FR2239428A1 - - Google Patents

Info

Publication number
FR2239428A1
FR2239428A1 FR7427661A FR7427661A FR2239428A1 FR 2239428 A1 FR2239428 A1 FR 2239428A1 FR 7427661 A FR7427661 A FR 7427661A FR 7427661 A FR7427661 A FR 7427661A FR 2239428 A1 FR2239428 A1 FR 2239428A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7427661A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hercules LLC
Original Assignee
Hercules LLC
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 Hercules LLC filed Critical Hercules LLC
Publication of FR2239428A1 publication Critical patent/FR2239428A1/fr
Withdrawn legal-status Critical Current

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
    • C02F1/54—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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances

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)
  • Treatment Of Sludge (AREA)
FR7427661A 1973-08-02 1974-08-02 Withdrawn FR2239428A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38488073A 1973-08-02 1973-08-02
US40269673A 1973-10-02 1973-10-02

Publications (1)

Publication Number Publication Date
FR2239428A1 true FR2239428A1 (enrdf_load_stackoverflow) 1975-02-28

Family

ID=27010799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427661A Withdrawn FR2239428A1 (enrdf_load_stackoverflow) 1973-08-02 1974-08-02

Country Status (7)

Country Link
JP (1) JPS5050270A (enrdf_load_stackoverflow)
BE (1) BE818436A (enrdf_load_stackoverflow)
FI (1) FI200074A7 (enrdf_load_stackoverflow)
FR (1) FR2239428A1 (enrdf_load_stackoverflow)
GB (1) GB1445218A (enrdf_load_stackoverflow)
IT (1) IT1025033B (enrdf_load_stackoverflow)
SE (1) SE7409774L (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382864A (en) * 1980-08-08 1983-05-10 Kurita Water Industries Ltd. Process for dewatering sludges
SU994444A1 (ru) * 1980-10-15 1983-02-07 Управление Водопроводно-Канализационного Хозяйства "Водоканал" Исполнительного Комитета Ленинградского Городского Совета Народных Депутатов Способ кондиционировани осадков сточных вод
US4396513A (en) * 1981-09-08 1983-08-02 Betz Laboratories, Inc. Use of very high charge cationic polymers in biological sludge dewatering

Also Published As

Publication number Publication date
IT1025033B (it) 1978-08-10
AU7187574A (en) 1976-02-05
JPS5050270A (enrdf_load_stackoverflow) 1975-05-06
FI200074A7 (enrdf_load_stackoverflow) 1975-02-13
BE818436A (fr) 1974-12-02
SE7409774L (enrdf_load_stackoverflow) 1975-02-03
GB1445218A (en) 1976-08-04

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Legal Events

Date Code Title Description
ST Notification of lapse