ES2178593A1 - Procedimiento de secado de fangos de depuradora y coagulante-floculante para la realizacion del mismo. - Google Patents
Procedimiento de secado de fangos de depuradora y coagulante-floculante para la realizacion del mismo.Info
- Publication number
- ES2178593A1 ES2178593A1 ES200100323A ES200100323A ES2178593A1 ES 2178593 A1 ES2178593 A1 ES 2178593A1 ES 200100323 A ES200100323 A ES 200100323A ES 200100323 A ES200100323 A ES 200100323A ES 2178593 A1 ES2178593 A1 ES 2178593A1
- Authority
- ES
- Spain
- Prior art keywords
- silt
- coagulant
- coagulation
- weight
- parts
- 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.)
- Granted
Links
- 239000000701 coagulant Substances 0.000 title abstract 4
- 230000015271 coagulation Effects 0.000 title abstract 3
- 238000005345 coagulation Methods 0.000 title abstract 3
- 238000001914 filtration Methods 0.000 title abstract 3
- 238000001035 drying Methods 0.000 title abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 239000000920 calcium hydroxide Substances 0.000 abstract 2
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000004113 Sepiolite Substances 0.000 abstract 1
- 229910021536 Zeolite Inorganic materials 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 abstract 1
- 230000016615 flocculation Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052624 sepiolite Inorganic materials 0.000 abstract 1
- 235000019355 sepiolite Nutrition 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 abstract 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
"Procedimiento de secado de fangos de depuradora y coagulante- floculante para la realización del mismo". Comprende someter los fangos a coagulación mediante adición a los lodos de coagulante; floculación con polilectrolito; filtrado de los fangos en unos medios de filtración; y eventualmente, secado térmico de los fangos. Durante las fases de coagulación y/o floculación se añade un compuesto formado por entre 20 y 40 partes en peso de policloruro de aluminio o sal equivalente; entre 30 y 60 partes en peso de sulfato cálcico; entre 12 y 30 partes en peso de hidróxido cálcico; entre 5 y 15 partes en peso de portlandita; y entre 5 y 20 partes en peso de un silicato hidratado de aluminio, tal como zeolita o sepiolita. De particular aplicación en los lodos procedentes de estaciones depuradoras de aguas residuales urbanas e industriales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200100323A ES2178593B1 (es) | 2001-02-07 | 2001-02-07 | Procedimiento de secado de fangos de depuradora y coagulante-floculante para la realizacion del mismo. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200100323A ES2178593B1 (es) | 2001-02-07 | 2001-02-07 | Procedimiento de secado de fangos de depuradora y coagulante-floculante para la realizacion del mismo. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2178593A1 true ES2178593A1 (es) | 2002-12-16 |
| ES2178593B1 ES2178593B1 (es) | 2004-08-16 |
Family
ID=8496715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200100323A Expired - Fee Related ES2178593B1 (es) | 2001-02-07 | 2001-02-07 | Procedimiento de secado de fangos de depuradora y coagulante-floculante para la realizacion del mismo. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2178593B1 (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2452938A1 (es) * | 2012-10-03 | 2014-04-03 | Ecopat 38, S.L. | Coagulante para clarificacion de aguas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0551061A1 (en) * | 1991-12-12 | 1993-07-14 | Kemira Kemi Aktiebolag | Process for the preparation of a coagulating chemical |
| WO1999036365A1 (es) * | 1998-01-16 | 1999-07-22 | Aska Internacional De Aguas, S.A. | Nuevo floculante para el tratamiento del agua residual |
-
2001
- 2001-02-07 ES ES200100323A patent/ES2178593B1/es not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0551061A1 (en) * | 1991-12-12 | 1993-07-14 | Kemira Kemi Aktiebolag | Process for the preparation of a coagulating chemical |
| WO1999036365A1 (es) * | 1998-01-16 | 1999-07-22 | Aska Internacional De Aguas, S.A. | Nuevo floculante para el tratamiento del agua residual |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2452938A1 (es) * | 2012-10-03 | 2014-04-03 | Ecopat 38, S.L. | Coagulante para clarificacion de aguas |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2178593B1 (es) | 2004-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EC2A | Search report published |
Date of ref document: 20021216 Kind code of ref document: A1 |
|
| FG2A | Definitive protection |
Ref document number: 2178593B1 Country of ref document: ES |
|
| FD2A | Announcement of lapse in spain |
Effective date: 20110706 |