patent of dicalcium phosphate from rock phosphate


EP0199912A2 - Google Patents -

-% dicalcium phosphate dihydrate. 4. The method according to claim 3 characterized in that the phosphoric acid is added in a concentration of 40-85

second amended complaint for damages and - RPX Insight

business and harm Forrester including infringing on patents held by Forrester and phosphate dicalcium phosphate tricalcium phosphate granular triple The use of WES-PHix phosphoric acid for stabilization of bottom ash caused a.

US Patent for Production of dicalcium phosphate or

25 Aug 1999 The calcium salt may then be hydrolyzed to form a calcium alkali which may then be reacted with the phosphoric acid to produce dicalcium

US2728635A - Production of feed grade dicalcium phosphate

In my patent appli ion Serial No. 4887 referred to above a cyclic method is described for producing dicalcium phosphate from phosphate rock in which

Process of production of anhydrous monocalcium phosphate

Monocalcium phosphate is the primary salt of In the drawing: orthophosphoric as in U. S. with phosphoric acid in certain amounts at cer- Patent 1913796.

US1736553A - Process of treating phosphate rock - Google

US1736553A - Process of treating phosphate rock - Google Patents Critical: 1929-11-19 Publi ion of US1736553A publi ion Critical patent/US1736553A/en Process for producing mixtures of mono-calcium and di-calcium phosphates.

Production of calcium monohydrogenphosphate from sebaiya

crude phosphoric acid. The second step includes the precipitation of food grade dicalcium phosphate using calcium salt calcium oxide calcium hydroxide or cal

Patent US8501235 - Use of dicalcium phosphate anhydride

6 Aug 2013 Dicalcium phosphate anhydride is generally produced by the neutralisation of phosphoric acid with a basic calcium compound for example

US4113842A - Preparation of dicalcium phosphate from

US4113842A - Preparation of dicalcium phosphate from phosphate rock by the use of sulfur dioxide water and carbonyl compounds - Google Patents.

Poultry feed availability and nutrition in developing countries

phosphates used in poultry diets are dicalcium phosphate bone meal rock phosphate defluorinated phosphate and tricalcium phosphate patented does not imply that these have been endorsed or recommended by FAO in preference to.

Utilization of Apatite Ores IntechOpen

Phosphate rock is an important mineral commodity used in the chemical industry in 1888 by the patents by J.B. Readman 8 and T. Parker and A.E. Robinson 9 . reacts with other portion of phosphate rock to form monocalcium phosphate.

Indian Patents. 202038:A PROCESS FOR THE

Feed grade dicalcium phosphate has a chemical formula CaH PO4 2H2O wherein of rock salt with hydrochloric acid also produces mono calcium phosphate

US2417804A - Stable iodized calcium phosphate - Google

Info: Patent citations 7 ; Cited by 1 ; Similar documents; Priority and Related This invention relates to a stable iodized calcium phosphate and a method of The basic tricalcium phosphate may be prepared by reacting a dilute solution of phosphoric acid with a US2287699A 1942-06-23 Stabilized dicalcium phosphate.

US3030200A - Google Patents -

In the manufacture of fertilizer from phosphate rock it is common practice to acidulate the rock with a controlled. amount of sulphuric acid of about 70%

Dicalcium-Phosphates- Process Technology Appli ions

we provide information such as Process Technology Appli ions Patent Products Dicalcium phosphate also known as calcium monohydrogen phosphate is a rock phosphate is reacted with sulphuric acid to produce phosphoric acid.

Radiation Protection and Management of NORM Residues in

PRODUCTION OF PHOSPHORIC ACID BY THE WET When phosphate rock is digested with Lawes was granted a patent on this idea which permitted him to establish the first monocalcium phosphate; DCP: dicalcium phosphate

Process for the production of dicalcium phosphate - Fox

This is a continuation in part of my pending appli ion for patent Serial No. H20 which process comprises treating phosphate rock with hydrochloric acid

Kinetics of phosphoric acid production by decomposition of

Monocalcium phosphate MCP dissociates in organic solvents to phosphoric acid Dissociation of MCP in organic solvents was the subject of a patent which.

Production of defluorinated dicalcium phosphate from

Production of defluorinated dicalcium phosphate from phosphate rock concentrate. A.M.B. Freitas and ; M. Giulietti Patent 9.105.182-7. Legal CC and Myrick Jr. OD

Di-calcium phosphate by direct acidulation of phosphate rock

phosphate rock to the filtrate and final separation of di-calcium phos phates . In laboratory a pressure process was patented by Zbornik 56 . The phosphoric

US20080241206A1 - Calcium phosphate cements comprising

Calcium phosphate cements comprising autologous bone Download PDF LLC: 2007-03-30 Priority to US11/694807 priority Critical patent/US7658940B2/en: 2007-05-10 NEFBYIFKOOEVPA-UHFFFAOYSA-K Dicalcium phosphate Chemical NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound

for calcium enhancement - Prayon

Dicalcium phosphate DCP :. Is a common constituent in nutritional beverages frozen doughs bakery mixes About us. Prayon is a leading producer of purified phosphoric acid and food- patent and Prayon makes no rep- resentation or

EP1938844A3 - Calcium phosphate cement - Google Patents

The invention is related to a calcium phosphate composition comprising at least component comprising stabilized dicalcium phosphate dihydrate containing

characterization of nano dicalcium phosphate ndcp

21 Oct 2017 Dicalcium phosphate DCP is a dibasic calcium phosphate as a. dietary supplement; it is together with phosphoric acid in a medium of pure ethanol. The. solutions did not Production of Monetite;. Japanese Patent No.

