FR1134127A - Procédé de préparation continue de substances cristallines - Google Patents

Procédé de préparation continue de substances cristallines

Info

Publication number
FR1134127A
FR1134127A FR1134127DA FR1134127A FR 1134127 A FR1134127 A FR 1134127A FR 1134127D A FR1134127D A FR 1134127DA FR 1134127 A FR1134127 A FR 1134127A
Authority
FR
France
Prior art keywords
continuous preparation
crystalline substances
crystalline
substances
continuous
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
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of FR1134127A publication Critical patent/FR1134127A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/32Non-reciprocal transmission devices
    • H01P1/38Circulators
    • H01P1/393Circulators using Faraday rotators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0004Crystallisation cooling by heat exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0036Crystallisation on to a bed of product crystals; Seeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/10Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in stationary drums or troughs, provided with kneading or mixing appliances
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/02Preparation of sulfur; Purification
    • C01B17/0205Separation of sulfur from liquids, e.g. by coalescence
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/02Preparation of sulfur; Purification
    • C01B17/0216Solidification or cooling of liquid sulfur
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/02Preparation of sulfur; Purification
    • C01B17/0237Converting into particles, e.g. by granulation, milling
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/30Alkali metal phosphates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/20Silicates
    • C01B33/32Alkali metal silicates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/24Sulfates of ammonium
    • C01C1/248Preventing coalescing or controlling form or size of the crystals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives
    • C07C17/392Separation; Purification; Stabilisation; Use of additives by crystallisation; Purification or separation of the crystals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034Duplexers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/36Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
    • H01J25/38Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
FR1134127D 1954-07-16 1955-07-16 Procédé de préparation continue de substances cristallines Expired FR1134127A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE334298X 1954-07-16

Publications (1)

Publication Number Publication Date
FR1134127A true FR1134127A (fr) 1957-04-08

Family

ID=6215455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1134127D Expired FR1134127A (fr) 1954-07-16 1955-07-16 Procédé de préparation continue de substances cristallines

Country Status (6)

Country Link
US (1) US2863739A (fr)
BE (1) BE539879A (fr)
CH (1) CH334298A (fr)
FR (1) FR1134127A (fr)
GB (1) GB812082A (fr)
NL (1) NL110768C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162556A (en) * 1953-01-07 1964-12-22 Hupp Corp Introduction of disturbance points in a cadmium sulfide transistor
US3057677A (en) * 1960-10-06 1962-10-09 Bell Telephone Labor Inc Yttrium and rare earth borates
EP0168438A4 (fr) * 1983-12-27 1987-10-22 Sing-Wang Cheng Procede de solidification fractionnee et appareils a utiliser a cet effet.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1327743A (en) * 1920-01-13 Process for making powdered or granulated aluminum
US1911860A (en) * 1932-06-09 1933-05-30 Grasselli Chemical Co Granulation of zinc chloride
US1999873A (en) * 1932-06-09 1935-04-30 Grasselli Chemical Co Process of preparing zinc chloride melts for granulation

Also Published As

Publication number Publication date
CH334298A (de) 1958-11-30
US2863739A (en) 1958-12-09
BE539879A (fr)
NL110768C (fr)
GB812082A (en) 1959-04-15

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