CA1075444A - Process for the complete isolation and rapid drying of solids from suspensions - Google Patents

Process for the complete isolation and rapid drying of solids from suspensions

Info

Publication number
CA1075444A
CA1075444A CA226,563A CA226563A CA1075444A CA 1075444 A CA1075444 A CA 1075444A CA 226563 A CA226563 A CA 226563A CA 1075444 A CA1075444 A CA 1075444A
Authority
CA
Canada
Prior art keywords
liquid
suspension
solid
multiphase system
solids
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.)
Expired
Application number
CA226,563A
Other languages
English (en)
French (fr)
Inventor
Fridolin Baebler
Alberto Rabassa
Roland Haberli
Hans Mollet
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of CA1075444A publication Critical patent/CA1075444A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D12/00—Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0001—Post-treatment of organic pigments or dyes
    • C09B67/0014—Influencing the physical properties by treatment with a liquid, e.g. solvents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
    • C09B67/0092—Dyes in solid form
    • C09B67/0095—Process features in the making of granulates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0096—Purification; Precipitation; Filtration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Drying Of Solid Materials (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
CA226,563A 1974-05-10 1975-05-08 Process for the complete isolation and rapid drying of solids from suspensions Expired CA1075444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH642574A CH577851A5 (nl) 1974-05-10 1974-05-10

Publications (1)

Publication Number Publication Date
CA1075444A true CA1075444A (en) 1980-04-15

Family

ID=4309424

Family Applications (1)

Application Number Title Priority Date Filing Date
CA226,563A Expired CA1075444A (en) 1974-05-10 1975-05-08 Process for the complete isolation and rapid drying of solids from suspensions

Country Status (10)

Country Link
JP (1) JPS50154858A (nl)
BE (1) BE828868A (nl)
BR (1) BR7502864A (nl)
CA (1) CA1075444A (nl)
CH (1) CH577851A5 (nl)
DE (1) DE2520528A1 (nl)
FR (1) FR2269991B1 (nl)
GB (1) GB1513811A (nl)
NL (1) NL7505326A (nl)
SE (1) SE7504686L (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650498A (en) * 1994-02-21 1997-07-22 Otsuka Kagaku Kabushiki Kaisha Water-soluble azo compound in the form of granules having a spherical shape and process for producing the same

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2837356C2 (de) * 1978-08-26 1986-04-30 Institut fizičeskoj chimii Akademii Nauk SSSR, Moskau/Moskva Verfahren zur Reinigung von Detergentzusatzstoffen für Schmieröle von mechanischen Beimengungen
NO802471L (no) * 1980-08-20 1982-02-22 Norsk Hydro As Fremgangsmaate for oppkonsentrering av lite vannloeselige forbindelser 6ra en vannholdig suspensjon av faste partikler
DE3114928A1 (de) * 1981-04-13 1982-10-28 Basf Ag, 6700 Ludwigshafen Verfahren zur reinigung von rohen organischen pigmenten
DE3440488A1 (de) * 1984-11-06 1986-05-07 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung hochkonzentrierter waessriger presskuchen von feststoffen
DE3440487A1 (de) * 1984-11-06 1986-05-07 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung hochkonzentrierter waessriger presskuchen von azodispersionsfarbstoffen
DE4224302A1 (de) * 1992-07-23 1994-01-27 Basf Ag Verfahren zur Reinigung hydrophober Feststoffe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE624672A (nl) * 1961-11-13 1900-01-01
US3804824A (en) * 1970-01-26 1974-04-16 Baker Perkins Inc Process for purifying organic azo pigments by centrifugation of an agglomerate of the pigment and an organic liquid from an aqueous slurry
CA1066029A (en) * 1973-03-16 1979-11-13 Alberto Rabassa Process for the preparation of non-dusty, easily wetted and readily soluble granulates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650498A (en) * 1994-02-21 1997-07-22 Otsuka Kagaku Kabushiki Kaisha Water-soluble azo compound in the form of granules having a spherical shape and process for producing the same

Also Published As

Publication number Publication date
FR2269991A1 (nl) 1975-12-05
DE2520528A1 (de) 1975-11-27
GB1513811A (en) 1978-06-07
BE828868A (fr) 1975-11-10
FR2269991B1 (nl) 1979-06-08
BR7502864A (pt) 1976-03-16
JPS50154858A (nl) 1975-12-13
SE7504686L (sv) 1975-11-11
CH577851A5 (nl) 1976-07-30
NL7505326A (nl) 1975-11-12

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Legal Events

Date Code Title Description
MKEX Expiry