior art date
Application number
BR8594/74A
Other languages
English (en)
Inventor
K Wettermark
H Norberg
B Lindahl
U Isacsson
B Hultman
Original Assignee
Mo Och Domsju 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 Mo Och Domsju Ab filed Critical Mo Och Domsju Ab
Publication of BR7408594A publication Critical patent/BR7408594A/pt

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the process
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/76—Chemiluminescence; Bioluminescence
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Automation & Control Theory (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BR8594/74A 1973-10-17 1974-10-16 Processo para controlar a quantidade de compostos quimicos em liquidos na industria da celulose e industrias correlatas BR7408594A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7314129A SE399966B (sv) 1973-10-17 1973-10-17 Sett att reglera mengden kemiska emnen i inom cellulosaindustrin och beslektade industrier forekommande vetskor

Publications (1)

Publication Number Publication Date
BR7408594A true BR7408594A (pt) 1976-04-27

Family

ID=20318848

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8594/74A BR7408594A (pt) 1973-10-17 1974-10-16 Processo para controlar a quantidade de compostos quimicos em liquidos na industria da celulose e industrias correlatas

Country Status (9)

Country Link
US (1) US3962029A (pt)
JP (1) JPS5149004B2 (pt)
BR (1) BR7408594A (pt)
CA (1) CA1026907A (pt)
DE (1) DE2448731C3 (pt)
FI (1) FI303574A (pt)
FR (1) FR2248504B1 (pt)
NO (1) NO141910C (pt)
SE (1) SE399966B (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE415580C (sv) * 1977-05-11 1984-06-05 Mo Och Domsjoe Ab Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering av cellulosamaterial
US4575433A (en) * 1983-01-31 1986-03-11 Iowa State University Research Foundation, Inc. Method of generating chemiluminescent light
GB8401630D0 (en) * 1984-01-21 1984-02-22 Interox Chemicals Ltd Analysing and control
JPH06105261B2 (ja) * 1984-03-05 1994-12-21 株式会社東芝 濃度勾配測定装置
JPS60226403A (ja) * 1984-04-20 1985-11-11 Mitsubishi Heavy Ind Ltd 亜硫酸塩濃度調整方法
FI71178C (fi) * 1984-11-08 1988-05-18 Rauma Repola Oy Foerfarande foer reglering av syreblekningsprocess.
SE455822B (sv) * 1985-12-03 1988-08-08 Mo Och Domsjoe Ab Forfarande for att meta kemikaliehalten i blekvetska inom cellulosamassaindustrin samt apparatur for genomforande av forfarandet
US4886576A (en) * 1987-12-16 1989-12-12 Boise Cascade Corporation Method and apparatus for producing uniform pulp yields by controlling the operation of a refiner
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5554259A (en) * 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration
US5900113A (en) * 1994-09-26 1999-05-04 Nalco Chemical Company Method of using fluorescent tracers to monitor chlorine dioxide in pulp and paper processes
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
WO1996027785A1 (en) * 1995-03-03 1996-09-12 Abbott Laboratories Article and method for conducting chemiluminescent reaction
US6114171A (en) * 1997-10-20 2000-09-05 Westvaco Corporation Additive management system
US6153050A (en) * 1998-03-24 2000-11-28 Noranda Forest Inc. Method and system for controlling the addition of bleaching reagents to obtain a substantially constant percentage of pulp delignification across the first bleaching/delignifying stage
US6940073B1 (en) 2002-11-08 2005-09-06 Georgia Tech Research Corporation Method for determining the concentration of hydrogen peroxide in a process stream and a spectrophotometric system for the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366572A (en) * 1965-03-09 1968-01-30 American Cyanamid Co Oxidation of chemiluminescent substances
US3539794A (en) * 1967-09-12 1970-11-10 American Cyanamid Co Self-contained chemiluminescent lighting device

