BR6913647D0 - Aperfeicoamento em um processo para a preparacao de cristais de precursores de carbonato de sodio - Google Patents

Aperfeicoamento em um processo para a preparacao de cristais de precursores de carbonato de sodio

Info

Publication number
BR6913647D0
BR6913647D0 BR213647/69A BR21364769A BR6913647D0 BR 6913647 D0 BR6913647 D0 BR 6913647D0 BR 213647/69 A BR213647/69 A BR 213647/69A BR 21364769 A BR21364769 A BR 21364769A BR 6913647 D0 BR6913647 D0 BR 6913647D0
Authority
BR
Brazil
Prior art keywords
improvement
preparation
sodium carbonate
carbonate precursor
precursor crystals
Prior art date
Application number
BR213647/69A
Other languages
English (en)
Inventor
W Beauchamp
E Port
C Howard
Original Assignee
Allied Chem
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 Allied Chem filed Critical Allied Chem
Publication of BR6913647D0 publication Critical patent/BR6913647D0/pt

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
    • C01D7/12—Preparation of carbonates from bicarbonates or bicarbonate-containing product
    • C01D7/126—Multi-step processes, e.g. from trona to soda ash
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B01D9/0031—Evaporation of components of the mixture to be separated by heating
    • 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
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR213647/69A 1968-10-29 1969-10-27 Aperfeicoamento em um processo para a preparacao de cristais de precursores de carbonato de sodio BR6913647D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77143068A 1968-10-29 1968-10-29

Publications (1)

Publication Number Publication Date
BR6913647D0 true BR6913647D0 (pt) 1973-03-08

Family

ID=25091786

Family Applications (1)

Application Number Title Priority Date Filing Date
BR213647/69A BR6913647D0 (pt) 1968-10-29 1969-10-27 Aperfeicoamento em um processo para a preparacao de cristais de precursores de carbonato de sodio

Country Status (3)

Country Link
US (1) US3628919A (pt)
JP (1) JPS4817718B1 (pt)
BR (1) BR6913647D0 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933977A (en) * 1974-01-11 1976-01-20 Intermountain Research And Development Corporation Process for producing sodium carbonate
US4019872A (en) * 1974-01-28 1977-04-26 Intermountain Research And Development Corporation Producing sodium carbonate monohydrate from carbonate solution including addition of aluminum ions
US4104033A (en) * 1975-09-12 1978-08-01 Drew Chemical Corporation Foam prevention in sodium carbonate crystallization
FR2384717A1 (fr) * 1977-03-25 1978-10-20 Solvay Procede pour l'obtention de cristaux de carbonate de sodium monohydrate
JPS56109819A (en) * 1980-02-04 1981-08-31 Asahi Glass Co Ltd Manufacture of anhydrous sodium carbonate crystal
DE69300767T2 (de) * 1992-03-27 1996-04-25 Allied Signal Inc Kristallisationsverfahren in einem umlenkkristallisator mit ablenkscheiben.
US5788947A (en) * 1994-08-09 1998-08-04 Ruiz-Luna; Raymundo Method for the production of anhydrous alkali metal carbonates
DE102008029050A1 (de) * 2008-06-18 2009-12-24 Gea Messo Gmbh Verfahren und Vorrichtung zur kontinuierlichen Herstellung eines Kristallisats mit konstanter Korngrößenverteilung
WO2011138005A1 (en) 2010-05-04 2011-11-10 Solvay Chemicals, Inc. Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives
WO2014040858A1 (en) * 2012-09-11 2014-03-20 Dsm Ip Assets B.V. Process for initiating an ammonium sulfate crystallization process
US9993799B2 (en) * 2014-10-09 2018-06-12 Blue Planet, Ltd. Continuous carbon sequestration material production methods and systems for practicing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1873251A (en) * 1928-09-26 1932-08-23 American Potash & Chem Corp Method and apparatus for separating salts and liquors
US2704239A (en) * 1951-06-01 1955-03-15 Robert D Pike Production of sodium bicarbonate and soda ash from trona
US2792282A (en) * 1953-02-11 1957-05-14 Kenneth B Ray Method of producing refined soda ash from trona
US3236590A (en) * 1962-12-10 1966-02-22 Allied Chem Anhydrous dense soda ash
US3425795A (en) * 1966-08-09 1969-02-04 Allied Chem Method for preparing superdense sodium carbonate from wyoming trona and the product thereof

Also Published As

Publication number Publication date
JPS4817718B1 (pt) 1973-05-31
US3628919A (en) 1971-12-21

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