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ore concentration patent

  • PROCESS FOR THE CONCENTRATION OF ORES CONTAINING

    Abstract. ABS>A process is described for concentrating certain low grade uranium and gold bearing ores, in which the gangue is mainly quartz. The production of the concentrate is accomplished by subjecting the crushed ore to a froth floatation process using a fatty acid as a collector in conjunction with a potassium amyl xanthate collector.

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  • PROCESS OF EXTRACTING URANIUM AND RADIUM FROM

    Patent Poitte, J. A process is claimed for the extraction of uranium from ores which is an improvement in the known dry attack treatment of uranium ores to an economical yet high rate of extraction. The process concerns solubilization of the uranium contained in the ores and consists of carrying out digestion of the mixtures of ore and reagent, with the possible addition of oxidizing agents.

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  • Froth flotation Wikipedia

    Inventor Hezekiah Bradford of Philadelphia invented a "method of saving floating material in oreseparation and received US patent No. 345951 on July 20, 1886. He had received his first patent in 1834, primarily invented machinery to separate slate from during the 1850s1860s, and invented the Bradford Breaker, currently in use by the industry.

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  • US835120A Ore concentration. Google Patents

    The hereindescribed process of concentrating ores which' consists mixin the powdered ore with water, addingvasmal pro. portion of ah oily liquid having a preferential ailinity for m'etalliferous matter, (amounting Ito a fractionof onepe'r' cent. on the ore), ag' tating the mixture until the oilcoated mineral matter forms in to a` froth

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  • Minerals Separation, Limited Wikipedia

    Minerals Separation Ltd, was a small Londonbased company involved in developing a technique of ore extraction. Organized in 1903 by South African John Ballot, the firm moved to experiment with new processes as well as acquire patents of others until they had perfected a froth flotation process.

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  • US471174A Process of concentrating ores Google Patents

    The failures resulting from the heretoforeknown processes may be briefly stated to be due to the effort of inventors of mechanical processes and builders of oreseparators to obtain the desired concentration withprocesses and machines based upon the theory contained in the statement. by text authorities that all metals and minerals are of greater specific gravity than the rock portion of their respective ores, such

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    11.21 Phosphate Rock Processing US EPA

    A typical beneficiation unit for separating phosphate rock mined in Florida begins with wet screening to separate pebble rock that is larger than 1.43 millimeters (mm) (0.056 inch [in.]) or 14 mesh, and smaller than 6.35 mm (0.25 in.) from the balance of the rock. The pebble rock is shipped as pebble product.

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  • Ore Concentration. The Portal to Texas History

    Creation Information. Chapman, George Albert Tucker, Stanley November 18, 1913.. Context. This patent is part of the collection entitled: Texas Patents and was provided by UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries.

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  • Method of concentration of magnesia chromite ore

    Known combined method for processing an integrated iron ore, chromium, Nickel and cobalt [Japan patent No. 2522, CL 9CQ, Appl. 19.06.1963, publ. 15.04.1964]. The primary ore is divided into classes with a high content of Nickel and iron with a high content of chromium and cobalt.

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  • Process of ore concentration Free Patents Online

    Complete Patent Searching Database and Patent Data Analytics Services. Process of ore concentration STANDARD CHEMICAL COMPANY Login Sign up

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