A froth flotation apparatus for elimination of solid particle impurities contained within a liquid includes a vessel defining a flotation cell which includes an upstanding foam discharge conduit, an inlet conduit communicating with the vessel such that fluid flowing through the inlet conduit and into the vessel moves in a vortical fashion within the vessel, a skimmer, and a sparger.
2015-9-15 · Major apparatus used during the bench-scale testing included a bench top dissolved air flotation (DAF) jar tester (EC Engineering, Edmonton) and a small froth generator supplied by David Bromley Engineering Ltd. Tables S1 and S2 in the Supplementary Material (SM) provides a summary of the operating parameters and mixer settings, respectively ...
froth flotation apparatus and method the black clawson company. Jun 11 1991 · Other features include the use of an explosiontype flowbox to aerate the stock as it is delivered tofroth flotation apparatusand the provision of a variety of alternative constructions for spreading aerated grey stock into a film and causing that film to flow a ...
Slime coating is a significant phenomenon in froth flotation. The adverse effects of slime coating, by which a value mineral is covered by slimes and prevented from direct contact with collectors ...
2002-5-6 · Subsequently, flotation was started by opening the air supply of the Denver flotation apparatus for a period of 10 min and the froth layer was removed manually. The obtained froth fraction and rest fraction were freeze-dried and weighed, followed by microwave digestion and AAS analysis to determine their heavy metal content.
1999-12-1 · Instead, the froth contains fines and filler elements that typically have a greater amount of ink associated with them. Thus, to improve flotation yield, these materials would have to be retained. This would necessitate that a method, like high-consistency kneading, be included in the process to remove ink bound to fines.
and froth flotation is shown in Fig ure 1. The discussion in this paper will be aimed mainly at foam fractionation since, as will be pointed out later, it is most suited for removal of soluble or ganics rather than suspended solids either organic or inorganic. The foaming apparatus consists of a column containing the solution to be
2021-6-1 · A Denver laboratory Flotation Cell was used to simulate the flotation process for 22 min according to previously detailed standard flotation procedures (Yang et al., 2013, Cilek and Karaca, 2015). Frother dosages of 10 g/t, 20 g/t and 30 g/t of Nano-silica Frother were employed and benchmarked against the plant or standard frother (SasFroth) at ...
2016-5-11 · Flotation of Arizona Copper Ore. For some time past the company has been experimenting with a view to finding the best method of concentrating the sulphide ore before smelting. The first test-mill consisted of two sets of rolls, one Chilean mill, one …
1990-12-26 · Justia - Patents - Patents and Patent Application Resources. Abstract: Substituted 3-thio-2-propynenitriles are prepared which correspond to the formula:R--S--C.tbd.C--C.tbd.Nwherein R is an alkyl, cyclic alkyl, aryl, or heterocyclo group.These compounds have been found to exhibit a high degree of antimicrobial activity in industrial and commercial applications and compositions containing ...
US6793079B2 US10/306,131 US30613102A US6793079B2 US 6793079 B2 US6793079 B2 US 6793079B2 US 30613102 A US30613102 A US 30613102A US 6793079 B2 US6793079 B2 US 6793079B2 Authority US United States Prior art keywords froth support disposed cell flotation Prior art date 2002-11-27 Legal status (The legal status is an assumption and is not a legal conclusion.
5028315 Froth flotation apparatus and method: Ronald D Cruea, Michael Kinne, eladwolliW assigned to The Black Clawson Company Page 1471 Download PDF; select article 5028398 Device for providing a continuous biological decomposition of minerals and concentrates thereof: Rofl Hallberg, Ulf Edvardsson, S 135 55 Tyres Sweded ...
1990-2-28 · Froth flotation apparatus and method . United States Patent 5022984 . Abstract: Apparatus for separating contaminant particles from liquid suspension stock, e.g. in the de-inking of used news print, is characterized by one or more of a plurality of features which contribute to increasing the capacity and effectiveness of the apparatus ...