Also Published As

Publication number Publication date
DE2448731B2 (de) 1979-08-02
JPS5065603A (pt) 1975-06-03
FR2248504A1 (pt) 1975-05-16
FI303574A (pt) 1975-04-18
SE399966B (sv) 1978-03-06
DE2448731C3 (de) 1980-04-24
FR2248504B1 (pt) 1976-10-22
CA1026907A (en) 1978-02-28
US3962029A (en) 1976-06-08
NO743542L (pt) 1975-05-12
DE2448731A1 (de) 1975-04-30
NO141910C (no) 1980-05-28
JPS5149004B2 (pt) 1976-12-24
NO141910B (no) 1980-02-18
SE7314129L (pt) 1975-04-18

Similar Documents

Publication Publication Date Title
BR7408594A (pt) Processo para controlar a quantidade de compostos quimicos em liquidos na industria da celulose e industrias correlatas
BR7402923D0 (pt) Recipiente para produtos diversos, do tipo produzido de folha de material fino, sintetico ou nao, simples ou complexo, processo para sua fabricacao e maquina para execucao do dito processo
BR7902985A (pt) Processo para a preparacao de uma estrutura fibrosa contendo fibras metalicas,estrutura assim obtida e seu emprego,especialmente na industria do papel
BR7402742D0 (pt) Composicao de involucro de colagenio para salsicha e aperfeicoamentos em processo para a producao desta
BR7404262D0 (pt) Processo para a coloracao a seco de materiais metalicos ou rigidos suportes provisorios empregados no mesmo e materiais assim coloridos
BR7016945D0 (pt) Processo para a purificacao de acidos mistos
AT340767B (de) Anionische leimungsmittel fur papier oder papierahnliche materialien und verfahren zu deren herstellung
BR7505153A (pt) Aperfeicoamento em processo de dividir um fluxo continuo de material pulverulento em dois ou mais fluidos substancialmente iguais
BR7409503A (pt) Aparelho e processo para carregar material catalizador fluivel
BR7016030D0 (pt) Processo para a producao de substancias corantes
BR7404442D0 (pt) Processo para a producao de hidrocarbonetos altamente clorados e composicao de catalizador de oxicloracao
BR7202989D0 (pt) Processo de ensaio biologico para determinar a presenca de um material especifico ou ligando em um meio
BR7503767A (pt) Recipiente para liquidos pastas ou pos e processo de fabricacao do mesmo
BR7301296D0 (pt) Processo para producao de polpas quimicas
BR7410652D0 (pt) Processo para o branqueamento de material que contem celulose
BR7301635D0 (pt) Processo para fabricar agentes de acabamento anti-encolhimento e anti-rugas, estaveis ao armazenamento, liquidos para materiais texteis contendo celulose
BR7507062A (pt) Processo para coloracao de materiais texteis de poliester aromatico ou de triacetato de celulose
BR7410016A (pt) Processo para a obtencao de poliisocianatos aromaticos liquidos que apresentam grupos de acido sulfonico e/ou de sulfonato e composicoes empregadas no processo
BR7404071D0 (pt) Aperfeicoamentos em um recipiente ou tanque apropriado para manuseio de fluidos corrosivos e em processo de prepararo mesmo
BR7307781D0 (pt) Processo para tornar anti-rugosos texteis contendo celulose
BR7410514A (pt) Aperfeicoamentos em recipientes dispensadores a pressao para substancias em qualquer estado fisico e no processo de sua fabricacao
BR7506352A (pt) Processo para reduzir a concentracao de polimero nas superficies interiores de um recipiente de polimerizacao
BR7400632D0 (pt) Aparelho e processo para o tratamento de uma tela de material em avanco continuo com um fluido reagente
BR7503124A (pt) Bocal de solucao e processo para a manipulacao de solidos e/ou liquidos
BR7203416D0 (pt) Processo para producao de polpa de celulose a polpa resultante e o papel fabricado da polpa