GB1583074A - Purification of waste water - Google Patents

Purification of waste water Download PDF

Info

Publication number
GB1583074A
GB1583074A GB20294/77A GB2029477A GB1583074A GB 1583074 A GB1583074 A GB 1583074A GB 20294/77 A GB20294/77 A GB 20294/77A GB 2029477 A GB2029477 A GB 2029477A GB 1583074 A GB1583074 A GB 1583074A
Authority
GB
United Kingdom
Prior art keywords
waste water
solids
filter
biological
sludge
Prior art date
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.)
Expired
Application number
GB20294/77A
Other languages
English (en)
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.)
Hoechst AG
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
Priority claimed from DE2621698A external-priority patent/DE2621698C3/de
Priority claimed from DE2638910A external-priority patent/DE2638910C2/de
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of GB1583074A publication Critical patent/GB1583074A/en
Expired 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating agents
    • 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)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Filtering Materials (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Filtration Of Liquid (AREA)
GB20294/77A 1976-05-15 1977-05-13 Purification of waste water Expired GB1583074A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2621698A DE2621698C3 (de) 1976-05-15 1976-05-15 Vorrichtung und Verfahren zur Reinigung von Abwasser
DE2638910A DE2638910C2 (de) 1976-08-28 1976-08-28 Verfahren und Vorrichtung zum Aufbereiten von Abwässern

Publications (1)

Publication Number Publication Date
GB1583074A true GB1583074A (en) 1981-01-21

Family

ID=25770460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20294/77A Expired GB1583074A (en) 1976-05-15 1977-05-13 Purification of waste water

Country Status (16)

Country Link
JP (1) JPS52139257A (enExample)
AT (1) AT357115B (enExample)
AU (1) AU509536B2 (enExample)
BR (1) BR7703125A (enExample)
CA (1) CA1111158A (enExample)
CH (1) CH637905A5 (enExample)
DK (1) DK212277A (enExample)
EG (1) EG12563A (enExample)
ES (1) ES458813A1 (enExample)
FI (1) FI771542A7 (enExample)
FR (1) FR2351060A1 (enExample)
GB (1) GB1583074A (enExample)
IT (1) IT1086194B (enExample)
NL (1) NL7705328A (enExample)
NO (1) NO771696L (enExample)
SE (1) SE7705632L (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141622A3 (en) * 1983-10-28 1986-09-17 Sumitomo Chemical Company, Limited Recovery of polymer from polymer slurry

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439036A1 (fr) * 1978-10-19 1980-05-16 Caviem Dispositif de clarification des eaux chargees et procede s'y rapportant
JPS55129192A (en) * 1979-03-23 1980-10-06 Hoechst Ag Method and device for purifying waste water
CH660588A5 (de) * 1982-10-26 1987-05-15 Sulzer Ag Verfahren zum entfernen von farbstoffen, pigmenten und/oder optischen aufhellern aus abwaessern.
JPH0688037B2 (ja) * 1983-08-03 1994-11-09 栗田工業株式会社 し尿の処理方法
US5160440A (en) * 1986-10-29 1992-11-03 Josef Merai Procedure for the dewatering of sewage sludge and plant for procedure execution
JPH02164499A (ja) * 1988-12-15 1990-06-25 Nkk Corp 有機性排水の処理方法
FR2648309B1 (fr) * 1989-06-16 1991-12-27 So Ge Val Sa Procede de traitement des lisiers de porcherie ainsi qu'installation permettant la mise en oeuvre de ce procede

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141622A3 (en) * 1983-10-28 1986-09-17 Sumitomo Chemical Company, Limited Recovery of polymer from polymer slurry
US4713444A (en) * 1983-10-28 1987-12-15 Sumitomo Chemical Company, Limited Finishing method of polymer slurry

Also Published As

Publication number Publication date
NL7705328A (nl) 1977-11-17
IT1086194B (it) 1985-05-28
AU2517277A (en) 1978-11-23
EG12563A (en) 1979-03-31
AT357115B (de) 1980-06-10
JPS52139257A (en) 1977-11-21
FR2351060A1 (fr) 1977-12-09
CA1111158A (en) 1981-10-20
CH637905A5 (en) 1983-08-31
ES458813A1 (es) 1978-03-16
FI771542A7 (enExample) 1977-11-16
ATA345977A (de) 1979-10-15
DK212277A (da) 1977-11-16
BR7703125A (pt) 1978-03-28
NO771696L (no) 1977-11-16
AU509536B2 (en) 1980-05-15
FR2351060B1 (enExample) 1980-03-07
SE7705632L (sv) 1977-11-16

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Legal Events

Date Code Title Description
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee