IT1082793B - Procedimento per la preparazione di sali fosfatici particolarmente di fertilizzanti - Google Patents

Procedimento per la preparazione di sali fosfatici particolarmente di fertilizzanti

Info

Publication number
IT1082793B
IT1082793B IT6873977A IT6873977A IT1082793B IT 1082793 B IT1082793 B IT 1082793B IT 6873977 A IT6873977 A IT 6873977A IT 6873977 A IT6873977 A IT 6873977A IT 1082793 B IT1082793 B IT 1082793B
Authority
IT
Italy
Prior art keywords
phosphoric acid
organic solvent
ammonia
alkali
fertilisers
Prior art date
Application number
IT6873977A
Other languages
English (en)
Original Assignee
Albright & Wilson Ltd Ad Oldbu
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 Albright & Wilson Ltd Ad Oldbu filed Critical Albright & Wilson Ltd Ad Oldbu
Application granted granted Critical
Publication of IT1082793B publication Critical patent/IT1082793B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
IT6873977A 1977-10-27 1977-07-26 Procedimento per la preparazione di sali fosfatici particolarmente di fertilizzanti IT1082793B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31257/76A GB1593970A (en) 1977-10-27 1977-10-27 Process for preparing phosphate products

Publications (1)

Publication Number Publication Date
IT1082793B true IT1082793B (it) 1985-05-21

Family

ID=10320392

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6873977A IT1082793B (it) 1977-10-27 1977-07-26 Procedimento per la preparazione di sali fosfatici particolarmente di fertilizzanti

Country Status (12)

Country Link
US (1) US4132540A (it)
JP (1) JPS5315298A (it)
AU (1) AU512538B2 (it)
BE (1) BE857146A (it)
CA (1) CA1105672A (it)
DE (1) DE2732782A1 (it)
FR (1) FR2359790A1 (it)
GB (1) GB1593970A (it)
IL (1) IL52552A (it)
IT (1) IT1082793B (it)
NL (1) NL7708009A (it)
ZA (1) ZA774159B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275038A (en) * 1979-03-01 1981-06-23 Occidental Research Corporation Process for treating loaded extractant from purification of phosphoric acid by extraction and recovering nutrients
JPS56105797A (en) * 1980-01-28 1981-08-22 Kubota Ltd Microorganism filtration equipment
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
DE3413020A1 (de) * 1984-04-06 1985-10-17 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung einer alkaliphosphatloesung
JPS6221034A (ja) * 1985-07-19 1987-01-29 Junkosha Co Ltd 漏液検知センサ
US4751066A (en) * 1986-05-08 1988-06-14 Fmc Corporation Process for preparing alkali metal phosphate
US4676963A (en) * 1986-05-09 1987-06-30 Fmc Corporation Manufacture of sodium tripolyphosphate from wet acid
US4780295A (en) * 1987-07-06 1988-10-25 Fmc Corporation Process for purifying phosphoric acid
SE536607C2 (sv) * 2012-06-21 2014-03-25 Easymining Sweden Ab Framställning av ammoniumfosfater
CN115403018B (zh) * 2022-08-01 2024-01-30 深圳市德方纳米科技股份有限公司 利用高杂磷酸制备磷酸铁的方法和正极材料的制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA672008A (en) * 1963-10-08 C. Gattiker David Method of producing phosphoric acid
US3019099A (en) * 1959-06-10 1962-01-30 Tennessee Valley Authority Manufacture of fluid fertilizer from wet-process phosphoric acid
GB974610A (en) * 1962-05-24 1964-11-04 Canadian Ind Purification of phosphoric acid
US3367738A (en) * 1963-09-23 1968-02-06 Tennessee Corp Process for purifying wet process phosphoric acid with ethyl ether
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery
US3956465A (en) * 1970-06-12 1976-05-11 Azote Et Produits Chimiques S.A. Solvent purification of wet process phosphoric acid
DE2029564C3 (de) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure
US3707357A (en) * 1971-03-23 1972-12-26 United States Steel Corp Wet-process phosphoric acid extraction including separating solvent from extract by freezing solvent
IL42065A (en) * 1972-04-26 1977-07-31 Albright & Wilson Purification of phosphoric acid
SU424849A1 (ru) * 1972-05-12 1974-04-25 Б. Н. Ласкорин, Ш. Голынко , Г. К. Целпщев СПОСОБ ПОЛУЧЕНИЯ ФОСФАТОВ АММОПИЯ1 ,*f :'й г- '••^'•, • ,. Г^-:'' • |Ф1>&1Д ;. .'.Mi.; i•:^J
US3813233A (en) * 1972-08-28 1974-05-28 Tennessee Valley Authority Production of suspension fertilizers from wet-process orthophosphoric acids
IL42774A (en) * 1973-07-18 1976-07-30 Imi Inst For Res & Dev Purification of phosphoric acid
US3975178A (en) * 1973-10-12 1976-08-17 Tennessee Valley Authority Purification of wet-process phosphoric acid with methanol and ammonia
US4024225A (en) * 1973-11-02 1977-05-17 United States Steel Corporation Method of making high purity alkali metal phosphates from wet-process phosphoric acid
US3937783A (en) * 1974-02-21 1976-02-10 Allied Chemical Corporation Recovery of fluorine, uranium and rare earth metal values from phosphoric acid by-product brine raffinate
US3926610A (en) * 1974-06-10 1975-12-16 Phillips Petroleum Co Removal of fertilizer precipitate
US3985538A (en) * 1974-10-24 1976-10-12 Tennessee Valley Authority Pipe reactor-continuous ammoniator process for production of granular phosphates
GB1483853A (en) * 1975-01-30 1977-08-24 Scottish Agricultural Ind Ltd Manufacture of solid ammonium phosphate
US3988140A (en) * 1975-01-30 1976-10-26 Burns Tom V Process for making stable sludge-free ammonium polyphosphate fertilizer solutions
US3993733A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Food grade alkali metal phosphates from wet process H3 PO4

Also Published As

Publication number Publication date
FR2359790A1 (fr) 1978-02-24
FR2359790B1 (it) 1981-01-09
CA1105672A (en) 1981-07-28
BE857146A (fr) 1978-01-26
ZA774159B (en) 1978-07-26
DE2732782A1 (de) 1978-02-02
JPS5315298A (en) 1978-02-10
IL52552A0 (en) 1977-10-31
US4132540A (en) 1979-01-02
GB1593970A (en) 1981-07-22
AU2732177A (en) 1979-02-01
IL52552A (en) 1980-10-26
AU512538B2 (en) 1980-10-16
NL7708009A (nl) 1978-01-31

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