modifiers in flotation agent

flotation reagent Factory Suppliers Manufacturers Quotes

flotation reagent. Y&X Beijing Technology Co., Ltd provides various kinds of flotation reagent, including flotation collectors, flotation frothers, regulators, etc. Our flotation reagents are widely used for copper, lead, nickel polymetallic sulfide ore, non-sulfide ore and precious minerals like gold and silver, aiming to help miners improve their flotation process as well as raise uselful ...

US7516849B2 - Froth flotation process with pH modification ...

This invention relates to the pH modifier in alkaline froth flotation processes to treat oxide and semi-soluble salt ores, such as phosphates, sulfates, carbonates and halides, to increase the recovery while generally maintaining or improving selectivity, thus the grade of desired minerals. The invented pH modifier is used to replace traditional alkaline pH modifiers - hydroxides, carbonates ...

Flotation Reagents - Mineral Processing & Metallurgy

This data on chemicals, and mixtures of chemicals in froth flotation with some of the more common flotation reagents and their uses.

Flotation Conditioners -Modifiers -Activators -Depressants

This branch of chemicals will prepare the mineral surface so other reagents will be able to collect the metal. For Conditioners and Modifiers, it may be simply cleaning the surface of the particles, as in the case of removing oxidization, or it may be a chemical that these are the chemicals that bind the mineral to the air bubble to be lifted away from the waste. Activators will attach itself ...

Flotation Reagent | Article about Flotation Reagent by The ...

Flotation Reagent any one of various chemical substances that govern and regulate most flotation processes. The introduction of flotation reagents into the liquid phase of the pulp and subsequent adsorption along the liquid-gas and solid-liquid interfaces create conditions for the selective flotation of specific mineral particles. There are three ...

Flotation reagents Mark III - CONCENTRATION OF MINERALS

CLASSIFICATION OF FLOTATION REAGENTS Mark III . The author of classification is Ph.D. Natalia Petrovskaya. HYDROPHOBIZATORS or collectors, promoters Heteropolar: ... ⦁ pH regulators (pH modifiers, pH control agents)

Flotation reagents Mark II - CONCENTRATION OF MINERALS

Ph.D. Igor Bobin, Ph.D. Natalia Petrovskaya. MINING SERVICES. Concentration of minerals, mineral separation, enrichment of minerals, flotation, magnetic separation ...

TECHNICAL NOTE THE EFFECT OF pH MODIFIER ON THE …

pulp was then adjusted in the proportion ore/water=200g/3000g, and the collector, pH modifier and ing agent were added, always at the same time. This mixture was agitated (at 60 r.p.m.) for a 10 minute conditioning period before being subjected to flotation in a …

Mining and mineral processing

N-dodecyl mercaptan (NDM) is an organic compound that is used as a collection agent in the copper sulfide scavenger circuit. It functions over a very wide pH range, and it can be added in dosages 10-50 % lower than alternative materials. PennFloat ® 3 (PF3) is a formulated collection agent based on Normal Dodecyl Mercaptan. It offers improved copper sulfide recovery (5-10% higher) using lower ...

Floatation agent : definition of Floatation agent and ...

Froth flotation is a process for separating minerals from gangue by taking advantage of differences in their hydrophobicity.Hydrophobicity differences between valuable minerals and waste gangue are increased through the use of surfactants and wetting agents. The selective separation of the minerals makes processing complex (that is, mixed) ores economically feasible.

More efficient flotation of flocculated coal fines using a ...

Jun 16, 2015· To improve the flotation of coal fines, a modifying agent is supplied after preliminary flocculation. The modifier employed is Neonol, a product of petroleum processing. HyperChem software is used to confirm that the modifier may be adsorbed on the active centers of the flocculant and coal surface by means of hydrogen bonds.

Testing and evaluation of modifying reagents in potash ...

It is considered that nitrogen containing compounds are the active ingredients of the oil (Laskowski and Day, 1993). 3.4 Modifying Agents Used in Potash Flotation 3.4.1 Organic Modifying Reagents The organic modifying agents and their derivatives used as modifiers by the potash industry include different polysaccharides: starches ...

Copper Ore Processing Plant With Parameter and Quotation ...

The ore pulp discharged from the ball mill is transported to the mixing tank where flotation agents for rough selection are added. After the full stirring and activation, send it to the flotation machine for flotation. During the flotation process, collectors, modifiers, and ing agents are added.

The Summary of Flotation Reagent

According to the effect of the agents, the flotation reagents are mainly divided into three categories: ing agent, collecting agent and metabolic modifier. (1) ing agent: the organic surface active substance distributed on the air-water interface, such as pine oil, cresol oil, alcohol, etc.

