Effects of common ions on adsorption and flotation of malachite …
The natural malachite sample used in the study was obtained from Lupe mine, Puebla, Mexico. The sample was crushed, hand-sorted to get lump of malachite for contact …
Evaluation of L-arginine as an Eco-Friendly …
Flotation experiments showed that LA had a significantly promoting effect on malachite sulfidization flotation. Adsorption experiments and SEM-EDS results indicated that LA improved the adsorption of S (II) species …
Effect of Ammonium Sulfide on Sulfidization …
Notably, malachite with ammonium sulfide ions had a significantly higher flotation recovery than malachite with an excess of sodium sulfide ions, as concerns of sulfidization types.
Novel application of depletion attraction in malachite flotation…
The conventional flotation on malachite involves sulphidizing the malachite surface prior to selective flotation using a sulphodryl collector such as xanthate [7]. This process is …
Effect of dissolved components of malachite and calcite on …
In this study, the effect of the dissolved components derived from malachite and calcite on the flotation behavior and surface characteristics of both minerals was investigated.
Sulfidization mechanism in malachite flotation: …
At pH 6.50, with 8 mg/L SDA, effectively recovering malachite from quartz was achieved by reverse flotation, in which 92.71% of malachite was recovered and 91.91% of quartz was removed, coupled ...
Bioflotation of malachite using different growth phases of …
We study the effects of the growth phase of Rhodococcus opacus on the floatability of malachite. We find that bacteria in stationary phase show more than two-fold …
N-Alkylated Chitin Nanocrystals as a Collector in Malachite Flotation
The majority of reagents currently used in mineral flotation processes are fossil-based and potentially harmful to the environment. Therefore, it is necessary to find …
Sodium trithiocarbonate as an activator for malachite …
The flotation performance of malachite was examined through flotation tests conducted using the XFG-II flotation machine located in Jilin, China. The flotation tank had a …
A significant review of froth stability in mineral flotation
Flotation was first performed in 1860 (Arbiter, 2000) and is a technology that utilizes the differences in physicochemical properties of various mineral surfaces to achieve specific …
An evaluation of hydroxamate collectors for malachite flotation
Flotation experiments were conducted on a synthetic malachite ore prepared by mixing 10 g malachite with 90 g quartz. All flotation tests were carried out using a 1.5 L Denver …
Polymer-based collectors in flotation: A review
A wide range of organic polymers are utilized in the mineral industry as flotation agents, serving specific modifying roles like depressants, dispersants, or flocculants …
Froth flotation process and its application
But during sulfidization flotation, malachite gets . depressed after the add ition of excess sod ium sulfide. So ammonium sulfate, (NH 4) 2 SO 4 is used as a . sulfidization prom oter. [36]
(PDF) Effects of 8-Hydroxyquinoline and Salicylaldoxime on Malachite …
The natural malachite has been ground in the agate mortar till 2-10 m m; part of the sample obtained is used to draw the spectres I.R.; some part of the sample is treated with solution of …
Sulfidization flotation performance of malachite in the …
The single mineral flotation results indicate that it may be possible to separate malachite from calcite by sulfidization-xanthate flotation. Hence we test the separation …
Synthesis of 1-(2-Hydroxyphenyl) Dec-2-en-1-One Oxime and Its Flotation
Materials. The XRD of malachite, quartz, and calcite were shown in Figure 1.The element analysis of malachite, quartz, and calcite were listed in Table 1. −75 + 38 μm fractions …
Flotation separation performance of malachite from …
In the flotation of malachite, the most widely used method is to use xanthate collectors to float malachite minerals in the presence of sulfidizing reagents, viz. sulfidization …
Partial replacement of sodium oleate using alcohols with …
A natural malachite sample was obtained from the Lupe mine, Puebla, Mexico. The sample was crushed, hand-sorted and dry-ground to obtain different fractions for different …
Comminution effect on surface roughness and flotation …
However, as the oxygen flow rate increased from 0 to 10 sccm, the surface roughness decreased to 0.32 nm, corresponding to an increase in the contact angle to 147 •, …
Floc-Flotation of Malachite Fines with an Octyl Hydroxamate …
With the depletion of copper sulfide minerals, malachite has attracted increasing interest. Since malachite is a relatively soft mineral, with a Moh's hardness of 3.5–4 [], fines …
Novel chelating surfactant 5-heptyl-1,2,4-triazole-3-thione: …
While for malachite, its flotation recoveries increased from 38.26% to 78.62%, and then to 79.41% with nitrogen flow rate increasing from 50 to 200 mL·min −1, and then to 250 …
Flotation separation mechanism of malachite from calcite …
The flotation results indicate that the PX dosage is a key factor determining the flotation separation results of malachite and calcite. When its dosage reaches 1000 mg/L, the …
Interaction mechanism of copper ions with the surface of …
Furthermore, the activity of the sulfidization products on the sulfidized mineral surface increased and sulfidization flotation of malachite was promoted. The surface of …
Influence of Bacterial Detachment on the Bioflotation of Malachite
The effects of the bacterial growth phase on the malachite flotation were investigated in a well-controlled Hallimond tube system. Rhodococcus opacus, which is one of …
Efficient lead-free flotation separation of malachite from …
EPA was first introduced in the lead-free malachite flotation. EPA owned a stronger affinity with malachite, which could enhance its recovery. The corrosive effect caused …
A Review of the Flotation of Copper Minerals
Hydrodynamics factors which contr ibute to the kinetics of flotation such as agitation, air flow rate, ... "Hydroxamate flotation of malachite," Canadia Metal lurgical . Quarterly, no. …
Malachite flotation using carbon black nanoparticles as …
In this study, the flotation behavior of malachite was investigated using carboxyl-functionalized carbon black nanoparticles (CB-NPs) as collectors in a hydrodynamically …
Evaluation of L-arginine as an Eco-Friendly Activator for Malachite …
Why LA was first introduced as a sulfidization activator to enhance sulfidization flotation of malachite? Because of its structure? What might be the interaction? What is the …
Improved activation of malachite sulfurization flotation by …
Copper oxide ores, including malachite [Cu 2 (CO 3)(OH) 2], are indeed essential sources of industrial copper.These ores undergo several techniques to extract copper from the ore, …
A Multistage sulphidisation flotation procedure for a low …
In this study, the flotation separation performances of malachite from calcite were investigated using a new chelating collector S-carboxymethyl-O, O'-dibutyl dithiophosphate …