FI44226B - - Google Patents

Info

Publication number
FI44226B
FI44226B FI0285/66A FI28566A FI44226B FI 44226 B FI44226 B FI 44226B FI 0285/66 A FI0285/66 A FI 0285/66A FI 28566 A FI28566 A FI 28566A FI 44226 B FI44226 B FI 44226B
Authority
FI
Finland
Application number
FI0285/66A
Other languages
Finnish (fi)
Inventor
N Robinson
Original Assignee
Fisons 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
Application filed by Fisons Ltd filed Critical Fisons Ltd
Application granted granted Critical
Publication of FI44226B publication Critical patent/FI44226B/fi

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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
FI0285/66A 1965-02-12 1966-02-04 FI44226B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB6101/65A GB1135951A (en) 1965-02-12 1965-02-12 Phosphoric acid
GB3167465 1965-07-24
GB5087165 1965-11-30

Publications (1)

Publication Number Publication Date
FI44226B true FI44226B (sv) 1971-06-30

Family

ID=27254767

Family Applications (1)

Application Number Title Priority Date Filing Date
FI0285/66A FI44226B (sv) 1965-02-12 1966-02-04

Country Status (10)

Country Link
US (1) US3418077A (sv)
BE (1) BE676166A (sv)
DE (1) DE1567516C3 (sv)
DK (1) DK117289B (sv)
ES (1) ES322743A1 (sv)
FI (1) FI44226B (sv)
FR (1) FR1468050A (sv)
GB (1) GB1135951A (sv)
NL (1) NL6601527A (sv)
SE (1) SE316750C (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140748A (en) * 1976-07-07 1979-02-20 Occidental Petroleum Corporation Hemihydrate type phosphoric acid process with crystal modifier
US3632307A (en) * 1969-04-09 1972-01-04 Albatros Super Fosfaatfabrieke Process for the preparation of phosphoric acid and gypsum from phosphate rock
GB1557663A (en) * 1975-08-01 1979-12-12 Albright & Wilson Process for preparing phosphore acid
US4029743A (en) * 1975-12-24 1977-06-14 Hauge Douglas O Phosphoric acid manufacture
US4196172A (en) * 1976-07-07 1980-04-01 Occidental Petroleum Corporation Hemihydrate type phosphoric acid process
DE146443C (sv) * 1976-07-07 Occidental Petroleum Corp
US4258007A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation Feed system for phosphoric acid production with decreased foaming
US4258008A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation System for phosphoric acid production with decreased foaming
US4277448A (en) * 1977-12-29 1981-07-07 Occidental Petroleum Corporation Phosphoric acid process with high circulation rates
US4220630A (en) * 1978-01-04 1980-09-02 Occidental Petroleum Corporation Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability
US4276270A (en) * 1978-01-06 1981-06-30 Occidental Research Corporation Start-up procedure in producing phosphoric acid by the hemihydrate process
US4260584A (en) * 1978-05-26 1981-04-07 Occidental Petroleum Corporation Apparatus useful for wet process phosphoric acid production
US4363786A (en) * 1978-05-26 1982-12-14 Occidental Chemical Corp. Apparatus for reacting a particulate solid and a liquid
FR2468548A1 (fr) * 1979-10-31 1981-05-08 Rhone Poulenc Ind Perfectionnements au procede de preparation d'acide phosphorique de voie humide
US4328193A (en) * 1980-02-27 1982-05-04 Olin Corporation Process for removing radium from monocalcium phosphate solutions by centrifugation
US4282192A (en) * 1980-02-27 1981-08-04 Olin Corporation Process for producing a calcium sulfate product containing low amounts of radium
US4309395A (en) * 1980-04-21 1982-01-05 Hauge Douglas O Phosphoric acid production
JPS63144107A (ja) * 1986-12-08 1988-06-16 Mitsui Toatsu Chem Inc 高濃度燐酸−半水石こうスラリ−の濾過方法
DE3585627D1 (de) * 1985-12-23 1992-04-16 Prayon Rupel S A Soc Chimique Verfahren zur behandlung von alpha-calciumsulfat-halbhydrat und nach dem vefahren erhaltenes produkt.
US20090294372A1 (en) * 2008-05-30 2009-12-03 Gill Jasbir S Inhibition of water formed scale in acid conditions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897053A (en) * 1954-02-26 1959-07-28 Struthers Wells Corp Wet process for phosphoric acid manufacture
US3017247A (en) * 1957-02-11 1962-01-16 Phillips Petroleum Co Manufacture of phosphoric acid
FR1343574A (fr) * 1962-08-30 1963-11-22 Fisons Ltd Procédé et appareillage pour la fabrication de l'acide phosphorique
US3326635A (en) * 1963-03-25 1967-06-20 Tennessee Valley Authority Phosphoric acid manufacture

Also Published As

Publication number Publication date
DE1567516A1 (de) 1970-04-16
FR1468050A (fr) 1967-02-03
ES322743A1 (es) 1966-11-16
US3418077A (en) 1968-12-24
GB1135951A (en) 1968-12-11
DE1567516C3 (de) 1978-08-24
SE316750C (sv) 1974-11-18
DE1567516B2 (de) 1976-08-26
SE316750B (sv) 1969-11-03
BE676166A (sv) 1966-08-08
DK117289B (da) 1970-04-13
NL6601527A (sv) 1966-08-15

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