NL178408C - METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS - Google Patents

METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS

Info

Publication number
NL178408C
NL178408C NLAANVRAGE7407025,A NL7407025A NL178408C NL 178408 C NL178408 C NL 178408C NL 7407025 A NL7407025 A NL 7407025A NL 178408 C NL178408 C NL 178408C
Authority
NL
Netherlands
Prior art keywords
phosphoric acid
organic solvents
purifying phosphoric
purifying
solvents
Prior art date
Application number
NLAANVRAGE7407025,A
Other languages
Dutch (nl)
Other versions
NL7407025A (en
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 NL7407025A publication Critical patent/NL7407025A/en
Application granted granted Critical
Publication of NL178408C publication Critical patent/NL178408C/en

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)
NLAANVRAGE7407025,A 1973-07-04 1974-05-24 METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS NL178408C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2334019A DE2334019C3 (en) 1973-07-04 1973-07-04 Process for the purification of contaminated aqueous phosphoric acid

Publications (2)

Publication Number Publication Date
NL7407025A NL7407025A (en) 1975-01-07
NL178408C true NL178408C (en) 1986-03-17

Family

ID=5885915

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7407025,A NL178408C (en) 1973-07-04 1974-05-24 METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS

Country Status (22)

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

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 (en) * 1975-08-30 1982-11-18 Giulini Chemie Gmbh, 6700 Ludwigshafen Process for purifying wet process phosphoric acid
FR2447348A1 (en) * 1979-01-24 1980-08-22 Rhone Poulenc Ind PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID
DE3246415A1 (en) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt METHOD FOR PURIFYING WET METHOD PHOSPHORIC ACID
JPS60155513A (en) * 1984-01-23 1985-08-15 Mitsui Toatsu Chem Inc Concentration of phosphoric acid solution
DE19703884C2 (en) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Process for purifying wet process phosphoric acid
JP6143808B2 (en) * 2015-05-28 2017-06-07 曽田香料株式会社 Extraction method of solute components in aqueous solution
DE102016212242B4 (en) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Process for the production of phosphoric acid from phosphorus-containing primary and secondary raw materials
CN108862223A (en) * 2018-09-07 2018-11-23 云南云天化股份有限公司 A kind of effective method for extending the Phosphoric Acid Concentration system equipment cleaning frequency
CN110316891A (en) * 2019-03-25 2019-10-11 华颢控股（集团）有限公司 A kind of preparation method of H acid waste water extraction process and modified aliphatic water reducing agent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884358C (en) * 1951-09-20 1953-07-27 Gerardo Collardin Process for the purification of technical phosphoric acid

Also Published As

Publication number Publication date
SU589902A3 (en) 1978-01-25
JPS5239799B2 (en) 1977-10-07
FI190074A (en) 1975-01-05
FR2235876B1 (en) 1980-05-23
SE7408508L (en) 1975-01-07
BR7405372A (en) 1976-03-03
DE2334019A1 (en) 1975-01-30
EG11909A (en) 1979-12-31
CA1020725A (en) 1977-11-15
SE397332B (en) 1977-10-31
DE2334019B2 (en) 1976-11-04
IL45043A0 (en) 1974-09-10
ATA530074A (en) 1979-01-15
CH603488A5 (en) 1978-08-15
NL7407025A (en) 1975-01-07
IL45043A (en) 1977-10-31
IT1018704B (en) 1977-10-20
BE817018A (en) 1974-12-30
DK350174A (en) 1975-03-17
FR2235876A1 (en) 1975-01-31
JPS5038696A (en) 1975-04-10
PH12113A (en) 1978-11-02
ZA743713B (en) 1975-06-25
ES426753A1 (en) 1976-07-16
GB1463742A (en) 1977-02-09
DE2334019C3 (en) 1982-11-04
TR19869A (en) 1980-03-21
AT351492B (en) 1979-07-25
DD112420A5 (en) 1975-04-12

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee