BR8001595A - Processo para remocao de impurezas de tipo organico a partir de solucoes aquosas de acido fosforico - Google Patents

Processo para remocao de impurezas de tipo organico a partir de solucoes aquosas de acido fosforico

Info

Publication number
BR8001595A
BR8001595A BR8001595A BR8001595A BR8001595A BR 8001595 A BR8001595 A BR 8001595A BR 8001595 A BR8001595 A BR 8001595A BR 8001595 A BR8001595 A BR 8001595A BR 8001595 A BR8001595 A BR 8001595A
Authority
BR
Brazil
Prior art keywords
phosphoric acid
removal
aqueous phosphoric
acid solutions
organic types
Prior art date
Application number
BR8001595A
Other languages
English (en)
Inventor
K Schrodter
A Maurer
G Heymer
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 BR8001595A publication Critical patent/BR8001595A/pt

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
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Physical Water Treatments (AREA)
  • Removal Of Specific Substances (AREA)
BR8001595A 1979-03-19 1980-03-18 Processo para remocao de impurezas de tipo organico a partir de solucoes aquosas de acido fosforico BR8001595A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792910711 DE2910711A1 (de) 1979-03-19 1979-03-19 Verfahren zur entfernung von verunreinigungen organischer art aus phosphorsaeure

Publications (1)

Publication Number Publication Date
BR8001595A true BR8001595A (pt) 1980-11-18

Family

ID=6065788

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8001595A BR8001595A (pt) 1979-03-19 1980-03-18 Processo para remocao de impurezas de tipo organico a partir de solucoes aquosas de acido fosforico

Country Status (15)

Country Link
US (1) US4279878A (pt)
EP (1) EP0016996B1 (pt)
JP (1) JPS5919045B2 (pt)
AT (1) ATE1349T1 (pt)
BR (1) BR8001595A (pt)
CA (1) CA1141940A (pt)
DD (1) DD149499A5 (pt)
DE (2) DE2910711A1 (pt)
DK (1) DK149802B (pt)
ES (1) ES488202A1 (pt)
IE (1) IE49557B1 (pt)
IL (1) IL59595A (pt)
MA (1) MA18778A1 (pt)
PH (1) PH14566A (pt)
ZA (1) ZA801550B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3131847A1 (de) * 1981-08-12 1983-03-17 Hoechst Ag, 6000 Frankfurt Verfahren zur entfernung von organischen verunreinigungen aus phosphorsaeure
US4457899A (en) * 1981-11-23 1984-07-03 Mobil Oil Corporation Process for removal of residual organic matter from purified phosphoric acid
DE3325121A1 (de) * 1983-07-12 1985-01-24 Hoechst Ag, 6230 Frankfurt Verfahren und vorrichtung zur entfernung von fluor und organischen verbindungen aus vorgefertigter nassverfahrensphosphorsaeure
US4643883A (en) * 1986-01-22 1987-02-17 International Minerals & Chemical Corp. Method of decolorizing wet process phosphoric acid
US4804526A (en) * 1987-10-13 1989-02-14 Fmc Corporation Process for purifying phosphoric acid for electrical semiconductor use
DE3806822A1 (de) * 1988-03-03 1989-09-14 Hoechst Ag Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure
DE102005057913A1 (de) * 2005-12-02 2007-06-06 Vopelius Chemie Ag Verfahren zur Entfernung von Verunreinigungen und/oder zur Entfärbung von gebrauchter Phosphorsäure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE593370C (de) * 1931-11-05 1934-02-24 Chem Fab Budenheim Akt Ges Reinigung der durch sauren Aufschluss von Rohphosphaten erhaltenen Rohphosphorsaeure
DE884358C (de) * 1951-09-20 1953-07-27 Gerardo Collardin Verfahren zur Reinigung von technischer Phosphorsaeure
US2977191A (en) * 1957-03-19 1961-03-28 Union Chimique Belge Sa Anhydrous colorless phosphates
US3493376A (en) * 1966-10-18 1970-02-03 Horizons Research Inc Dry working black image compositions
DE2522220C3 (de) * 1975-05-20 1982-05-13 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Beseitigung der organischen Verunreinigungen in wässrigen Phosphorsäurelösungen
JPS5297394A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of organic matter in phosphoric acid
DE2813755C3 (de) * 1978-03-30 1982-03-25 Kazachskij naučno-issledovatel'skij proektnyj institut fosfornoj promyšlennosti KazNiiGiprofosfor, Čimkent Verfahren zur Reinigung der Orthophosphorsäure

