IL46826A - Process for the production of phosphoric acid containing calcium phosphates - Google Patents

Process for the production of phosphoric acid containing calcium phosphates

Info

Publication number
IL46826A
IL46826A IL46826A IL4682675A IL46826A IL 46826 A IL46826 A IL 46826A IL 46826 A IL46826 A IL 46826A IL 4682675 A IL4682675 A IL 4682675A IL 46826 A IL46826 A IL 46826A
Authority
IL
Israel
Prior art keywords
stage
evaporation
mother liquor
phosphoric acid
weight
Prior art date
Application number
IL46826A
Other languages
English (en)
Other versions
IL46826A0 (en
Original Assignee
Norsk Hydro As
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 Norsk Hydro As filed Critical Norsk Hydro As
Publication of IL46826A0 publication Critical patent/IL46826A0/xx
Publication of IL46826A publication Critical patent/IL46826A/en

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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/26—Compounds containing phosphorus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S426/00—Food or edible material: processes, compositions, and products
    • Y10S426/807—Poultry or ruminant feed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S71/00—Chemistry: fertilizers
    • Y10S71/03—Defluorination

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Husbandry (AREA)
  • Removal Of Specific Substances (AREA)
  • Fuel Cell (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
IL46826A 1974-03-19 1975-03-13 Process for the production of phosphoric acid containing calcium phosphates IL46826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO740983A NO133266C (de) 1974-03-19 1974-03-19

Publications (2)

Publication Number Publication Date
IL46826A0 IL46826A0 (en) 1975-05-22
IL46826A true IL46826A (en) 1977-03-31

Family

ID=19881519

Family Applications (1)

Application Number Title Priority Date Filing Date
IL46826A IL46826A (en) 1974-03-19 1975-03-13 Process for the production of phosphoric acid containing calcium phosphates

Country Status (25)

Country Link
US (1) US4043789A (de)
JP (1) JPS511394A (de)
BE (1) BE826880A (de)
BR (1) BR7501597A (de)
CA (1) CA1044437A (de)
DD (1) DD116204A5 (de)
DE (1) DE2511801C3 (de)
DK (1) DK134899B (de)
EG (1) EG11662A (de)
ES (1) ES435727A1 (de)
FI (1) FI58766C (de)
FR (1) FR2264773B1 (de)
GB (1) GB1499584A (de)
HU (1) HU171316B (de)
IE (1) IE40770B1 (de)
IL (1) IL46826A (de)
IN (1) IN143137B (de)
IT (1) IT1032331B (de)
NL (1) NL178861C (de)
NO (1) NO133266C (de)
RO (1) RO69799A (de)
SE (1) SE405963B (de)
SU (1) SU692554A3 (de)
TR (1) TR18344A (de)
YU (1) YU61775A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650527A (en) * 1979-09-29 1981-05-07 Fujitsu Ltd Semiconductor integrated circuit device
JPS6161468A (ja) * 1984-08-31 1986-03-29 Seiko Epson Corp 静電気保護回路
FR2825357B1 (fr) * 2001-05-31 2004-04-30 Cit Alcatel Procede de dopage de la silice par du fluor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2091898A (en) * 1933-07-07 1937-08-31 Dorr Co Inc Crystallization
US2689175A (en) * 1952-03-07 1954-09-14 Chemical Construction Corp Production of nitrogenous fertilizers
US3002812A (en) * 1959-02-19 1961-10-03 Int Minerals & Chem Corp Manufacture of defluorinated phosphates
US3099530A (en) * 1959-12-08 1963-07-30 Int Minerals & Chem Corp Manufacture of defluorinated phosphates
US3151941A (en) * 1960-05-02 1964-10-06 Smith Douglass Company Inc Defluorination of peosphoric acid
US3205062A (en) * 1962-03-12 1965-09-07 St Paul Ammonia Products Inc Nitric acid acidulation of phosphate rock
US3195980A (en) * 1962-03-30 1965-07-20 St Paul Ammonia Products Inc Nitrate removal from phosphoric acid liquors
GB1057643A (en) * 1963-03-14 1967-02-01 Armour & Co Concentrated phosphoric acid
US3416889A (en) * 1964-06-22 1968-12-17 Whiting Corp Process and apparatus for manufacturing phosphoric acid
US3939248A (en) * 1964-06-22 1976-02-17 Whiting Corporation Process and apparatus for manufacturing phosphoric acid
US3463609A (en) * 1967-05-04 1969-08-26 Raymond W Garris Phosphoric acid production
US3528771A (en) * 1967-10-10 1970-09-15 Int Minerals & Chem Corp Phosphoric acid clarification
US3620979A (en) * 1968-04-24 1971-11-16 Fmc Corp Process of forming free-flowing, particulate mixtures of phosphates and silicates
US3615195A (en) * 1968-12-11 1971-10-26 Simplot Co J R Fluosilic acid recovery
US3515534A (en) * 1969-09-30 1970-06-02 Tennessee Valley Authority Recycling ammonium sulfate in nitric phosphate processing
US3802846A (en) * 1971-05-21 1974-04-09 Pullman Inc Crystallizer apparatus

