IT1087068B - Apparato e processo per la separazione di cristalli e del liquido madre - Google Patents

Apparato e processo per la separazione di cristalli e del liquido madre

Info

Publication number
IT1087068B
IT1087068B IT28571/77A IT2857177A IT1087068B IT 1087068 B IT1087068 B IT 1087068B IT 28571/77 A IT28571/77 A IT 28571/77A IT 2857177 A IT2857177 A IT 2857177A IT 1087068 B IT1087068 B IT 1087068B
Authority
IT
Italy
Prior art keywords
crystals
separation
mother liquid
mother
liquid
Prior art date
Application number
IT28571/77A
Other languages
English (en)
Original Assignee
Douwe Egberts Tabaksfab
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 Douwe Egberts Tabaksfab filed Critical Douwe Egberts Tabaksfab
Application granted granted Critical
Publication of IT1087068B publication Critical patent/IT1087068B/it

Links

Classifications

    • 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
    • B01D35/18—Heating or cooling the filters
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
    • A23F5/28—Drying or concentrating coffee extract
    • A23F5/30—Drying or concentrating coffee extract by freezing out the water
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Preparation or treatment thereof
    • A23L2/02—Non-alcoholic beverages; Dry compositions or concentrates therefor; Preparation or treatment thereof containing fruit or vegetable juices
    • A23L2/08—Concentrating or drying of juices
    • A23L2/12—Concentrating or drying of juices by freezing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
    • B01D29/118—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration open-ended
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0063—Control or regulation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Tea And Coffee (AREA)
IT28571/77A 1976-10-15 1977-10-13 Apparato e processo per la separazione di cristalli e del liquido madre IT1087068B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB42824/76A GB1555357A (en) 1976-10-15 1976-10-15 Apparatus and process for the separation of crystals and mother liquor

Publications (1)

Publication Number Publication Date
IT1087068B true IT1087068B (it) 1985-05-31

Family

ID=10426143

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28571/77A IT1087068B (it) 1976-10-15 1977-10-13 Apparato e processo per la separazione di cristalli e del liquido madre

Country Status (6)

Country Link
DE (1) DE2744480A1 (it)
FR (1) FR2367515A1 (it)
GB (1) GB1555357A (it)
IT (1) IT1087068B (it)
NL (1) NL7710734A (it)
ZA (1) ZA776127B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1589477A (en) * 1977-01-12 1981-05-13 Douwe Egberts Tabaksfab Freeze concentration apparatus
ZA792809B (en) * 1978-06-23 1980-06-25 Douwe Egberts Tabaksfab Continuous packed bed wash column
US4312846A (en) * 1979-05-24 1982-01-26 Aluminum Company Of America Method of silicon purification
NL8600461A (nl) * 1986-02-24 1987-09-16 Percy Cohen Henriquez Statische waskolom.
EP4721830A1 (en) * 2024-10-02 2026-04-08 NG Nordic Finland Oy A crystallization method of liquid
EP4721831A1 (en) * 2024-10-02 2026-04-08 NG Nordic Finland Oy A crystallization apparatus of liquid

Also Published As

Publication number Publication date
FR2367515A1 (fr) 1978-05-12
GB1555357A (en) 1979-11-07
ZA776127B (en) 1978-07-26
NL7710734A (nl) 1978-04-18
DE2744480A1 (de) 1978-04-20

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