[go: up one dir, main page]

PT83603B - Processo para descorar polpa de celulose - Google Patents

Processo para descorar polpa de celulose

Info

Publication number
PT83603B
PT83603B PT83603A PT8360386A PT83603B PT 83603 B PT83603 B PT 83603B PT 83603 A PT83603 A PT 83603A PT 8360386 A PT8360386 A PT 8360386A PT 83603 B PT83603 B PT 83603B
Authority
PT
Portugal
Prior art keywords
decorating
pulp
cellulose
decorating pulp
Prior art date
Application number
PT83603A
Other languages
English (en)
Other versions
PT83603A (en
Inventor
Charles S Ackel
Original Assignee
Stone Container Corp
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 Stone Container Corp filed Critical Stone Container Corp
Publication of PT83603A publication Critical patent/PT83603A/pt
Publication of PT83603B publication Critical patent/PT83603B/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/917—Color
    • 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
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
PT83603A 1985-03-13 1986-10-22 Processo para descorar polpa de celulose PT83603B (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71123885A 1985-03-13 1985-03-13
US06/903,833 US4724045A (en) 1985-03-13 1986-09-03 Pulp decolor process
GB8624625A GB2196619B (en) 1985-03-13 1986-10-14 Pulp decolor process

Publications (2)

Publication Number Publication Date
PT83603A PT83603A (en) 1987-05-29
PT83603B true PT83603B (pt) 1988-10-14

Family

ID=36915762

Family Applications (1)

Application Number Title Priority Date Filing Date
PT83603A PT83603B (pt) 1985-03-13 1986-10-22 Processo para descorar polpa de celulose

Country Status (5)

Country Link
US (1) US4724045A (pt)
AU (1) AU584715B2 (pt)
FR (1) FR2605306B1 (pt)
GB (1) GB2196619B (pt)
PT (1) PT83603B (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5429717A (en) * 1986-12-22 1995-07-04 Aga Aktiebolag Method of washing of alkaline pulp by adding carbon dioxide to the pulp
SE459925B (sv) * 1987-12-23 1989-08-21 Boliden Ab Avskiljning av harts ur massaavlutar
US5032286A (en) * 1988-10-18 1991-07-16 Boise Cascade Corporation Pulp mill effluent color removal process
US4874521A (en) * 1988-10-18 1989-10-17 Boise Cascade Corporation Pulp mill effluent color removal process
WO1993007094A1 (de) * 1991-10-01 1993-04-15 Tex-A-Tec Ag Verfahren und vorrichtung zur rückgewinnung von bestandteilen aus farbdispersionen
US7029553B1 (en) * 1992-07-24 2006-04-18 Peach State Labs, Inc. Urea sulfate and urea hydrochloride in paper and pulp processing
US5360551A (en) * 1993-04-01 1994-11-01 Crompton & Knowles Corporation Process for color reduction of dye wastewater
US5635024A (en) * 1993-08-20 1997-06-03 Bountiful Applied Research Corporation Process for separating lignins and dissolved organic compounds from kraft spent liquor
US5670020A (en) * 1995-06-01 1997-09-23 International Paper Company Foam separation method for reducing AOX, COD, and color bodies of kraft pulp bleach plant effluents
US7422692B1 (en) * 1999-04-12 2008-09-09 Launeil Neil Sanders Raw influent treatment processes eliminating secondary biological treatment
US6830696B1 (en) 2003-12-01 2004-12-14 University Of Florida Research Foundation, Inc. Treatment of spent pulping liquor with lignin separation to recover alkali pulping chemicals in manufacture of paper pulp
US7713422B2 (en) * 2004-09-07 2010-05-11 K.I. System Co., Ltd. Black liquor treatment method
CA2597905C (en) * 2005-02-15 2014-08-05 Georgia Tech Research Corporation Method for altering the tack of materials
US8512523B2 (en) * 2006-02-14 2013-08-20 Georgia Tech Research Corporation Method for altering the tack of materials
US7943041B1 (en) 2006-05-11 2011-05-17 Kurt Standley System for removing particulate matter from wastewater
US7767092B2 (en) * 2006-11-14 2010-08-03 Konica Minolta Business Technologies, Inc. Decolorization method of colored effluent
US8613781B2 (en) * 2007-08-08 2013-12-24 Harrison R. Cooper Lignin dewatering process
CN101486797B (zh) * 2008-01-16 2010-12-08 山东泉林纸业有限责任公司 一种由亚铵法草浆黑液提取黄腐酸的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1467805A (fr) * 1965-11-15 1967-02-03 Ct Tech De L Ind Des Papiers Procédé physico-chimique d'épuration des eaux résiduaires, notamment des effluents provenant de la fabrication des pâtes à papier dites chimiques et mi-chimiques
US3740363A (en) * 1969-10-27 1973-06-19 Gulf States Paper Corp Effluent treatment processes
SU445623A1 (ru) * 1971-01-11 1974-10-05 Всесоюзный научно-исследовательский институт целлюлозно-бумажной промышленности Способ очистки сточных вод сульфатно-целлюлозного производства
US3829388A (en) * 1972-08-01 1974-08-13 Betz Laboratories Beneficiation of lignin solutions and pulp mill wastes
SE372298B (pt) * 1972-10-04 1974-12-16 Uddeholms Ab
US3990969A (en) * 1972-10-04 1976-11-09 Uddeholms Aktiebolag Purification of waste water from sulphate pulp bleaching plants
US4000033A (en) * 1973-04-25 1976-12-28 Canadian Patents And Development Limited Removal of color and organic matter from kraft process bleach effluents
CA1024274A (en) * 1973-11-28 1978-01-10 Pulp And Paper Research Institute Of Canada Treatment of pulp mill effluents
US4089780A (en) * 1975-10-21 1978-05-16 Nalco Chemical Company Color removal process
US4058458A (en) * 1975-12-05 1977-11-15 Nalco Chemical Company Removal of color from paper mill waste waters
US4179329A (en) * 1976-01-09 1979-12-18 Nalco Chemical Company Removal of color from paper mill waste waters
US4374027A (en) * 1978-02-06 1983-02-15 International Telephone And Telegraph Corporation Process for the secondary treatment of wastewater
AT377546B (de) * 1983-02-25 1985-03-25 Dieter J Becker Verfahren zur reinigung von bei der zellstoffherstellung, insbesondere bei der chlorbleiche von zellstoff, anfallenden abwaessern
US4695386A (en) * 1985-05-20 1987-09-22 Advanced Separation Technologies Incorporated Process for the decolorization of pulp mill process streams

