ATE110700T1 - Abwasserbehandlung unter verwendung eines kreislaufes von hochdichtem schlamm. - Google Patents

Abwasserbehandlung unter verwendung eines kreislaufes von hochdichtem schlamm.

Info

Publication number
ATE110700T1
ATE110700T1 AT91903159T AT91903159T ATE110700T1 AT E110700 T1 ATE110700 T1 AT E110700T1 AT 91903159 T AT91903159 T AT 91903159T AT 91903159 T AT91903159 T AT 91903159T AT E110700 T1 ATE110700 T1 AT E110700T1
Authority
AT
Austria
Prior art keywords
particles
alkaline
recycle
treated
solids
Prior art date
Application number
AT91903159T
Other languages
English (en)
Inventor
Thomas H Wentzler
Surendra K Mishra
Roger N Kust
E Stuart Savage
Original Assignee
Tetra 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 Tetra Tech filed Critical Tetra Tech
Application granted granted Critical
Publication of ATE110700T1 publication Critical patent/ATE110700T1/de

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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/12—Inert solids used as ballast for improving sedimentation
    • 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
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
AT91903159T 1990-03-05 1990-11-30 Abwasserbehandlung unter verwendung eines kreislaufes von hochdichtem schlamm. ATE110700T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07488643 US5039428B1 (en) 1990-03-05 1990-03-05 Waste water treatment process using improved recycle of high density sludge

Publications (1)

Publication Number Publication Date
ATE110700T1 true ATE110700T1 (de) 1994-09-15

Family

ID=23940525

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91903159T ATE110700T1 (de) 1990-03-05 1990-11-30 Abwasserbehandlung unter verwendung eines kreislaufes von hochdichtem schlamm.

Country Status (11)

Country Link
US (1) US5039428B1 (de)
EP (1) EP0518871B1 (de)
JP (1) JP3241374B2 (de)
AT (1) ATE110700T1 (de)
AU (1) AU648059B2 (de)
CA (1) CA2077460C (de)
DE (1) DE69012148T2 (de)
DK (1) DK0518871T3 (de)
ES (1) ES2059116T3 (de)
NO (1) NO301636B1 (de)
WO (1) WO1991013833A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122279A (en) * 1991-04-08 1992-06-16 Romar Technologies Inc. Ferrous dithionite process and compositions for removing dissolved heavy metals from water
US5462670A (en) * 1991-04-08 1995-10-31 Romar Technologies, Inc. Process for removing oils and greases from aqueous solution
US5976383A (en) * 1991-04-08 1999-11-02 Romar Technologies, Inc. Recycle process for removing dissolved heavy metals from water with aluminum particles
DE69209067T2 (de) * 1991-05-29 1996-10-31 Hoefer, Dawn Annette, Gidgegannup, W.A. Verfahren und anlage zur batch-verarbeitung
US5403495A (en) * 1992-03-13 1995-04-04 Tetra Technologies, Inc. Fluoride removal system
SE508836C2 (sv) * 1993-04-20 1998-11-09 Boliden Contech Ab Förfarande för rening av industriellt avloppsvatten genom utfällning i två steg
US5447603A (en) * 1993-07-09 1995-09-05 The Dow Chemical Company Process for removing metal ions from liquids
US5443622A (en) * 1994-02-28 1995-08-22 Kennecott Corporation Hydrometallurgical processing of impurity streams generated during the pyrometallurgy of copper
US5616168A (en) * 1994-02-28 1997-04-01 Kennecott Utah Copper Corporation Hydrometallurgical processing of impurity streams generated during the pyrometallurgy of copper
US5540836A (en) * 1994-06-16 1996-07-30 Coyne; Thomas J. Wastewater treatment system and method
US5518633A (en) * 1994-10-21 1996-05-21 E. I. Du Pont De Nemours And Company Process for treating aqueous media containing metal ions
US6270679B1 (en) 1995-05-19 2001-08-07 Lawrence Kreisler Method for recovering and separating metals from waste streams
US5753125A (en) * 1995-05-19 1998-05-19 Kreisler; Lawrence Method for recovering and separating metals from waste streams
US6274045B1 (en) 1995-05-19 2001-08-14 Lawrence Kreisler Method for recovering and separating metals from waste streams
US6010624A (en) * 1998-03-23 2000-01-04 Larsen; Paul Contaminated sediment treatment process
FR2801878B1 (fr) * 1999-12-03 2002-02-22 Degremont Procede et installation de clarification des liquides et suspensions par floculation lestee et decantation
US6890431B1 (en) 2000-02-18 2005-05-10 The F. B. Leopold Co., Inc. Buoyant media flotation
EP1330414B9 (de) 2000-11-02 2011-09-28 Veolia Water Solutions & Technologies Support Verfahren zur behandlung von wasser und abwasser
US6964737B2 (en) * 2002-06-14 2005-11-15 Duke University Systems for water and wastewater sludge treatment using floc or network strength
US20040149661A1 (en) * 2003-01-24 2004-08-05 United States Filter Corporation Effect of cations on activated sludge characteristics
US20050194323A1 (en) * 2004-03-04 2005-09-08 U.S. Filter/Scaltech, Inc. System and method for recovering oil from a waste stream
KR100926915B1 (ko) * 2004-04-26 2009-11-17 미쓰비시 마테리알 가부시키가이샤 폐수 처리방법 및 폐수 처리장치
US20060188427A1 (en) * 2005-02-04 2006-08-24 Kappes Daniel W Apparatus and methods for reaction of limestone with sulfate solution
US7695630B2 (en) * 2005-11-15 2010-04-13 De Guevara Cesar Ladron Process for conditioning an aqueous solution for efficient colloidal precipitation
US20090246115A1 (en) * 2006-01-27 2009-10-01 Kappers Daniel W Process for reaction of limestone with sulfate solution
US7758758B2 (en) * 2006-03-01 2010-07-20 Noram Engineering And Constructors Ltd. Method for treating acidic waters using recycled acidic and basic sludges
US7641801B2 (en) * 2007-02-28 2010-01-05 Vale Inco Limited Method for removing manganese from nickel laterite waste liquors
CN103796960B (zh) * 2011-07-19 2016-11-16 新加坡国立大学 在活性污泥法中利用天然固体添加剂的废水处理
WO2013142022A1 (en) 2012-03-23 2013-09-26 Kennecott Utah Copper Llc Process for the conversion of molybdenite to molybdenum oxide
CN104925986B (zh) * 2015-04-21 2017-01-04 浙江正境环保科技有限公司 钢材行业酸洗废液及冲洗废水近零排放处理系统及其工艺
SG11201809936RA (en) * 2016-06-02 2018-12-28 Evoqua Water Tech Llc Treatment of high peroxide waste streams

