ATE139753T1 - Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält - Google Patents

Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält

Info

Publication number
ATE139753T1
ATE139753T1 AT93909556T AT93909556T ATE139753T1 AT E139753 T1 ATE139753 T1 AT E139753T1 AT 93909556 T AT93909556 T AT 93909556T AT 93909556 T AT93909556 T AT 93909556T AT E139753 T1 ATE139753 T1 AT E139753T1
Authority
AT
Austria
Prior art keywords
product water
wastewater containing
containing wood
wood resin
purifying product
Prior art date
Application number
AT93909556T
Other languages
English (en)
Inventor
Magnus Johan Wretborn
Arne Olov Roland Andersson
Gert Gunnar Magnus Goeransson
Original Assignee
Eka Nobel 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 Eka Nobel Ab filed Critical Eka Nobel Ab
Application granted granted Critical
Publication of ATE139753T1 publication Critical patent/ATE139753T1/de

Links

Classifications

    • 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
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • 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
    • 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
    • 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
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Fertilizers (AREA)
  • Physical Water Treatments (AREA)
  • Processing Of Solid Wastes (AREA)
  • Road Paving Structures (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Electrotherapy Devices (AREA)
  • Making Paper Articles (AREA)
AT93909556T 1992-05-05 1993-04-28 Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält ATE139753T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9201398A SE500783C2 (sv) 1992-05-05 1992-05-05 Sätt att rena vedhartsinnehållande process- eller avloppsvatten

Publications (1)

Publication Number Publication Date
ATE139753T1 true ATE139753T1 (de) 1996-07-15

Family

ID=20386137

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93909556T ATE139753T1 (de) 1992-05-05 1993-04-28 Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält

Country Status (17)

Country Link
US (1) US5354479A (de)
EP (1) EP0639158B1 (de)
JP (1) JP2883203B2 (de)
KR (1) KR0163615B1 (de)
AT (1) ATE139753T1 (de)
AU (1) AU662979B2 (de)
BR (1) BR9306319A (de)
CA (1) CA2095180A1 (de)
DE (1) DE69303370T2 (de)
ES (1) ES2089817T3 (de)
FI (1) FI106852B (de)
NO (1) NO306394B1 (de)
NZ (1) NZ251911A (de)
RU (1) RU94046048A (de)
SE (1) SE500783C2 (de)
WO (1) WO1993022243A1 (de)
ZA (1) ZA933013B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9301160L (sv) * 1992-08-28 1994-03-01 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
SE9303762L (sv) * 1993-11-15 1995-05-16 Eka Nobel Ab Sätt att rena processvatten från massaframställning
SE504789C2 (sv) * 1994-02-21 1997-04-28 Kemira Kemi Ab Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien
GB9800497D0 (en) * 1998-01-09 1998-03-04 Allied Colloids Ltd Dewatering of sludges
US8324377B2 (en) * 2004-11-02 2012-12-04 Shin-Etsu Chemical Co., Ltd. Method of separating water-soluble cellulose ether
PT103739B (pt) 2007-05-11 2009-07-07 Univ Tras Os Montes E Alto Dou Processo de produção de biomassa a partir de resíduos e efluentes industriais em particular dos sectores da madeira, cortiça e celulose

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US596669A (en) * 1898-01-04 twining
US3338828A (en) * 1964-07-29 1967-08-29 Joseph R Clark Purification of water supplies and aqueous wastes
SE357950B (de) * 1972-02-22 1973-07-16 Casco Ab
SE403782B (sv) * 1973-03-14 1978-09-04 Mo Och Domsjoe Ab Nonjoniska cellulosaetrar
SE454507B (sv) * 1986-11-21 1988-05-09 Berol Kemi Ab Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten
SE459925B (sv) * 1987-12-23 1989-08-21 Boliden Ab Avskiljning av harts ur massaavlutar
CA2023735C (en) * 1990-08-21 1999-03-16 Robert Dennis Hodges Compositions and process for removing toxic resin acids and derivatives from effluent
US5104551A (en) 1990-10-11 1992-04-14 The United States Of America As Represented By The Secretary Of The Interior Method of flocculating clay-containing waste slurries
US5230808A (en) * 1991-06-17 1993-07-27 Nalco Canada Inc. Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater
US5178770A (en) * 1991-07-12 1993-01-12 Nalco Canada Inc. Method of treating bctmp/ctmp wastewater

