MA44892A1 - Procede de fabrication de sulfate de sodium a partir de phosphogypse - Google Patents

Procede de fabrication de sulfate de sodium a partir de phosphogypse

Info

Publication number
MA44892A1
MA44892A1 MA44892A MA44892A MA44892A1 MA 44892 A1 MA44892 A1 MA 44892A1 MA 44892 A MA44892 A MA 44892A MA 44892 A MA44892 A MA 44892A MA 44892 A1 MA44892 A1 MA 44892A1
Authority
MA
Morocco
Prior art keywords
phosphogypsum
sodium sulfate
manufacturing sodium
solution
manufacturing
Prior art date
Application number
MA44892A
Other languages
English (en)
Other versions
MA44892B1 (fr
Inventor
Khaoula Khaless
Driss Dhiba
Original Assignee
Ocp 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 Ocp Sa filed Critical Ocp Sa
Publication of MA44892A1 publication Critical patent/MA44892A1/fr
Publication of MA44892B1 publication Critical patent/MA44892B1/fr

Links

Classifications

    • 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
    • C01D5/16—Purification
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • 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
    • 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
    • C01D5/18—Dehydration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

La présente invention concerne un procédé de fabrication de sulfate de sodium à partir de phosphogypse, comprenant: - une étape (101) de lixiviation du phosphogypse au moyen d'une solution basique de sorte à obtenir une solution (s) de sulfate de sodium contenant des impuretés métalliques, ladite solution basique comprenant un agent chélateur adapté pour former des complexes avec au moins une partie desdites impuretés métalliques, - au moins une première étape (103, 104) de filtration de la solution de su
MA44892A 2016-07-27 2017-07-27 Procede de fabrication de sulfate de sodium a partir de phosphogypse MA44892B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1657235A FR3054542B1 (fr) 2016-07-27 2016-07-27 Procede de fabrication de sulfate de sodium a partir de phosphogypse
PCT/MA2017/000016 WO2018021900A2 (fr) 2016-07-27 2017-07-27 Procede de fabrication de sulfate de sodium a partir de phosphogypse

Publications (2)

Publication Number Publication Date
MA44892A1 true MA44892A1 (fr) 2020-03-31
MA44892B1 MA44892B1 (fr) 2020-11-30

Family

ID=57233629

Family Applications (1)

Application Number Title Priority Date Filing Date
MA44892A MA44892B1 (fr) 2016-07-27 2017-07-27 Procede de fabrication de sulfate de sodium a partir de phosphogypse

Country Status (12)

Country Link
US (1) US10689261B2 (fr)
AR (1) AR109181A1 (fr)
BR (1) BR112019001579A2 (fr)
FR (1) FR3054542B1 (fr)
MA (1) MA44892B1 (fr)
MX (1) MX2019001031A (fr)
RU (1) RU2753536C2 (fr)
SA (1) SA519400980B1 (fr)
SG (1) SG11201900716WA (fr)
TN (1) TN2019000023A1 (fr)
WO (1) WO2018021900A2 (fr)
ZA (1) ZA201900892B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110759361B (zh) * 2018-07-25 2021-06-15 江苏省制盐工业研究所有限公司 硫酸钠型卤水或盐硝母液多联产盐硝钾锂的方法
CN111520975A (zh) * 2020-06-02 2020-08-11 湖南省湘衡盐化有限责任公司 一种工业盐干燥系统及其方法
MA51851B1 (fr) 2020-11-23 2022-08-31 Mascir Morocan Foundation For Advanced Science Innovation & Res Procédé d'obtention de sulfate d'ammonium et d'oxalate de calcium à partir de phosphogypse

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH533572A (it) * 1969-12-23 1973-02-15 Sir Soc Italiana Resine Spa Procedimento per la produzione di solfato codico
FR2405898A1 (fr) 1977-10-12 1979-05-11 Rhone Poulenc Ind Procede de purification de sulfate de sodium, notamment de sulfate de sodium renfermant des traces de methionine, et produit obtenu
DE3721667A1 (de) * 1987-06-26 1989-01-05 Mannesmann Ag Verfahren zur herstellung von natriumsulfat
US4966710A (en) * 1990-04-04 1990-10-30 Gte Products Corporation Method for removing magnesium and calcium from sodium sulfate solutions
FR2740354B1 (fr) 1995-10-31 1997-11-28 Rhone Poulenc Chimie Procede de traitement de fumees a base d'oxydes de soufre
WO2006047717A2 (fr) * 2004-10-25 2006-05-04 The Doe Run Resources Corporation Procede permettant de produire du sulfate de sodium de haute purete
EP2268583A4 (fr) * 2008-04-14 2012-05-16 Siemens Ag Elimination de sulfates dans des sources d'eau
CA2746544C (fr) * 2008-12-17 2018-10-16 Akzo Nobel N.V. Procede pour produire du chlore, de la soude caustique et de l'hydrogene
AU2012230776A1 (en) * 2011-03-24 2013-10-31 New Sky Energy, Inc. Sulfate-based electrolysis processing with flexible feed control, and use to capture carbon dioxide
CN102320629B (zh) * 2011-10-08 2013-05-08 福建海能新材料有限公司 利用白炭黑母液水生产试剂级硫酸钠的方法
CN102491452A (zh) * 2011-11-18 2012-06-13 吉林吉恩镍业股份有限公司 纳滤—反渗透组合膜处理硫酸钠废水的工艺
CN103232052B (zh) * 2013-05-20 2014-12-31 昆明理工大学 一种磷石膏直接制备高纯度碳酸钙的方法
CN104211099B (zh) * 2014-08-23 2017-01-25 耿兆翔 工业磷石膏废渣的资源化回收利用方法
FI129103B (fi) * 2017-04-28 2021-07-15 Andritz Oy Menetelmä soodakattilan lentotuhkan käsittelemiseksi
CN107902832B (zh) * 2017-12-15 2023-12-19 安徽普朗膜技术有限公司 硫酸钠结晶母液处理系统

Also Published As

Publication number Publication date
ZA201900892B (en) 2022-01-26
RU2019105384A (ru) 2020-08-27
RU2753536C2 (ru) 2021-08-17
SA519400980B1 (ar) 2023-01-29
SG11201900716WA (en) 2019-02-27
BR112019001579A2 (pt) 2019-05-07
TN2019000023A1 (fr) 2020-07-15
FR3054542B1 (fr) 2018-09-07
RU2019105384A3 (fr) 2020-12-16
US10689261B2 (en) 2020-06-23
MX2019001031A (es) 2019-07-12
FR3054542A1 (fr) 2018-02-02
WO2018021900A3 (fr) 2018-03-15
MA44892B1 (fr) 2020-11-30
AR109181A1 (es) 2018-11-07
US20190263668A1 (en) 2019-08-29
WO2018021900A2 (fr) 2018-02-01

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