Flotation - SlideShare

Aug 14, 2017· Flotation Reagents Three types of chemical reagents used during the froth flotation process •Collectors •Frothers •Modifiers 19. Collectors These are surface active agents that are added to the flotation pulp where they adsorbs selectively on the surface of …

US20080197053A1 - FROTH FLOTATION PROCESS WITH pH ...

This invention relates to the pH modifier in alkaline froth flotation processes to treat oxide and semi-soluble salt ores, such as phosphates, sulfates, carbonates and halides, to increase the recovery while generally maintaining or improving selectivity, thus the grade of desired minerals. The invented pH modifier is used to replace traditional alkaline pH modifiers—hydroxides, carbonates ...

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Froth flotation - Wikipedia

Flotation reagents refer to the agent that used in mineral flotation process, which can adjust the flotation behavior of minerals thus achieving a good effect of mineral separation.Currently using flotation reagents is the most flexible, effective, and convenient method of controlling flotation process.The commonly used flotation reagents can be mainly divided into three types according to ...

Handbook of Flotation Reagents - MESA

Handbook of Flotation Reagents Chemistry, Theory and Practice: Flotation of Sulfide Ores by Srdjan M. Bulatovic • ISBN: 0444530290 • Publisher: Elsevier Science & Technology Books • Pub. Date: April 2007

The effect of pH modifier on the flotation of celestite ...

Oct 01, 1998· Flotation agents * Collecting agent: Seelze-Hannover sodium oleate (93% purity). * Frothing agent: Daksa M-1 pine oil, with a constant concentration of 0.01407 g/L. 989 990 F.H.B. Castro et al. pH modifiers: Merck sodium hydroxide and sodium carbonate. Depressant agent…

Flotation Reagents & Collectors | ArrMaz

Flotation Reagents & Collectors. Froth flotation is the most widely used industrial process for the separation of finely liberated minerals. The process involves the aeration of minerals in water in the presence of flotation reagents which facilitate the attachment of air bubbles to …

SULFONATED MODIFIERS FOR FROTH FLOTATION - Ecolab USA …

Mar 01, 2018· Example 3 First Set of Sparge Tests with Ore Sample I. Reverse flotation tests were conducted in a Denver D-12 Laboratory Flotation Machine. Sulfonated oleic acid was used as collector at a dosage of two kilograms per ton of ore, phosphoric acid was used as a depressant, one of the polymers listed in TABLE 2 was used as modifier, and sulfuric acid was used as pH adjustment agent.

Ph.D. Natalia Petrovskaya: CLASSIFICATION OF FLOTATION ...

Dec 05, 2018· Ph.D. Natalia Petrovskaya I help you make the most effective investments in the field of mining. I offer you a wide range of services: ⦁ Single consultation ⦁ Full support for you in matters of mining and mineral processing on an ongoing basis ⦁ Conducting expertise or mineral deposits assessing ⦁ Risk calculation ⦁ Sales of our solutions and technologies ⦁ Development of new ...

Mining Chemicals - Chemicals Used in Mining - Drilling ...

Nov 01, 2018· These modifying agents cover a variety of functions; for example, pH modifiers, depressants, activators and dispersants. pH Modifiers: Most minerals exhibit an optimum pH range for a given collector. While some minerals can often be floated at the natural pH of the ores, in most cases the pH has to be adjusted for maximum recovery and selectivity.

(PDF) A Review of the Flotation of Copper Minerals

G. Gonzales, "The recovery of chrysocolla with different long chain surface-active agents as flotation collectors.," Journ al of Applied Chemi stry Biotechnology, vol. 16, no. 28, pp. 31 - 38, 197 8.

THE EFFECT OF pH MODIFIER ON THE FLOTATION OF …

Keywords: flotation, pH modifier, celestite, calcite, sodium oleate, concentration ores. 1. INTRODUCTION Somasundaran (1975) states that pH is the best factor with which to control flotation of most minerals, and that selecting a suitable pH value is essential for mineral separation.

Flotation Reagent - an overview | ScienceDirect Topics

Flotation Reagent. Flotation reagents have two important structural features: a functional group consisting of donor atoms or ligands, and a substituent group, which is hydrophobic consisting of alkyl aryl hydrocarbon chains in the case of collectors and frothers, or hydrophilic in the case of modifiers (except for inorganic modifiers, which comprise mainly inorganic bases and metal ions).

The method of flotation of polymetallic ores

Usage: mineral processing, flotation of ores. The inventive slurry condition modifiers, a collector and a mixture of blowing agent T-80 and an aqueous solution of sodium inorganic salts. Allocate sulfide minerals in the froth product. As inorganic sodium salts enter …