IT1116481B - Procedimento per il recupero di residui solidi da fanghi di scarico trattati con calce - Google Patents

Procedimento per il recupero di residui solidi da fanghi di scarico trattati con calce

Info

Publication number
IT1116481B
IT1116481B IT48698/79A IT4869879A IT1116481B IT 1116481 B IT1116481 B IT 1116481B IT 48698/79 A IT48698/79 A IT 48698/79A IT 4869879 A IT4869879 A IT 4869879A IT 1116481 B IT1116481 B IT 1116481B
Authority
IT
Italy
Prior art keywords
lime
recovery
procedure
solid residues
wastewater treated
Prior art date
Application number
IT48698/79A
Other languages
English (en)
Other versions
IT7948698A0 (it
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of IT7948698A0 publication Critical patent/IT7948698A0/it
Application granted granted Critical
Publication of IT1116481B publication Critical patent/IT1116481B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • 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
    • 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
    • Y10S210/901—Specified land fill feature, e.g. prevention of ground water fouling

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)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT48698/79A 1978-04-18 1979-04-11 Procedimento per il recupero di residui solidi da fanghi di scarico trattati con calce IT1116481B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/897,474 US4160731A (en) 1978-04-18 1978-04-18 Process for dewatering sewage sludges disinfected with lime

Publications (2)

Publication Number Publication Date
IT7948698A0 IT7948698A0 (it) 1979-04-11
IT1116481B true IT1116481B (it) 1986-02-10

Family

ID=25407952

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48698/79A IT1116481B (it) 1978-04-18 1979-04-11 Procedimento per il recupero di residui solidi da fanghi di scarico trattati con calce

Country Status (10)

Country Link
US (1) US4160731A (it)
DD (1) DD142960A5 (it)
DE (1) DE2914053A1 (it)
FR (1) FR2423449A1 (it)
HU (1) HU178415B (it)
IT (1) IT1116481B (it)
NL (1) NL7903041A (it)
NO (1) NO791271L (it)
SE (1) SE7903346L (it)
ZA (1) ZA791550B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1196593A (en) * 1981-12-18 1985-11-12 William C. Foshee Coal liquor clarification with water-soluble, high molecular weight polymers having low concentration of cationic moieties
US5028272A (en) * 1982-02-08 1991-07-02 Ashland Oil, Inc. Inhibiting leaching of metals from catalysts and sorbents and compositions and methods therefor
BE900896A (nl) * 1984-10-25 1985-02-15 Neef Dirk De Werkwijze voor het konsolideren van afvalslib.
GB8512937D0 (en) * 1985-05-22 1985-06-26 Allied Colloids Ltd Water treatment
GB8519107D0 (en) * 1985-07-29 1985-09-04 Allied Colloids Ltd Flocculation process
US5534186A (en) * 1993-12-15 1996-07-09 Gel Sciences, Inc. Gel-based vapor extractor and methods
US5681481A (en) * 1995-05-18 1997-10-28 Rdp Company Process and apparatus for liquid sludge stabilization
GB0522039D0 (en) * 2005-10-28 2005-12-07 Thames Water Utilities Sludge treatment
WO2008058973A1 (fr) * 2006-11-14 2008-05-22 S.A. Lhoist Recherche Et Developpement Procédé de traitement de boues

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943114A (en) * 1969-06-11 1976-03-09 The Lubrizol Corporation Polymers of N-aminoalkyl acrylamides
US3897333A (en) * 1971-02-24 1975-07-29 Allied Colloids Mfg Flocculating agents
US3752760A (en) * 1972-03-09 1973-08-14 Calgon Corp Silt removal
NL7309742A (it) * 1972-07-24 1974-01-28
US4028238A (en) * 1975-11-03 1977-06-07 Dart Industries Inc. Treatment of municipal waste sludges

Also Published As

Publication number Publication date
HU178415B (en) 1982-05-28
FR2423449A1 (fr) 1979-11-16
DE2914053A1 (de) 1979-10-31
US4160731A (en) 1979-07-10
IT7948698A0 (it) 1979-04-11
DD142960A5 (de) 1980-07-23
SE7903346L (sv) 1979-10-19
NO791271L (no) 1979-10-19
NL7903041A (nl) 1979-10-22
ZA791550B (en) 1980-07-30

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