CH643466A5 - Filterhilfsmittel zum entwaessern von suspensionen. - Google Patents
Filterhilfsmittel zum entwaessern von suspensionen. Download PDFInfo
- Publication number
- CH643466A5 CH643466A5 CH565479A CH565479A CH643466A5 CH 643466 A5 CH643466 A5 CH 643466A5 CH 565479 A CH565479 A CH 565479A CH 565479 A CH565479 A CH 565479A CH 643466 A5 CH643466 A5 CH 643466A5
- Authority
- CH
- Switzerland
- Prior art keywords
- sludge
- filter aid
- filter
- layer
- compost
- Prior art date
Links
- 239000000725 suspension Substances 0.000 title claims description 14
- 239000002361 compost Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000010801 sewage sludge Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 2
- 239000010802 sludge Substances 0.000 description 23
- 239000002245 particle Substances 0.000 description 11
- 239000012065 filter cake Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 241000186361 Actinobacteria <class> Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782831384 DE2831384A1 (de) | 1978-07-17 | 1978-07-17 | Filterhilfsmittel zur aufbereitung von suspensionen, insbesondere von kommunal-, industrie- und sonstigen schlaemmen fuer die nachfolgende entwaesserung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH643466A5 true CH643466A5 (de) | 1984-06-15 |
Family
ID=6044605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH565479A CH643466A5 (de) | 1978-07-17 | 1979-06-18 | Filterhilfsmittel zum entwaessern von suspensionen. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4595506A ( ) |
| BE (1) | BE877725A ( ) |
| CA (1) | CA1149297A ( ) |
| CH (1) | CH643466A5 ( ) |
| DE (1) | DE2831384A1 ( ) |
| FR (1) | FR2431319B1 ( ) |
| GB (1) | GB2035113B ( ) |
| IT (1) | IT1122122B ( ) |
| NL (1) | NL7904945A ( ) |
| SE (1) | SE439114B ( ) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3015246A1 (de) * | 1980-04-21 | 1981-10-22 | Gebrüder Weiss KG, 6340 Dillenburg | Verfahren zum kompostieren von kommunalen klaerschlamm |
| DE3721981A1 (de) * | 1987-07-03 | 1989-01-12 | Norddeutsche Seekabelwerke Ag | Verfahren und vorrichtung zur beseitigung von verunreinigungen im boden |
| US4961862A (en) * | 1988-03-22 | 1990-10-09 | Baker Hughes | Amendment addition system and method for twin belt press filter |
| GB2279888A (en) * | 1993-07-16 | 1995-01-18 | Adrian Parnaby | Moving belt press filter |
| US7534304B2 (en) | 1997-04-29 | 2009-05-19 | Whirlpool Corporation | Non-aqueous washing machine and methods |
| US6045588A (en) | 1997-04-29 | 2000-04-04 | Whirlpool Corporation | Non-aqueous washing apparatus and method |
| US7513132B2 (en) | 2003-10-31 | 2009-04-07 | Whirlpool Corporation | Non-aqueous washing machine with modular construction |
| AT5702U3 (de) * | 2002-07-17 | 2003-09-25 | Plasser Bahnbaumasch Franz | Verfahren zur reinigung von schotter eines gleises |
| US7739891B2 (en) | 2003-10-31 | 2010-06-22 | Whirlpool Corporation | Fabric laundering apparatus adapted for using a select rinse fluid |
| US7513004B2 (en) | 2003-10-31 | 2009-04-07 | Whirlpool Corporation | Method for fluid recovery in a semi-aqueous wash process |
