froth flotation apparatus :

Froth flotation apparatus - Board of Control of Michigan ...

The froth flotation apparatus includes a gas bubble-particle contact unit including a mixing structure for breaking a gas into fine bubbles,such as a packed tower packing or mechanical agitator, and a separate phase separation unit. A conditioned aqueous pulp containing a mixture of hydrophobic and hydrophilic particles and a substantially ...

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Froth Flotation Method for Recovery of Ultra-Fine

2020-10-13  FROTH FLOTATION METHOD FOR RECOVERY OF ULTRA-FINE CONSTITUENT TECHNICAL FIELD The present invention relates to an improved froth ?otation method and apparatus for the recovery of a selected ultra-?ne constituent, such as coal, that pro vides both enhanced recovery and grade. BACKGROUND OF THE INVENTION

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Froth flotation apparatus - The Deister Concentrator ...

1990-7-12  Froth flotation apparatus . United States Patent 5078921 . Abstract: A column flotation cell includes a fluid vessel, an exteriorly mounted microbubble generator, conduits for conducting a pressurized mixture of bubbles and liquid from the generator to the vessel, features for inhibiting the coalescence and enlargement of the bubbles prior to ...

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Froth flotation apparatus and process - Freeport Kaolin ...

Froth flotation apparatus and process . United States Patent 4472271 . Abstract: 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 feeding a previously treated or ...

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Michigan Technological University Digital Commons ...

2020-2-21  FROTH FLOTATION APPARATUS This is a division of application Ser. No. 491,724, filed Mar. 12, 1990. (now U.S. Pat. No. 5,096,572). BACKGROUND OF THE INVENTION This invention relates to froth flotation and, more particularly, to froth flotation apparatus and methods for beneficiating mineral ores, coal and the like.

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US Patent for Froth flotation apparatus Patent (Patent ...

1991-9-23  The froth flotation apparatus includes a gas bubble-particle contact unit including a mixing structure for breaking a gas into fine bubbles,such as a packed tower packing or mechanical agitator, and a separate phase separation unit. A conditioned aqueous pulp containing a mixture of hydrophobic and hydrophilic particles and a substantially inert gas, such as air, are introduced into and ...

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History of Flotation Patents - Mineral Processing

2016-2-11  Metallurgical ContentThe Potter Flotation Apparatus Cattermole Flotation ProcessChief Minerals Separation ProcessApparatus for separating metallic particles

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US20030106843A1 - Froth flotation process and apparatus ...

A froth flotation process typically used to separate particulate materials such as coal, has a mixed size feed ( 1 ) separated in a sieve bend ( 2 ) into a stream of relatively fine particles ( 3 ) and a stream of relatively coarse particles ( 14 ). The fine particles are fed to a flotation cell ( 7 ) in the normal manner, while the coarse particles are mixed with wash water ( 16 ) and ...

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US2401745A - Froth flotation apparatus - Google Patents

Froth flotation apparatus Download PDF Info Publication number US2401745A. US2401745A US431958A US43195842A US2401745A US 2401745 A US2401745 A US 2401745A US 431958 A US431958 A US 431958A US 43195842 A US43195842 A US 43195842A US 2401745 A US2401745 A US 2401745A Authority US United States Prior art keywords pulp tank solids

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Michigan Technological University Digital Commons ...

2020-2-21  FROTH FLOTATION APPARATUS This is a division of application Ser. No. 491,724, filed Mar. 12, 1990. (now U.S. Pat. No. 5,096,572). BACKGROUND OF THE INVENTION This invention relates to froth flotation and, more particularly, to froth flotation apparatus and methods for beneficiating mineral ores, coal and the like.

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US Patent for Froth flotation apparatus Patent (Patent ...

1991-9-23  The froth flotation apparatus includes a gas bubble-particle contact unit including a mixing structure for breaking a gas into fine bubbles,such as a packed tower packing or mechanical agitator, and a separate phase separation unit. A conditioned aqueous pulp containing a mixture of hydrophobic and hydrophilic particles and a substantially inert gas, such as air, are introduced into and ...

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Apparatus for simultaneous grinding and froth flotation ...

2014-11-28  WO-2016083353-A1 chemical patent summary.

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ULF Cell—a Novel Design Principle for Pneumatic Froth ...

ULF Cell—a Novel Design Principle for Pneumatic Froth Flotation Apparatus Utilizing Uniform Laminar Flow Janez Susa1 and Rüdiger B. Richter2,3 1ARCANOE Consulting, Koper, Slovenia

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ULF Cell—a Novel Design Principle for Pneumatic Froth ...

2018-7-25  ULF cell—a novel design principle for pneumatic froth flotation apparatus utilizing uniform laminar flow is presented in this paper and the key elements of this novel device such as the contact chamber, the hydraulic laminator register and the clarifying zone are described in detail. Since an understanding of the flow hydrodynamics within the various “zones” of a flotation apparatus is ...

