US4108957A Method for manufacture of phosphoric
Method for manufacture of phosphoric acid ... for the manufacture of phosphoric acid from naturally ... of phosphoric acid from phosphate rock ...
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Patent US4388180 Method for beneficiation of phosphate ...
A process is disclosed which removes gangue minerals from phosphate rock by forming an aqueous ... Method for beneficiation of phosphate rock ... Canadian Patents ...
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Patent US3249534 Fire retarding composition and
Try the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents. ... This phosphate rock, as described, ...
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Preparation of monocalcium phosphate and/or phosphoric ...
Preparation of monocalcium phosphate and/or phosphoric acid from phosphate rock Abstract. Monocalcium phosphate, phosphoric acid and/or potassium phosphate
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Patent US4743438 Process for producing phosphoric
1. In an improved process for recovering phosphate values contained in relatively low purity phosphate rock feed material comprising the steps of sequentially ...
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Beneficiation of phosphate rock patents.com
Beneficiation of phosphate rock containing limestone is accomplished by calcining, cooling, slaking and separation of the slaked lime from the phosphate rock product.
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Patent US2778712 Digestion of phosphate rock
United States Patent DIGESTION 0F PHOSPHATE ROCK Paul Caldwell ... References Cited in the file of this patent UNITED STATES PATENTS 2,683,075 Caldwell July 6,
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Patent US4374817 Formulation of phosphate rock slurries ...
The viscosity of phosphate rock slurries is reduced by incorporating in the slurry both sodium tripolyphosphate and an alkaline material, particularly sodium hydroxide.
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US3364008A Method of defluorinating phosphate rock in
Method of defluorinating phosphate rock in a fluidized bed reactor Download PDF Info Publication number US3364008A. Authority US Grant status Grant Patent type.
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Patent US3803293 Process for the preparation of ...
3,803,293 cid april 9, 1974 d. r. randolph etal process for the preparation of phosphoric a from unground phosphate rock filed may 2.6, 1972 3 sheets-sheet l alm?
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Patent US3177062 Process of making a granulated ...
april 6, 1965 t. p. hignett etal 3,177,052 , process of making a granulted, homogeneous phosphate rock sulfur fertilizer filed june 17. 1965 jw' p ,6w af inventors.
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Method for beneficiation of phosphate rock patents
The present invention relates to a method for beneficiation of phosphate rock by a thermal treatment, wherein an appreciable increase in P.sub.2 O.sub.5 and decrease ...
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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 became ...
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patents on phosphate rock benefication Rock Crusher
patents on phosphate rock benefication XSM is a leading global manufacturer of crushing and milling equipment (patents on phosphate rock benefication
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Patent US3314537 Treatment of phosphate rock
United States Patent TREATMENT OF PHOSPHATE ROCK SLIMES Ernest W. Greene, Westfield, and James B. Duke, Metuchen, N.J., ... Canadian Patents Dev:
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Patent EP1160197A1 Treatment of phosphate
A process for improving grinding of phosphate rock comprises providing phosphate-containing rock in a form which contains from 3 to 25 wt% water, ... Patents ...
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Thermal treatment of phosphate rock patents.com
An improved, substantially more energy efficient, thermal treatment process for use on relatively high organic content phosphate rock is herein taught wherein such ...
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Phosphate rock utilization patents.com
A process providing solubilization of phosphate rock by contacting the rock with sulfurous acid in the presence of an oxidizing agent selected from the group ...
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Patents Google Books
PROCESS F RECOVERING FLUORINE FROM PHOSPHATE ROCK John N. Carothers and ... References Cited in the le of this patent UNITED STATES PATENTS
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Patent US5221466 Phosphate rock benefication
This invention provides an improved method for the rougher flotation of phosphate ore using sodium carbonate to control the pH at about 9.6-10.5. The method ...
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Patent US2660303 Selective flocculation of colloidal ...
FICE SELECTIVE FLOCCULATION OF COLLOIDAL PHOSPHATE ORE IN THE ... of phosphate rock from an aqueous ... UNITED STATES PATENTS Number Name ...
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Patent US3013664 Beneficiation of phosphate rock ...
The method of beneficiating phosphate rock having a particle size of between about minus ... having a particle UNITED STATES PATENTS size of between about ...
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Defluorinated phosphate rock process using lime patents
An improved process is described for preparing defluorinated phosphate rock from fluorine-containing phosphate rock which contains acid insoluble impurities in excess ...
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Patent US2778722 Defluorination of phosphate rock ...
Try the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents. ... Defluorination of phosphate rock US 2778722 A.
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