Nov 17

patent of dicalcium phosphate from rock phosphate

patent of dicalcium phosphate from rock phosphate,Process for producing phosphoric acid and dicalcium phosphateUS3118731A * 1959-10-28 1964-01-21 Svanoe. US3150957A * 1961-06-07 1964-09-29 Armour & Co Treatment of phosphate rock. GB1089682A * 1964-07-24 1967-11-01 Fisons Ltd Dicalcium phosphate. US3410656A * 1966-06-01 1968-11-12 Fmc Corp Phosphoric acid purification.patent of dicalcium phosphate from rock phosphate,US2728635A - Production of feed grade dicalcium phosphate .US2013970A * 1933-02-10 1935-09-10 U S Phosphoric Products Corp Process of producing phosphoric acid and derivatives of the same. US2021527A * 1931-08-31 1935-11-19 Ig Farbenindustrie Ag Process of producing dicalcium phosphate and fertilizers containing same. US2043238A.

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US4265867A - Preparation of dicalcium phosphate - Google PatentsCalcium oxide particles are suspended in an inert, water-insoluble, organic carrier liquid. While the suspension is agitated, phosphoric acid and water are added whereby to form agglomerates consisting of dicalcium phosphate useful in animal feeds.patent of dicalcium phosphate from rock phosphate,Di-calcium phosphate by direct acidulation of phosphate rockphosphate rock with sulfuric acid or phosphoric acid. The acidulation process converts the highly insoluble phosphate in mineral apatite into forms which are available to plants, such as mono-calcium phosphate an£^ di-calcium phosphate CaHPO^. "When phosphate rock is treated with sufficient acid, mono-calcium.

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20 Comment on patent of dicalcium phosphate from rock phosphate

Production of defluorinated dicalcium phosphate from phosphate .

A new process to produce defluorinated dicalcium phosphate (DCP) using phosphate rock concentrate has been developed. This new process has as main characteristic the low concentration of P2O5in the.

Processes for the manufacture of feed-grade dicalcium phosphate .

Oct 26, 1976 . Processes for the manufacture of feed-grade dicalcium phosphate and phosphoric acid. United States Patent 3988420. Abstract: The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid. The process comprises the reaction of an excess.

US2728635A - Production of feed grade dicalcium phosphate .

US2013970A * 1933-02-10 1935-09-10 U S Phosphoric Products Corp Process of producing phosphoric acid and derivatives of the same. US2021527A * 1931-08-31 1935-11-19 Ig Farbenindustrie Ag Process of producing dicalcium phosphate and fertilizers containing same. US2043238A.

Process for producing phosphoric acid and dicalcium phosphate

US3118731A * 1959-10-28 1964-01-21 Svanoe. US3150957A * 1961-06-07 1964-09-29 Armour & Co Treatment of phosphate rock. GB1089682A * 1964-07-24 1967-11-01 Fisons Ltd Dicalcium phosphate. US3410656A * 1966-06-01 1968-11-12 Fmc Corp Phosphoric acid purification.

US2882127A - Granular dicalcium phosphate . - Google Patents

I. M. LE GRANULAR DICALCIUM PH BARON OSPHATE PRODUCT AND METHOD FOR THE- PRODUCTION THEREOF PHOSPHATE ROCK Filed May 14, 1958 SULFURICL ACID MIXING sTATIoN STORAGE I H2O /2 1/-coNvEYoR I LEACHING STATION /41/-CONDUIT FILTER STATION I DEFLUORINAITION STATION.

Process for the manufacture of monopotassium phosphate

US3956464A * 1970-10-16 1976-05-11 Pennzoil Company Preparation of phosphates. US4160657A * 1978-01-19 1979-07-10 Pennzoil Company Preparation of monocalcium phosphate and phosphoric acid. Family To Family Citations. US3600152A * 1968-08-27 1971-08-17 Pennzoil.

Production of defluorinated dicalcium phosphate from phosphate .

A new process to produce defluorinated dicalcium phosphate (DCP) using phosphate rock concentrate has been developed. This new process has as main characteristic the low concentration of P2O5in the.

