JPS5297394A - Removal of organic matter in phosphoric acid - Google Patents

Removal of organic matter in phosphoric acid

Info

Publication number
JPS5297394A
JPS5297394A JP1394876A JP1394876A JPS5297394A JP S5297394 A JPS5297394 A JP S5297394A JP 1394876 A JP1394876 A JP 1394876A JP 1394876 A JP1394876 A JP 1394876A JP S5297394 A JPS5297394 A JP S5297394A
Authority
JP
Japan
Prior art keywords
phosphoric acid
organic matter
removal
chlorate
colored
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.)
Pending
Application number
JP1394876A
Other languages
English (en)
Inventor
Mitsuo Kikuchi
Yoichi Hiraga
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11847419&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS5297394(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to JP1394876A priority Critical patent/JPS5297394A/ja
Application filed by Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Priority to US05/695,310 priority patent/US4044108A/en
Priority to IL51166A priority patent/IL51166A/xx
Priority to GB54483/76A priority patent/GB1504480A/en
Priority to MX167628A priority patent/MX146209A/es
Priority to FR7701301A priority patent/FR2340901A1/fr
Priority to DE2704075A priority patent/DE2704075C3/de
Priority to BR7700886A priority patent/BR7700886A/pt
Priority to IT20195/77A priority patent/IT1075652B/it
Publication of JPS5297394A publication Critical patent/JPS5297394A/ja
Pending 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)
  • Catalysts (AREA)
  • Removal Of Specific Substances (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
JP1394876A 1976-02-13 1976-02-13 Removal of organic matter in phosphoric acid Pending JPS5297394A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP1394876A JPS5297394A (en) 1976-02-13 1976-02-13 Removal of organic matter in phosphoric acid
US05/695,310 US4044108A (en) 1976-02-13 1976-06-11 Process for removing organic material from wet process phosphoric acid
IL51166A IL51166A (en) 1976-02-13 1976-12-27 Process for removing organic material from extracted phosphoric acid
GB54483/76A GB1504480A (en) 1976-02-13 1976-12-31 Process for removing organic material from wet process phosphoric acid
MX167628A MX146209A (es) 1976-02-13 1977-01-07 Metodo mejorado para remover material organico del acido fosforico del procedimiento en humedo
FR7701301A FR2340901A1 (fr) 1976-02-13 1977-01-18 Procede d'elimination des produits organiques d'un acide phosphorique obtenu par voie humide
DE2704075A DE2704075C3 (de) 1976-02-13 1977-02-01 Verfahren zur Entfernung von organischen Verunreinigungen aus Phosphorsäure
BR7700886A BR7700886A (pt) 1976-02-13 1977-02-11 Processo para remocao de material organico de acido fosforico extraldo,e acido fosforico assim purificado
IT20195/77A IT1075652B (it) 1976-02-13 1977-02-11 Procedimento per la eliminazione di materiale organico da acido fosforico del processo ad umido

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1394876A JPS5297394A (en) 1976-02-13 1976-02-13 Removal of organic matter in phosphoric acid

Publications (1)

Publication Number Publication Date
JPS5297394A true JPS5297394A (en) 1977-08-16

Family

ID=11847419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1394876A Pending JPS5297394A (en) 1976-02-13 1976-02-13 Removal of organic matter in phosphoric acid

Country Status (9)

Country Link
US (1) US4044108A (ja)
JP (1) JPS5297394A (ja)
BR (1) BR7700886A (ja)
DE (1) DE2704075C3 (ja)
FR (1) FR2340901A1 (ja)
GB (1) GB1504480A (ja)
IL (1) IL51166A (ja)
IT (1) IT1075652B (ja)
MX (1) MX146209A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007298072A (ja) * 2006-04-28 2007-11-15 Hokuto Kenki Service Kk 油圧駆動装置及び同装置を備えた挟み処理装置

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294809A (en) * 1976-05-06 1981-10-13 W. R. Grace & Co. Aeration of phosphoric acid
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
DE2910711A1 (de) * 1979-03-19 1980-10-02 Hoechst Ag Verfahren zur entfernung von verunreinigungen organischer art aus phosphorsaeure
DE2942545A1 (de) * 1979-10-20 1981-06-04 Riedel-De Haen Ag, 3016 Seelze Verfahren zur herstellung einer gereinigten oxidationsbestaendigen anorganischen saeure und danach erhaltene saeure
FR2470090B1 (fr) * 1979-11-20 1986-04-04 Rhone Poulenc Chim Base Procede de purification d'un acide phosphorique de voie humide
US4279877A (en) * 1980-01-10 1981-07-21 W. R. Grace & Co. Oxidative control of post precipitation in phosphoric acid
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
US4301131A (en) * 1980-11-28 1981-11-17 W. R. Grace & Co. Oxidation of phosphoric acid plus K compound addition
US4457899A (en) * 1981-11-23 1984-07-03 Mobil Oil Corporation Process for removal of residual organic matter from purified phosphoric acid
JP2535882B2 (ja) * 1987-03-09 1996-09-18 東ソー株式会社 精製リン酸中の溶解有機物の除去法
US4804526A (en) * 1987-10-13 1989-02-14 Fmc Corporation Process for purifying phosphoric acid for electrical semiconductor use
CN100339299C (zh) * 1998-12-28 2007-09-26 东洋纺织株式会社 精制磷酸的方法
DE69932857T2 (de) * 1998-12-28 2007-03-01 Toyo Boseki K.K. Verfahren zur reinigung von phosphorsäure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE398321C (de) * 1923-03-08 1924-07-07 Michael & Co J Verfahren zur Trennung von Phosphor und Arsen aus technischen Phosphorarsengemischen
DE884358C (de) * 1951-09-20 1953-07-27 Gerardo Collardin Verfahren zur Reinigung von technischer Phosphorsaeure
US2968528A (en) * 1957-07-01 1961-01-17 Int Minerals & Chem Corp Process for producing clarified phosphoric acid
NL301498A (ja) * 1962-12-06
JPS516894A (en) * 1974-07-09 1976-01-20 Toyo Soda Mfg Co Ltd Seiseirinsanno seizoho

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007298072A (ja) * 2006-04-28 2007-11-15 Hokuto Kenki Service Kk 油圧駆動装置及び同装置を備えた挟み処理装置

Also Published As

Publication number Publication date
IL51166A0 (en) 1977-02-28
BR7700886A (pt) 1977-12-06
MX146209A (es) 1982-05-26
DE2704075C3 (de) 1983-01-13
IT1075652B (it) 1985-04-22
DE2704075A1 (de) 1977-08-18
FR2340901A1 (fr) 1977-09-09
GB1504480A (en) 1978-03-22
US4044108A (en) 1977-08-23
FR2340901B1 (ja) 1981-06-12
IL51166A (en) 1979-10-31
DE2704075B2 (de) 1978-10-12

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