SE9403598L - Lakning av elfilteraska - Google Patents

Lakning av elfilteraska

Info

Publication number
SE9403598L
SE9403598L SE9403598A SE9403598A SE9403598L SE 9403598 L SE9403598 L SE 9403598L SE 9403598 A SE9403598 A SE 9403598A SE 9403598 A SE9403598 A SE 9403598A SE 9403598 L SE9403598 L SE 9403598L
Authority
SE
Sweden
Prior art keywords
pct
leaching
washing
leakage
sec
Prior art date
Application number
SE9403598A
Other languages
Unknown language ( )
English (en)
Other versions
SE504374C2 (sv
SE9403598D0 (sv
Inventor
Nils Lindman
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9403598A priority Critical patent/SE504374C2/sv
Publication of SE9403598D0 publication Critical patent/SE9403598D0/sv
Priority to PCT/SE1995/001043 priority patent/WO1996012847A1/en
Priority to AU38185/95A priority patent/AU3818595A/en
Priority to US08/817,193 priority patent/US5911854A/en
Publication of SE9403598L publication Critical patent/SE9403598L/sv
Publication of SE504374C2 publication Critical patent/SE504374C2/sv
Priority to FI971654A priority patent/FI971654A/sv

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/78—Handling the filter cake in the filter for purposes other than for regenerating for washing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)
  • Filtration Of Liquid (AREA)
SE9403598A 1994-10-20 1994-10-20 Lakning av elfilteraska SE504374C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9403598A SE504374C2 (sv) 1994-10-20 1994-10-20 Lakning av elfilteraska
PCT/SE1995/001043 WO1996012847A1 (en) 1994-10-20 1995-09-15 Leaching of precipitator ash
AU38185/95A AU3818595A (en) 1994-10-20 1995-09-15 Leaching of precipitator ash
US08/817,193 US5911854A (en) 1994-10-20 1995-09-15 Method of purifying electric precipitator ash using a pressure filter
FI971654A FI971654A (sv) 1994-10-20 1997-04-18 Extrahering av askan från en dammavskiljare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403598A SE504374C2 (sv) 1994-10-20 1994-10-20 Lakning av elfilteraska

Publications (3)

Publication Number Publication Date
SE9403598D0 SE9403598D0 (sv) 1994-10-20
SE9403598L true SE9403598L (sv) 1996-04-21
SE504374C2 SE504374C2 (sv) 1997-01-20

Family

ID=20395690

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403598A SE504374C2 (sv) 1994-10-20 1994-10-20 Lakning av elfilteraska

Country Status (5)

Country Link
US (1) US5911854A (sv)
AU (1) AU3818595A (sv)
FI (1) FI971654A (sv)
SE (1) SE504374C2 (sv)
WO (1) WO1996012847A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9603972D0 (sv) * 1996-10-31 1996-10-31 Kvaerner Pulping Tech Förfarande för framställning av aska bestående huvudsakligen av natriumsulfat från en sodapanna
EP2427598B1 (en) * 2009-05-06 2016-01-06 Valmet Aktiebolag Process for improved leaching of electrostatic precipitator ash from a recovery boiler
US8246779B2 (en) * 2009-09-24 2012-08-21 Noram Engineering And Constructors Ltd. Maintenance of sulfur concentration in Kraft pulp processes
EP3228743A1 (en) 2016-04-05 2017-10-11 L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Selective removal of k+ and cl- from recovery boiler electrostatic precipitator ashes in a kraft process
FR3072396B1 (fr) 2017-10-12 2019-11-08 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Methode de traitement des cendres d'electrofiltres de la chaudiere de recuperation dans un procede kraft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833462A (en) * 1971-03-15 1974-09-03 Mac Millan Bloedel Ltd Process of removing sodium chloride from kraft pulping process chemical recovery systems
SE463771C (sv) * 1985-05-02 1998-09-30 Caustec Ab Anordning och förfarande för separering av vitlut, mesa och eventuellt slam varvid användes ett roterande skivfilter
US5352332A (en) * 1991-01-28 1994-10-04 Maples Gerald E Process for recycling bleach plant filtrate

Also Published As

Publication number Publication date
FI971654A0 (sv) 1997-04-18
FI971654A (sv) 1997-04-18
SE504374C2 (sv) 1997-01-20
SE9403598D0 (sv) 1994-10-20
WO1996012847A1 (en) 1996-05-02
US5911854A (en) 1999-06-15
AU3818595A (en) 1996-05-15

Similar Documents

Publication Publication Date Title
ATE135250T1 (de) Methode und vorrichtung zum filtrieren von aufschlämmungen
ES2127213T3 (es) Filtracion y fijacion combinadas de metales pesados.
ATE197286T1 (de) Verfahren zur reinigung von gülle
ES2011409A6 (es) Aparato de filtrado autolimpiador.
DK0946248T3 (da) Filter med modstrømsrensning
DE3065690D1 (en) Method of cleaning a filter press and filter press
NO160284C (no) Filter, saerlig luftfilter.
SE9403598L (sv) Lakning av elfilteraska
DE3060486D1 (en) Process for converting residues from the purification of phosphoric acid by extraction into solid waste products suitable for deposition
GB1371113A (en) Method of collecting sludge from waste water used in washing of gases from metallurgical processes
JPS5528715A (en) Dehydration method of digested sludge
DE59101360D1 (de) Verfahren und Vorrichtung zur Reinigung und Reinhaltung von Wasser.
KR940009067A (ko) 제당공정의 폐기물인 소석회를 재생하는 방법
FR2397367A1 (fr) Installation de filtration
SE8207376D0 (sv) Forfarande vid avskiljning av i vetska suspenderade katalysatorpartiklar
IT1253446B (it) Procedimento di filtrazione di acque torbide naturali ed apparecchiature per effettuare il procedimento
RU93051906A (ru) Способ очистки ртути от примесей
ES8407295A1 (es) Procedimiento y dispositivo para separar un solido de un liquido en el que se encuentra en suspension
ES2093825T3 (es) Filtracion de liquidos e incineracion.
RU93004402A (ru) Способ фильтрации жидкости и устройство для его осуществления
IT8224472A0 (it) Filtro in tessuto per la depurazione di gas carichi di polvere mediante filtrazione su elementi filtranti.
SU1188956A1 (ru) Способ сгущения суспензий и аппарат для его осуществления
IT1192556B (it) Procedimento e dispositivo per la depurazione di acqua sudicia
FR2418200A1 (fr) Procede et installation pour l'epuration des eaux usees
FR2612420B1 (fr) Procede et installation de regulation de la vitesse de filtration dans un bassin a lit filtrant, notamment pour le traitement des eaux domestiques

Legal Events

Date Code Title Description
NUG Patent has lapsed