Patent Us Flotation Process Patents

US2099120A - Flotation process - Google Patents

Prior art keywords flotation acid sodium coal water Prior art date 1936-10-15 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation ...

US2132902A - Flotation process - Google Patents

Prior art keywords flotation ores charged process froth Prior art date 1934-06-14 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...

Patent US2512669 - Flotation process - Google Patents

Patented June 27, 1950 FLOTA'I'ION PROCESS James Birney Morrow, Salt Lake City, Utah, al- signor to Koppers Company, Inc., Pittsburgh, Pa., a corporation of Delaware No Drawing. Application August 4, 1948, Serial No. 42,541 ...

US Patent # 5,074,993. Flotation process - Patents

A method of flotation of sulfides wherein pyrrhotite is depressed by use of a water-soluble polyamine while non-ferrous metal-containing sulfide or sulfidized minerals are floated selectively.

Patent US5074993 - Flotation process - Google Patents

A method of flotation of sulfides wherein pyrrhotite is depressed by use of a water-soluble polyamine while non-ferrous metal-containing sulfide or sulfidized minerals are floated selectively.

Patent US4246096 - Flotation process - Google Patents

A method for separating copper sulphides from lead sulphides contained in particulate copper lead sulphide concentrates by a flotation process in which an aqueous alkali metal silicate-alkali metal dichromate reagent solution ...

Patent US2923408 - Flotation process - Google Patents

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Patent US4213853 - Froth flotation - Google Patents

Froth flotation US 4213853 A. ... the froth flotation process of the invention may be employed with excellent results on finely mineralized feed containing appreciably ... Cited Patent Filing date Publication date Applicant Title;

Patent US4440636 - Recovery in phosphate ore flotation process - Google Patents

A method is disclosed for improving the recovery of a conventional single or double stage flotation process for the benefication of phosphate ore. The method includes treating the discarded froth product of the conventional ...

Patent US5106489 - Zircon-rutile-ilmenite froth flotation process - Google Patents

This invention relates to a method for recovering a bulk concentrate of zircon and a bulk concentrate of rutile-ilmenite from dry plant tailings. A process has been discovered for froth flotation by manipulating the surface ...

Patent US5106489 - Zircon-rutile-ilmenite froth flotation process - Google Patents

This invention relates to a method for recovering a bulk concentrate of zircon and a bulk concentrate of rutile-ilmenite from dry plant tailings. A process has been discovered for froth flotation by manipulating the surface ...

Patent US4532031 - Froth flotation process - Google Patents

A process for the recovery of mineral values by froth flotation in an aqueous medium employing a novel frother. Frothers prepared by Michael addition between alpha, beta-unsaturated ethylenic compounds and either alcohols ...

Patent US1457680 - Flotation process - Google Patentsuche

June 5, 1923. 1,457,680 . 1 w. A. WHITAKER FLOTATION PROCESS Filed Aug. 23, 1919 avwentoz Patented .iune 5, 1923. ' WILLIAMTA. WHITAKER, OF NEW YORK, N. Y. rno'rarrou rnoon ss. Application filed August 23, 1919. Serial No ...

Patent US6129212 - Flotation process and mixing device - Google Patents

The flotation process for separating particulate impurities from fibrous suspensions in a flotation tank. Upon or after entry into the flotation tank, the fibrous suspension added to the flotation tank may be mixed with a ...

Patent US2512669 - Flotation process - Google Patentsuche

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Patent US2000350 - Froth flotation process for oxide ores - Google Patenten

Patented May 7, 1935 UNITED STATES PATENT OFFICE John Mark Patek, Milwaukee, Wis. No Drawing. Application July 16, 1934, Serial No. 735,424 . 6 Claims. This invention relates to an improvement in the process of concentration ...

Patent US3990965 - Flotation process for the enrichment of bauxites - Google Patents

An improved process for the enrichment of bauxites with unfavorable textures and low qualities via flotation and carried out after selective agglomeration. According to the process of the invention a water-soluble prepolymer ...

Patent US4960509 - Ore flotation device and process - Google Patents

A mineral processing device for floating relatively large particles and middling particles is disclosed. The device provides a uniform upward flow of pulp in a flotation zone. Gas bubbles are introduced into the pulp with ...

Patent US4561970 - Process for the froth flotation of complex metal compounds - Google ...

The invention relates to a process for the froth flotation of complex ores. In accordance with this invention, froth flotation is carried out by using a collector and froth flotation conditions for which it has been calculated ...

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Patent US4960509 - Ore flotation device and process - Google Patents

A mineral processing device for floating relatively large particles and middling particles is disclosed. The device provides a uniform upward flow of pulp in a flotation zone. Gas bubbles are introduced into the pulp with ...

Patent US3990965 - Flotation process for the enrichment of bauxites - Google Patents

An improved process for the enrichment of bauxites with unfavorable textures and low qualities via flotation and carried out after selective agglomeration. According to the process of the invention a water-soluble prepolymer ...

Patent US4472271 - Froth flotation apparatus and process - Google Patents

A non-diluting flotation apparatus and process is disclosed which includes a single cell, or a series of multiple cells. Each cell comprises a non-agitated, flotation vessel having a submerged inlet in its upper portion for ...

Patent US4971656 - Flotation process for deinking printed waste paper - Google Patents

A flotation process for the de-inking of printed waste-paper by treating the paper pulp in the pulper at alkaline pH-values by means of alkali silicate, oxidative bleaches and separating the loosened printing-ink particles ...

Patent US2093898 - Froth flotation concentration process - Google Patents

Sept.-21, 1937. 1'. J. TAPLIN F ROTH FLOTATION CONCENTRATION PROCESS Filed NOV. 22, 19 54 2 Sheets-Sheet l Sept. 21, 1937. 'r. J. TAPLIN 2,093,898 . FROTH FLQTATION CONCENTRATION PROCESS Filed Nov, 22, 1954 2 Sheets-Sheet 2 In ...

flotation process invention

Flotation process - Patents. ... US Patent # 5,074,993. Flotation process - Patents. The present invention is concerned with flotation and, more particularly, with selective flotation of sulfidic minerals. BACKGROUND OF THE ...

patent us froth flotation method google patents

Patent US4472271 - Froth flotation . Froth flotation apparatus and process US particularly relates to froth flotation apparatus and method for treating of Service - About Google Patents . read more +

Patent US3117924 - Flotation process to produce separate aluminum silicates and zircon ...

United States Patent FLOTATION PROCESS TO PRODUCE SEPARATE ALUMlNUM SILICATES AND ZIRCQN CONCEN- TRATES FROM ... References Cited in the file of this patent UNITED STATES PATENTS 2,082,383 ... Minerals Separation North Us:

Patent US6254914 - Process for recovery of corn coarse fiber (pericarp) - Google Patents

A method of recovering corn coarse fiber by flotation, which features the use of a hydrocyclone, or other separating machinery, in which the specific gravity of the slurry contained therein has been increased to approximately ...

Patent US6076682 - Process for froth flotation of silicate-containing iron ore ...

The present invention relates to a process for enriching an iron mineral from a silicate-containing iron ore by carrying out, at a pH of 8-11, a froth flotation in the presence of a depressing agent for the iron mineral and a ...