anionic polyacrylamide used for copper processing
anionic polyacrylamide used for copper processing
anionic polyacrylamide used for copper processing
anionic polyacrylamide used for copper processing
anionic polyacrylamide used for copper processing
improving flocculation performance of copper flotation

Improving Flocculation Performance of Copper Flotation

The flocculation of copper tailings was carried out using the novel UMA Magnafloc 5250 (anionic) and traditional polymers based on polyacrylamide (anionic Magnofloc 155 and 336, nonionic 351, and cationic SPP 355) at polymer dosages ranging from 5 to 80 g/t. Jar tests were carried out with suspensions prepared at 10% (w/w) solids concentration.

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the depressing effect of an anionic polyacrylamide on molybdenite

The depressing effect of an anionic polyacrylamide on molybdenite

Highlights ? Non-sheared polyacrylamides (PAM) strongly depress molybdenite flotation. ? Strongly sheared PAMs have no depressing effect on molybdenite flotation. ? The effect of PAMs of varying degrees of anionicity depends on pH. ? PAMs adsorption on molybdenite strongly depends on the degree of anionicity. Abstract

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polyacrylamide as an agglomeration additive for copper heap leaching

Polyacrylamide as an agglomeration additive for copper heap leaching

Heap leaching is a method used to recover precious metals such as gold and copper from low grade ores. In copper heap leaching, the ore is stacked in approximately 6.1 m (20 ft) ¡®lifts¡¯ and an acidic leach solution (raffinate) is sprayed on the top of the heap. As the raffinate percolates through the heap, the copper is solubilized and

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screening tests of copper mine tailings flocculation with polyacrylamide

Screening Tests of Copper Mine Tailings Flocculation with Polyacrylamide

Anionic PAM with molecular weight of 18 million and hydrolysis degree of about 30% was usually used for copper mine tailings flocculation [18]. ... Flocculation of mineral processing...

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depressing effect of flocculants on molybdenite flotation

Depressing effect of flocculants on molybdenite flotation

Molybdenite is depressed by anionic polyacrylamides and non-ionic polyethylene oxide. ? Shear degraded polyacrylamides are strong molybdenite depressants. ? Shear degraded polyacrylamides lose completely its flocculation ability. ? Use of flocculants in bulk Cu¨CMo concentrate thickener must be avoided. ?

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water soluble polymer flocculants: synthesis, characterization, and

Water Soluble Polymer Flocculants: Synthesis, Characterization, and

They are used in mineral processing, industrial and municipal wastewater treatment, oil sands tailings dewatering, paper making, and biotechnology. 1 - 4 This work reviews different kinds of water soluble flocculants, focusing on advances in synthesis, characterization, and performance assessment in solid¨Cliquid separation in mineral processing,...

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depressing effect of flocculants on molybdenite flotation

Depressing effect of flocculants on molybdenite flotation

By adding CTAB, the moisture dropped from 12-13% to 9-10% [4]. Castro and Laskowski (2015) have studied the effect of flocculants on flotation of copper-molybdenum ore. The results obtained showed

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polyacrylamide degradation and its implications in environmental

Polyacrylamide degradation and its implications in environmental

The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as in soil conditioning. 1,...

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the effect of cations on the activity of anionic polyacrylamide

The effect of cations on the activity of anionic polyacrylamide

The declining grades of copper ore associated with the additional processing of clay-based minerals and the use of seawater are problems that copper mining companies are currently facing, where

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odplgh - iopscience

ODPLGH - IOPscience

Polyacrylamide, as an organic polymer flocculant, was widely used in the flocculation treatment of mineral processing wastewater and tailings. In this paper, the types of polyacrylamide commonly used in flocculation of wastewater generated from the beneficiation of metal ore, oil sand and phosphate ore were summarized. 1. Introduction

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