IT1086194B - WASTEWATER TREATMENT PROCESS AND PLANT - Google Patents

WASTEWATER TREATMENT PROCESS AND PLANT

Info

Publication number: IT1086194B
Authority: IT; Italy
Prior art keywords: plant; treatment process; wastewater treatment; wastewater; treatment
Prior art date: 1976-05-15

Application number

IT2357877A

Other languages

Italian (it)

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.)

1976-05-15

Filing date

1977-05-13

Publication date

1985-05-28

1976-05-15 Priority claimed from DE2621698A external-priority patent/DE2621698C3/en

1976-08-28 Priority claimed from DE2638910A external-priority patent/DE2638910C2/en

1977-05-13 Application filed by Hoechst Ag filed Critical Hoechst Ag

1985-05-28 Application granted granted Critical

1985-05-28 Publication of IT1086194B publication Critical patent/IT1086194B/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
- 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)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Biodiversity & Conservation Biology (AREA)
Microbiology (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Biological Treatment Of Waste Water (AREA)
Detergent Compositions (AREA)
Treatment Of Water By Ion Exchange (AREA)
Filtration Of Liquid (AREA)
Filtering Materials (AREA)

IT2357877A 1976-05-15 1977-05-13 WASTEWATER TREATMENT PROCESS AND PLANT IT1086194B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE2621698A DE2621698C3 (en)	1976-05-15	1976-05-15	Apparatus and method for purifying waste water
DE2638910A DE2638910C2 (en)	1976-08-28	1976-08-28	Method and device for treating waste water

Publications (1)

Publication Number	Publication Date
IT1086194B true IT1086194B (en)	1985-05-28

Family

ID=25770460

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2357877A IT1086194B (en)	1976-05-15	1977-05-13	WASTEWATER TREATMENT PROCESS AND PLANT

Country Status (16)

Country	Link
JP (1)	JPS52139257A (en)
AT (1)	AT357115B (en)
AU (1)	AU509536B2 (en)
BR (1)	BR7703125A (en)
CA (1)	CA1111158A (en)
CH (1)	CH637905A5 (en)
DK (1)	DK212277A (en)
EG (1)	EG12563A (en)
ES (1)	ES458813A1 (en)
FI (1)	FI771542A (en)
FR (1)	FR2351060A1 (en)
GB (1)	GB1583074A (en)
IT (1)	IT1086194B (en)
NL (1)	NL7705328A (en)
NO (1)	NO771696L (en)
SE (1)	SE7705632L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2439036A1 (en) *	1978-10-19	1980-05-16	Caviem	Clarifier for water contg. mineral wastes - has feed box mixing in flocculant and filtration tank with detachable filter
JPS55129192A (en) *	1979-03-23	1980-10-06	Hoechst Ag	Method and device for purifying waste water
CH660588A5 (en) *	1982-10-26	1987-05-15	Sulzer Ag	METHOD FOR REMOVING DYE, PIGMENT AND / OR OPTICAL BRIGHTENER FROM SEWAGE.
JPH0688037B2 (en) *	1983-08-03	1994-11-09	栗田工業株式会社	How to treat human waste
JPS6094408A (en) *	1983-10-28	1985-05-27	Sumitomo Chem Co Ltd	Treatment of polymer slurry
WO1988003048A1 (en) *	1986-10-29	1988-05-05	Merai Josef	Process and installation for dewatering waste water sludge
JPH02164499A (en) *	1988-12-15	1990-06-25	Nkk Corp	Treatment of organic waste water
FR2648309B1 (en) *	1989-06-16	1991-12-27	So Ge Val Sa	PROCESS FOR THE TREATMENT OF PIG HOLDERS AS WELL AS INSTALLATION ALLOWING THE IMPLEMENTATION OF THIS PROCESS

1977
- 1977-05-11 CH CH587677A patent/CH637905A5/en not_active IP Right Cessation
- 1977-05-13 FR FR7714740A patent/FR2351060A1/en active Granted
- 1977-05-13 SE SE7705632A patent/SE7705632L/en not_active Application Discontinuation
- 1977-05-13 GB GB20294/77A patent/GB1583074A/en not_active Expired
- 1977-05-13 JP JP5449377A patent/JPS52139257A/en active Pending
- 1977-05-13 IT IT2357877A patent/IT1086194B/en active
- 1977-05-13 NO NO771696A patent/NO771696L/en unknown
- 1977-05-13 CA CA278,336A patent/CA1111158A/en not_active Expired
- 1977-05-13 AT AT345977A patent/AT357115B/en not_active IP Right Cessation
- 1977-05-13 BR BR7703125A patent/BR7703125A/en unknown
- 1977-05-13 DK DK212277A patent/DK212277A/en not_active Application Discontinuation
- 1977-05-13 NL NL7705328A patent/NL7705328A/en not_active Application Discontinuation
- 1977-05-14 EG EG28877A patent/EG12563A/en active
- 1977-05-14 ES ES458813A patent/ES458813A1/en not_active Expired
- 1977-05-15 AU AU25172/77A patent/AU509536B2/en not_active Expired
- 1977-05-16 FI FI771542A patent/FI771542A/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
AU2517277A (en)	1978-11-23
CA1111158A (en)	1981-10-20
DK212277A (en)	1977-11-16
FR2351060B1 (en)	1980-03-07
GB1583074A (en)	1981-01-21
FI771542A (en)	1977-11-16
FR2351060A1 (en)	1977-12-09
NL7705328A (en)	1977-11-17
CH637905A5 (en)	1983-08-31
BR7703125A (en)	1978-03-28
AT357115B (en)	1980-06-10
NO771696L (en)	1977-11-16
JPS52139257A (en)	1977-11-21
SE7705632L (en)	1977-11-16
ATA345977A (en)	1979-10-15
AU509536B2 (en)	1980-05-15
ES458813A1 (en)	1978-03-16
EG12563A (en)	1979-03-31

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