ZA201407233B - Process for purifying phosphoric acid by nanofiltration - Google Patents

Process for purifying phosphoric acid by nanofiltration

Info

Publication number
ZA201407233B
ZA201407233B ZA2014/07233A ZA201407233A ZA201407233B ZA 201407233 B ZA201407233 B ZA 201407233B ZA 2014/07233 A ZA2014/07233 A ZA 2014/07233A ZA 201407233 A ZA201407233 A ZA 201407233A ZA 201407233 B ZA201407233 B ZA 201407233B
Authority
ZA
South Africa
Prior art keywords
nanofiltration
phosphoric acid
purifying phosphoric
purifying
acid
Prior art date
Application number
ZA2014/07233A
Inventor
Abdelaali Kossir
Khaoula Khaless
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 ZA201407233B publication Critical patent/ZA201407233B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • 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
    • B01D61/027—Nanofiltration
    • 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
    • C01B25/234—Purification; Stabilisation; Concentration
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/10—Specific pressure applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/46—Impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/16—Membrane materials having positively charged functional groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/30—Chemical resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA2014/07233A 2012-03-06 2014-10-06 Process for purifying phosphoric acid by nanofiltration ZA201407233B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1252031A FR2987830B1 (en) 2012-03-06 2012-03-06 PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID BY NANOFILTRATION
US201261611141P 2012-03-15 2012-03-15
PCT/MA2013/000003 WO2013133684A1 (en) 2012-03-06 2013-03-06 Process for purifying phosphoric acid by nanofiltration

Publications (1)

Publication Number Publication Date
ZA201407233B true ZA201407233B (en) 2016-07-27

Family

ID=46197454

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/07233A ZA201407233B (en) 2012-03-06 2014-10-06 Process for purifying phosphoric acid by nanofiltration

Country Status (6)

Country Link
AU (1) AU2013228080B2 (en)
CA (1) CA2870066C (en)
FR (1) FR2987830B1 (en)
RU (1) RU2625872C2 (en)
WO (1) WO2013133684A1 (en)
ZA (1) ZA201407233B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2522244B (en) * 2014-01-20 2017-03-01 Bateman Advanced Tech Ltd Method of purifying phosphoric acid
CN104828795B (en) * 2015-05-13 2017-03-01 南京工业大学 A kind of method of ceramic membrane wet method phosphoric acid manufacture process
CN110655052A (en) * 2019-10-11 2020-01-07 四川思达能环保科技有限公司 Method for preparing phosphoric acid by decomposing phosphate ore with hydrochloric acid
CN111591967A (en) * 2020-05-29 2020-08-28 盛隆资源再生（无锡）有限公司 Recovery processing method of phosphoric acid waste acid
EP3925689A1 (en) 2020-06-16 2021-12-22 Prayon Process for purifying a phosphate containing acidic solution comprising impurities and apparatus for applying same
FR3117103A1 (en) 2020-12-09 2022-06-10 Ocp Sa METHOD FOR DETERMINING MIXING PARAMETERS FOR THE PREPARATION OF A PHOSPHORIC ACID SOLUTION COMPRISING A CONTROLLED CONTENT OF ONE OR MORE OF ITS CONSTITUENTS
CN112978694A (en) * 2021-04-29 2021-06-18 上海化工研究院有限公司 Process for purifying industrial wet-process phosphoric acid by adopting nanofiltration membrane
WO2023083958A1 (en) 2021-11-12 2023-05-19 Takhim For Technology And Business Services Process for the production of a purified phosphoric acid solution and/or dicalcium phosphate salts
MA57233B1 (en) 2022-07-25 2024-04-30 Univ Mohammed Vi Polytechnique PROCESS FOR OBTAINING URANIUM SALTS BY NANOFILTRATION OF AN ACID ELUATE
CN115448271B (en) * 2022-09-16 2023-10-31 衢州华友钴新材料有限公司 Purification method and purification system of wet-process phosphoric acid and preparation method of ferric phosphate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6283885A (en) * 1985-10-08 1987-04-17 Nitto Electric Ind Co Ltd Immobilized enzyme membrane and production thereof
KR950014052A (en) * 1994-04-07 1995-06-15 잭 이. 데온즈 Method and apparatus for recovering carboxylic acid from dilution solution
IL123326A (en) * 1998-02-16 2001-10-31 Bpt Biopure Technologies Ltd Selective membrane and process for its preparation
JP4705746B2 (en) * 2000-05-23 2011-06-22 ジーイー・オズモニクス・インコーポレイテッド Acid stable membranes for nanofiltration
JP4778911B2 (en) * 2003-12-05 2011-09-21 エクソンモービル リサーチ アンド エンジニアリング カンパニー Acid extraction method for hydrocarbon raw materials
US7837880B2 (en) * 2004-02-06 2010-11-23 Exxonmobil Research And Engineering Company Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
WO2007135689A2 (en) * 2006-05-24 2007-11-29 Ben Gurion University Of The Negev R&D Authority Membranes, coatings and films and methods for their preparation

Also Published As

Publication number Publication date
AU2013228080A1 (en) 2014-10-30
CA2870066C (en) 2020-05-12
RU2625872C2 (en) 2017-07-19
RU2014140320A (en) 2016-04-27
FR2987830B1 (en) 2014-12-12
WO2013133684A1 (en) 2013-09-12
CA2870066A1 (en) 2013-09-12
AU2013228080B2 (en) 2017-09-07
FR2987830A1 (en) 2013-09-13

Similar Documents

Publication Publication Date Title
ZA201407233B (en) Process for purifying phosphoric acid by nanofiltration
HRP20182082T1 (en) Method for producing beverages by acid removal
GB2503856B (en) Methods for nucleic acid purification
SG11201405296QA (en) Method for purifying acetonitrile
SG11201502395XA (en) METHOD FOR PRODUCING cis-5-HYDROXY-2-PIPERIDINECARBOXYLIC ACID DERIVATIVE, AND METHOD FOR PURIFYING cis-5-HYDROXY-2-PIPERIDINECARBOXYLIC ACID
HK1208857A1 (en) Process for making amino acid compounds
SG11201403205SA (en) Process for making levulinic acid
EP2872239A4 (en) Nanofiltration process for impurity removal
EP2873730A4 (en) Biological method for producing cis-5-hydroxy-l-pipecolinic acid
HK1204607A1 (en) Process for preparing 4-amino-5-biphenyl-4-yl-2-hydroxymethyl-2- methyl-pentanoic acid compounds 4--5--4--2--2--
EP2818552A4 (en) Method for producing glucaric acid
ZA201304938B (en) Process for producing nitrile-fatty acid compounds
SG11201501216XA (en) Method for purifying acetonitrile
LT3202769T (en) Purification method for phosphaplatin compounds
SG11201403383YA (en) Method for purifying methacrylic acid
PL2714589T3 (en) Dihydrate-hemihydrate process for producing phosphoric acid
SG11201406393UA (en) Method for purifying phenol
EP2784063A4 (en) Method for producing beta-mercaptocarboxylic acid
EP3054008A4 (en) Method for purifying double-stranded ribonucleic acid
EP2857510A4 (en) Method for producing 3-acetylamino-4-hydroxybenzoic acid
EP2837688A4 (en) Method for producing amino acid
EP2796562A4 (en) Method for producing optically-active -substituted- -amino acid
GB201223319D0 (en) Process for producing lactic acid
HK1214960A1 (en) Process for purifying heparan-n-sulfatase -n-
EP2918577A4 (en) Method for purifying aldehyde compound