DE2520528A1 - Verfahren zur vollstaendigen isolierung und raschen trocknung von feststoffen aus suspensionen - Google Patents

Verfahren zur vollstaendigen isolierung und raschen trocknung von feststoffen aus suspensionen

Info

Publication number
DE2520528A1
DE2520528A1 DE19752520528 DE2520528A DE2520528A1 DE 2520528 A1 DE2520528 A1 DE 2520528A1 DE 19752520528 DE19752520528 DE 19752520528 DE 2520528 A DE2520528 A DE 2520528A DE 2520528 A1 DE2520528 A1 DE 2520528A1
Authority
DE
Germany
Prior art keywords
solids
organic
liquid
suspensions
mixture
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.)
Withdrawn
Application number
DE19752520528
Other languages
German (de)
English (en)
Inventor
Fridolin Dr Baebler
Roland Dr Haeberli
Hans Dr Mollet
Alberto Rabassa
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
Publication of DE2520528A1 publication Critical patent/DE2520528A1/de
Withdrawn legal-status Critical Current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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Sludge (AREA)
DE19752520528 1974-05-10 1975-05-07 Verfahren zur vollstaendigen isolierung und raschen trocknung von feststoffen aus suspensionen Withdrawn DE2520528A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2520528A1 true DE2520528A1 (de) 1975-11-27

Family

ID=4309424

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752520528 Withdrawn DE2520528A1 (de) 1974-05-10 1975-05-07 Verfahren zur vollstaendigen isolierung und raschen trocknung von feststoffen aus suspensionen

Country Status (10)

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

Families Citing this family (7)

* 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
JP3510663B2 (ja) * 1994-02-21 2004-03-29 大塚化学ホールディングス株式会社 水溶性アゾ化合物の球状造粒物及びその製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1024475A (en) * 1961-11-13 1966-03-30 Shell Int Research Apparatus and process for the separation of at least substantially solid materials from a liquid suspension thereof
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
DE2412369C2 (de) * 1973-03-16 1988-07-28 CIBA-GEIGY AG, 4002 Basel Verfahren zur Herstellung von nichtstäubenden, leicht benetzbaren und rasch löslichen Granulaten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1024475A (en) * 1961-11-13 1966-03-30 Shell Int Research Apparatus and process for the separation of at least substantially solid materials from a liquid suspension thereof
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
DE2412369C2 (de) * 1973-03-16 1988-07-28 CIBA-GEIGY AG, 4002 Basel Verfahren zur Herstellung von nichtstäubenden, leicht benetzbaren und rasch löslichen Granulaten

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Chemie-Ingenieur-Technik 30, 1958, 144-158 *
The Canadian Journal of Chemical Engineering 47, 1969, 166-170 *

Also Published As

Publication number Publication date
BE828868A (fr) 1975-11-10
BR7502864A (pt) 1976-03-16
JPS50154858A (pt) 1975-12-13
CH577851A5 (pt) 1976-07-30
SE7504686L (sv) 1975-11-11
CA1075444A (en) 1980-04-15
GB1513811A (en) 1978-06-07
FR2269991B1 (pt) 1979-06-08
NL7505326A (nl) 1975-11-12
FR2269991A1 (pt) 1975-12-05

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Representative=s name: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM.

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