DE2045652A1 - Verfahren zur Absetzung schuppen bildender Suspensionen wie solche von Rotschlamm, bei der Tonerdeherstellung - Google Patents

Verfahren zur Absetzung schuppen bildender Suspensionen wie solche von Rotschlamm, bei der Tonerdeherstellung

Info

Publication number
DE2045652A1
DE2045652A1 DE19702045652 DE2045652A DE2045652A1 DE 2045652 A1 DE2045652 A1 DE 2045652A1 DE 19702045652 DE19702045652 DE 19702045652 DE 2045652 A DE2045652 A DE 2045652A DE 2045652 A1 DE2045652 A1 DE 2045652A1
Authority
DE
Germany
Prior art keywords
mud
sludge
zone
red mud
basin
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.)
Pending
Application number
DE19702045652
Other languages
German (de)
English (en)
Inventor
Keith Carnegie West port Conn Stansmore (V St A )
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.)
Filing date
Publication date
Application filed by Dorr Oliver Inc filed Critical Dorr Oliver Inc
Publication of DE2045652A1 publication Critical patent/DE2045652A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0093—Mechanisms for taking out of action one or more units of a multi-unit settling mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE19702045652 1969-09-17 1970-09-16 Verfahren zur Absetzung schuppen bildender Suspensionen wie solche von Rotschlamm, bei der Tonerdeherstellung Pending DE2045652A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85873169A 1969-09-17 1969-09-17

Publications (1)

Publication Number Publication Date
DE2045652A1 true DE2045652A1 (de) 1971-05-27

Family

ID=25329034

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702045652 Pending DE2045652A1 (de) 1969-09-17 1970-09-16 Verfahren zur Absetzung schuppen bildender Suspensionen wie solche von Rotschlamm, bei der Tonerdeherstellung

Country Status (6)

Country Link
AU (1) AU1975770A (enExample)
CA (1) CA976488A (enExample)
DE (1) DE2045652A1 (enExample)
FR (1) FR2061759B1 (enExample)
GB (1) GB1298976A (enExample)
NL (1) NL7013604A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909986A1 (de) * 1978-07-31 1980-02-21 Eurallumina Spa Verfahren zur beseitigung von bauxitaufbereitungsabfaellen und aufnahmebassin hierfuer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101759214B (zh) * 2008-12-25 2011-12-21 中国铝业股份有限公司 一种铝酸钠浆液过滤分离方法
CN117772762B (zh) * 2023-12-19 2025-02-07 中国石油大学(华东) 大宗工业固废赤泥多相流反应精馏脱碱固碳方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747759A (en) * 1925-02-11 1930-02-18 Dorr Co Process for the manufacture of sodium aluminate
FR1438659A (fr) * 1970-03-23 1966-05-13 Union Corp Ltd épaississeur perfectionné pour bouillies, limons, boues et matières similaires

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909986A1 (de) * 1978-07-31 1980-02-21 Eurallumina Spa Verfahren zur beseitigung von bauxitaufbereitungsabfaellen und aufnahmebassin hierfuer

Also Published As

Publication number Publication date
FR2061759A1 (enExample) 1971-06-25
CA976488A (en) 1975-10-21
FR2061759B1 (enExample) 1974-10-11
GB1298976A (en) 1972-12-06
AU1975770A (en) 1972-03-16
NL7013604A (enExample) 1971-03-19

Similar Documents

Publication Publication Date Title
DE2925269C2 (enExample)
DE60210800T2 (de) Vorrichtung und verfahren zur sedimentation von mineralschlämmen
DE4211254C2 (de) Verfahren und Vorrichtung zur Behandlung von Schlamm- und/oder Abwasser
DE69401206T2 (de) Druckdekantiervorrichtung
DE2813056A1 (de) Trennvorrichtung zum wiedergewinnen der zuschlagstoffe aus nicht-abgebundenem beton
DE3008563A1 (de) Verfahren und vorrichtung zur herstellung waessriger natriumchlorid-loesungen aus steinsalz
DE2045652A1 (de) Verfahren zur Absetzung schuppen bildender Suspensionen wie solche von Rotschlamm, bei der Tonerdeherstellung
DE69430086T2 (de) Fest-flüssig Sedimentationstrennungsanlage
DE1519753A1 (de) Verfahren und Vorrichtung zur Aufarbeitung von Extraktionsloesungen
DE3919788C1 (enExample)
DE1007292B (de) Verfahren und Vorrichtung zum Abscheiden von Feststoffschlaemmen aus Trueben durch kontinuierliches Absetzen und Eindicken
DE2013654A1 (de) Sedimentationsvorrichtung mit vertikal übereinandergeschichteten Absetzkammern
DE2848770C3 (de) Krählwerk für Absetzbecken
DE2449756A1 (de) Verfahren und vorrichtung zum entfernen von biologisch schwer abbaubaren organischen verbindungen
EP1079933B1 (de) Separation von aus organischem und anorganischem material zusammengesetzten feststoffen
DE202023107217U1 (de) Ein kontinuierliches Behandlungssystem für Elektrolyse-Aluminium-Überholungsschlacke
DE1160376B (de) Verfahren zur Aufbereitung von bei der Phosphorproduktion anfallenden Abwaessern
EP0912216B1 (de) Salzreinigungsanlage
DE3303746C2 (de) Vorrichtung zur Beseitigung von Gewässerablagerungen
DE3129042C2 (de) Verfahren zur Reinigung von festem Kaliumchlorid
CH626864A5 (en) Process and arrangement for treating liquids, in particular waste water.
DE2360874C3 (de) Verfahren zur Abtrennung von Schlamm von der durch die Behandlung eines Alunitrohstoffes mit einer Ätzalkalilösung anfallenden Aufschlußlösung
WO2021121632A1 (de) Waschen von schüttgut
DE3302490A1 (de) Verfahren und einrichtung zum trennen verschiedenartiger bestandteile
EP0178526B1 (de) Vorrichtung zur Reduktion von Eisen und Vanadium in phosphorsaurer Lösung