IE36182B1 - A method of producing phosporic acid and calcium suphate - Google Patents

A method of producing phosporic acid and calcium suphate

Info

Publication number: IE36182B1
Authority: IE; Ireland
Prior art keywords: zone; acid; phosphoric acid; calcium sulphate; producing
Prior art date: 1971-03-23

Application number

IE35073A

Other languages

English (en)

Original Assignee

Rhone Progil

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.)

1971-03-23

Filing date

1973-03-20

Publication date

1976-09-01

1973-03-20 Application filed by Rhone Progil filed Critical Rhone Progil

1976-09-01 Publication of IE36182B1 publication Critical patent/IE36182B1/xx

Links

239000002253 acid Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title 1
229910052791 calcium Inorganic materials 0.000 title 1
239000011575 calcium Substances 0.000 title 1
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 6
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 6
229910000147 aluminium phosphate Inorganic materials 0.000 abstract 3
239000001175 calcium sulphate Substances 0.000 abstract 3
235000011132 calcium sulphate Nutrition 0.000 abstract 3
239000000706 filtrate Substances 0.000 abstract 2
239000002002 slurry Substances 0.000 abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
229910019142 PO4 Inorganic materials 0.000 abstract 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
239000001506 calcium phosphate Substances 0.000 abstract 1
229910000389 calcium phosphate Inorganic materials 0.000 abstract 1
235000011010 calcium phosphates Nutrition 0.000 abstract 1
150000004683 dihydrates Chemical class 0.000 abstract 1
238000001914 filtration Methods 0.000 abstract 1
239000010440 gypsum Substances 0.000 abstract 1
229910052602 gypsum Inorganic materials 0.000 abstract 1
239000010452 phosphate Substances 0.000 abstract 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
239000000047 product Substances 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1
239000001117 sulphuric acid Substances 0.000 abstract 1
235000011149 sulphuric acid Nutrition 0.000 abstract 1
QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 1
238000005406 washing Methods 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- 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)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Removal Of Specific Substances (AREA)

IE35073A 1971-03-23 1973-03-20 A method of producing phosporic acid and calcium suphate IE36182B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7110132A FR2130848A5 (fr)	1971-03-23	1971-03-23

Publications (1)

Publication Number	Publication Date
IE36182B1 true IE36182B1 (en)	1976-09-01

Family

ID=9073983

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IE35073A IE36182B1 (en)	1971-03-23	1973-03-20	A method of producing phosporic acid and calcium suphate

Country Status (12)

Country	Link
BE (1)	BE781083A (fr)
BR (1)	BR7201640D0 (fr)
CA (1)	CA981417A (fr)
ES (1)	ES401081A1 (fr)
FR (1)	FR2130848A5 (fr)
GB (1)	GB1381345A (fr)
IE (1)	IE36182B1 (fr)
IT (1)	IT953939B (fr)
NL (1)	NL172640C (fr)
NO (1)	NO133030C (fr)
SE (1)	SE364495B (fr)
YU (1)	YU73672A (fr)

1971
- 1971-03-23 FR FR7110132A patent/FR2130848A5/fr not_active Expired
1972
- 1972-03-03 IT IT6768772A patent/IT953939B/it active
- 1972-03-09 NL NL7203142A patent/NL172640C/xx not_active IP Right Cessation
- 1972-03-20 SE SE357472A patent/SE364495B/xx unknown
- 1972-03-21 BR BR164072A patent/BR7201640D0/pt unknown
- 1972-03-21 YU YU73672A patent/YU73672A/xx unknown
- 1972-03-22 GB GB1341972A patent/GB1381345A/en not_active Expired
- 1972-03-22 BE BE781083A patent/BE781083A/fr not_active IP Right Cessation
- 1972-03-22 CA CA137,825A patent/CA981417A/en not_active Expired
- 1972-03-22 NO NO95972A patent/NO133030C/no unknown
- 1972-03-22 ES ES401081A patent/ES401081A1/es not_active Expired
1973
- 1973-03-20 IE IE35073A patent/IE36182B1/xx unknown

Also Published As

Publication number	Publication date
IT953939B (it)	1973-08-10
NL172640C (nl)	1983-10-03
BE781083A (fr)	1972-09-22
NL172640B (nl)	1983-05-02
SE364495B (fr)	1974-02-25
NL7203142A (fr)	1972-09-26
ES401081A1 (es)	1975-02-16
DE2213710A1 (de)	1972-09-28
DE2213710B2 (de)	1975-07-24
YU73672A (en)	1982-02-28
BR7201640D0 (pt)	1973-05-24
CA981417A (en)	1976-01-13
NO133030B (fr)	1975-11-17
GB1381345A (en)	1975-01-22
NO133030C (fr)	1976-02-25
FR2130848A5 (fr)	1972-11-10

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