DI-Calcium phosphate DI-hydrate Ca2H4O6P - PubChem

DI-Calcium phosphate DI-hydrate Ca2H4O6P CID 21862903 - structure chemical names physical and chemical properties classifi ion patents literature biological activities safety/hazards/toxicity CID 1004 Phosphoric acid .

US1132171A - Manufacture of phosphate compounds for

Manufacture of phosphate compounds for manures and fertilizers. to the present invention a quantity of insoluble phosphate such as phosphate rock be added to sludge containing about 80% of moisture which is Specifi ion of Letters Patent. US2728635A 1955-12-27 Production of feed grade dicalcium phosphate.

EP1237585A1 - Composition hybride mineral-polymere

Les sources de phosphate de calcium préférées sont essentiellement les apatites publi ion Critical patent/EP1237585A1/fr: 2003-06-18 Appli ion granted 229910000390 dicalcium phosphate Inorganic materials 0 claims description 28 NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound

Process for the manufacture of monopotassium phosphate

give notice to the European Patent Office of opposition to the European patent constituent comprising phosphate rock dicalcium phosphate or a mixture

US3212874A - Process for the production of phosphate

Acidulation of phosphate rock with super phosphoric acid yields a fertilizer for the production of a phosphate fertilizer which com- 3212874 Patented Oct. 19 which are formed by calcination of monocalcium orthophosphate and calcium

Download PDF - MDPI

25 Feb 2020 The structural formula of a calcium phosphate dibasic DCP and b phosphoric acid in the shell of Plastrum testudinis a well-known of Mixing Requirements for Yeast Leavened Bread Dough; U.S. Patent 3556805;.

Method of preparing calcium phosphates - Google Patents

In the production of phosphates from phosphate rock by the sulfuric acid of the P 0 present in the rock to monocalcium phosphate allowing in addition enough

The Technology and Economics of Dicalcium Phosphate via

as an acidulating agent for phosphate rock some. 50 years ago are recorded in the patents of Brettville 2 Braun. i and Schlutius JO .While the production of

US2946656A - Dibasic alkaline earth metal phosphate and

Info: Patent citations 10 ; Cited by 6 ; Similar documents; Priority and Related chloride 100 kg. of infusorial earth and 2 liters of commercial phosphoric acid. During the resulting precipitation of dicalcium phosphate the pH value of the

PDF 213.23 K - Iranian Journal of Chemistry and Chemical

to reduce/eliminate carbonate content by leaching the ground phosphate rock the apatite may be dissolved to form soluble monocalcium phosphate during the.

Présentation PowerPoint - European Sustainable Phosphorus

Animal feed. Decaphos. Low-grade rock / H3PO4. DCP/MCP. Bulgaria. 100kt/y. Running Fly ashes vs. Phosphate rock. Eleme nt. Unit. Typical. Fly ash. Typical LG rock. Sandard Two patented process option developed by EcoPhos for the.

Patent US2872328 - Fired tricalcium bonded silica brick and

The unfired brick is de scribed in concurrently filed patent appli ion Serial No. The feature of applicants tricalcium phosphate bonded silica brick is a sulfuric acid lime and phosphoric acid results in a calcium phosphate-calcium sulfate of putty-like consistency essentially of a calcium sulphate dicalcium phosphate

dicalcium phosphate - Linguee

Many translated example sentences containing "dicalcium phosphate" – Chinese-English dictionary and search identified that a rock phosphate operation is .

Manufacture of mono-calcium phosphate - Google Patents

Patented Dec. mono-calcium phosare to react upon di-calcium phosphate with phate phosphoric acid in a liquid medium in which Particular requirements are

Method and apparatus for producing nitrophosphate fertilizers

Method and apparatus for producing nitrophosphate fertilizers - Patent 0039241. Phosphate bearing rock from which most phosphate based fertilizer is of calcium nitrate phosphoric acid and monocalcium phosphate as well as inert solid

US2965469A - Method of producing high-phosphorous

10 1955 2 Sheets-Sheet 2 ATTRNEYS jUnited States Patent O METHOD OF By effecting the dicalcium phosphate precipitation in a given solution containing be naturally occurring calcium phosphate or phosphate rock containing P205

Previous: quartz ball mill design
Next: ball mill chrome plated supplier

Related Articles

patent of dicalcium phosphate from rock phosphate