BR9406950A - Processo para remoçao de ions metálicos de liquidos - Google Patents

Processo para remoçao de ions metálicos de liquidos

Info

Publication number
BR9406950A
BR9406950A BR9406950A BR9406950A BR9406950A BR 9406950 A BR9406950 A BR 9406950A BR 9406950 A BR9406950 A BR 9406950A BR 9406950 A BR9406950 A BR 9406950A BR 9406950 A BR9406950 A BR 9406950A
Authority
BR
Brazil
Prior art keywords
liquids
metal ions
removing metal
ions
metal
Prior art date
Application number
BR9406950A
Other languages
English (en)
Inventor
Robert J Michalowski
Steven H Christiansen
R Keith Frank
Teresa Littleton
Jaime Simon
Walter Vaughn
David A Wilson
Original Assignee
Dow 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR9406950A publication Critical patent/BR9406950A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • 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
    • D21C9/1042—Use of chelating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BR9406950A 1993-07-09 1994-06-30 Processo para remoçao de ions metálicos de liquidos BR9406950A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/089,354 US5447603A (en) 1993-07-09 1993-07-09 Process for removing metal ions from liquids
PCT/US1994/007428 WO1995002086A2 (en) 1993-07-09 1994-06-30 Process for removing metal ions from liquids

Publications (1)

Publication Number Publication Date
BR9406950A true BR9406950A (pt) 1996-08-06

Family

ID=22217208

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9406950A BR9406950A (pt) 1993-07-09 1994-06-30 Processo para remoçao de ions metálicos de liquidos

Country Status (9)

Country Link
US (1) US5447603A (pt)
EP (1) EP0707671A1 (pt)
JP (1) JPH08512365A (pt)
AU (1) AU1198195A (pt)
BR (1) BR9406950A (pt)
CA (1) CA2166491A1 (pt)
FI (1) FI960086A (pt)
NO (1) NO960082L (pt)
WO (1) WO1995002086A2 (pt)

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US6336993B1 (en) * 1996-10-25 2002-01-08 Andritz-Ahlstrom Inc. Metal removal from comminuted fibrous material during feeding
DE69726320T2 (de) * 1997-08-14 2004-10-21 Takashi Watanabe Chemisches verfahren zur depolymerisation von lignin
SE514687C2 (sv) * 1999-07-09 2001-04-02 Sca Graphic Res Ab Metod för eliminering av skadliga substanser i en processvätska
DE19953591A1 (de) * 1999-11-08 2001-05-17 Sca Hygiene Prod Gmbh Metallvernetzbare oxidierte cellulosehaltige Faserstoffe und daraus hergestellte Produkte
KR100469077B1 (ko) * 2003-09-16 2005-02-02 에이치투오 테크놀로지스 엘엘씨 철 또는 알루미늄 결합 리그노셀룰로즈 미디아 제조방법
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PL2845949T3 (pl) * 2009-08-05 2023-09-11 International Paper Company Proces nakładania kompozycji zawierającej kationowy trójwartościowy metal i odsadzany i spulchniony arkusz masy celulozowej wytworzonej z tego samego arkusza
ES2529104T3 (es) * 2009-08-05 2015-02-16 International Paper Company Aditivo para láminas secas de pasta de papel esponjosa
MY162376A (en) 2009-08-05 2017-06-15 Shell Int Research Method for monitoring a well
JP5816280B2 (ja) 2010-07-20 2015-11-18 インターナショナル・ペーパー・カンパニー 多価カチオン性金属とアミン含有帯電防止剤とを含有する組成物、およびそれらの製造方法と使用方法
WO2012012633A1 (en) 2010-07-22 2012-01-26 International Paper Company Process for preparing fluff pulp sheet with cationic dye and debonder surfactant and fluff pulp sheet made from same
RU2471721C1 (ru) * 2011-07-05 2013-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный химико-технологический университет" Способ модифицирования сорбентов на основе целлюлозы
AT515180B1 (de) 2013-10-15 2016-06-15 Chemiefaser Lenzing Ag Dreidimensionaler cellulosischer Formkörper, Verfahren zu seiner Herstellung und seine Verwendung
AT515174B1 (de) * 2013-10-15 2019-05-15 Chemiefaser Lenzing Ag Cellulosesuspension, Verfahren zu ihrer Herstellung und Verwendung
AT515152B1 (de) * 2013-11-26 2015-12-15 Chemiefaser Lenzing Ag Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
EP2902544B1 (en) * 2014-01-30 2017-05-10 Archroma France SAS Aqueous composition comprising a polyvalent metal complexed by carbonate and carboxylic acid ligands, and use thereof
AT517020B1 (de) 2015-02-06 2020-02-15 Chemiefaser Lenzing Ag Recycling von cellulosischen Kunstfasern
CN110482853B (zh) * 2019-09-17 2021-10-26 济南大学 一种将电镀废水中有毒金属离子固化于钠钙铝硅酸盐玻璃中的方法及所得玻璃

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US4766036A (en) * 1985-09-16 1988-08-23 The Dow Chemical Company Process for producing porous fibers from orientable olefin polymers having cation-containing, pendent reactive side-groups and the resultant product
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US4846978A (en) * 1988-11-16 1989-07-11 The Dow Chemical Company Recovery of metals from solutions containing chelants
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GB9024016D0 (en) * 1990-11-05 1990-12-19 Allied Colloids Ltd Clay compositions,their manufacture and their use in the production of paper
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KR960700380A (ko) * 1992-11-25 1996-01-20 잭 더블유 포레스트. 펄프 제조방법(processing of pulp)

Also Published As

Publication number Publication date
EP0707671A1 (en) 1996-04-24
NO960082D0 (no) 1996-01-08
WO1995002086A3 (en) 1995-03-09
AU1198195A (en) 1995-02-06
JPH08512365A (ja) 1996-12-24
US5447603A (en) 1995-09-05
WO1995002086A2 (en) 1995-01-19
FI960086A (fi) 1996-03-06
CA2166491A1 (en) 1995-01-19
FI960086A0 (fi) 1996-01-08
NO960082L (no) 1996-03-08

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal