CA930135A - Process for the preparation of crystalline precipitates by reaction of solutions - Google Patents

Process for the preparation of crystalline precipitates by reaction of solutions

Info

Publication number
CA930135A
CA930135A CA071711A CA71711A CA930135A CA 930135 A CA930135 A CA 930135A CA 071711 A CA071711 A CA 071711A CA 71711 A CA71711 A CA 71711A CA 930135 A CA930135 A CA 930135A
Authority
CA
Canada
Prior art keywords
solutions
reaction
preparation
crystalline precipitates
precipitates
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
CA071711A
Other versions
CA71711S (en
Inventor
Th. Boontje Jan
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.)
VERENIGDE KUNSTMESTFABRIEKEN MEKOG-ALBATROS NV
Original Assignee
VERENIGDE KUNSTMESTFABRIEKEN MEKOG-ALBATROS NV
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 VERENIGDE KUNSTMESTFABRIEKEN MEKOG-ALBATROS NV filed Critical VERENIGDE KUNSTMESTFABRIEKEN MEKOG-ALBATROS NV
Application granted granted Critical
Publication of CA930135A publication Critical patent/CA930135A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C01D7/07—Preparation from the hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • 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
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/28—Ammonium phosphates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/40—Polyphosphates
    • C01B25/405—Polyphosphates of ammonium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
    • C01B33/10—Compounds containing silicon, fluorine, and other elements
    • C01B33/103—Fluosilicic acid; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/16—Halides of ammonium
    • C01C1/162—Ammonium fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C01C1/244—Preparation by double decomposition of ammonium salts with sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicon Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA071711A 1969-01-10 1970-01-08 Process for the preparation of crystalline precipitates by reaction of solutions Expired CA930135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6900394.A NL161065C (en) 1969-01-10 1969-01-10 METHOD AND APPARATUS FOR PREPARING CHEMICALS IN A SO-CALLED "ROTATING DISC CONTACTOR".

Publications (1)

Publication Number Publication Date
CA930135A true CA930135A (en) 1973-07-17

Family

ID=19805826

Family Applications (1)

Application Number Title Priority Date Filing Date
CA071711A Expired CA930135A (en) 1969-01-10 1970-01-08 Process for the preparation of crystalline precipitates by reaction of solutions

Country Status (10)

Country Link
JP (1) JPS4937342B1 (en)
AT (1) AT311924B (en)
BE (1) BE744176A (en)
CA (1) CA930135A (en)
DE (1) DE2000709C2 (en)
ES (1) ES375258A1 (en)
FR (1) FR2028097A1 (en)
GB (1) GB1290471A (en)
IL (1) IL33681A (en)
NL (1) NL161065C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113120923B (en) * 2019-12-31 2022-11-29 中国科学院过程工程研究所 Method for separating and recovering iron, sodium and ammonium from mixed solution and application

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601674A (en) * 1948-06-18 1952-06-24 Shell Dev Liquid contact apparatus with rotating disks
US3015545A (en) * 1959-03-26 1962-01-02 Texaco Development Corp Apparatus for effecting fluid-fluid contact

Also Published As

Publication number Publication date
BE744176A (en) 1970-07-08
IL33681A0 (en) 1970-03-22
GB1290471A (en) 1972-09-27
DE2000709C2 (en) 1982-04-22
JPS4937342B1 (en) 1974-10-08
NL161065C (en) 1980-01-15
NL6900394A (en) 1970-07-14
AT311924B (en) 1973-12-10
ES375258A1 (en) 1972-08-16
IL33681A (en) 1973-05-31
NL161065B (en) 1979-08-15
FR2028097A1 (en) 1970-10-09
DE2000709A1 (en) 1970-07-23

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