The method includes the step of forming complex activator before adding it to the flotation process or adding individual components that form a complex activator in place. Coordinating metal ion may be selected from any known metal-activators used in the flotation processes. Metal-activator may be copper, Nickel, magnesium, zinc or the like.
Froth flotation apparatus and method - The Black Clawson Company The process of froth flotation has many applications, including the separation of minerals from one another, the recovery of oil from oil sands, the removal ofAnother disadvantage of the sparger arises when the nozzle is displaced within the conical conduit section to increase the ...
2014-12-5 · US 6,832,690, Guiding device for a flotation machine US 6,766,909, Separation device for a flotation machine. US Regular Patent Application No. 12/497,042, filed on 02 July 2009 (02.07.2009), Froth flotation method and apparatus for extracting bitumen from a slurry of water and oil sands.
Froth flotation apparatus and method . United States Patent 5028315 . Abstract: In froth flotation apparatus for separating solid particle impurities from a liquid suspension stock in a flotation cell, provision is made for aerating the stock flowing through the inlet conduit leading to the cell by positioning a drum-shaped rotor having an ...
2019-1-8 · Abstract: A method and system for extracting hydrocarbon products from waste tailings of a froth flotation unit and a paraffinic froth treatment process are provided. Bitumen and asphaltenes from the waste tailings are extracted using a serial addition of …
Froth flotation. Froth flotation is a process for selectively separating hydrophobic materials from A disadvantage to these curves is that they can only compare the grade-recovery relations of a specific feed grade and feed rate If a company has a variance of feed grades and rates used an extremely common occurrence in their froth flotation process...
The treatment of end-of-life lithium-ion batteries (LIBs) using froth flotation has recently gained interest as a method to separate valuable lithium transition-metal oxides (LMOs) and graphite ...
2005-7-27 · The flotation tank inlets are positioned so that the incoming jet of pulp slurry and gas bubbles does not break the suspension sur-face, ensuring good separation even at increased slurry concentrations and a short. retention time in the flotation cell. In a patent issued to the Thermo Black Clawson Company, flotation is used following the pulping
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 ...
These bubble-particle aggregates then form a separate froth phase, which can be easily removed. A sketch of this process at a bubble level is given in Figure 1, and a sketch of a continuous flotation cell is given in Figure 2. Figure 1: Bubbles collecting particles in froth flotation. Figure 2: Sketch of continuous flotation cell. Ore Flotation. 17
This invention relates to froth flotation and, more particularly, to froth flotation apparatus and methods for beneficiating mineral ores, coal and the like. Froth flotation has been used to beneficiate a variety of mineral ores and to effect separation of a wide variety of materials for many years.
2019-5-13 · The Therm0 Black Clawson Company has published information about a method that employs reverse screening, or washing a. In the trials discussed, wax saturated boxes containing 30% wax (straight paraffin) by weight were pulped at 9% consistency, 65" C (150'' F) and pH 9 for 20 minutes. Specially formulated waxes were not considered in this trial.
The Black Clawson Company: Froth flotation apparatus and method US4512888A (en) * 1982-07-01: 1985-04-23: Machine Company, Inc. Apparatus for removal by flotation of solid particles from liquid US4548673A (en) * 1983-04-19: 1985-10-22: Beloit Corporation: Method and apparatus for deinking
Flotation froth feature analysis using computer vision technology ... Detector method, as compared to other well-k ... some exploratory experiments were conducted to test the apparatus in a three ...
2016-3-11 · Flotation Principles. Flotation, in its latest phase, is a process of concentrating ores by frothing. When crushed ore, previously mixed with water and a relatively minute addition of oil, is agitated violently in the presence of air, a froth is …
2012-4-5 · Justia - Patents - Patents and Patent Application Resources. Abstract: A Single Fluid Reactor with an inner zone that includes a solid neutron moderator, which can have through holes defined therein. This solid neutron moderator can have a relatively small diameter, which can range, in some embodiments, from less than one meter to about 1.5 meter.