ZA772834B - Improvements in or relating to the purification of waste water - Google Patents

Improvements in or relating to the purification of waste water

Info

Publication number
ZA772834B
ZA772834B ZA00772834A ZA772834A ZA772834B ZA 772834 B ZA772834 B ZA 772834B ZA 00772834 A ZA00772834 A ZA 00772834A ZA 772834 A ZA772834 A ZA 772834A ZA 772834 B ZA772834 B ZA 772834B
Authority
ZA
South Africa
Prior art keywords
purification
relating
waste water
waste
water
Prior art date
Application number
ZA00772834A
Inventor
D Disselbeck
K Ott
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of ZA772834B publication Critical patent/ZA772834B/en

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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/04—Aerobic processes using trickle filters
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Filtering Materials (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
ZA00772834A 1976-05-15 1977-05-12 Improvements in or relating to the purification of waste water ZA772834B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2621698A DE2621698C3 (en) 1976-05-15 1976-05-15 Apparatus and method for purifying waste water

Publications (1)

Publication Number Publication Date
ZA772834B true ZA772834B (en) 1978-04-26

Family

ID=5978085

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00772834A ZA772834B (en) 1976-05-15 1977-05-12 Improvements in or relating to the purification of waste water

Country Status (3)

Country Link
BE (1) BE854634A (en)
DE (1) DE2621698C3 (en)
ZA (1) ZA772834B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756171C2 (en) * 1977-12-16 1979-12-13 Hoechst Ag, 6000 Frankfurt Process for the rehabilitation of wastewater treatment plants which are overloaded during continuous operation and wastewater treatment plant for carrying out such a process
DE2901397A1 (en) * 1979-01-15 1980-07-24 Hoechst Ag THREE-DIMENSIONAL FILTER ELEMENTS FROM A TEXTILE AREA
EP0015321A1 (en) * 1979-03-12 1980-09-17 Hoechst Aktiengesellschaft Process and apparatus for waste water purification
DE2922778C3 (en) * 1979-06-05 1981-12-17 Hoechst Ag, 6000 Frankfurt Process for solid-liquid separation
DE19525853A1 (en) * 1995-07-15 1997-01-16 Passavant Werke Process for separating solid substances carried in waste water

Also Published As

Publication number Publication date
DE2621698B2 (en) 1979-03-01
DE2621698C3 (en) 1979-10-25
DE2621698A1 (en) 1977-11-24
BE854634A (en) 1977-11-14

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