Flotation Quartz Sciencedirect
Non-polar oil assisted DDA flotation of quartz I
In this paper, in order to study the interaction mechanism of non-polar oil assisted dodecylamine (DDA) flotation of quartz, the particle-oil drops sy…
Flotation of quartz from quartz-feldspar mixtures by
Flotation experiments performed on a quartz-feldspar mixture demonstrate that quartz can be floated selectively from feldspars in diluted solutions of hydrofluoric …
Effect of ultrasound on bubble-particle interaction in quartz …
In this study, the effect of ultrasound (US) on the quartz-amine flotation system was investigated in detail by considering various surface chemistry …
Non-HF collectorless flotation of quartz
Pure mineral flotation experiments have demonstrated that quartz can be floated without a collector, in solutions containing an inorganic acid (e.g. H2SO4) and sodium fluoride (NaF).
Investigations on the reverse flotation of quartz from
The flotation results of single minerals revealed that the reagents scheme of CMCS/DDA could be used in the reverse flotation of quartz from hematite. The flotation tests of mixed hematite and quartz in the mass ratio of 4:1 were carried out in the presence of 60 mg/L collector and 12 mg/L depressant at pH 8.
Towards a new process for the flotation of quartz
Results obtained from flotation experiments performed on three different quartz concentrates demonstrate that quartz can be floated in diluted solutions of …
Effect of butanol on flotation separation of quartz
In order to investigate the effect of butanol on quartz flotation when N-dodecyl ethylenediamine (ND) was used as collector, single mineral flotation …
Selective flotation of quartz from feldspar using
Micro-flotation tests on single mineral and artificially mixed minerals proved that HPS had a strong depression effect on feldspar and the flotation of quartz was barely affected by the HPS. The bench-scale flotation tests further indicated that HPS exhibited great application potential in the flotation separation of quartz and feldspar.
Removal of fine quartz from coal-series kaolin by flotation
The mineralogical, morphological, chemical characteristics of the coal-series kaolin were analyzed in order to liberate quartz from kaolin. Single mineral flotation tests of pure kaolin and quartz was carried out to evaluate flotation responses in the presence of an amine collector (DDA) and three depressants (HF, sodium silicate and starch).
Synthesis of N,N-Bis(2-hydroxypropyl)laurylamine and its flotation …
A novel surfactant N,N-Bis(2-hydroxypropyl)laurylamine (NHPA) was synthesized and utilized as a collector in the flotation of quartz. The properties of NHPA were explored. The adsorption behavior of NHPA on quartz surface was investigated by FT-IR spectra studies, zeta potential measurements and XPS analysis.
Flotation of quartz using imidazole ionic liquid
Four kinds of ionic liquids (ILs) with different counterions were used as collectors to perform flotation tests for pure quartz and quartz-hematite mi…
The role of phosphate in inhibiting the activation of quartz flotation
To inhibit the activation of Mg 2+ on quartz flotation, phosphate was proposed as a depressant for quartz flotation in the presence of Mg 2+. The strong chelation between phosphate and metal ions makes phosphate widely used as a depressant for many Ca/Mg containing minerals [24].
Study on expanding flotation performance differentiation of quartz …
Micro-flotation experiments were used to examine the flotation performance of magnesite and quartz under various conditions. Zeta potential measurements, Fourier-transform infrared (FTIR) analysis, X-ray photoelectron spectroscopy (XPS) measurements, and Density functional theory (DFT) calculations were used to systematically investigate the ...
Advanced Techniques on Fine and Coarse Particle Flotation
In this chapter, the development of new technologies to increase the efficiency of the flotation of fine and coarse particles is discussed. General flotation …
Differential adsorption of a high-performance collector
However, as the starch concentration increased to 5 mg/L, the quartz recovery decreased slightly by 1.73% and maintained a high value of over 96.10%. These results indicated that starch had a remarkable depression impact on the hematite flotation but hardly depressed the quartz flotation when using the collector DEOSA.
Aliquat-336 as a novel collector for quartz flotation
Aliquat-336 is a novel collector in the flotation of quartz from BHQ ore. • 65% Fe grade with 60% recovery was achieved from a lean ore containing 38% Fe.
Dissolved air flotation (DAF) of fine quartz particles
Experimental studies concerning the dissolved air flotation (DAF) of fine (d p < 100 μm) quartz particles, using two different flotation cells (setups), are presented.Pure and well characterised quartz samples were treated with a commercial amine as collector prior to flotation and bubbles were characterised by the LTM-BSizer …
Study on expanding flotation performance
In this study, a combination of FTIR analysis, XPS analysis, DFT calculations, zeta potential characterizations, and micro-flotation experiments were used to examine the impacts of …
New perspectives in iron ore flotation: Use of
A two-stage iron ore flotation process was developed. • Amidoamine proved an effective collector for silicate. • Selective flotation of quartz and hematite was achieved with no use of depressant.
Effect mechanism of the iso-propanol substituent on
The flotation performances of magnesite and quartz were investigated with dodecylamine (DDA), N-dodecyl-iso-propanolamine (DIPA, containing one iso-propanol substituent group), or N,N-dodecyl-diiso-propanolamine (DDIPA, containing two iso-propanol substituent groups). Different flotation behaviors of the three collectors were …
Flotation separation of feldspar from quartz using sodium
The selective separation mechanism of feldspar and quartz was revealed by flotation experiments, Fourier transform infrared spectroscopy (FTIR), X-ray …
Flotation separation of quartz from apatite and surface
In this research, insights into the influence of calcium ions on the adsorption behavior of sodium oleate and its response to flotation of quartz were systematically investigated. Micro-flotation experimental results show that addition order of calcium ions influences the quartz flotation.
Activation mechanisms of quartz flotation with calcium
High-efficiency flotation of quartz under alkalescent conditions remains challenging owing to the leak of an effective activator. In this research, hi…
Selective flotation of quartz from feldspar using
Feldspar and quartz are similar in composition and structure, and hence, they exhibit low flotation separation efficiency in acid or alkaline conditio…
Selective collection performance of an efficient quartz
Compared with the traditional collector DA, LAEO-15 owns high flotation selectivity for quartz against malachite so that it possesses tremendous potential for industrial applications in recovering malachite efficaciously from quartz via …
Flotation mechanism and application of PEA with
In this study, the flotation behavior and adsorption mechanism of quartz flotation using poly (propylene glycol) bis (2-aminopropyl ether) (PEA) with …
Flotation
Flotation has been used by mineral and chemical engineers for the separation and concentration of aqueous suspensions or solutions of a variety of minerals, coal, …
The combined application of Na2SiO3 and Mn2+ enhancing the flotation
The best choice is the quartz sand mineral, which is available and commonly used. Kaolinite is a silica-oxygen compound considered as common impurity in quartz sand minerals. Many studies have been conducted on its separation from quartz by flotation. Quartz is a common associated impurity in minerals. It has been widely studied due to …
Towards a new process for the flotation of quartz
It is in light of this that the direct and collectorless flotation of quartz was investigated. The main purpose of this paper is to report and document initial experimental findings that could lead to a new process for flotation of quartz and production of high purity quartz concentrates.
Innovating an amphoteric collector derived from
The preferential adsorption of XG on apatite surface facilitates the reverse flotation separation of apatite from quartz by DDALA collector. Flotation agents predominantly adhere to mineral surfaces through interactions involving their non-metallic elements, such as O and N, possessing lone pair electrons, and the elements on the mineral ...