IL54496A - Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor - Google Patents

Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor

Info

Publication number: IL54496A
Authority: IL; Israel
Prior art keywords: concentration; phosphoric acid; electric resistance; resistance heating; wet process
Prior art date: 1977-04-12

Application number

IL54496A

Other languages

English (en)

Other versions

IL54496A0 (en

Original Assignee

Albright & Wilson

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.)

1977-04-12

Filing date

1978-04-12

Publication date

1980-09-16

1978-04-12 Application filed by Albright & Wilson filed Critical Albright & Wilson

1978-07-31 Publication of IL54496A0 publication Critical patent/IL54496A0/xx

1980-09-16 Publication of IL54496A publication Critical patent/IL54496A/xx

Links

NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
238000000034 method Methods 0.000 title 2
229910000147 aluminium phosphate Inorganic materials 0.000 title 1
238000010438 heat treatment Methods 0.000 title 1

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
- C01B25/28—Ammonium phosphates
- 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
- C01B25/26—Phosphates
- C01B25/265—General methods for obtaining phosphates
- 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
- C01B25/405—Polyphosphates of ammonium

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)

IL54496A 1977-04-12 1978-04-12 Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor IL54496A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB15135/77A GB1601474A (en)	1977-04-12	1977-04-12	Purification of wet process phosphoric acid

Publications (2)

Publication Number	Publication Date
IL54496A0 IL54496A0 (en)	1978-07-31
IL54496A true IL54496A (en)	1980-09-16

Family

ID=10053666

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL54496A IL54496A (en)	1977-04-12	1978-04-12	Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor

Country Status (14)

Country	Link
JP (1)	JPS53128595A (fr)
AU (1)	AU518507B2 (fr)
BE (1)	BE865908A (fr)
CA (1)	CA1103887A (fr)
DE (1)	DE2815880A1 (fr)
ES (1)	ES468736A1 (fr)
FR (1)	FR2387188A1 (fr)
GB (1)	GB1601474A (fr)
IL (1)	IL54496A (fr)
IN (1)	IN149004B (fr)
IT (1)	IT1156955B (fr)
NL (1)	NL7803876A (fr)
SE (1)	SE7804144L (fr)
ZA (1)	ZA782113B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1128592A (fr) *	1980-01-15	1982-07-27	C-I-L Inc.	Methode et appareillage pour la concentration d'un liquide
PH21240A (en) *	1980-05-21	1987-08-21	Albright & Wilson	Purification process
JPS63210005A (ja) *	1987-02-24	1988-08-31	Matsushita Electric Works Ltd	セラミック基板の表面を粗化する方法
JP4362976B2 (ja) *	1998-12-28	2009-11-11	東洋紡績株式会社	リン酸の精製方法および高純度ポリリン酸

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1336143A (fr) *	1962-06-15	1963-08-30	Collier Carbon & Chemical Co	Procédé de traitement d'acide phosphorique obtenu par voie humide pour l'obtention de dérivés phosphorés et produits en résultant
GB1081892A (en) *	1964-07-21	1967-09-06	Occidental Res & Eng	Improvements relating to the production of phosphoric acids
FR1468920A (fr) *	1965-11-16	1967-02-10	Occidental Res & Eng	Perfectionnements aux procédés pour la production d'acides phosphoriques à haute teneur en anhydride
FR1545773A (fr) *	1966-09-27	1968-11-15	Electric Reduction Co	Procédé et appareil de purification et de concentration d'acide phosphorique
US3777008A (en) *	1969-09-24	1973-12-04	Cominco Ltd	Solid polyphosphoric acid

1977
- 1977-04-12 GB GB15135/77A patent/GB1601474A/en not_active Expired
1978
- 1978-04-11 AU AU34967/78A patent/AU518507B2/en not_active Expired
- 1978-04-12 DE DE19782815880 patent/DE2815880A1/de not_active Withdrawn
- 1978-04-12 SE SE7804144A patent/SE7804144L/xx unknown
- 1978-04-12 JP JP4222378A patent/JPS53128595A/ja active Pending
- 1978-04-12 BE BE186732A patent/BE865908A/fr not_active IP Right Cessation
- 1978-04-12 IT IT67813/78A patent/IT1156955B/it active
- 1978-04-12 NL NL7803876A patent/NL7803876A/xx not_active Application Discontinuation
- 1978-04-12 CA CA300,997A patent/CA1103887A/fr not_active Expired
- 1978-04-12 ZA ZA782113A patent/ZA782113B/xx unknown
- 1978-04-12 FR FR7810807A patent/FR2387188A1/fr active Granted
- 1978-04-12 IL IL54496A patent/IL54496A/xx unknown
- 1978-04-12 ES ES468736A patent/ES468736A1/es not_active Expired
- 1978-04-12 IN IN262/DEL/78A patent/IN149004B/en unknown

Also Published As

Publication number	Publication date
IT7867813A0 (it)	1978-04-12
JPS53128595A (en)	1978-11-09
BE865908A (fr)	1978-10-12
ES468736A1 (es)	1980-01-01
AU518507B2 (en)	1981-10-01
FR2387188B1 (fr)	1980-08-08
IT1156955B (it)	1987-02-04
FR2387188A1 (fr)	1978-11-10
SE7804144L (sv)	1978-10-13
NL7803876A (nl)	1978-10-16
GB1601474A (en)	1981-10-28
CA1103887A (fr)	1981-06-30
DE2815880A1 (de)	1978-10-26
IN149004B (fr)	1981-08-15
AU3496778A (en)	1979-10-18
IL54496A0 (en)	1978-07-31
ZA782113B (en)	1980-02-27

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