ATE294890T1 - Verfahren zur rückgewinnung von organischen säuren aus bleichlösungen - Google Patents

Verfahren zur rückgewinnung von organischen säuren aus bleichlösungen

Info

Publication number
ATE294890T1
ATE294890T1 AT01913912T AT01913912T ATE294890T1 AT E294890 T1 ATE294890 T1 AT E294890T1 AT 01913912 T AT01913912 T AT 01913912T AT 01913912 T AT01913912 T AT 01913912T AT E294890 T1 ATE294890 T1 AT E294890T1
Authority
AT
Austria
Prior art keywords
organic acids
bleaching
bleaching liquor
acid
fertilizer
Prior art date
Application number
AT01913912T
Other languages
English (en)
Inventor
Pasi Rousu
Paeivi Rousu
Esa Rousu
Juha Anttila
Original Assignee
Chempolis Oy
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 Chempolis Oy filed Critical Chempolis Oy
Application granted granted Critical
Publication of ATE294890T1 publication Critical patent/ATE294890T1/de

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F7/00Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
    • C05F7/02Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses from sulfite liquor or other waste lyes from the manufacture of cellulose
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028Effluents derived from the washing or bleaching plants
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/918Miscellaneous specific techniques
    • Y10S210/922Oil spill cleanup, e.g. bacterial
    • Y10S210/924Oil spill cleanup, e.g. bacterial using physical agent, e.g. sponge, mop
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/928Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Removal Of Specific Substances (AREA)
AT01913912T 2000-02-28 2001-02-27 Verfahren zur rückgewinnung von organischen säuren aus bleichlösungen ATE294890T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20000453A FI108234B (fi) 2000-02-28 2000-02-28 Menetelmä massan valmistamiseksi
PCT/FI2001/000197 WO2001065003A1 (en) 2000-02-28 2001-02-27 Process for recovering organic acids from bleaching liquors

Publications (1)

Publication Number Publication Date
ATE294890T1 true ATE294890T1 (de) 2005-05-15

Family

ID=8557751

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01913912T ATE294890T1 (de) 2000-02-28 2001-02-27 Verfahren zur rückgewinnung von organischen säuren aus bleichlösungen

Country Status (9)

Country Link
US (1) US6923888B2 (de)
EP (1) EP1319103B1 (de)
CN (1) CN1179089C (de)
AT (1) ATE294890T1 (de)
AU (1) AU778025B2 (de)
DE (1) DE60110618T2 (de)
FI (1) FI108234B (de)
PT (1) PT1319103E (de)
WO (1) WO2001065003A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1115942B1 (de) * 1998-06-17 2017-02-15 TreeFree Biomass Solutions, Inc. Verbundplatte aus arundo donax und verfahren zum herstellen derselben
FI108234B (fi) 2000-02-28 2001-12-14 Chempolis Oy Menetelmä massan valmistamiseksi
CN100532332C (zh) * 2003-03-26 2009-08-26 永丰馀造纸股份有限公司 利用植物纤维生物制浆回收液调制的植物营养液配方与方法
US7923802B2 (en) * 2006-10-13 2011-04-12 Hewlett-Packard Development Company, L.P. Method and apparatus for forming a photodiode
US7520958B2 (en) * 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
PT1883731E (pt) * 2005-05-24 2016-01-26 Int Paper Co Fibras kraft modificadas
BRPI0617352A2 (pt) * 2005-10-14 2011-07-26 Archer Daniels Midland Co composiÇÕes fertilizantes e mÉtodos de uso
US7771565B2 (en) * 2006-02-21 2010-08-10 Packaging Corporation Of America Method of pre-treating woodchips prior to mechanical pulping
US7976676B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US20080269053A1 (en) * 2007-04-26 2008-10-30 Less John F Amino Acid Compositions and Methods of Using as Fertilizer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576709A (en) * 1968-11-25 1971-04-27 Univ Dev Foundation Process for making pulp utilizing a mixture of phosphoric and nitric acids
US4087318A (en) * 1974-03-14 1978-05-02 Mo Och Domsjo Aktiebolag Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound
SE420430B (sv) * 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
JPH04126885A (ja) 1990-09-14 1992-04-27 Akio Onda 化学パルプの製造方法
US6776876B1 (en) * 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
DE19516151A1 (de) 1995-05-03 1996-11-07 Sven Siegle Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung
FI103899B1 (fi) 1996-11-06 1999-10-15 Chempolis Oy Menetelmä erityisen vaalean massan valmistamiseksi
FI108233B (fi) 1997-08-22 2001-12-14 Chempolis Oy Menetelmä muurahaishapon talteenottamiseksi
FI112508B (fi) * 1999-04-06 2003-12-15 Chempolis Oy Menetelmä selluloosan valmistamiseksi ja sivutuote
FI108234B (fi) 2000-02-28 2001-12-14 Chempolis Oy Menetelmä massan valmistamiseksi
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

Also Published As

Publication number Publication date
AU778025B2 (en) 2004-11-11
FI20000453L (fi) 2001-08-28
PT1319103E (pt) 2005-07-29
DE60110618D1 (de) 2005-06-09
EP1319103B1 (de) 2005-05-04
WO2001065003A1 (en) 2001-09-07
CN1392911A (zh) 2003-01-22
FI20000453A0 (fi) 2000-02-28
CN1179089C (zh) 2004-12-08
AU3932501A (en) 2001-09-12
US20030145961A1 (en) 2003-08-07
EP1319103A1 (de) 2003-06-18
US6923888B2 (en) 2005-08-02
FI108234B (fi) 2001-12-14
DE60110618T2 (de) 2005-11-10

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties