NL7300767A - - Google Patents

Info

Publication number
NL7300767A
NL7300767A NL7300767A NL7300767A NL7300767A NL 7300767 A NL7300767 A NL 7300767A NL 7300767 A NL7300767 A NL 7300767A NL 7300767 A NL7300767 A NL 7300767A NL 7300767 A NL7300767 A NL 7300767A
Authority
NL
Netherlands
Prior art keywords
liquid
resins
resin
cation
column
Prior art date
Application number
NL7300767A
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
Priority to BE795237D priority Critical patent/BE795237A/en
Priority to AU50702/73A priority patent/AU471213B2/en
Priority to JP714073A priority patent/JPS5327704B2/ja
Application filed filed Critical
Priority to NL7300767A priority patent/NL7300767A/xx
Priority to DE2303203A priority patent/DE2303203C3/en
Priority to GB464873A priority patent/GB1383734A/en
Priority to CA162,793A priority patent/CA960382A/en
Priority to FR7304474A priority patent/FR2217060B1/fr
Publication of NL7300767A publication Critical patent/NL7300767A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • 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
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/011—Ion-exchange processes in general; Apparatus therefor using batch processes
    • 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
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/05—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds
    • B01J49/09—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds of mixed beds
    • 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
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/10—Regeneration or reactivation of ion-exchangers; Apparatus therefor of moving beds
    • B01J49/18—Regeneration or reactivation of ion-exchangers; Apparatus therefor of moving beds of mixed beds
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/12—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by gravity in a downward flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B03D1/028—Control and monitoring of flotation processes; computer models therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B03D1/06—Froth-flotation processes differential
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1456—Feed mechanisms for the slurry

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Water Treatments (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

1383734 Wet separation of particular materials CRANE CO 30 Jan 1973 4648/73 Heading B2H Particulate mixed, e.g. spent, ion exchange resins are reclassified into separate cation and anion exchange resin fractions by introducing the mixed resins into the top of a vertical column of liquid in which the cation and anion exchange resins settle at different rates of. fall, thereby separating into distinct fractions which are separately collected, the reclassification being enhanced by maintaining a laminar downward flow of liquid in the vertical column. The laminar flow of liquid operates to streamline the particulate resin flow and limits random vertical movement of the particles resulting in a reduction in the total number of particle collisions. Moreover the downward flow of liquid enhances the settling of the larger as compared with that of the smaller particles: The liquid used is preferably water and the laminar flow has a Reynolds number of between 200 and 2200. A resin-receiving vessel is preferably provided above, and adapted to communicate with, the vertical redassification column and an upward current of liquid is set up in this vessel to effect backwash of the resins to remove the fines and/or preliminary redassification of the resins prior to their passing from the vessel into the column. Reclassification may also be enhanced by increasing the buoyancy of one of the types of resins in the vertical column by maintaining a dispersion of air bubbles in the liquid therein and contacting the particulate resin with a hydrophobic, aerophilic flotation agent which selectively adheres the cation or anion resin to the air bubbles. Flotation agents specific to anion exchange resins may include a polyamine alkyl sulphate, xanthate, dithiophosphate, dithiocarbamate or an arenesulphonate. Flotation agents specific to cation exchange resins may include a polyacrylamide, primary amine, quaternary amonium salt, primary ammonium, alkyl-pyridinium salt or a thiocarbanilide. A suitable plant is described.
NL7300767A 1971-12-29 1973-01-18 NL7300767A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE795237D BE795237A (en) 1971-12-29 PROCESS FOR SEPARATION OF MIXTURES OF ION EXCHANGE RESINS
AU50702/73A AU471213B2 (en) 1971-12-29 1973-01-03 Method of reclassifying ion exchange resins
JP714073A JPS5327704B2 (en) 1971-12-29 1973-01-17
NL7300767A NL7300767A (en) 1971-12-29 1973-01-18
DE2303203A DE2303203C3 (en) 1971-12-29 1973-01-23 Method for mass force flow sorting of cation and anion exchange resins
GB464873A GB1383734A (en) 1971-12-29 1973-01-30 Method of reclassifying particulate mixed ion exchange resin
CA162,793A CA960382A (en) 1971-12-29 1973-02-02 Resin separator
FR7304474A FR2217060B1 (en) 1971-12-29 1973-02-08

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US21337071A 1971-12-29 1971-12-29
JP714073A JPS5327704B2 (en) 1971-12-29 1973-01-17
NL7300767A NL7300767A (en) 1971-12-29 1973-01-18
DE2303203A DE2303203C3 (en) 1971-12-29 1973-01-23 Method for mass force flow sorting of cation and anion exchange resins
GB464873A GB1383734A (en) 1971-12-29 1973-01-30 Method of reclassifying particulate mixed ion exchange resin
CA162,793A CA960382A (en) 1971-12-29 1973-02-02 Resin separator
FR7304474A FR2217060B1 (en) 1971-12-29 1973-02-08

Publications (1)

Publication Number Publication Date
NL7300767A true NL7300767A (en) 1974-07-22

Family

ID=27560870

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7300767A NL7300767A (en) 1971-12-29 1973-01-18

Country Status (7)

Country Link
JP (1) JPS5327704B2 (en)
BE (1) BE795237A (en)
CA (1) CA960382A (en)
DE (1) DE2303203C3 (en)
FR (1) FR2217060B1 (en)
GB (1) GB1383734A (en)
NL (1) NL7300767A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339620Y2 (en) * 1974-08-26 1978-09-26
ZA761474B (en) * 1975-03-17 1977-03-30 Sterling Drug Inc Process and apparatus for removal of ash from waste water treatment system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775310A (en) * 1971-03-12 1973-11-27 Continuous ion exchange

Also Published As

Publication number Publication date
DE2303203C3 (en) 1975-12-11
JPS5327704B2 (en) 1978-08-10
JPS49102576A (en) 1974-09-27
CA960382A (en) 1974-12-31
FR2217060A1 (en) 1974-09-06
DE2303203A1 (en) 1974-08-01
BE795237A (en) 1973-08-09
FR2217060B1 (en) 1977-02-04
DE2303203B2 (en) 1975-04-30
GB1383734A (en) 1974-02-12

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Legal Events

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BV The patent application has lapsed