DE2915244A1 - Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionen - Google Patents
Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionenInfo
- Publication number
- DE2915244A1 DE2915244A1 DE19792915244 DE2915244A DE2915244A1 DE 2915244 A1 DE2915244 A1 DE 2915244A1 DE 19792915244 DE19792915244 DE 19792915244 DE 2915244 A DE2915244 A DE 2915244A DE 2915244 A1 DE2915244 A1 DE 2915244A1
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- electrode structure
- suspension
- electrolyte
- cake
- 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
- 239000000725 suspension Substances 0.000 title claims description 78
- 239000007787 solid Substances 0.000 title claims description 58
- 238000000034 method Methods 0.000 title claims description 21
- 239000003792 electrolyte Substances 0.000 claims description 53
- 239000007788 liquid Substances 0.000 claims description 43
- 239000000706 filtrate Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 26
- 239000000047 product Substances 0.000 claims description 16
- 230000005684 electric field Effects 0.000 claims description 14
- 230000007935 neutral effect Effects 0.000 claims description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 230000005012 migration Effects 0.000 claims description 11
- 238000013508 migration Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000011068 loading method Methods 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 2
- 239000012466 permeate Substances 0.000 claims 2
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 238000007654 immersion Methods 0.000 claims 1
- 235000012970 cakes Nutrition 0.000 description 49
- 239000004927 clay Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 239000010802 sludge Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 238000000926 separation method Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000011043 electrofiltration Methods 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 150000001804 chlorine Chemical class 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 235000021463 dry cake Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 210000003722 extracellular fluid Anatomy 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052500 inorganic mineral Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Chemical class 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/56—Electro-osmotic dewatering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/06—Filters making use of electricity or magnetism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D57/00—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C
- B01D57/02—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C by electrophoresis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C1/00—Apparatus or methods for obtaining or processing clay
- B28C1/02—Apparatus or methods for obtaining or processing clay for producing or processing clay suspensions, e.g. slip
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/898,234 US4168222A (en) | 1976-06-17 | 1978-04-20 | Electrically augmented vacuum filtration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2915244A1 true DE2915244A1 (de) | 1979-10-31 |
| DE2915244C2 DE2915244C2 (enrdf_load_stackoverflow) | 1989-12-14 |
Family
ID=25409142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792915244 Granted DE2915244A1 (de) | 1978-04-20 | 1979-04-14 | Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionen |
Country Status (12)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303492A (en) * | 1980-01-04 | 1981-12-01 | Dorr-Oliver Incorporated | Electrode assembly |
| JPS58153514A (ja) * | 1982-03-19 | 1983-09-12 | ドル−オリバ−・インコ−ポレイテツド | イオン交換膜を備えた電極組立体 |
| GB2154224A (en) * | 1984-02-13 | 1985-09-04 | Engelhard Corp | Clay dewatering process |
| FR2608453B1 (fr) * | 1986-07-18 | 1989-04-21 | Omya Sa | Procede de separation en continu par electrophorese et electro-osmose de matieres solides pulverulentes electriquement chargees |
| FR3151034A1 (fr) * | 2023-07-13 | 2025-01-17 | Veolia Water Solutions & Technologies Support | installation de déshydratation de boues |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2726604A1 (de) * | 1976-06-17 | 1977-12-29 | Dorr Oliver Inc | Verfahren und vorrichtung zur elektrischen entwaesserung von feststoffsuspensionen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB662568A (en) * | 1949-04-13 | 1951-12-05 | Stanley Mannford Doble | Electrically aided plant for de-watering aqueous slurries |