| US7695524B2 (en) | 2003-10-31 | 2010-04-13 | Whirlpool Corporation | Non-aqueous washing machine and methods |
| US7300468B2 (en) | 2003-10-31 | 2007-11-27 | Whirlpool Patents Company | Multifunctioning method utilizing a two phase non-aqueous extraction process |
| US20050224099A1 (en) * | 2004-04-13 | 2005-10-13 | Luckman Joel A | Method and apparatus for cleaning objects in an automatic cleaning appliance using an oxidizing agent |
| US20050235716A1 (en) * | 2004-04-23 | 2005-10-27 | Devine Alice A | Manufactured soil |
| US7837741B2 (en) | 2004-04-29 | 2010-11-23 | Whirlpool Corporation | Dry cleaning method |
| SE527884C2 (sv) * | 2004-05-10 | 2006-07-04 | Arne Lindahl | Förfarande för vätskeutdrivning från suspensioner |
| US7966684B2 (en) | 2005-05-23 | 2011-06-28 | Whirlpool Corporation | Methods and apparatus to accelerate the drying of aqueous working fluids |
| US20060260064A1 (en) * | 2005-05-23 | 2006-11-23 | Luckman Joel A | Methods and apparatus for laundering with aqueous and non-aqueous working fluid |
| US20100213123A1 (en) * | 2007-01-09 | 2010-08-26 | Marston Peter G | Ballasted sequencing batch reactor system and method for treating wastewater |
| US20110036771A1 (en) * | 2007-01-09 | 2011-02-17 | Steven Woodard | Ballasted anaerobic system and method for treating wastewater |
| WO2008086009A1 (en) | 2007-01-09 | 2008-07-17 | Cambridge Water Technology, Inc. | A system and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water |
| US8470172B2 (en) | 2007-01-09 | 2013-06-25 | Siemens Industry, Inc. | System for enhancing a wastewater treatment process |
| US8061057B2 (en) * | 2007-07-03 | 2011-11-22 | Hydrocell Technologies | Waste treatment system |
| US8196311B2 (en) | 2008-10-22 | 2012-06-12 | Hydrocell Technologies | Waste treatment system |
| US20110084029A1 (en) * | 2009-10-08 | 2011-04-14 | Dominick O' Reilly | Waste treatment system |
| US20110089097A1 (en) * | 2009-10-19 | 2011-04-21 | O'reilly Dominick | Attachment and system for dewatering material |
| US20110094395A1 (en) * | 2009-10-26 | 2011-04-28 | O'reilly Dominick | Method and attachment for dewatering logs |
| EP2858954A1 (en) | 2012-06-11 | 2015-04-15 | Evoqua Water Technologies LLC | Treatment using fixed film processes and ballasted settling |
| CA2881703C (en) | 2012-09-26 | 2020-12-22 | Evoqua Water Technologies Llc | System for measuring the concentration of magnetic ballast in a slurry |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE88519C ( ) * | ||||
| CH171030A (de) * | 1933-10-25 | 1934-08-15 | Meyer August | Filter mit kleinstückiger Filtermasse. |
| US2101042A (en) * | 1935-01-23 | 1937-12-07 | Canadian Locomotive Company Lt | Method of and apparatus for treating materials |
| FR1188812A (fr) * | 1957-12-19 | 1959-09-25 | Procédé pour la déshydratation des boues de décantation | |
| DE1206861B (de) * | 1960-04-08 | 1965-12-16 | Metallgesellschaft Ag | Vorrichtung zur kontinuierlichen Dosierung von Flockungsmitteln |
| NL286031A ( ) * | 1961-11-30 | |||
| US3325016A (en) * | 1964-08-18 | 1967-06-13 | Babcock & Wilcox Dampfkessel | Filter earths |
| US3428551A (en) * | 1964-10-29 | 1969-02-18 | John Ernest Dawe | Process of preparing a filter medium from moss and its use |