Kinetics of phosphoric acid production by decomposition of .

Monocalcium phosphate (MCP) dissociates in organic solvents to phosphoric acid and dicalcium phosphate. This reaction may be used conveniently to produce pure phosphoric acid from low-grade ores and wastes. This research deals with the kinetics of this reaction, which occurs in two grades: an introduction period and.

CPC Definition - C05B PHOSPHATIC FERTILISERS

Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly. Definition statement. This place covers: Fertilisers produced by reacting rock or bone phosphates with sulphuric or phosphoric acid in such.

Ecophos Technology Services

The unique, innovative and patented Ecophos process delivers an economic and ecological method for valorising both low and high grade phosphate sources as . The main intermediate of the Ecophos process is Di Calcium Phosphate Dihydrate (DCP) : a pure and concentrated form of phosphate, we call it “super rock”,.

dicalcium phosphate dihydrate, 7789-77-7

Use: Dicalcium phosphate (Dihydrate) is mainly used as a dietary supplement in prepared breakfast cereals, dog treats, enriched flour, and noodle products. It is also used as a tableting agent in some pharmaceutical preparations. It is used in poultry feed and also in some toothpastes as a tartar control agent.

Process for the production of high purity phosphoric acid - Patents

Aug 18, 2011 . Process for the production of high purity phosphoric acid which comprises the steps of: (a) performing an attack of a first phosphate salt with a first strong acid to form a slurry of first . Process according to claim 1, characterized in that the first phosphate salt is calcium monohydrogenophosphate (DCP). 5.

Fertilizer Manufacture, Dicalcium Phosphate Fertilizer by Treatment .

Fertilizer Manufacture, Dicalcium Phosphate Fertilizer by Treatment of Phosphate Rock with Mineral Acids. G. L. Bridger, T.I. Horzella, and K. H. Lin. J. Agric. Food Chem. , 1956, 4 (4), pp 331–337. DOI: 10.1021/jf60062a002. Publication Date: April 1956. ACS Legacy Archive. Cite this:J. Agric. Food Chem. 4, 4, 331-337.

A-TAB (Dicalcium Phosphate, Anhydrous, Granular) (1/2)

Dibasic Calcium Phosphate Anhydrous. Phosphoric acid, calcium salt (1:1). Calcium Phosphate, Anhydrous (1:1). Calcium Hydrogen Phosphate Anhydrous . recommendation for uses which infringe valid patents or as extending license under valid patents. A-TAB. ®. (Dicalcium Phosphate, Anhydrous, Granular) (2/2).

patent of dicalcium phosphate from rock phosphate,

Patent US6458423 - Sprayable phosphate cementitious . - Google

A sprayed-on phosphate cement coating formed from the combination and reaction of a phosphoric acid solution and a base metal solution. The acid solution and base . of water and calcined lime and silica. Upon curing, the primary constituents of Portland cement are dicalcium silicate and tri-calcium silicate phases.

Press release - Veolia Water Technologies

May 26, 2016 . EcoPhos, an innovative provider of technological solutions for the global phosphate market, has awarded . metric tons (MT) of di-calcium phosphate (DCP), 33,600 MT of purified phosphoric acid (PPA), and 90,000 MT per . The unique, innovative, and patented EcoPhos process delivers an economically.

TRISODIUM PHOSPHATE, DODECAHYDRATE - Innophos

A-TAB®. (DICALCIUM PHOSPHATE, ANHYDROUS GRANULAR). IDENTIFICATION. CAS Number [7757-93-9]. SYNONYM. Dibasic Calcium Phosphate Anhydrous. Phosphoric acid, calcium salt (1:1). Calcium Phosphate, Anhydrous (1:1). Calcium Hydrogen Phosphate Anhydrous. Calcii hydrogenophosphas anhydricus.

patent of dicalcium phosphate from rock phosphate,

A Preparation of High Purity Phosphatic Salts from Purified .

The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid. The process comprises the reaction of an excess of phosphate rocks with aqueous solutions of a mineral acid selected from hydrochloric acid, phosphoric acid and nitric acid, characterized by the.

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