Also Published As

Publication number Publication date
FI932006L (fi) 1993-11-06
SE9201398L (sv) 1993-11-06
NO306394B1 (no) 1999-11-01
KR950701297A (ko) 1995-03-23
WO1993022243A1 (en) 1993-11-11
ES2089817T3 (es) 1996-10-01
FI106852B (fi) 2001-04-30
EP0639158B1 (de) 1996-06-26
JPH07506154A (ja) 1995-07-06
AU4030593A (en) 1993-11-29
ZA933013B (en) 1993-11-05
KR0163615B1 (ko) 1998-11-16
AU662979B2 (en) 1995-09-21
BR9306319A (pt) 1999-09-28
SE9201398D0 (sv) 1992-05-05
FI932006A0 (fi) 1993-05-04
DE69303370T2 (de) 1996-12-05
NO944189L (no) 1994-11-03
RU94046048A (ru) 1996-09-20
JP2883203B2 (ja) 1999-04-19
DE69303370D1 (de) 1996-08-01
NZ251911A (en) 1995-12-21
NO944189D0 (no) 1994-11-03
EP0639158A1 (de) 1995-02-22
CA2095180A1 (en) 1993-11-06
SE500783C2 (sv) 1994-09-05
US5354479A (en) 1994-10-11

Similar Documents

Publication Publication Date Title
ATE27703T1 (de) Verfahren zur herstellung von hochsubstituierten carboxyalkylcellulosen und deren mischethern.
DE3863254D1 (de) Anlage zur aeroben biologischen reinigung von schadstoffhaltigem wasser.
AU557525B2 (en) Anaerobic treatment of cellulose pulp waste water preceded or accompanied by the incorporation of additives
DE69303370D1 (de) Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält
ATE26447T1 (de) Verfahren zur herstellung von penicillansaeure-1,1-dioxiden und deren derivaten.
FR2565579B1 (fr) Installation pour le traitement des eaux usees par des microorganismes
RU95107659A (ru) Способ очистки водной отвальной пульпы на предприятиях лесопромышленности
DE69011525D1 (de) Verfahren zur bekämpfung von mikroorganismen.
RU95106759A (ru) Способ получения алюмосиликатного коагулянта
ATE190095T1 (de) Mikrobielles verfahren zur herstellung von dihydroxyaceton
FR2238675A1 (en) Biological purificn of waste water and sewage - in one stage by algal and bacterial symbiosis
Bennett et al. Pilot application of the rotating biological surface concept for secondary treatment of insulating board mill effluents
HUT71530A (en) Method for purification of high contaminated waste waters
White Microbiology- North American Style
DE69408128D1 (de) Wasserchathrate von piperazinylpyridin
AU8568782A (en) Biological waste water treating system
FR2669323B1 (fr) Procede pour epurer les solutions usagees aqueuses d'acide chromique, et solutions ainsi epurees.
ATE18777T1 (de) Verfahren zum reinigen von elastase.
JPS5522303A (en) Activated sludge treatment
ES477804A1 (es) Perfeccionamientos en instalaciones de tratamiento de aguas residuales.
SU1039142A1 (ru) Способ микробиологической очистки сточных вод от метанола и метилсернистых соединений
RU94030397A (ru) Способ очистки сточных вод от хрома
ES2046048T3 (es) Tratamiento de aguas residuales.
JPS5738999A (en) Method for modification of excess sludge
IT8125179A0 (it) Processo per la produzione di fertilizzanti e di correttori di acidita' del terreno, a partire da fanghi di depurazione di acque reflue.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee