CA1020725A - Purification de l'acide phosphorique au moyen de solvants organiques - Google Patents

Purification de l'acide phosphorique au moyen de solvants organiques

Info

Publication number
CA1020725A
CA1020725A CA203,698A CA203698A CA1020725A CA 1020725 A CA1020725 A CA 1020725A CA 203698 A CA203698 A CA 203698A CA 1020725 A CA1020725 A CA 1020725A
Authority
CA
Canada
Prior art keywords
purification
phosphoric acid
organic solvents
solvents
organic
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
CA203,698A
Other languages
English (en)
Other versions
CA203698S (en
Inventor
Wolfgang Scheibitz
Bernhard Wojtech
Klaus P. Ehlers
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1020725A publication Critical patent/CA1020725A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
CA203,698A 1973-07-04 1974-06-28 Purification de l'acide phosphorique au moyen de solvants organiques Expired CA1020725A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2334019A DE2334019C3 (de) 1973-07-04 1973-07-04 Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure

Publications (1)

Publication Number Publication Date
CA1020725A true CA1020725A (fr) 1977-11-15

Family

ID=5885915

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203,698A Expired CA1020725A (fr) 1973-07-04 1974-06-28 Purification de l'acide phosphorique au moyen de solvants organiques

Country Status (22)

Country Link
JP (1) JPS5239799B2 (fr)
AT (1) AT351492B (fr)
BE (1) BE817018A (fr)
BR (1) BR7405372A (fr)
CA (1) CA1020725A (fr)
CH (1) CH603488A5 (fr)
DD (1) DD112420A5 (fr)
DE (1) DE2334019C3 (fr)
DK (1) DK350174A (fr)
EG (1) EG11909A (fr)
ES (1) ES426753A1 (fr)
FI (1) FI190074A (fr)
FR (1) FR2235876B1 (fr)
GB (1) GB1463742A (fr)
IL (1) IL45043A (fr)
IT (1) IT1018704B (fr)
NL (1) NL178408C (fr)
PH (1) PH12113A (fr)
SE (1) SE397332B (fr)
SU (1) SU589902A3 (fr)
TR (1) TR19869A (fr)
ZA (1) ZA743713B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1436113A (en) * 1972-04-26 1976-05-19 Albright & Wilson Purification of phosphoric acid
DE2538720C2 (de) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Reinigung von Naßverfahrensphosphorsäure
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur
DE3246415A1 (de) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
JPS60155513A (ja) * 1984-01-23 1985-08-15 Mitsui Toatsu Chem Inc 燐酸液の濃縮方法
DE19703884C2 (de) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure
JP6143808B2 (ja) * 2015-05-28 2017-06-07 曽田香料株式会社 水溶液中の溶質成分の抽出法
DE102016212242B4 (de) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen
CN108862223A (zh) * 2018-09-07 2018-11-23 云南云天化股份有限公司 一种有效延长磷酸浓缩系统设备清洗周期的方法
CN110316891A (zh) * 2019-03-25 2019-10-11 华颢控股(集团)有限公司 一种h酸废水萃取工艺以及改性脂肪族减水剂的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884358C (de) * 1951-09-20 1953-07-27 Gerardo Collardin Verfahren zur Reinigung von technischer Phosphorsaeure

Also Published As

Publication number Publication date
FR2235876B1 (fr) 1980-05-23
PH12113A (en) 1978-11-02
JPS5239799B2 (fr) 1977-10-07
EG11909A (en) 1979-12-31
DK350174A (fr) 1975-03-17
ES426753A1 (es) 1976-07-16
IL45043A (en) 1977-10-31
SE397332B (sv) 1977-10-31
NL178408C (nl) 1986-03-17
IT1018704B (it) 1977-10-20
DD112420A5 (fr) 1975-04-12
TR19869A (tr) 1980-03-21
JPS5038696A (fr) 1975-04-10
IL45043A0 (en) 1974-09-10
DE2334019A1 (de) 1975-01-30
DE2334019C3 (de) 1982-11-04
DE2334019B2 (de) 1976-11-04
SU589902A3 (ru) 1978-01-25
CH603488A5 (fr) 1978-08-15
BE817018A (fr) 1974-12-30
FR2235876A1 (fr) 1975-01-31
SE7408508L (fr) 1975-01-07
GB1463742A (en) 1977-02-09
AT351492B (de) 1979-07-25
BR7405372A (pt) 1976-03-03
ZA743713B (en) 1975-06-25
FI190074A (fr) 1975-01-05
NL7407025A (nl) 1975-01-07
ATA530074A (de) 1979-01-15

Similar Documents

Publication Publication Date Title
CA1020725A (fr) Purification de l'acide phosphorique au moyen de solvants organiques
CA1031135A (fr) Purification de l'acide phosphorique traite par voie humide
CA1032156A (fr) Procede servant a la preparation des derives d'acide acylaminodesacetoxycephalosporanique-7
CA1016162A (en) Purification of sterols by distillation
CA1015131A (en) Cleaning of phosphoric acid
IL44099A0 (en) Phosphoric acid purification
AU474587B2 (en) Phosphoric acid purification
AU8599475A (en) Purification of phosphoric acid by solvent extraction
CA1011084A (en) Phosphoric acid purification
PH13593A (en) Purification of phosphoric acid by solvent extraction
AU464508B2 (en) Purification of organic compounds
AU499409B2 (en) Cephalasporanic acid derivatives
CA1007246A (en) Purification of crude sulfonic acids
IL45359A (en) Process for the purification of phosphoric acid
CA1015529A (en) Process for preparation of purified phosphoric acid
AU503102B2 (en) Purification of phosphoric acid by solvent extraction
CA1013749A (fr) Composes 2-alkoxy-4-phthalimido-5-acide halobenzoique
CA1017326A (en) Method for the purification of 7-aminodesacetoxy-cephalosporanic acid
CA1027949A (fr) Methode de preparation des derives de l'acide benzoylbenzoique
CA1013365A (fr) Procede d'obtention d'acides maleamiques
KR780000653B1 (en) Purification of phosphoric acid
PH17781A (en) Purification of phosphoric acid
AU485324B2 (en) Purification of phosphoric acid
AU478482B2 (en) Cleaning of phosphoric acid
AU488407B2 (en) Process forthe preparation of n-fluorinated organic nitrogen compounds