Also Published As

Publication number Publication date
NL178861C (nl) 1986-06-02
FI750783A (de) 1975-09-20
BE826880A (fr) 1975-07-16
FI58766C (fi) 1981-04-10
ES435727A1 (es) 1976-12-16
IE40770B1 (en) 1979-08-15
IL46826A0 (en) 1975-05-22
TR18344A (tr) 1977-01-12
US4043789A (en) 1977-08-23
BR7501597A (pt) 1975-12-16
SU692554A3 (ru) 1979-10-15
DE2511801A1 (de) 1975-09-25
NO740983L (de) 1975-09-22
EG11662A (en) 1978-06-30
JPS511394A (de) 1976-01-08
DK134899B (da) 1977-02-07
NO133266B (de) 1975-12-29
DD116204A5 (de) 1975-11-12
HU171316B (hu) 1977-12-28
NL178861B (nl) 1986-01-02
GB1499584A (en) 1978-02-01
SE405963B (sv) 1979-01-15
FR2264773B1 (de) 1977-04-15
DK109475A (de) 1975-09-20
CA1044437A (en) 1978-12-19
YU61775A (en) 1982-05-31
NO133266C (de) 1976-04-07
DE2511801B2 (de) 1978-06-29
DE2511801C3 (de) 1979-03-01
IN143137B (de) 1977-10-08
IT1032331B (it) 1979-05-30
SE7502983L (de) 1975-09-22
FI58766B (fi) 1980-12-31
IE40770L (en) 1975-09-19
FR2264773A1 (de) 1975-10-17
AU7910475A (en) 1976-09-16
DK134899C (de) 1977-06-27
NL7503210A (nl) 1975-09-23
RO69799A (ro) 1982-10-11

Similar Documents

Publication Publication Date Title
US2769686A (en) Recovery of mineral values from leached zone material overlying florida pebble phosphate deposits
US2885265A (en) Process for producing substantially pure orthophosphoric acid
CN104058378A (zh) 用湿法浓缩磷酸渣酸生产磷酸一铵及磷酸铵镁的方法
US4048289A (en) Stabilization of wet-process phosphoric acid
US3795728A (en) Process for manufacturing phosphoric acid and substantially alkalisilico-fluoride-free gypsum
IL25913A (en) Sodium phosphate production
US4222990A (en) Production of fluoride-free phosphates
US4088738A (en) Process for producing phosphoric acid using mixed acid feed and a dicalcium phosphate intermediate
US3342580A (en) Production of phosphates from phosphate rock by solvent extraction
US3494736A (en) Process for removing silicon,aluminum and fluorine from wet process phosphoric acid
US4500502A (en) Process for removing impurities from wet process of phosphoric acid
US4678649A (en) Process for the manufacture of monopotassium phosphate
US4556548A (en) Process for purifying wet-processed phosphoric acid
US4086322A (en) Production of fluoride-free phosphates
US4043789A (en) Process for manufacturing of phosphoric acid
US4160657A (en) Preparation of monocalcium phosphate and phosphoric acid
JPS6071505A (ja) りん酸の製造方法
US4710366A (en) Method for producing stabilized wet process phosphoric acid with low content of magnesium and aluminum
US4822582A (en) Process for the removal of heavy metals from acid, phosphate-containing, aqueous media
US4759920A (en) Process for the manufacture of disodium phosphate
US2920938A (en) Method for manufacture of aluminum fluoride
US3446583A (en) Process of preparing water-soluble phosphates
US4062929A (en) Production of hydrogen fluoride
US4610853A (en) Process for producing purified monoammonium phosphate from wet process phosphoric acid
US5236679A (en) Removal of aluminum contamination during production of phosphoric acid