EP4709687A1 - Procédé de production de carbonate d'ammonium et de carbonate de sodium - Google Patents

Procédé de production de carbonate d'ammonium et de carbonate de sodium

Info

Publication number
EP4709687A1
EP4709687A1 EP24724290.2A EP24724290A EP4709687A1 EP 4709687 A1 EP4709687 A1 EP 4709687A1 EP 24724290 A EP24724290 A EP 24724290A EP 4709687 A1 EP4709687 A1 EP 4709687A1
Authority
EP
European Patent Office
Prior art keywords
chamber
process according
base chamber
solution
aqueous solution
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.)
Pending
Application number
EP24724290.2A
Other languages
German (de)
English (en)
Inventor
Salvador Asensio
Perrine Davoine
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.)
Solvay SA
Original Assignee
Solvay SA
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 Solvay SA filed Critical Solvay SA
Publication of EP4709687A1 publication Critical patent/EP4709687A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/46—Apparatus therefor
    • B01D61/465—Apparatus therefor comprising the membrane sequence AB or BA, where B is a bipolar membrane
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/26—Carbonates or bicarbonates of ammonium
    • 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
    • C01D7/18—Preparation by the ammonia-soda process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un procédé de production de (NH4)2CO3 et de Na2CO3 dans un empilement de cellules d'électrodialyseur par alimentation d'une chambre de base de l'empilement de cellules d'électrodialyseur avec une solution aqueuse comprenant du NH4Cl, du NaCl, du CO2 dissous et obtention d'une solution de sortie de la chambre de base comprenant du (NH4)2CO3 et du Na2CO3, et le pH de la solution de sortie de la chambre de base étant d'au plus 9,5.
EP24724290.2A 2023-05-11 2024-05-13 Procédé de production de carbonate d'ammonium et de carbonate de sodium Pending EP4709687A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23172803.1A EP4461704A1 (fr) 2023-05-11 2023-05-11 Procédé de production de carbonate d'ammonium et de carbonate de sodium
PCT/EP2024/063045 WO2024231571A1 (fr) 2023-05-11 2024-05-13 Procédé de production de carbonate d'ammonium et de carbonate de sodium

Publications (1)

Publication Number Publication Date
EP4709687A1 true EP4709687A1 (fr) 2026-03-18

Family

ID=86332313

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23172803.1A Withdrawn EP4461704A1 (fr) 2023-05-11 2023-05-11 Procédé de production de carbonate d'ammonium et de carbonate de sodium
EP24724290.2A Pending EP4709687A1 (fr) 2023-05-11 2024-05-13 Procédé de production de carbonate d'ammonium et de carbonate de sodium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP23172803.1A Withdrawn EP4461704A1 (fr) 2023-05-11 2023-05-11 Procédé de production de carbonate d'ammonium et de carbonate de sodium

Country Status (3)

Country Link
EP (2) EP4461704A1 (fr)
CN (1) CN121127441A (fr)
WO (1) WO2024231571A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119345879B (zh) * 2024-12-04 2025-12-19 江南大学 一种工业废气中二氧化碳捕集制碱装置及其方法
CN119912033A (zh) * 2025-01-22 2025-05-02 宝武集团环境资源科技有限公司 一种利用芒硝尾矿水洗滤液固碳制碱的电渗析方法及系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2209681A (en) 1937-05-05 1940-07-30 Autoxygen Inc Electrolysis of ammonium chloride
FR2807950B1 (fr) 2000-04-19 2002-07-19 Solvay Procede de fabrication d'une membrane bipolaire et utilisation de la membrane bipolaire ainsi obtenue
EP3006400B1 (fr) 2014-10-09 2017-12-13 Solvay SA Procédé de production d'ammoniac
FR3030477A1 (fr) 2014-12-22 2016-06-24 Solvay Procede de production de carbonate/ bicarbonate de sodium

Also Published As

Publication number Publication date
WO2024231571A1 (fr) 2024-11-14
CN121127441A (zh) 2025-12-12
EP4461704A1 (fr) 2024-11-13

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