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Patents on Phosphate processing - bone and rock phosphate ,

While some people soon made their luck in patenting processes to convert rock phosphate into soluble phosphates which are easier available to plants, others.

Developments in phosphate-rock beneficiation and , - [email protected]

drying methods adopted during the period 1869 to 1945 He also presented over 160 patents on the flotation of phosphate rocks, covering the period 1923-1950.

Fabricating Novel Nanoproducts for Their Use as Fertilizer

Novel process (patents applied) of nanofabrication and beneficiation of Rock Phosphate ore led to heavy-metal free phosphate-rich minerals and Zn-products

Method for manufacture of phosphoric acid from phosphate rock ,

Aug 22, 1978 , United States Patent 4108957 , The method of claim 1 wherein the phosphate rock is crushed to a particle size of less than about 1 micron 7 , The beneficiation process is for the purpose of concentrating the rock so that the.

rock phosphate beneficiation plant process - YouTube

Aug 14, 2016 , More Info Live Chat; phosphate rock beneficiation plant price Patent US3326474, Process for the beneficiation of phosphate rock This matrix is.

Flotation of a carbonate rich sedimentary phosphate rock - Springer

Flotation of Al-Jalamid phosphate rock (sedimentary type with high carbonates and , Lawver JE, McClintock WO and Snow RE (1978) Beneficiation of phosphate rock — A state of the art review , US Patent No 3-462-016 and No 3-462-017

Patent US6994786 - Phosphate beneficiation process using methyl ,

Feb 7, 2006 , A process for use in a phosphate ore beneficiation process to minimize the , phosphate ores that are referred to generically as phosphate rock

The beneficiation of ultrafine phosphate - Jameson Cell

Dec 29, 2011 , Phosphate beneficiation operations around the world which use flotation as the , species so that the rock concentrate would be more amenable to , ing the submission of an international patent application (Teague, 2011)

Phosphorus Fertilizer Production and Technology - International ,

and P minerals (apatite) was patented in mid 1800s , Formation of Phosphate Rock Deposits , After beneficiation, PR is converted to phosphoric ac

Electrostatic beneficiation of phosphate ores - ST Equipment ,

Beneficiation of phosphate ores by dry electrostatic processes has been attempted by , of phosphate pebbles from run-of-mine rock, United States Patent #

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