IT1244694B - Procedimento perfezionato per la depurazione di acque - Google Patents

Procedimento perfezionato per la depurazione di acque

Info

Publication number
IT1244694B
IT1244694B ITMI910238A IT1244694B IT 1244694 B IT1244694 B IT 1244694B IT MI910238 A ITMI910238 A IT MI910238A IT 1244694 B IT1244694 B IT 1244694B
Authority
IT
Italy
Prior art keywords
water purification
oxidation phase
process perfected
compound
perfected
Prior art date
Application number
Other languages
English (en)
Inventor
Elia Mauro D
Antonio Isolati
Original Assignee
Prodeco Spa
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 Prodeco Spa filed Critical Prodeco Spa
Priority to IT91MI238 priority Critical patent/IT1244694B/it
Publication of ITMI910238A0 publication Critical patent/ITMI910238A0/it
Priority to DE69200187T priority patent/DE69200187T2/de
Priority to EP19920200217 priority patent/EP0497419B1/en
Priority to CA 2060365 priority patent/CA2060365A1/en
Publication of ITMI910238A1 publication Critical patent/ITMI910238A1/it
Application granted granted Critical
Publication of IT1244694B publication Critical patent/IT1244694B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

L'aggiunta di un composto del ferro trivalente al liquame da trattare a monte della fase di ossidazione e di un composto polimerico di alluminio al fango attivo di ricircolo alla stessa fase di ossidazione determina effetti benefici sull'abbattimento simultaneo del fosforo e dell'azoto.
IT91MI238 1991-01-31 1991-01-31 Procedimento perfezionato per la depurazione di acque IT1244694B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT91MI238 IT1244694B (it) 1991-01-31 1991-01-31 Procedimento perfezionato per la depurazione di acque
DE69200187T DE69200187T2 (de) 1991-01-31 1992-01-27 Verbessertes Verfahren für Wasserreinigung.
EP19920200217 EP0497419B1 (en) 1991-01-31 1992-01-27 Improved process for water purification
CA 2060365 CA2060365A1 (en) 1991-01-31 1992-01-30 Process for water purification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT91MI238 IT1244694B (it) 1991-01-31 1991-01-31 Procedimento perfezionato per la depurazione di acque

Publications (3)

Publication Number Publication Date
ITMI910238A0 ITMI910238A0 (it) 1991-01-31
ITMI910238A1 ITMI910238A1 (it) 1992-07-31
IT1244694B true IT1244694B (it) 1994-08-08

Family

ID=11358350

Family Applications (1)

Application Number Title Priority Date Filing Date
IT91MI238 IT1244694B (it) 1991-01-31 1991-01-31 Procedimento perfezionato per la depurazione di acque

Country Status (4)

Country Link
EP (1) EP0497419B1 (it)
CA (1) CA2060365A1 (it)
DE (1) DE69200187T2 (it)
IT (1) IT1244694B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729653B1 (fr) * 1995-01-20 1998-04-24 Atochem Elf Sa Procede de dephosphatation ameliore des eaux residuaires
CN111995053B (zh) * 2020-08-24 2022-01-28 哈尔滨工业大学 一种基于粉末状镧基吸附剂同步强化生物化学除磷的a/a/o系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838864A1 (de) * 1988-11-17 1990-05-31 Giulini Chemie Verfahren zur ausfaellung und flockung von geloesten wasser- und abwasserinhaltsstoffen sowie schwebstoffen bei der wasseraufbereitung

Also Published As

Publication number Publication date
EP0497419B1 (en) 1994-06-15
CA2060365A1 (en) 1992-08-01
ITMI910238A0 (it) 1991-01-31
DE69200187D1 (de) 1994-07-21
EP0497419A1 (en) 1992-08-05
ITMI910238A1 (it) 1992-07-31
DE69200187T2 (de) 1994-10-06

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Legal Events

Date Code Title Description
0001 Granted