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FR2235876B1 - - Google Patents

Info

Publication number
FR2235876B1
FR2235876B1 FR7422510A FR7422510A FR2235876B1 FR 2235876 B1 FR2235876 B1 FR 2235876B1 FR 7422510 A FR7422510 A FR 7422510A FR 7422510 A FR7422510 A FR 7422510A FR 2235876 B1 FR2235876 B1 FR 2235876B1
Authority
FR
France
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
FR7422510A
Other versions
FR2235876A1 (fr
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
Publication of FR2235876A1 publication Critical patent/FR2235876A1/fr
Application granted granted Critical
Publication of FR2235876B1 publication Critical patent/FR2235876B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

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)
FR7422510A 1973-07-04 1974-06-27 Expired FR2235876B1 (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 (2)

Publication Number Publication Date
FR2235876A1 FR2235876A1 (fr) 1975-01-31
FR2235876B1 true FR2235876B1 (fr) 1980-05-23

Family

ID=5885915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422510A Expired FR2235876B1 (fr) 1973-07-04 1974-06-27

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
ATA530074A (de) 1979-01-15
BR7405372A (pt) 1976-03-03
EG11909A (en) 1979-12-31
DE2334019C3 (de) 1982-11-04
NL7407025A (nl) 1975-01-07
IT1018704B (it) 1977-10-20
NL178408C (nl) 1986-03-17
FR2235876A1 (fr) 1975-01-31
JPS5239799B2 (fr) 1977-10-07
JPS5038696A (fr) 1975-04-10
CH603488A5 (fr) 1978-08-15
PH12113A (en) 1978-11-02
SE7408508L (fr) 1975-01-07
DK350174A (fr) 1975-03-17
FI190074A (fr) 1975-01-05
DE2334019A1 (de) 1975-01-30
SE397332B (sv) 1977-10-31
IL45043A0 (en) 1974-09-10
BE817018A (fr) 1974-12-30
SU589902A3 (ru) 1978-01-25
ES426753A1 (es) 1976-07-16
ZA743713B (en) 1975-06-25
CA1020725A (fr) 1977-11-15
AT351492B (de) 1979-07-25
DE2334019B2 (de) 1976-11-04
DD112420A5 (fr) 1975-04-12
TR19869A (tr) 1980-03-21
GB1463742A (en) 1977-02-09
IL45043A (en) 1977-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse