DE2915244C2 - - Google Patents

Info

Publication number: DE2915244C2
Authority: DE; Germany
Prior art keywords: electrode structure; electrode; 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.): Expired

Application number

DE2915244A

Other languages

German (de)

English (en)

Other versions

DE2915244A1 (de

Inventor

Mark P. Darien Conn. Us 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

1989-12-14

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 claims description 71
239000003792 electrolyte Substances 0.000 claims description 49
239000007787 solid Substances 0.000 claims description 43
239000007788 liquid Substances 0.000 claims description 36
239000000706 filtrate Substances 0.000 claims description 26
239000000463 material Substances 0.000 claims description 20
238000000034 method Methods 0.000 claims description 15
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
230000005684 electric field Effects 0.000 claims description 12
238000001914 filtration Methods 0.000 claims description 10
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 6
239000011780 sodium chloride Substances 0.000 claims description 6
238000005086 pumping Methods 0.000 claims description 5
238000011043 electrofiltration Methods 0.000 claims description 4
238000011068 loading method Methods 0.000 claims description 4
238000000605 extraction Methods 0.000 claims description 3
230000001681 protective effect Effects 0.000 claims description 2
239000004927 clay Substances 0.000 description 14
239000010802 sludge Substances 0.000 description 14
239000000047 product Substances 0.000 description 12
230000015572 biosynthetic process Effects 0.000 description 11
238000000926 separation method Methods 0.000 description 9
239000007789 gas Substances 0.000 description 7
239000002245 particle Substances 0.000 description 7
150000003839 salts Chemical class 0.000 description 7
230000008569 process Effects 0.000 description 6
238000013508 migration Methods 0.000 description 5
230000005012 migration Effects 0.000 description 5
239000000203 mixture Substances 0.000 description 5
230000008859 change Effects 0.000 description 4
239000012530 fluid Substances 0.000 description 4
230000007246 mechanism Effects 0.000 description 4
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
239000011248 coating agent Substances 0.000 description 3
238000000576 coating method Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000001962 electrophoresis Methods 0.000 description 3
239000001257 hydrogen Substances 0.000 description 3
229910052739 hydrogen Inorganic materials 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
239000002002 slurry Substances 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
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
239000000460 chlorine Substances 0.000 description 2
229910052801 chlorine Inorganic materials 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
239000002270 dispersing agent Substances 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
150000002500 ions Chemical class 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
239000000126 substance Substances 0.000 description 2
206010001488 Aggression Diseases 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 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
230000002411 adverse Effects 0.000 description 1
230000016571 aggressive behavior Effects 0.000 description 1
208000012761 aggressive behavior Diseases 0.000 description 1
239000003513 alkali Substances 0.000 description 1
238000004061 bleaching Methods 0.000 description 1
230000005587 bubbling Effects 0.000 description 1
229910052799 carbon Inorganic materials 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
230000001276 controlling effect Effects 0.000 description 1
230000007423 decrease Effects 0.000 description 1
238000000280 densification Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
230000000994 depressogenic effect Effects 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
238000005370 electroosmosis Methods 0.000 description 1
239000012717 electrostatic precipitator Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000008394 flocculating agent Substances 0.000 description 1
230000009969 flowable effect Effects 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
238000012423 maintenance Methods 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 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
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
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
230000002265 prevention Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000011084 recovery Methods 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
235000011149 sulphuric acid Nutrition 0.000 description 1
239000013589 supplement Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1
239000010936 titanium Substances 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
230000000007 visual effect Effects 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 DE2915244A1 (de)	1979-10-31
DE2915244C2 true 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

Family Cites Families (3)

* 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
US4107026A (en) *	1976-06-17	1978-08-15	Dorr-Oliver Incorporated	System and method for electric dewatering of solids suspension

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

Also Published As

Publication number	Publication date
BE875654A (fr)	1979-08-16
NL7901729A (nl)	1979-10-23
ATA299979A (de)	1982-08-15
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
DE2915244A1 (de)	1979-10-31
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
DE2437273C2 (fr)	1988-04-07
US4207158A (en)	1980-06-10	Electrically augmented vacuum filtration
DE2930194C2 (de)	1985-08-08	Vorrichtung zum Aufbereiten von Abwasser
DE2726604A1 (de)	1977-12-29	Verfahren und vorrichtung zur elektrischen entwaesserung von feststoffsuspensionen
DE2158791C3 (de)	1982-01-21	Chargenweise, elektrolytische Abwasserreinigung
DE3739580C2 (fr)	1989-08-31
US4168222A (en)	1979-09-18	Electrically augmented vacuum filtration
DE2208076A1 (de)	1972-09-14	Verfahren zur elektrolytischen Behandlung von Industrieabwässern und Vorrichtung zur Durchführung desselben
DE2833939A1 (de)	1979-06-21	Verfahren und vorrichtung zur herstellung von metallfolien durch elektrolytische abscheidung
DE2321417A1 (de)	1973-11-15	Verfahren zur elektrolyse und elektrolytische zelle zu dessen durchfuehrung
DE2915244C2 (fr)	1989-12-14
DE2650912C2 (fr)	1990-05-10
DE1301587B (de)	1969-08-21	Verfahren und Vorrichtung zur elektrolytischen Abscheidung von Kupferpulver
DE3824289C2 (fr)	1992-05-27
DE2435206B2 (de)	1978-04-20	Verfahren zur elektrolytischen Gewinnung von Kupfer aus Feststoffen, die fein verteiltes Kupfer enthalten
DE2908592A1 (de)	1980-01-03	Verfahren zur abtrennung und gewinnung eines chalcophilen elements aus einer waessrigen loesung
DE2500455B2 (de)	1978-02-09	Verfahren zur behandelung von abwasser mittels flotation
DE2552512C2 (de)	1983-04-28	Vorrichtung zur elektrolytischen Gewinnung von Metall
DE4235833C2 (de)	1997-01-30	Vorrichtung und Verfahren zur Wasserreinigung
DE172939C (fr)
DE2311921C3 (de)	1976-12-02	Verfahren zur Abscheidung von emulgierten Ölen und oberflächenaktiven Substanzen aus Abwässern
DE2715856C2 (de)	1984-04-12	Verfahren und Vorrichtung zur kontinuierlichen Gewinnung von Metallen, insbesondere Kupfer, in Form eines teilchenförmigen kristallinen Materials
DE3821232A1 (de)	1989-01-12	Kontinuierlicher anodenaufbau zur elektrolytischen verfeinerung von schweren nichteisenmetallen
DE577332C (de)	1933-05-29	Verfahren zur Scheidung fester Stoffe, insbesondere von Kohle und kohlehaltigen Stoffen
DE733575C (de)	1943-03-29	Verfahren und Vorrichtung zum elektrolytischen Abscheiden von Gold oder Silber aus durch Auslaugen von Gold- und Silberschlaemmen hergestellten Trueben