[go: up one dir, main page]

TNSN06394A1 - PROCESS FOR PRODUCING PHOSPHORIC ACID - Google Patents

PROCESS FOR PRODUCING PHOSPHORIC ACID

Info

Publication number
TNSN06394A1
TNSN06394A1 TNP2006000394A TNSN06394A TNSN06394A1 TN SN06394 A1 TNSN06394 A1 TN SN06394A1 TN P2006000394 A TNP2006000394 A TN P2006000394A TN SN06394 A TNSN06394 A TN SN06394A TN SN06394 A1 TNSN06394 A1 TN SN06394A1
Authority
TN
Tunisia
Prior art keywords
une
sulfate
contenant
formation
acide phosphorique
Prior art date
Application number
TNP2006000394A
Other languages
French (fr)
Inventor
Serge Kurowski
Original Assignee
Prayon Tech
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 Prayon Tech filed Critical Prayon Tech
Publication of TNSN06394A1 publication Critical patent/TNSN06394A1/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
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • C01B25/225—Dihydrate process
    • 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
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • C01B25/226—Hemihydrate process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Luminescent Compositions (AREA)
  • Fertilizers (AREA)

Abstract

Procédé de production d'acide phosphorique, comprenant une formation d'une première bouillie aqueuse contenant du sulfate de calcium dihydrate et de l'acide phosphorique, une formation d'une deuxième bouillie aqueuse contenant du sulfate de calcium hémihydrate et de l'acide phosphorique et une filtration d'un mélange de ces deux bouillies au travers d'un filtre avec formation d'un gâteau de filtration contenant simultanément du sulfate de calcium dihydrate et hémihydrate et séparation d'une phase aqueuse contenant l'acide phosphorique.
TNP2006000394A 2004-06-01 2006-11-30 PROCESS FOR PRODUCING PHOSPHORIC ACID TNSN06394A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2004/0273A BE1016065A3 (en) 2004-06-01 2004-06-01 Process phosphoric acid production.
PCT/EP2005/052495 WO2005118470A1 (en) 2004-06-01 2005-06-01 Method for producing phosphoric acid

Publications (1)

Publication Number Publication Date
TNSN06394A1 true TNSN06394A1 (en) 2008-02-22

Family

ID=34973657

Family Applications (1)

Application Number Title Priority Date Filing Date
TNP2006000394A TNSN06394A1 (en) 2004-06-01 2006-11-30 PROCESS FOR PRODUCING PHOSPHORIC ACID

Country Status (8)

Country Link
EP (1) EP1771378A1 (en)
CN (1) CN1960941B (en)
BE (1) BE1016065A3 (en)
BR (1) BRPI0510525A (en)
EA (1) EA010973B1 (en)
MA (1) MA28704B1 (en)
TN (1) TNSN06394A1 (en)
WO (1) WO2005118470A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1019055A3 (en) 2009-12-02 2012-02-07 Prayon Technologies PROCESS FOR PRODUCING PHOSPHORIC ACID
US9371230B2 (en) 2011-06-01 2016-06-21 Prayton Technologies Dihydrate-hemihydrate process for producing phosphoric acid
RU2599525C1 (en) * 2015-04-23 2016-10-10 Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам имени профессора Я.В. Самойлова" (ОАО "НИУИФ") Method of producing wet-process phosphoric acid
PL3665124T3 (en) 2017-08-11 2022-01-31 Prayon S.A. Method for etching a phosphate source using acid
CN107840317B (en) * 2017-10-30 2019-12-03 安徽六国化工股份有限公司 A kind of-half water wet method phosphoric acid manufacture process of two water of one-step method
CN107840316B (en) * 2017-10-30 2019-07-19 安徽六国化工股份有限公司 A kind of two step method dihydrate wet phosphoric acid production technology
BE1032252B1 (en) 2023-12-20 2025-07-22 Prayon PROCESS FOR PRODUCING PHOSPHORIC ACID
BE1032259B1 (en) 2023-12-21 2025-07-23 Prayon METHOD FOR DETERMINING THE FEASIBILITY OF PRODUCING A PHOSPHORUS-BASED PRODUCT FROM A PHOSPHATE SOURCE