Also Published As

Publication number Publication date
EP0016996A3 (en) 1980-12-10
IL59595A (en) 1983-07-31
EP0016996B1 (de) 1982-07-21
ZA801550B (en) 1981-04-29
ES488202A1 (es) 1980-09-16
JPS56109805A (en) 1981-08-31
MA18778A1 (fr) 1980-10-01
IE49557B1 (en) 1985-10-30
ATE1349T1 (de) 1982-08-15
DK116980A (da) 1980-09-20
CA1141940A (en) 1983-03-01
JPS5919045B2 (ja) 1984-05-02
EP0016996A2 (de) 1980-10-15
DE2910711A1 (de) 1980-10-02
DE3060672D1 (en) 1982-09-09
US4279878A (en) 1981-07-21
IL59595A0 (en) 1980-06-30
DD149499A5 (de) 1981-07-15
IE800546L (en) 1980-09-19
PH14566A (en) 1981-09-24
DK149802B (da) 1986-10-06

Similar Documents

Publication Publication Date Title
PT69216B (pt) Processo para tratar destilados de petroleo acidos.
BR8204163A (pt) Processo para recuperar oxido de etileno de solucoes aquosas e processo aperfeicoado para recuperar oxido de etileno do efluente gasoso da oxidacao
BR8506446A (pt) Composicao aquosa de peroxido de hidrogenio,processo para inibir a decomposicao de peroxido de hidrogenio e processo para a preparacao de uma composicao
BR0008367A (pt) Processo para abater simultaneamente os óxidos nìtricos e o protóxido de nitrogênio nos gases que contêm os mesmos
BR8301487A (pt) Catalisador para a oxidacao em fase vapor de etileno a oxido de etileno, processo para preparar um catalisador de prata e processo para a oxidacao de etileno com oxigenio molecular a oxido de etileno
BR9306736A (pt) Processo para a remoção de dióxido de enxofre de gases de rejeito
BR8206619A (pt) Processo para recuperacao de oxido de etileno de solucoes aquosas
AR017429A1 (es) Catalizador de acetato de vinilo que comprende paladio, oro, cobre y un cuarto metal y proceso para la produccion de acetato de vinilo por reaccion de etileno, oxigeno o acido acetico como reactivos
BR0112758A (pt) Processos de tratamento, de recuperação de valores metálicos e de produção de ácido sulfúrico e recuperação de metais preciosos
BR8001595A (pt) Processo para remocao de impurezas de tipo organico a partir de solucoes aquosas de acido fosforico
BR7908473A (pt) Processo de depuracao de gas acido
IT7824595A0 (it) Processo di contatto fra gas e liquido specialmente per laproduzione di acido nitrico.
BR7700886A (pt) Processo para remocao de material organico de acido fosforico extraldo,e acido fosforico assim purificado
BR8801677A (pt) Processo para preparacao de alcoois graxos epoxidados
BR8105592A (pt) Processo para produzir etileno glicol pela reacao de metanol,um peroxido organico e formaldeido
PE10595A1 (es) Metodo de elucion de antimonio a partir de fases solidas utilizando acido sulfurico concentrado con contenido de acido clorhidrico diluido
BR9101644A (pt) Processo para a producao de solucoes contendo alquiltetraidro-antrahidroquinonas,processo para producao de alquiltetrahidro-antrahidroquinona ou de alquiltetrahidro-antraquinona,e processo para producao de peroxido de hidrogenio
DE3476792D1 (en) Process for removing ammonia from a gas containing sulphurous acid anhydride
BR9916812A (pt) Processo para purificação de um heteropoliácido
BR8806786A (pt) Processo para separar o oxido de etileno de impurezas aldeidicas
BR8803516A (pt) Processo para o preparo de acido cianidrico
BR8703641A (pt) Processo de cloracao pelo cloro gasoso de compostos fenolicos
BR8900601A (pt) Processo para a preparacao de compostos de 1,2-dissulfona
PT994119E (pt) Processo estereosselectivo para a preparacao do epimero 22r de budesonide
ES2040873T3 (es) Un metodo de purificacion de una solucion acuosa de m-aminofenol.