FI58767C - Foerfarande foer framstaellning av renad fosforsyra - Google Patents

Foerfarande foer framstaellning av renad fosforsyra Download PDF

Info

Publication number
FI58767C
FI58767C FI750803A FI750803A FI58767C FI 58767 C FI58767 C FI 58767C FI 750803 A FI750803 A FI 750803A FI 750803 A FI750803 A FI 750803A FI 58767 C FI58767 C FI 58767C
Authority
FI
Finland
Prior art keywords
urea
phosphoric acid
phosphate
phosphorus
nitrate
Prior art date
Application number
FI750803A
Other languages
English (en)
Finnish (fi)
Other versions
FI58767B (fi
FI750803A (no
Inventor
Alexandre Villard
Original Assignee
Azote & Prod Chim
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 Azote & Prod Chim filed Critical Azote & Prod Chim
Publication of FI750803A publication Critical patent/FI750803A/fi
Application granted granted Critical
Publication of FI58767B publication Critical patent/FI58767B/fi
Publication of FI58767C publication Critical patent/FI58767C/fi

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)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
FI750803A 1974-03-19 1975-03-18 Foerfarande foer framstaellning av renad fosforsyra FI58767C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7409158 1974-03-19
FR7409158A FR2264774B1 (no) 1974-03-19 1974-03-19

Publications (3)

Publication Number Publication Date
FI750803A FI750803A (no) 1975-09-20
FI58767B FI58767B (fi) 1980-12-31
FI58767C true FI58767C (fi) 1981-04-10

Family

ID=9136486

Family Applications (1)

Application Number Title Priority Date Filing Date
FI750803A FI58767C (fi) 1974-03-19 1975-03-18 Foerfarande foer framstaellning av renad fosforsyra

Country Status (14)

Country Link
JP (1) JPS5440075B2 (no)
BE (1) BE826810A (no)
ES (1) ES435760A1 (no)
FI (1) FI58767C (no)
FR (1) FR2264774B1 (no)
GB (1) GB1438269A (no)
IL (1) IL46740A (no)
IT (1) IT1036884B (no)
MX (1) MX3087E (no)
NL (1) NL167391C (no)
NO (1) NO138526C (no)
SE (2) SE393361B (no)
YU (1) YU36663B (no)
ZA (1) ZA751297B (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES482524A1 (es) * 1979-07-17 1980-04-01 Cros Sa Procedimiento para la preparacion de acido fosforico grado alimentacion humana.
TW421606B (en) * 1995-06-21 2001-02-11 Mohamed Takhim Method of purifying substances by extraction from a liquid medium
WO2008046428A1 (en) * 2006-10-18 2008-04-24 Fekria Ahmed Fathi Kassem New method for cheap production of urea phosphate
CN103170221A (zh) * 2013-04-18 2013-06-26 瓮福（集团）有限责任公司 一种湿法磷酸反应尾气处理的方法及装置
CN104311181B (zh) * 2014-09-19 2017-02-08 贵州大学 一种水蜜桃专用肥的配制方法
CN107473990A (zh) * 2017-07-24 2017-12-15 湖北三宁化工股份有限公司 一种磷酸脲母液水溶性肥料及制备方法
USD943707S1 (en) * 2019-10-25 2022-02-15 Tianjin Bright Sight Commerce Co., Ltd. Filter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754920A (fr) * 1969-08-22 1971-02-01 Hachez Pierre Procede de purification de l'acide phosphorique produit par voie humideet d'un sous-produit phosphate a base de potassium utilisable comme engrais

Also Published As

Publication number Publication date
NO138526B (no) 1978-06-12
NL167391B (nl) 1981-07-16
JPS5440075B2 (no) 1979-12-01
IL46740A0 (en) 1975-05-22
NL7503004A (nl) 1975-09-23
ES435760A1 (es) 1976-12-16
DE2511345B2 (de) 1977-02-17
JPS50131892A (no) 1975-10-18
YU36663B (en) 1984-08-31
SE7503010L (no) 1975-09-22
DE2511345A1 (de) 1975-09-25
NL167391C (nl) 1981-12-16
NO750908L (no) 1975-09-22
FR2264774B1 (no) 1977-06-17
FR2264774A1 (no) 1975-10-17
GB1438269A (en) 1976-06-03
NO138526C (no) 1978-09-20
BE826810A (fr) 1975-09-18
IT1036884B (it) 1979-10-30
FI58767B (fi) 1980-12-31
SE393361B (sv) 1977-05-09
IL46740A (en) 1977-07-31
MX3087E (es) 1980-03-27
YU60675A (en) 1982-06-18
FI750803A (no) 1975-09-20
ZA751297B (en) 1976-01-28

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: AZOTE ET PRODUITS CHIMIQUES S.A.