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE20994E (en) 1928-06-05 1939-01-31 Method of treating raw phosphate
NL29556C (en) 1930-02-13
NL137436C (en) 1960-10-26
BE633677A (en) * 1962-06-29
IL23004A (en) 1964-02-27 1969-03-27 Fosindus Co Process for the purification of residual gypsum produced in the manufacture of phosphoric acid by the reaction of sulphuric acid with natural phosphates
LU49007A1 (en) 1965-07-07 1967-01-09
US3632304A (en) * 1968-09-03 1972-01-04 Universal Oil Prod Co Catalytic oxidation of waste gas streams with fluidizable subdivided particles
US3632307A (en) * 1969-04-09 1972-01-04 Albatros Super Fosfaatfabrieke Process for the preparation of phosphoric acid and gypsum from phosphate rock
US3715191A (en) * 1970-07-13 1973-02-06 Whiting Corp Apparatus for making wet process phosphoric acid
US3911079A (en) * 1971-03-23 1975-10-07 Rhone Progil Method of producing phosphoric acid and calcium sulphate
US4220630A (en) * 1978-01-04 1980-09-02 Occidental Petroleum Corporation Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability
DE2967184D1 (en) * 1979-10-17 1984-09-20 Siape Device for the production of phosphoric acid by the wet process
EP0181029B1 (en) 1984-11-05 1991-06-12 Prayon Développement Société anonyme Continuous process for the preparation of phosphoric acid and of calcium sulphate
US5084261A (en) * 1989-06-22 1992-01-28 Occidental Chemical Corporation Recovery and utilization of gypstack leachate in hemihydrate phosphoric acid process

Also Published As

Publication number Publication date
EP1771378A1 (en) 2007-04-11
EA010973B1 (en) 2008-12-30
EA200602217A1 (en) 2007-04-27
WO2005118470A1 (en) 2005-12-15
CN1960941B (en) 2010-09-08
MA28704B1 (en) 2007-06-01
BRPI0510525A (en) 2007-10-30
CN1960941A (en) 2007-05-09
BE1016065A3 (en) 2006-02-07

Similar Documents

Publication Publication Date Title
EA200900817A1 (en) Method of producing fluorinated substituted heterocyclic compounds
TNSN06394A1 (en) PROCESS FOR PRODUCING PHOSPHORIC ACID
ATE550312T1 (en) METHOD FOR PRODUCING 3,3,3-TRIFLUOROPPYNE
DE602004017329D1 (en) CONDENSED COMPOUNDS THAT RESIST THE VANILLOID RECEPTOR SUBTYPE 1 (VR1) RECEPTOR
MX2007004637A (en) Asymmetric synthesis of dihydrobenzofuran derivatives.
DE602005026310D1 (en) PROCESS FOR THE PRODUCTION OF IBANDRONATE
MA38458B1 (en) Production of phosphoric acid by a two-stage crystallization process
EP2006391A4 (en) PROCESS FOR PRODUCING CARBOXYLIC ACID USING BACTERIUM WITH METHANOL
DE502005010342D1 (en) Substituierte cyclohexylessigsäure-derivate
NO20054100L (en) Process for the preparation of acid addition salts
ATE461934T1 (en) PROCESS FOR PRODUCING 17-HYDROXY-6 BETA, 7 BETA, 15 BETA,16 BETA-BISMETHYLENE-17ALPHA-PREGN-4-EN-3-ON-21-CAR ONIC ACID -LACTONE AND KEY INTERMEDIATE PRODUCTS FOR THIS PROCESS
FR2864787B1 (en) PROCESS FOR PRODUCING SODIUM CHLORIDE SOLUTION AND SODIUM HYPOCHLORURITE
EP1553185A4 (en) PROCESS FOR PRODUCING A SOLUTION CONTAINING UBIQUINONE-10
EP1598317A4 (en) PROCESS FOR THE PRODUCTION OF MIXED ELECTROLYSIS WATER
DE50302888D1 (en) PROCESS FOR THE PREPARATION OF PURE THINOACTIC ACID
DE60012587D1 (en) FRIEDEL-CRAFT METHOD FOR THE PRODUCTION OF THIOXANTHONES
ATE468349T1 (en) LARGE-SCALE PROCESS FOR THE PRODUCTION OF 17-HYDROXY-6BETA, 7BETA, 15BETA,16BETA-BISMETHYLENE-3-OXO-17ALPHA-PREGN-4 EN-21-CARBONIC ACID-GAMMALACTONE AND KEY INTERMEDIATE PRODUCTS FOR THIS PROCESS
EE04798B1 (en) Method for the preparation of the calcium salt of zofenopril
EP3954436A4 (en) METHOD FOR PRODUCING A BIOLOGICAL TISSUE-LIKE STRUCTURE
MA27745A1 (en) SUBSTITUTED BENZOYLUREIDOPYRIDYL-PIPERIDINE AND PYRROLIDINECARBOXYLIC ACID DERIVATIVES, METHOD FOR PRODUCING THE SAME, AND USE THEREOF
UA99585C2 (en) Process for biomass conversion to the hydrocarbon stream
FR2892116B1 (en) PROCESS FOR THE PREPARATION OF A WATER RESISTANT CALCIUM SULFATE COMPOSITION
MXPA05011000A (en) Process for production of essentially chloride-free calcium sulfonate.
DK1725526T3 (en) Process for Preparation of Pyrrolidinoximes
WO2003106432A8 (en) METHOD FOR PRODUCING 4,6-DICHLOR-5-FLUORPYRIMIDINE