| US4003811A (en) * | 1974-01-25 | 1977-01-18 | J. M. Huber Corporation | Electrokinetic separation of solid particles from aqueous suspensions thereof |
-
1979
- 1979-02-09 AU AU44110/79A patent/AU530986B2/en not_active Ceased
- 1979-02-12 ZA ZA79606A patent/ZA79606B/xx unknown
- 1979-03-05 FR FR7905667A patent/FR2423254B2/fr not_active Expired
- 1979-03-05 NL NL7901729A patent/NL7901729A/xx not_active Application Discontinuation
- 1979-03-05 CS CS791463A patent/CS216814B2/cs unknown
- 1979-03-19 BR BR7901699A patent/BR7901699A/pt unknown
- 1979-03-23 GB GB7910260A patent/GB2019889B/en not_active Expired
- 1979-04-12 JP JP4484079A patent/JPS54152275A/ja active Granted
- 1979-04-14 DE DE19792915244 patent/DE2915244A1/de active Granted
- 1979-04-18 BE BE0/194669A patent/BE875654A/xx not_active IP Right Cessation
- 1979-04-19 IT IT21991/79A patent/IT1113326B/it active
- 1979-04-20 AT AT0299979A patent/AT370338B/de not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2726604A1 (de) * | 1976-06-17 | 1977-12-29 | Dorr Oliver Inc | Verfahren und vorrichtung zur elektrischen entwaesserung von feststoffsuspensionen |
Also Published As
| Publication number | Publication date |
|---|---|
| BE875654A (fr) | 1979-08-16 |
| GB2019889A (en) | 1979-11-07 |
| IT1113326B (it) | 1986-01-20 |
| JPS643525B2 (enrdf_load_stackoverflow) | 1989-01-23 |
| ZA79606B (en) | 1980-09-24 |
| FR2423254A2 (fr) | 1979-11-16 |
| CS216814B2 (en) | 1982-11-26 |
| NL7901729A (nl) | 1979-10-23 |
| AT370338B (de) | 1983-03-25 |
| AU530986B2 (en) | 1983-08-04 |
| DE2915244C2 (enrdf_load_stackoverflow) | 1989-12-14 |
| GB2019889B (en) | 1982-09-02 |
| ATA299979A (de) | 1982-08-15 |
| AU4411079A (en) | 1979-10-25 |
| FR2423254B2 (fr) | 1988-06-03 |
| IT7921991A0 (it) | 1979-04-19 |
| BR7901699A (pt) | 1979-11-27 |
| JPS54152275A (en) | 1979-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2930194C2 (de) | Vorrichtung zum Aufbereiten von Abwasser | |
| DE2437273C2 (enrdf_load_stackoverflow) | ||
| US4207158A (en) | Electrically augmented vacuum filtration | |
| DE2726604A1 (de) | Verfahren und vorrichtung zur elektrischen entwaesserung von feststoffsuspensionen | |
| DE3739580C2 (enrdf_load_stackoverflow) | ||
| DE2833939A1 (de) | Verfahren und vorrichtung zur herstellung von metallfolien durch elektrolytische abscheidung | |
| US4168222A (en) | Electrically augmented vacuum filtration | |
| EP0220189B1 (de) | Verfahren zur regeneration von reinigungs- und entfettungsbädern und vorrichtung zur durchführung des verfahrens | |
| DE2208076A1 (de) | Verfahren zur elektrolytischen Behandlung von Industrieabwässern und Vorrichtung zur Durchführung desselben | |
| EP1351994B1 (de) | Elektrofiltration von biopolymeren | |
| DE2650912C2 (enrdf_load_stackoverflow) | ||
| DE2915244A1 (de) | Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionen | |
| US9643126B2 (en) | System and method for the concentration of a slurry | |
| DE1301587B (de) | Verfahren und Vorrichtung zur elektrolytischen Abscheidung von Kupferpulver | |
| DE3784868T2 (de) | Verfahren und Vorrichtung zur elektrolytischen Herstellung von Metallfolien. | |
| DE3824289C2 (enrdf_load_stackoverflow) | ||
| DE2908592A1 (de) | Verfahren zur abtrennung und gewinnung eines chalcophilen elements aus einer waessrigen loesung | |
| DE19534102C2 (de) | Verfahren und Vorrichtung zur Tiefenfiltration von Flüssigkeiten | |
| DE4235833C2 (de) | Vorrichtung und Verfahren zur Wasserreinigung | |
| DE2218934C2 (de) | Verfahren zur Vermeidung von Übersättigung der Elektrolytlösungen an einer oder mehreren der Verunreinigungen Arsen, Antimon, Wismut bei der elektrolytischen Raffination von Nichteisenmetallen, insb. Kupfer | |
| EP0575699A2 (de) | Verfahren und Vorrichtung zur Regenerierung einer Metallionen und Schwefelsäure enthaltenden wässrigen Lösung sowie Verwendung | |
| DE69210828T2 (de) | Elektrolytische vorrichtung und methode mit porösen, gerührten elektroden | |
| DE2644744B2 (de) | Verfahren und Vorrichtung zum Reinigen einer leitfähigen, verunreinigende Partikel enthaltenden Kühlflüssigkeit | |
| DE2319968A1 (de) | Elektrophoretisches beschichtungsverfahren und vorrichtung zu dessen durchfuehrung | |
| DE127423C (enrdf_load_stackoverflow) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |
|
| 8339 | Ceased/non-payment of the annual fee |