Also Published As

Publication number Publication date
PT83603A (en) 1987-05-29
AU5921186A (en) 1988-01-07
US4724045A (en) 1988-02-09
FR2605306A1 (fr) 1988-04-22
FR2605306B1 (fr) 1991-07-12
GB8624625D0 (en) 1986-11-19
AU584715B2 (en) 1989-06-01
GB2196619A (en) 1988-05-05
GB2196619B (en) 1991-03-13

Similar Documents

Publication Publication Date Title
BR8603426A (pt) Produto absorvente e processo para preparacao de uma polpa de celulose retentora altamente absorvente
PT83603B (pt) Processo para descorar polpa de celulose
BR8300260A (pt) Processo para a preparacao de hidroxipropilmetilcelulose
BR8208040A (pt) Processo para produzir derivados de celulose soluveis
PT86312A (pt) Processo para a preparacao de fibras superabsorventes
PT95718A (pt) Processo para o branqueamento isento de cloro de pastas de celulose
BR9007254A (pt) Processo para preparar polpa
PT81463B (pt) Processo para a preparacao de novos derivados 5-amino-4-hidroxivalerilo
BR8208041A (pt) Processo para precipitar derivados de celulose
BR7908799A (pt) Processo para refinacao de polpas de celulose
BR8107534A (pt) Processo e dispositivo para a producao de celulose
BR8606472A (pt) Processo para a cationizacao seca de galactomananas
PT80270B (pt) Processo para a preparacao de derivados da 9a-aza-9a-homoeritromicina
BR9000983A (pt) Aparelho e processo para a deslignificacao de polpa de celulose
BR8501074A (pt) Processo para fabricacao de carbamato de celulose
PT81750B (pt) Processo para a fabricacao de polpa de celulose
BR8600964A (pt) Processo para tingimento de material textil contendo celulose
BR8701552A (pt) Processo para a producao de um po detergente e po detergente
BR8603427A (pt) Produto absorvente e processo para preparacao de uma polpa de celulose retentora altamente absorvente
BR8304205A (pt) Processo para lavagem de celulose
PT81526B (pt) Processo para a preparacao de novas homopropargilaminas
PT82341B (pt) Processo para a preparacao de polpas de celulose
BR8900300A (pt) Processo para a obtencao de celulose
BR8602790A (pt) Processo de polpamento e processo para abrilhantar polpa
PT83406B (pt) Processo para a preparacao e branqueamento de polpa de celulose de elevado rendimento

Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19910902