DE2915244A1 - Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionen - Google Patents

Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionen

Info

Publication number: DE2915244A1
Authority: DE; Germany
Prior art keywords: electrode; electrode structure; suspension; electrolyte; cake
Prior art date: 1978-04-20
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

Application number

DE19792915244

Other languages

German (de)

English (en)

Other versions

DE2915244C2 (fr

Inventor

Mark P Freeman

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.)

Dorr Oliver Inc

Original Assignee

Dorr Oliver Inc

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.)

1978-04-20

Filing date

1979-04-14

Publication date

1979-10-31

1978-04-20 Priority claimed from US05/898,234 external-priority patent/US4168222A/en

1979-04-14 Application filed by Dorr Oliver Inc filed Critical Dorr Oliver Inc

1979-10-31 Publication of DE2915244A1 publication Critical patent/DE2915244A1/de

1989-12-14 Application granted granted Critical

1989-12-14 Publication of DE2915244C2 publication Critical patent/DE2915244C2/de

Status Granted legal-status Critical Current

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)
Water Supply & Treatment (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Urology & Nephrology (AREA)
Electrochemistry (AREA)
Environmental & Geological Engineering (AREA)
Molecular Biology (AREA)
Dispersion Chemistry (AREA)
Treatment Of Sludge (AREA)
Separation Using Semi-Permeable Membranes (AREA)

DE19792915244 1978-04-20 1979-04-14 Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionen Granted DE2915244A1 (de)

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 (fr)	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)

Country	Link
JP (1)	JPS54152275A (fr)
AT (1)	AT370338B (fr)
AU (1)	AU530986B2 (fr)
BE (1)	BE875654A (fr)
BR (1)	BR7901699A (fr)
CS (1)	CS216814B2 (fr)
DE (1)	DE2915244A1 (fr)
FR (1)	FR2423254B2 (fr)
GB (1)	GB2019889B (fr)
IT (1)	IT1113326B (fr)
NL (1)	NL7901729A (fr)
ZA (1)	ZA79606B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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

Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 NL NL7901729A patent/NL7901729A/xx not_active Application Discontinuation
- 1979-03-05 FR FR7905667A patent/FR2423254B2/fr not_active Expired
- 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/fr 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)

* Cited by examiner, † Cited by third party
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
NL7901729A (nl)	1979-10-23
ATA299979A (de)	1982-08-15
DE2915244C2 (fr)	1989-12-14
AT370338B (de)	1983-03-25
CS216814B2 (en)	1982-11-26
FR2423254A2 (fr)	1979-11-16
BR7901699A (pt)	1979-11-27
JPS643525B2 (fr)	1989-01-23
IT1113326B (it)	1986-01-20
AU4411079A (en)	1979-10-25
FR2423254B2 (fr)	1988-06-03
GB2019889A (en)	1979-11-07
JPS54152275A (en)	1979-11-30
IT7921991A0 (it)	1979-04-19
AU530986B2 (en)	1983-08-04
ZA79606B (en)	1980-09-24
GB2019889B (en)	1982-09-02

Legal Events

Date	Code	Title	Description
1986-04-03	8110	Request for examination paragraph 44
1989-12-14	D2	Grant after examination
1990-06-07	8364	No opposition during term of opposition
1990-11-08	8328	Change in the person/name/address of the agent	Free format text: DERZEIT KEIN VERTRETER BESTELLT
1992-05-07	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE2930194C2 (de)	1985-08-08	Vorrichtung zum Aufbereiten von Abwasser
DE2437273C2 (fr)	1988-04-07
US4207158A (en)	1980-06-10	Electrically augmented vacuum filtration
DE2726604A1 (de)	1977-12-29	Verfahren und vorrichtung zur elektrischen entwaesserung von feststoffsuspensionen
DE3739580C2 (fr)	1989-08-31
US4168222A (en)	1979-09-18	Electrically augmented vacuum filtration
EP0220189B1 (fr)	1989-03-29	Procede pour la regeneration de bains de nettoyage et de degraissage, et dispositif pour l'application du procede
DE2833939A1 (de)	1979-06-21	Verfahren und vorrichtung zur herstellung von metallfolien durch elektrolytische abscheidung
DE2208076A1 (de)	1972-09-14	Verfahren zur elektrolytischen Behandlung von Industrieabwässern und Vorrichtung zur Durchführung desselben
DE1621916C3 (de)	1978-10-05	Verfahren zum Überziehen eines elektrisch leitenden Gegenstandes in einem wässrigen Bad mit einem ionisierten organischen Harz und hierfür geeignete Vorrichtungen
EP1351994B1 (fr)	2006-05-10	Electrofiltration de biopolymeres
DE2650912C2 (fr)	1990-05-10
US9643126B2 (en)	2017-05-09	System and method for the concentration of a slurry
DE1301587B (de)	1969-08-21	Verfahren und Vorrichtung zur elektrolytischen Abscheidung von Kupferpulver
DE2915244A1 (de)	1979-10-31	Verfahren und vorrichtung zur entwaesserung von feststoffsuspensionen
DE3824289C2 (fr)	1992-05-27
DE2908592A1 (de)	1980-01-03	Verfahren zur abtrennung und gewinnung eines chalcophilen elements aus einer waessrigen loesung
DE19534102C2 (de)	2001-11-08	Verfahren und Vorrichtung zur Tiefenfiltration von Flüssigkeiten
EP0575699A2 (fr)	1993-12-29	Procédé et appareil de régénération d'une solution aqueuse contenant des ions métalliques et de l'acide sulfurique, ainsi que l'utilisation
DE4235833C2 (de)	1997-01-30	Vorrichtung und Verfahren zur Wasserreinigung
DE2319968A1 (de)	1973-11-15	Elektrophoretisches beschichtungsverfahren und vorrichtung zu dessen durchfuehrung
DE127423C (fr)
DE2715856C2 (de)	1984-04-12	Verfahren und Vorrichtung zur kontinuierlichen Gewinnung von Metallen, insbesondere Kupfer, in Form eines teilchenförmigen kristallinen Materials
DE2332856C3 (de)	1975-11-27	Verfahren zur Reinigung von Abwasser oder dergleichen Flüssigkeiten durch Flotation sowie Vorrichtung zur Durchführung des Verfahrens
Tarleton et al.	2003	Electrically enhanced washing of ionic species from fine particle filter cakes