ES356249A1 - Procedimiento para disminuir la produccion de lodo en exce-so en instalaciones de cienos activados para la depuracion de aguas residuales. - Google Patents

Procedimiento para disminuir la produccion de lodo en exce-so en instalaciones de cienos activados para la depuracion de aguas residuales.

Info

Publication number: ES356249A1
Authority: ES; Spain
Prior art keywords: production; wastewater; purification; reducing; sludge
Prior art date: 1967-07-21
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

ES356249A

Other languages

English (en)

Spanish (es)

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

Farbwerke 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.)

1967-07-21

Filing date

1968-07-17

Publication date

1970-04-01

1968-07-17 Application filed by Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG

1970-04-01 Publication of ES356249A1 publication Critical patent/ES356249A1/es

Status Expired legal-status Critical Current

Links

239000010802 sludge Substances 0.000 title abstract 4
238000004519 manufacturing process Methods 0.000 title abstract 3
239000002351 wastewater Substances 0.000 title abstract 2
238000000034 method Methods 0.000 title 1
238000000746 purification Methods 0.000 title 1
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
239000000645 desinfectant Substances 0.000 abstract 2
IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 abstract 1
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
239000003242 anti bacterial agent Substances 0.000 abstract 1
229940088710 antibiotic agent Drugs 0.000 abstract 1
150000001875 compounds Chemical class 0.000 abstract 1
WDQNIWFZKXZFAY-UHFFFAOYSA-M fentin acetate Chemical compound CC([O-])=O.C1=CC=CC=C1[Sn+](C=1C=CC=CC=1)C1=CC=CC=C1 WDQNIWFZKXZFAY-UHFFFAOYSA-M 0.000 abstract 1
239000012535 impurity Substances 0.000 abstract 1
-1 potassium cyanide Chemical compound 0.000 abstract 1
NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 abstract 1

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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment

Landscapes

Life Sciences & Earth Sciences (AREA)
Microbiology (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Biodiversity & Conservation Biology (AREA)
Activated Sludge Processes (AREA)
Treatment Of Sludge (AREA)

ES356249A 1967-07-21 1968-07-17 Procedimiento para disminuir la produccion de lodo en exce-so en instalaciones de cienos activados para la depuracion de aguas residuales. Expired ES356249A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1967F0053021 DE1280764B (de)	1967-07-21	1967-07-21	Verfahren zum Vermindern der UEberschussschlammproduktion in Belebtschlammanlagen fuer Abwasserreinigung

Publications (1)

Publication Number	Publication Date
ES356249A1 true ES356249A1 (es)	1970-04-01

Family

ID=7105930

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES356249A Expired ES356249A1 (es)	1967-07-21	1968-07-17	Procedimiento para disminuir la produccion de lodo en exce-so en instalaciones de cienos activados para la depuracion de aguas residuales.

Country Status (7)

Country	Link
AT (1)	AT284028B (de)
CH (1)	CH507163A (de)
DE (1)	DE1280764B (de)
ES (1)	ES356249A1 (de)
FR (1)	FR1579720A (de)
GB (1)	GB1221550A (de)
NL (1)	NL6810273A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1638895A2 (de) *	2003-06-20	2006-03-29	Rhodia UK Limited	Entkoppelnde mittel
EP1758825B1 (de) *	2004-06-21	2008-10-29	Rhodia UK Limited	Schlammqualitätsverbesserung
JP4626286B2 (ja) *	2004-12-09	2011-02-02	国立大学法人豊橋技術科学大学	余剰汚泥の発生抑制方法
GB2421239B (en) *	2004-12-20	2010-06-23	Rhodia Uk Ltd	Treatment of sewage sludge

1967
- 1967-07-21 DE DE1967F0053021 patent/DE1280764B/de active Pending
1968
- 1968-07-17 ES ES356249A patent/ES356249A1/es not_active Expired
- 1968-07-18 CH CH1072668A patent/CH507163A/de not_active IP Right Cessation
- 1968-07-19 AT AT698168A patent/AT284028B/de not_active IP Right Cessation
- 1968-07-19 FR FR1579720D patent/FR1579720A/fr not_active Expired
- 1968-07-19 NL NL6810273A patent/NL6810273A/xx unknown
- 1968-07-22 GB GB3497168A patent/GB1221550A/en not_active Expired

Also Published As

Publication number	Publication date
FR1579720A (de)	1969-08-29
CH507163A (de)	1971-05-15
NL6810273A (de)	1969-01-23
AT284028B (de)	1970-08-25
GB1221550A (en)	1971-02-03
DE1280764B (de)	1968-10-17

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