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575853A (en) * 1968-12-24 1971-04-20 Lab Betz Inc Waste water treatment
US3617559A (en) * 1970-04-30 1971-11-02 Us Interior Neutralization of ferrous iron-containing acid wastes
US3738932A (en) * 1971-04-19 1973-06-12 Bethlehem Steel Corp Method for treating acid water containing metallic values
US4186088A (en) * 1978-02-13 1980-01-29 Scm Corporation Aqueous ferrous waste conversion process
SE452307B (sv) * 1983-09-12 1987-11-23 Boliden Ab Forfarande for rening av fororenade vattenlosningar innehallande arsenik och/eller fosfor
US4606829A (en) * 1984-06-13 1986-08-19 Bethlehem Steel Corporation Removal of complexed zinc-cyanide from wastewater with improved sludge stability
US4728438A (en) * 1985-12-27 1988-03-01 Union Oil Company Of California Process for reducing the concentration of suspended solids in clarified geothermal brine
GB2216114A (en) * 1988-03-30 1989-10-04 Stig Arvid Henrikson A continuous chemical precipitation process for water using lime

Also Published As

Publication number Publication date
DE69012148D1 (de) 1994-10-06
DE69012148T2 (de) 1995-01-05
NO923470L (no) 1992-09-04
NO301636B1 (no) 1997-11-24
AU648059B2 (en) 1994-04-14
US5039428B1 (en) 1994-04-12
CA2077460C (en) 2001-10-23
EP0518871A1 (de) 1992-12-23
JPH05504910A (ja) 1993-07-29
WO1991013833A1 (en) 1991-09-19
CA2077460A1 (en) 1991-09-06
NO923470D0 (no) 1992-09-04
DK0518871T3 (da) 1994-11-14
ES2059116T3 (es) 1994-11-01
JP3241374B2 (ja) 2001-12-25
US5039428A (en) 1991-08-13
AU7075191A (en) 1991-10-10
EP0518871B1 (de) 1994-08-31

Similar Documents

Publication Publication Date Title
US5039428B1 (en) Waste water treatment process using improved recycle of high density sludge
DE69422397D1 (de) Vorrichtung zur behandlung von abwasser
KR850002821A (ko) 둘의 부분으로 되는 수중 고체폐물류의 무산소발효방법과 그 장치
GB2004859A (en) Method and apparatus for the treatment of sludge water
ATE201072T1 (de) Verfahren zur behandlung von abfallsuspensionen
GR3005515T3 (de)
ATE127144T1 (de) Verfahren und einrichtung für die thermolyse von industrie- und/oder haushaltsmüll.
DE59600040D1 (de) Verfahren und Vorrichtung zur Aufbereitung von Faserbestandteile und Fremdbestandteile enthaltenden Faserstoffen, insbesondere von Alt-Mineralwolle
DE69301180D1 (de) Verfahren zur Verarbeitung von Abfällen aus dem Garten von Gemüsen und Früchten
ATE264405T1 (de) Vorrichtung und verfahren zur entfernung von krätze mit erhöhter zinkausbeute aus einem zinkschmelze enthaltenden gefäss
ATE53516T1 (de) Verfahren und vorrichtung zur schlackenaufbereitung.
DE59706235D1 (de) Verfahren zum aufarbeiten von müll sowie vorrichtung zur durchführung dieses verfahrens
DE59103111D1 (de) Verfahren und Vorrichtung zur Aufbereitung von Lack-Koagulat.
ATE121649T1 (de) Vorrichtung zum trennen insbesondere ölverschmutzter abfallteile aus stahl oder blech und papier.
DE59700944D1 (de) Verfahren zur Hausmüllbehandlung
FR2737344B1 (fr) Procede de traitement de dechets contenant un ou des alliages hydrurables en vue de leur recyclage
JPH0663944A (ja) 廃プラスチックの分離回収方法
SU1118706A1 (ru) Способ переработки алюминийсодержащих отходов
JPS5726134A (en) Removing method for cyanogen in plating waste liquor or waste water
BR8300506A (pt) Processo e aparelhagem para o tratamento biologico de lamas
ATE189977T1 (de) Verfahren und vorrichtung zum aufbereiten von hausabfällen
SE8003494L (sv) Anordning och forfarande for separation av vissa metaller i losning (serskilt atervinning av verdefulla metallsalter ur industriella avfallsvatten, sasom uttjenta ytbehandlingsbad)
JPS5771653A (en) Removal of sub-micron particle in waste gas

Legal Events

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