ZA776558B - Improvements in the preparation of sodium tripolyphosphate - Google Patents

Improvements in the preparation of sodium tripolyphosphate

Info

Publication number
ZA776558B
ZA776558B ZA00776558A ZA776558A ZA776558B ZA 776558 B ZA776558 B ZA 776558B ZA 00776558 A ZA00776558 A ZA 00776558A ZA 776558 A ZA776558 A ZA 776558A ZA 776558 B ZA776558 B ZA 776558B
Authority
ZA
South Africa
Prior art keywords
preparation
sodium tripolyphosphate
tripolyphosphate
sodium
Prior art date
Application number
ZA00776558A
Other languages
English (en)
Inventor
L Cavalli
O Gallistru
A Gellera
Original Assignee
Euteco Spa
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 Euteco Spa filed Critical Euteco Spa
Publication of ZA776558B publication Critical patent/ZA776558B/xx

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
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • 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
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/40—Polyphosphates
    • C01B25/41—Polyphosphates of alkali metals
    • C01B25/412—Preparation from alkali metal orthophosphates
    • C01B25/416—Pure alkali metal polyphosphates from impure starting materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
ZA00776558A 1976-11-19 1977-11-03 Improvements in the preparation of sodium tripolyphosphate ZA776558B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT29543/76A IT1125158B (it) 1976-11-19 1976-11-19 Miglioramenti nei procedimenti per la preparazione di tripolifosfato sodico

Publications (1)

Publication Number Publication Date
ZA776558B true ZA776558B (en) 1978-08-30

Family

ID=11227618

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00776558A ZA776558B (en) 1976-11-19 1977-11-03 Improvements in the preparation of sodium tripolyphosphate

Country Status (8)

Country Link
US (1) US4146575A (es)
AU (1) AU501276B2 (es)
ES (1) ES464265A1 (es)
FR (1) FR2371382A1 (es)
GB (1) GB1590098A (es)
IN (1) IN146258B (es)
IT (1) IT1125158B (es)
ZA (1) ZA776558B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3437686C2 (de) * 1984-10-15 1986-10-02 Hoechst Ag, 6230 Frankfurt Verfahren zur Reduktion von Metallionen in wäßrigen Lösungen
DE3437684C1 (de) * 1984-10-15 1986-06-05 Hoechst Ag, 6230 Frankfurt Verfahren zur Reduktion von Eisen und Vanadium in phosphorsaurer Lösung
DE3444975A1 (de) * 1984-12-10 1986-06-12 Hoechst Ag, 6230 Frankfurt Verfahren zur entarsenierung von phosphorsauren loesungen
US4676963A (en) * 1986-05-09 1987-06-30 Fmc Corporation Manufacture of sodium tripolyphosphate from wet acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1825965A (en) * 1928-07-14 1931-10-06 Bowker Chemical Company Production of disodium phosphate
US1998182A (en) * 1932-07-16 1935-04-16 Victor Chemical Works Production of di-sodium phosphate
US3081151A (en) * 1958-09-23 1963-03-12 Saint Gobain Manufacture of alkali orthophosphates
GB1104900A (en) * 1964-05-04 1968-03-06 Marchon Products Ltd Improvements in the manufacture of alkali metal phosphates
US3421846A (en) * 1965-06-07 1969-01-14 Hooker Chemical Corp Production of sodium phosphates

Also Published As

Publication number Publication date
AU501276B2 (en) 1979-06-14
GB1590098A (en) 1981-05-28
US4146575A (en) 1979-03-27
ES464265A1 (es) 1978-08-01
FR2371382A1 (fr) 1978-06-16
IN146258B (es) 1979-04-07
IT1125158B (it) 1986-05-14
FR2371382B1 (es) 1981-05-08

Similar Documents

Publication Publication Date Title
ZA776057B (en) Improvements in or relating to cleansing
JPS5344563A (en) Preparation of benzothiazolylsulfenamide
PT66146A (en) Preparation of meta-aryloxy-benzaldehydes
PH13874A (en) Preparation of 6-substituted-dihydropyrams
NZ183733A (en) Preparation of 1-n-substituted-kanamycins
ZA773566B (en) Preparation of gamma-pyrones
JPS57115182A (en) Preparation of bacteriocine
JPS52133978A (en) Preparation of 22aryllbenzoxazole or 22arylbenzthiazole
ZA774778B (en) Improvements in or relating to glycerokinases
ZA777087B (en) Improvements in or relating to antibiotics
ZA776558B (en) Improvements in the preparation of sodium tripolyphosphate
IL53038A0 (en) The preparation of certain nuclearchlorinated benzotrichlorides
ZA772232B (en) Improvements relating to the use of fluoroacylresorcins
JPS52116427A (en) Preparation of nitrobenzole
JPS52126491A (en) Preparation of polyyalphaaolefin
SG882G (en) Improvements in or relating to cleansing
ZA774779B (en) Improvements in or relating to tea
JPS5337666A (en) Preparation of monobenzylidenesorbitol
JPS52116463A (en) Preparation of 22oxoopyrrolidineennalkylamide
AU3059777A (en) Preparation of sodium tripolyphosphate
ZA774654B (en) Improvements in or relating to dartboards
JPS5323937A (en) Preparation of paraaaminoarylamine or paraaalkylaminoarylamine
ZA773027B (en) Improvements in or relating to casting
JPS5318560A (en) Preparation of isoindole
JPS52144667A (en) Preparation of nnchlorophalimide