IT969420B - Procedimento continuo di ricupero mediante condensazione allo stato solido di prodotti sublimabili - Google Patents

Procedimento continuo di ricupero mediante condensazione allo stato solido di prodotti sublimabili

Info

Publication number
IT969420B
IT969420B IT52593/72A IT5259372A IT969420B IT 969420 B IT969420 B IT 969420B IT 52593/72 A IT52593/72 A IT 52593/72A IT 5259372 A IT5259372 A IT 5259372A IT 969420 B IT969420 B IT 969420B
Authority
IT
Italy
Prior art keywords
sublimable
condensation
products
solid state
recovery process
Prior art date
Application number
IT52593/72A
Other languages
English (en)
Original Assignee
Rhone Progil
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 Rhone Progil filed Critical Rhone Progil
Application granted granted Critical
Publication of IT969420B publication Critical patent/IT969420B/it

Links

Classifications

    • 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
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1836—Heating and cooling the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D7/00—Sublimation
    • B01D7/02—Crystallisation directly from the vapour phase
    • 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
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00115—Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
    • B01J2208/00141—Coils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/03—Fluidized bed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT52593/72A 1971-09-09 1972-09-07 Procedimento continuo di ricupero mediante condensazione allo stato solido di prodotti sublimabili IT969420B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7132531A FR2151687A5 (it) 1971-09-09 1971-09-09

Publications (1)

Publication Number Publication Date
IT969420B true IT969420B (it) 1974-03-30

Family

ID=9082694

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52593/72A IT969420B (it) 1971-09-09 1972-09-07 Procedimento continuo di ricupero mediante condensazione allo stato solido di prodotti sublimabili

Country Status (11)

Country Link
US (1) US3849077A (it)
JP (1) JPS4836074A (it)
BE (1) BE788453A (it)
CA (1) CA989595A (it)
DE (1) DE2243689A1 (it)
FR (1) FR2151687A5 (it)
GB (1) GB1371129A (it)
IT (1) IT969420B (it)
NL (1) NL7212089A (it)
PH (1) PH11174A (it)
YU (1) YU224772A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923834C2 (de) * 1989-07-19 1994-08-04 Helmut Dipl Ing Krause Verfahren zur kontinuierlichen Flüssigabscheidung von Phthalsäureanhydrid
US7601225B2 (en) 2002-06-17 2009-10-13 Asm International N.V. System for controlling the sublimation of reactants
US8343583B2 (en) * 2008-07-10 2013-01-01 Asm International N.V. Method for vaporizing non-gaseous precursor in a fluidized bed
GB2553277B (en) 2016-08-17 2020-01-08 Pmw Tech Ltd Apparatus for desubliming carbon dioxide
DE202024002598U1 (de) * 2023-10-12 2025-12-04 Basf Se Diskontinuierlich betriebener Desublimator mit zumindest einem Lochblech

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648609A (en) * 1949-01-21 1953-08-11 Wisconsin Alumni Res Found Method of applying coatings to edible tablets or the like
US2763597A (en) * 1954-01-04 1956-09-18 Exxon Research Engineering Co Fluid hydroforming process
US2925145A (en) * 1954-08-06 1960-02-16 British Titan Products Separation of metallic halides
DE1020958B (de) * 1955-07-28 1957-12-19 Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-Bayerwerk Verfahren zur Sublimation
US2951555A (en) * 1958-07-11 1960-09-06 Monsanto Chemicals Recovery of maleic anhydride
US3457049A (en) * 1965-04-22 1969-07-22 Battelley Dev Corp The Separation methods for volatile solids
US3694170A (en) * 1970-03-30 1972-09-26 Nippon Soda Co Process for production of spherical granules or lumps of anhydrous aluminum chloride

Also Published As

Publication number Publication date
YU224772A (en) 1980-06-30
JPS4836074A (it) 1973-05-28
DE2243689A1 (de) 1973-03-15
US3849077A (en) 1974-11-19
FR2151687A5 (it) 1973-04-20
GB1371129A (en) 1974-10-23
BE788453A (fr) 1973-06-06
PH11174A (en) 1977-10-28
NL7212089A (it) 1973-03-13
CA989595A (en) 1976-05-25

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