| DE1277203B (de) * | 1965-05-08 | 1968-09-12 | Klein Kg A | Bandfilter zum Entwaessern insbesondere der bei der Abwasseraufbereitung anfallenden, eingedickten Suspensionen |
| FR1490052A (fr) * | 1966-08-18 | 1967-07-28 | Rose | Procédé de traitement de la boue d'eaux d'égouts |
| DE1536873A1 (de) * | 1966-10-25 | 1970-03-12 | Passavant Werke | Verfahren zum Entwaessern und gegebenenfalls Weiterbehandeln von Schlaemmen |
| DE1960365A1 (de) * | 1969-12-02 | 1971-06-09 | Lange Gunde Johan Kristian | Verfahren und Anlage zum Entwaessern ausgefaulten oder teilweise ausgefaulten Abwasserschlamms |
| DE1965734A1 (de) * | 1969-12-31 | 1971-07-08 | Degussa | Verfahren zur Klaerschlamm-Entwaesserung |
| DE2031842A1 (en) * | 1970-06-26 | 1972-01-13 | Farbenfabriken Bayer Ag, 5090 Leverkusen | Continuously filtering solid dispersions - using coarse fraction from dispersion as filtering medium |
| US3870632A (en) * | 1970-09-30 | 1975-03-11 | Calgon Corp | Traveling filter for use with filter medium incineration process |
| US3771653A (en) * | 1970-11-17 | 1973-11-13 | Int Minerals & Chem Corp | Compost for removing oil films from water |
| US3791990A (en) * | 1972-01-03 | 1974-02-12 | Fischer Holdings | Oil absorbent |
| SE366220B ( ) * | 1972-03-15 | 1974-09-16 | Sala Maskinfab Ab | |
| US4249929A (en) * | 1972-10-25 | 1981-02-10 | Franz Kneer | Method of digesting organic wastes |
| DE2541070B2 (de) * | 1975-09-15 | 1980-03-06 | Gebrueder Weiss Kg, 6340 Dillenburg | Verfahren zum kontinuierlichen Kompostieren von organischen Abfällen und/oder Klärschlamm und Einrichtung zur Durchführung des Verfahrens |
| DE2558256B2 (de) * | 1975-12-23 | 1978-11-02 | Gebrueder Weiss Kg, 6340 Dillenburg | Einrichtung zum Abscheiden gasförmiger organischer Verunreinigungen aus Abgasen |
-
1978
- 1978-07-17 DE DE19782831384 patent/DE2831384A1/de active Granted
- 1978-08-21 SE SE7808822A patent/SE439114B/sv not_active IP Right Cessation
-
1979
- 1979-06-18 CH CH565479A patent/CH643466A5/de not_active IP Right Cessation
- 1979-06-26 NL NL7904945A patent/NL7904945A/nl not_active Application Discontinuation
- 1979-07-11 IT IT24261/79A patent/IT1122122B/it active
- 1979-07-11 GB GB7924145A patent/GB2035113B/en not_active Expired
- 1979-07-16 BE BE0/196319A patent/BE877725A/xx not_active IP Right Cessation
- 1979-07-16 CA CA000331885A patent/CA1149297A/en not_active Expired
- 1979-07-16 FR FR7918322A patent/FR2431319B1/fr not_active Expired
-
1983
- 1983-12-21 US US06/550,484 patent/US4595506A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE2831384C2 ( ) | 1989-06-29 |
| SE7808822L (sv) | 1980-01-18 |
| FR2431319A1 (fr) | 1980-02-15 |
| GB2035113B (en) | 1982-12-15 |
| DE2831384A1 (de) | 1980-01-31 |
| IT7924261A0 (it) | 1979-07-11 |
| NL7904945A (nl) | 1980-01-21 |
| FR2431319B1 (fr) | 1985-09-13 |
| CA1149297A (en) | 1983-07-05 |
| US4595506A (en) | 1986-06-17 |
| SE439114B (sv) | 1985-06-03 |
| BE877725A (fr) | 1979-11-16 |
| GB2035113A (en) | 1980-06-18 |
| IT1122122B (it) | 1986-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: LICENCIA HOLDING S.A. |
|
| PL | Patent ceased |