NL7713753A - Werkwijze ter bereiding van kaliumpolyfosfaat- verbindingen. - Google Patents

Werkwijze ter bereiding van kaliumpolyfosfaat- verbindingen.

Info

Publication number
NL7713753A
NL7713753A NL7713753A NL7713753A NL7713753A NL 7713753 A NL7713753 A NL 7713753A NL 7713753 A NL7713753 A NL 7713753A NL 7713753 A NL7713753 A NL 7713753A NL 7713753 A NL7713753 A NL 7713753A
Authority
NL
Netherlands
Prior art keywords
phosphoric acid
wet
purification
process phosphoric
insoluble
Prior art date
Application number
NL7713753A
Other languages
English (en)
Other versions
NL158150B (nl
Original Assignee
Occidental Res & Eng
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 Occidental Res & Eng filed Critical Occidental Res & Eng
Priority to NL7713753.A priority Critical patent/NL158150B/nl
Publication of NL7713753A publication Critical patent/NL7713753A/nl
Publication of NL158150B publication Critical patent/NL158150B/nl

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
    • C01B25/24—Condensed phosphoric acids
    • 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
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
    • C05B13/06—Alkali and alkaline earth meta- or polyphosphate fertilisers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
NL7713753.A 1965-11-16 1977-12-12 Werkwijze ter bereiding van kaliumpolyfosfaatverbindingen. NL158150B (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7713753.A NL158150B (nl) 1965-11-16 1977-12-12 Werkwijze ter bereiding van kaliumpolyfosfaatverbindingen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6514904A NL155790C (nl) 1965-11-16 1965-11-16 Werkwijze ter bereiding van fosforzuur met hoog p2o5-gehalte.
NL7713753.A NL158150B (nl) 1965-11-16 1977-12-12 Werkwijze ter bereiding van kaliumpolyfosfaatverbindingen.

Publications (2)

Publication Number Publication Date
NL7713753A true NL7713753A (nl) 1978-03-31
NL158150B NL158150B (nl) 1978-10-16

Family

ID=19794670

Family Applications (2)

Application Number Title Priority Date Filing Date
NL6514904A NL155790C (nl) 1965-11-16 1965-11-16 Werkwijze ter bereiding van fosforzuur met hoog p2o5-gehalte.
NL7713753.A NL158150B (nl) 1965-11-16 1977-12-12 Werkwijze ter bereiding van kaliumpolyfosfaatverbindingen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL6514904A NL155790C (nl) 1965-11-16 1965-11-16 Werkwijze ter bereiding van fosforzuur met hoog p2o5-gehalte.

Country Status (1)

Country Link
NL (2) NL155790C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185075A (en) 1967-11-20 1980-01-22 Occidental Research and Engineering Ltd. Phosphoric acid ammoniation apparatus with water quench

Also Published As

Publication number Publication date
NL158150B (nl) 1978-10-16
NL155790C (nl) 1978-02-15
NL6514904A (nl) 1967-05-17

Similar Documents

Publication Publication Date Title
ES322743A1 (es) Un procedimiento continuo para la producciën de acido fosfërico
GB976457A (en) Benefication of ores
FR2354962A1 (fr) Procede de production d'acide phosphorique et de phosphate sans fluor
GB1309578A (en) Process for purifying phosphoric acid
GB1145903A (en) Improvements in or relating to phosphoric acid, and derivatives thereof
NL7713753A (nl) Werkwijze ter bereiding van kaliumpolyfosfaat- verbindingen.
GB1081895A (en) Improvements relating to the production of phosphoric acids
FR2557090B1 (fr) Procede de purification de l'acide phosphorique de voie humide par elimination du cadmium
ES381390A1 (es) Un metodo de produccion de un concentrado de acido fosfori-co.
FI873107A (fi) Foerfarande foer avlaegsnande av tungmetaller fraon surt, fosfatinnehaollande, vattenhaltigt medium.
GB1176723A (en) Purification Process.
GB1436113A (en) Purification of phosphoric acid
ES301506A1 (es) Un metodo de concentrar y purificar acido fosforico obtenido por proceso humedo y otros tipos de acido fosforico impuro.
BE884401A (fr) Perfectionnement au procede de recuperation de l'uranium d'un acide phosphorique impur
BR6786726D0 (pt) Processo de purificacao de acido umido obtido por acidulacao com acido sulfurico de minerios fosfaticos
GB1208632A (en) Improvements in or relating to the production of urea phosphate
SU724440A1 (ru) Способ получени обесфторенного диаммонийфосфата
GB1196760A (en) Method for Processing Papaw Latex, and Product Obtained.
UST105603I4 (en) Process for producing phosphoric acid from low purity phosphate rock
GB1220323A (en) Process for purifying aqueous phosphoric acid solutions
BRUNNER PHOSPHORUS REMOVAL BY ALUM AND IRON CLARIFICATION
GB1104663A (en) Production of ammonium phosphate
ES395802A1 (es) Procedimiento de preparacion de sales potasicas yno amoni- cas de acidos fosforicos y polifosforicos.
FR2031687A5 (en) Purification of phosphoric acid solutions
ES382983A1 (es) Procedimiento para la separacion de iones fosfato a partir de una solucion acuosa de acido hexafluorsilicico.

Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: OCCIDENTAL

V4 Lapsed because of reaching the maximum lifetime of a patent