DE602004028230D1 - Verfahren zur Reinigung und zur Herstellung von Phosphorsäure - Google Patents

Verfahren zur Reinigung und zur Herstellung von Phosphorsäure

Info

Publication number
DE602004028230D1
DE602004028230D1 DE602004028230T DE602004028230T DE602004028230D1 DE 602004028230 D1 DE602004028230 D1 DE 602004028230D1 DE 602004028230 T DE602004028230 T DE 602004028230T DE 602004028230 T DE602004028230 T DE 602004028230T DE 602004028230 D1 DE602004028230 D1 DE 602004028230D1
Authority
DE
Germany
Prior art keywords
phosphoric acid
phosphoric
crude
gaseous
anhydride
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.)
Active
Application number
DE602004028230T
Other languages
English (en)
Inventor
Yung Hsiung Hsu
Sage Hsu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE602004028230D1 publication Critical patent/DE602004028230D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • C01B25/20—Preparation from elemental phosphorus or phosphoric anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fuel Cell (AREA)
  • Removal Of Specific Substances (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Processing Of Solid Wastes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DE602004028230T 2004-06-29 2004-08-12 Verfahren zur Reinigung und zur Herstellung von Phosphorsäure Active DE602004028230D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW093119094A TWI257915B (en) 2004-06-29 2004-06-29 Processes for purifying phosphoric acid

Publications (1)

Publication Number Publication Date
DE602004028230D1 true DE602004028230D1 (de) 2010-09-02

Family

ID=35057109

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028230T Active DE602004028230D1 (de) 2004-06-29 2004-08-12 Verfahren zur Reinigung und zur Herstellung von Phosphorsäure

Country Status (9)

Country Link
US (2) US7083768B2 (de)
EP (1) EP1614656B1 (de)
JP (1) JP4210633B2 (de)
KR (1) KR100582587B1 (de)
AT (1) ATE474811T1 (de)
DE (1) DE602004028230D1 (de)
MY (1) MY138395A (de)
SG (1) SG118290A1 (de)
TW (1) TWI257915B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI391320B (zh) * 2008-10-16 2013-04-01 Ecophos S A 高純度磷酸生產之製程
CN101531353B (zh) * 2009-04-28 2013-09-25 云南省化工研究院 一种用黄磷直接制取电子级磷酸的方法
CN111268660B (zh) * 2020-03-20 2022-02-01 贵州川恒化工股份有限公司 一种湿法磷酸制备食品级磷酸的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2020976A (en) 1932-04-11 1935-11-12 Swann Res Inc Production of pure phosphoric acid
US3714330A (en) * 1970-08-14 1973-01-30 Cities Service Co Treatment of phosphoric acid to recover alkali metal fluosilicates
US4233278A (en) * 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
US4296082A (en) 1978-04-26 1981-10-20 Albright & Wilson Limited Purification of wet process phosphoric acid
US4215098A (en) * 1978-04-26 1980-07-29 Albright & Wilson Limited Purification of wet process phosphoric acid
US4649035A (en) * 1981-01-07 1987-03-10 James C. Barber And Associates, Inc. Production of phosphorus and phosphoric acid
DE3317497A1 (de) * 1983-05-13 1984-11-15 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von phosphorpentoxid und gegebenenfalls phosphorsaeure unter ausnutzung der reaktionswaerme
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
US4495165A (en) * 1983-10-03 1985-01-22 Gurza Guillermo R Method of purification of phosphoric acid
US4657559A (en) * 1985-05-08 1987-04-14 Freeport Research And Engineering Company Process for seed crystal preparation for phosphoric acid crystallization
US4640828A (en) * 1985-10-22 1987-02-03 International Minerals & Chemical Corp. Separation of dissolved substances from wet process phosphoric acid
NO164768C (no) * 1988-03-04 1990-11-14 Norsk Hydro As Fremgangsmaate for fjerning av tungmetaller, spesielt kadmium, fra fosforsyreholdige loesninger.
US5006319A (en) * 1988-03-04 1991-04-09 Fmc Corporation Process for removing iron, chromium and vanadium from phosphoric acid
DE19703884C2 (de) * 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure

Also Published As

Publication number Publication date
EP1614656A1 (de) 2006-01-11
US20050287061A1 (en) 2005-12-29
KR100582587B1 (ko) 2006-05-23
TW200600450A (en) 2006-01-01
TWI257915B (en) 2006-07-11
MY138395A (en) 2009-05-29
EP1614656B1 (de) 2010-07-21
US7083768B2 (en) 2006-08-01
ATE474811T1 (de) 2010-08-15
JP4210633B2 (ja) 2009-01-21
US7166264B2 (en) 2007-01-23
US20060171871A1 (en) 2006-08-03
SG118290A1 (en) 2006-01-27
JP2006008491A (ja) 2006-01-12
KR20060001774A (ko) 2006-01-06

Similar Documents

Publication Publication Date Title
ATE452870T1 (de) (meth)acrylsaeurekristall und verfahren zur herstellung und aufreinigung von waessriger (meth)acrylsaeure
ATE477230T1 (de) Verfahren und vorrichtung zur herstellung reiner formen von aromatischen carboxyl-säuren
HK1133223A1 (en) Process for scrubbing ammonia from acid gases comprising ammonia and hydrogen sulfide
DE60232066D1 (de) Verfahren zur herstellung von hochreinem amorphem siliciumdioxid aus biogenem material
ATE395324T1 (de) Verfahren zur reinigung von dimethylacetamid (dmac)
ATE377577T1 (de) Verfahren zur herstellung von monolithen durch ein sol-gel verfahren
ATE523579T1 (de) Verfahren zur herstellung von brea aus teer und durch oxidative thermische behanlung von kohleteer erhaltenen destillaten davon
DE60229055D1 (de) Verfahren zur produktion von iohexol hoher reinheit
ATE308495T1 (de) Verfahren zur herstellung von octafluorocyclobutan
ATE358666T1 (de) Verfahren zur reinigung von dimethylacetamid (dmac)
ATE306310T1 (de) Verfahren zur reinigung von luft, vorrichtung zur reinigung von luft und mit dieser vorrichtung versehenes gebäude
ATE510812T1 (de) Verfahren zur reinigung von cyclischen ketonen
DE602004028230D1 (de) Verfahren zur Reinigung und zur Herstellung von Phosphorsäure
HUP0302530A2 (hu) Eljárás 2-nitro-4-metilszulfonil-benzoesav tisztítására
ATE499345T1 (de) Verfahren zur aufreinigung von montelukast
DE60100217D1 (de) Verfahren zur Herstellung von hochkonzentrierten Kohlendioxid
ATE403658T1 (de) Verfahren zur herstellung einer lösung von reinem triethylendiamin (teda)
BR9913720A (pt) Processo de purificação por cristalização ourecristalização de ácidos carboxìlicos
DE50206754D1 (de) Verfahren zur herstellung von hochreinem triethylendiamin
ATE215524T1 (de) Verfahren zur herstellung und reinigung von komplexestern
ATE521574T1 (de) Extraktion von siliciumoxid und magnesiumverbindungen aus olivin
ATE395319T1 (de) Verfahren zur reinigung von acrolein
ATE302749T1 (de) Verfahren zur herstellung von 5-aminosalicylsäure
ATE411978T1 (de) Verfahren zur herstellung von alpha-aminoketonen
ATE443153T1 (de) Verfahren zur herstellung von eptifibatid