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The performance of hydroxamic polyacrylamide (HPAM) in mineral flotation was tested on the samples of calcite, diaspore and pyrite. It is found that HPAM expresses intensive depression on pyrite
Selective depression of pyrite with polyacrylamide
Low molecular weight polyacrylamide (PAM) polymers were used to separate copper-activated sphalerite from pyrite in the presence of isobutyl xanthate (IBX). The effects of carboxyl, sulfonate, hydroxyl or thiourea functional groups attached to the polymers on the flotation recoveries of sphalerite and pyrite were studied as a function of
Selective depression of pyrite with polyacrylamide polymers
The depression of pyrite in selective flotation
The selective depression of pyrite was attributed to the formation of more copper hydroxide species on copper-activated pyrite surface through the consumption of oxygen (Shen et al., 2001). Galvanic interactions may occur between the cuprous sulfide layer on pyrite or sphalerite surface and the mineral itself.
During Zijinshan copper heap bioleaching, pyrite was leached in plenty resulting in high ferric concentration in solution. This affected bioleaching and extraction processing greatly. The paper studied the factors influencing in the course of leaching of pyrite and a mixture of chalcocite and pyrite respectively. It focuses on the effect of the redox potential for copper bioleaching so as to
Depressing effect of hydroxamic polyacrylamide on pyrite
The performance of hydroxamic polyacrylamide (HPAM) in mineral flotation was tested on the samples of calcite, diaspore and pyrite. It is found that HPAM expresses intensive depression on pyrite and can be used as effective depressants for pyrite. The depression mechanism of HPAM to pyrite was investigated by the determination of contact angle, zeta potential, adsorptive capacity for
Industrial effluent waste water treatment chemical Anionic Polyacrylamide (APAM) as polymer flocculant anionic pam Anionic Polyacrylamide (APAM) CAS No: 9003-05-8 1. Introduction: Anionic polyacrylamide is a kind of soluble high molecular weight
China Water Treatment Flocculant Anionic PAM Cationic
China Water Treatment Flocculant Anionic PAM Cationic Polyacrylamide, Find details about China PAM, Flocculant from Water Treatment Flocculant Anionic PAM Cationic Polyacrylamide
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Chemicals Nonionic Polyacrylamide PAM, View polyacrylamide
The range of molecular weight is different, Anionic is from 5-22 million, Cationic is from 5-12 million and Nonionic is from 5-12 million, with a charge density ranging from 0-60%. It is most often used to increase the viscosity of water (creating a thicker solution) or to encourage flocculation of particles present in water.
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