AU5515180A – Purifying phosphoric acid
– Google Patents
AU5515180A – Purifying phosphoric acid
– Google Patents
Purifying phosphoric acid
Info
Publication number
AU5515180A
AU5515180A
AU55151/80A
AU5515180A
AU5515180A
AU 5515180 A
AU5515180 A
AU 5515180A
AU 55151/80 A
AU55151/80 A
AU 55151/80A
AU 5515180 A
AU5515180 A
AU 5515180A
AU 5515180 A
AU5515180 A
AU 5515180A
Authority
AU
Australia
Prior art keywords
phosphoric acid
purifying phosphoric
purifying
acid
phosphoric
Prior art date
1979-04-23
Legal status (The legal status 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 status listed.)
Granted
Application number
AU55151/80A
Other versions
AU533190B2
(en
Inventor
Andrew Chris Poulos
Michael John Thibodeau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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.)
1979-04-23
Filing date
1980-02-01
Publication date
1980-10-30
1980-02-01
Application filed by American Cyanamid Co
filed
Critical
American Cyanamid Co
1980-10-30
Publication of AU5515180A
publication
Critical
patent/AU5515180A/en
1983-11-10
Application granted
granted
Critical
1983-11-10
Publication of AU533190B2
publication
Critical
patent/AU533190B2/en
2000-02-01
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
C01B25/234—Purification; Stabilisation; Concentration
C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
AU55151/80A
1979-04-23
1980-02-01
Purifying phosphoric acid
Ceased
AU533190B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US06/032,594
US4291005A
(en)
1979-04-23
1979-04-23
Settling out suspended solids in phosphoric acid product solutions
US32594
1994-12-21
Publications (2)
Publication Number
Publication Date
AU5515180A
true
AU5515180A
(en)
1980-10-30
AU533190B2
AU533190B2
(en)
1983-11-10
Family
ID=21865757
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU55151/80A
Ceased
AU533190B2
(en)
1979-04-23
1980-02-01
Purifying phosphoric acid
Country Status (7)
Country
Link
US
(1)
US4291005A
(en)
AU
(1)
AU533190B2
(en)
BR
(1)
BR8002220A
(en)
CA
(1)
CA1125474A
(en)
FR
(1)
FR2454996B1
(en)
GB
(1)
GB2047218B
(en)
MA
(1)
MA18820A1
(en)
Families Citing this family (12)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4437997A
(en)
1977-03-28
1984-03-20
Standard Oil Company (Indiana)
Clarification of ammonium polyphosphate solutions
US4354944A
(en)
*
1978-10-13
1982-10-19
Standard Oil Company (Indiana)
Clarification of ammonium polyphosphate solutions
US4800071A
(en)
*
1988-05-03
1989-01-24
Nalco Chemical Company
Filtration aids for removal of calcium solids from aqueous phosphoric acid
US5009873A
(en)
*
1990-01-29
1991-04-23
Nalco Chemical Company
Crystal modification in wet process phosphoric acid production
US5173280A
(en)
*
1991-10-15
1992-12-22
Calgon Corporation
Method of clarifying phosphoric acid using high charge sulfonic-type polymers
US5211928A
(en)
*
1991-10-15
1993-05-18
Calgon Corporation
Method of improving gypsum slurry filtration in the production of phosphoric acid
US5120519A
(en)
*
1991-11-04
1992-06-09
Nalco Chemical Company
Scale control in phosphoric acid manufacture
US5318707A
(en)
*
1992-08-28
1994-06-07
Calgon Corporation
Method of clarifying phosphoric acid
US7396474B2
(en)
*
2005-11-08
2008-07-08
Arr-Maz Products, Lp
Dual injection of two polymeric filtration aids for gypsum removal from phosphoric acid/gypsum slurry
US7563378B2
(en)
*
2005-11-08
2009-07-21
Arr-Max Products, LP
Dual injection of two polymeric filtration aids for gypsum removal from phosphoric acid/gypsum slurry
US9187327B2
(en)
*
2011-01-04
2015-11-17
Nalco Company
Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid
LT3344358T
(en)
2015-09-01
2020-06-25
Cytec Industries Inc.
Polymeric microparticles as filtration and/or clarifying aids in phosphoric acid production
Family Cites Families (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
NL295743A
(en)
*
1962-07-25
US3928551A
(en)
*
1970-07-27
1975-12-23
American Cyanamid Co
Leaching polyelectrolyte fluidized solids
FR2405897A1
(en)
*
1974-03-29
1979-05-11
Quimica Organomex Sa
Impurity removal from wet-process phosphoric acid – by flocculating compsn. of a clay material and oxidising agent
FR2447347A1
(en)
*
1979-01-24
1980-08-22
Rhone Poulenc Ind
PROCESS FOR THE TREATMENT OF AN IMPURE PHOSPHORIC ACID
1979
1979-04-23
US
US06/032,594
patent/US4291005A/en
not_active
Expired – Lifetime
1980
1980-01-31
GB
GB8003392A
patent/GB2047218B/en
not_active
Expired
1980-02-01
AU
AU55151/80A
patent/AU533190B2/en
not_active
Ceased
1980-02-21
FR
FR8003791A
patent/FR2454996B1/en
not_active
Expired
1980-04-10
BR
BR8002220A
patent/BR8002220A/en
unknown
1980-04-21
MA
MA19015A
patent/MA18820A1/en
unknown
1980-04-23
CA
CA350,439A
patent/CA1125474A/en
not_active
Expired
Also Published As
Publication number
Publication date
FR2454996B1
(en)
1985-10-25
US4291005A
(en)
1981-09-22
MA18820A1
(en)
1980-12-31
FR2454996A1
(en)
1980-11-21
CA1125474A
(en)
1982-06-15
AU533190B2
(en)
1983-11-10
BR8002220A
(en)
1980-12-02
GB2047218B
(en)
1983-03-16
GB2047218A
(en)
1980-11-26
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None