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Froth Flotation Method for Recovery of Ultra-Fine

2020-10-13  FROTH FLOTATION METHOD FOR RECOVERY OF ULTRA-FINE CONSTITUENT TECHNICAL FIELD The present invention relates to an improved froth ?otation method and apparatus for the recovery of a selected ultra-?ne constituent, such as coal, that pro vides both enhanced recovery and grade. BACKGROUND OF THE INVENTION

Read More

Froth Flotation - Metallurgist Mineral Processing

2016-12-19  Froth Flotation Froth flotation is one of the most versatile and flexible of all mineral separation processes. Reasonable results are fairly easy to obtain but outstanding performance from a circuit requires constant attention and good understanding of the process and ore. Some of the variables that affect the operation and

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Flotation Equipment and their Test Procedures

2016-3-28  4. Apparatus (a) Method of aeration. (b) Method of froth removal. 5. Agitation. 6. Duration of treatment. 7. Temperature. The variable results to be watched for and recorded 1. Recovery. 2. Grade of concentrate. 3. Rate of flotation. 4. Froth. (a)

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Froth Flotation Process - Detailed Explanation With ...

2021-11-22  Froth flotation is an important concentration process that can be used to selectively separate hydrophobic materials from hydrophilic waste gangue. In a more simple context, froth flotation is one of the most popular operational processes for

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History of Flotation Patents - Mineral Processing

2016-2-11  Metallurgical ContentThe Potter Flotation Apparatus Cattermole Flotation ProcessChief Minerals Separation ProcessApparatus for separating metallic particles in oreHoover ore concentration apparatus This is the part of the subject of which we

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Michigan Technological University Digital Commons ...

2020-2-21  FROTH FLOTATION APPARATUS This is a division of application Ser. No. 491,724, filed Mar. 12, 1990. (now U.S. Pat. No. 5,096,572). BACKGROUND OF THE INVENTION This invention relates to froth flotation and, more particularly, to froth flotation apparatus and methods for beneficiating mineral ores, coal and the like.

Read More

US Patent for Froth flotation apparatus Patent (Patent ...

1991-9-23  The froth flotation apparatus includes a gas bubble-particle contact unit including a mixing structure for breaking a gas into fine bubbles,such as a packed tower packing or mechanical agitator, and a separate phase separation unit. A conditioned aqueous pulp containing a mixture of hydrophobic and hydrophilic particles and a substantially inert gas, such as air, are introduced into and ...

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"Froth flotation" by Jiann-Yang Hwang

A froth flotation apparatus includes a gas bubble-particle contact unit including a mixing means for breaking a gas into fine bubbles, such as a packed tower packing or mechanical agitation means, and a separate phase separation unit. A conditioned aqueous pulp containing a mixture of hydrophobic and hydrophilic particles and a substantially inert gas, such as air, are introduced into one end ...

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ULF Cell—a Novel Design Principle for Pneumatic Froth ...

ULF Cell—a Novel Design Principle for Pneumatic Froth Flotation Apparatus Utilizing Uniform Laminar Flow Janez Susa1 and Rüdiger B. Richter2,3 1ARCANOE Consulting, Koper, Slovenia

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Apparatus for simultaneous grinding and froth flotation ...

2014-11-28  WO-2016083353-A1 chemical patent summary.

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Froth Flotation - Metallurgist Mineral Processing

2016-12-19  Froth Flotation Froth flotation is one of the most versatile and flexible of all mineral separation processes. Reasonable results are fairly easy to obtain but outstanding performance from a circuit requires constant attention and good understanding of the process and ore. Some of the variables that affect the operation and

Read More

Flotation Equipment and their Test Procedures

2016-3-28  4. Apparatus (a) Method of aeration. (b) Method of froth removal. 5. Agitation. 6. Duration of treatment. 7. Temperature. The variable results to be watched for and recorded 1. Recovery. 2. Grade of concentrate. 3. Rate of flotation. 4. Froth. (a)

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(PDF) Foam/Froth Flotation - ResearchGate

In this second part of the Review on foam and froth flotation, many other aspects of the flotation process are examined, referring mainly to the separation of particulate matter.

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History of Flotation Patents - Mineral Processing

2016-2-11  Metallurgical ContentThe Potter Flotation Apparatus Cattermole Flotation ProcessChief Minerals Separation ProcessApparatus for separating metallic particles in oreHoover ore concentration apparatus This is the part of the subject of which we

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Semi-batch flotation column - ScienceDirect

2012-1-1  The main operating variables of the semi-batch column include froth thickness, pulp density, air flowrate, and wash water. The froth thickness was studied in the range of 5 cm to 30 cm, the pulp density in the range of 10–35%, and the air flowrate in the range of 0.94–3.78 L/min.The column was operated with a pulp volume of 750 mL, and a flotation time of 3 min was applied in all tests.

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