Sun et al. found that acetohydroxamic acid showed excellent collecting ability and selectivity in the flotation separation of cassiterite from calcite and quartz (Sun et al., 2020). Nevertheless, to date, little attention has been given to studying the flotation separation performance of fluorite and barite using hydroxamic acid collectors.
Finally, the most widely seen fluorite-flotation cases, including separation of fluorite from quartz, calcite, barite, and sulfide, are summarized individually. The present review sheds new light on the deep understanding of fluorite flotation, the future synthesis of reagents, …
The optimal pH for the froth-flotation separation was determined for biotite, muscovite, and a mixed sample of biotite and quartz (i.e., to distinguish the two minerals by color with the naked eye) using a micro flotation separator (XFG50-100, Jiangxi Yunhao Mining and …
WG with fine fluorite barrier and increased higher quartz modulus and from therefore, 0.94 exhibited 10 improved more to 6.11 depression more 10 on KT. the effect flotation on the selectivity ...
1. Introduction. Fluorite is one of the most important fluorine-containing minerals in Earth's crust, and it is composed of calcium and fluorine [1], [2].As an important non-metallic strategic mineral resource, fluorite plays an irreplaceable role in traditional industries such as metallurgy, chemical engineering, and building materials, and in …
Notably, the density of the Ca 2+ ions on fluorite surface surpasses that on calcite surface, enabling BHA to selectively separate these two minerals. In the context of fluorite/barite flotation separation, a novel hydroxamic acid collector, octylamino-bis-(propanohydroxamic) acid (OPHA), has been utilized (Duan et al., 2021).
The ore sample consisted of fluorite, quartz, calcite and clay minerals. The head grade for the sample was determined to be 75.08% CaF 2, 5.01% CaCO 3 and 9.69% SiO 2 . The particle size distribution of the sample was determined by using standard sieves, showing that the d 30, d 50 and d 80 (diameter at the cumulative undersize of …
DOI: 10.1016/j.mineng.2020.106491 Corpus ID: 219931354; The utilization of citric acid as a depressant for the flotation separation of barite from fluorite @article{Liu2020TheUO, title={The utilization of citric acid as a depressant for the flotation separation of barite from fluorite}, author={Cheng Liu and Ming Zhou and Ling Xia and Weng Fu and Weiguang …
To achieve the efficient separation of fluorite from calcite, depressants were commonly introduced in the fluorite/calcite system. ... Modified starches have also been used as depressants in different mineral flotation systems, such as hematite-quartz [14], barite-fluorite [2] and hydraulic diaspore-aluminum silicate [15]. However, very few ...
To better assess the observed effect of AAG on the separation of quartz from magnetite, surface analysis of the mineral surfaces was considered. Download ... Selective adsorption of tannic acid on calcite and implications for separation of fluorite minerals. J. Colloid Interface Sci., 512 (2018), pp. 55-63, 10.1016/j.jcis.2017.10.043. View …
In this study, curdlan was used as an efficient and eco-friendly calcite depressant for flotation of fluorite/calcite. Firstly, the structure and molecular weight of curdlan were characterized. Floatation test results showed that the flotation difference between fluorite and calcite was expanded by curdlan, thus enabling the flotation …
The quartz recovery decreased from 28.48% to 8.11% as the increase of the mass ratio from 0 to 9:1. The experimental results show that the addition of metal ions can promote the efficient flotation separation of fluorite and quartz for the mixed samples. Download : Download high-res image (675KB) Download : Download full-size image; …
1. Introduction. The cassiterite occurring in hard-rock deposits is usually associated with polymetallic sulphide minerals and many other gangue minerals, including fluorite [1].The presence of fluorite makes the flotation separation of cassiterite a very challenging work because the conventional collectors for cassiterite also float fluorite …
The key technical problems of fluorite separation, such as flotation separation of fluorite and calcite, low temperature flotation reagents, and the influence of ions in pulp, were discussed. ... LIANG P M, YUAN Q Z, et al. Experimental study on flotation of a low grade calcite-quartz-fluorite ore[J]. Non-Metallic Mines, 2018, 41: 70 …
Semantic Scholar extracted view of "The flotation behavior and adsorption mechanism of a new cationic collector on the separation of spodumene from feldspar and quartz" by Ruiqi Xie et al. ... Depressing behaviors and mechanism of an eco-friendly depressant on flotation separation of cassiterite and fluorite. Liang Lv Xun Wang Hui …
The efficient separation of fluorite and calcite is a challenging task in the field of mineral processing because of their similar chemical and physical properties. In this research, octylamino- bis - (butanohydroxamic acid) (OBHA) was introduced as collector into a flotation system comprising fluorite and calcite, and the separation of ...
The Role of Water Glass in the Flotation Separation of Fine Fluorite from Fine Quartz. DOI: CC BY. Authors: Guofan Zhang. Yawen Gao. University of Alberta. Wei Chen. Dezhi Liu. Abstract and...
The efficient separation of complex associated fluorite and calcium-containing gangue minerals is difficult to achieve using a traditional fatty acid collector due to the poor selectivity and adaptability of such collector. This study utilised a novel anionic/nonionic collector, namely, a mixture of sodium oleate (NaOL) and oleamide, to …
To achieve the efficient flotation separation of cassiterite from fluorite, an eco-friendly depressant, the disodium salt of adenosine 5′-triphosphate (Na 2 ATP), was employed for the selective depression of fluorite. The performance of Na 2 ATP as a depressant in the flotation of cassiterite and fluorite was evaluated by micro-flotation …
Fluorite and calcite were separated with nitrilotriacetic acid (NTA) as a depressant. The single mineral flotation experiment confirmed that with 40 mg/L NaOL and 80 mg/L NTA, the fluorite recovery…
Semantic Scholar extracted view of "The effect of citric acid in the flotation separation of bastnaesite from fluorite and calcite using mixed collectors" by Yanbo Xu et al. ... behavior and adsorption mechanism of a new cationic collector on the separation of spodumene from feldspar and quartz. Ruiqi Xie Yimin Zhu Jie Liu Yan-jun Li. Materials ...
DOI: 10.1016/j.ces.2023.119608 Corpus ID: 265697228; Understanding the sequential flotation separation of fluorite, barite and calcite through the AFM adhesion force @article{Yu2023UnderstandingTS, title={Understanding the sequential flotation separation of fluorite, barite and calcite through the AFM adhesion force}, author={Jiang Yu and …
In this work, to achieve the separation of barite from fluorite, 2-phosphatebutane-1, 2, 4-tricarboxylic acid (PBTCA) was used to depress fluorite, and the floatability, separation efficiency and ...
It has also been used in the separation of feldspar and quartz (Shehu and Spaziani, 1999), as well as, monazite and calcite (Zhang and Honaker, 2018). Due to its strong complexing ability with calcium ions (Arena et al., 1983), EDTA may be used to effectively depress alkaline earth minerals such as fluorite in RE flotation. In the current …
Fluorite ore, as an essential raw material in the fluorinated chemical industry, required effective separation and purification. The removal of impurities such as quartz becomes the key point in fluorite flotation.In this work, the fluorite flotation tests via adding the different mass ratios of metal ions (Fe 3+, Cu 2+, Al 3+) and sodium silicate …
PPPDA is used as the reverse collector in the flotation separation of spodumene from feldspar and quartz. At the optimal condition, it can achieve the flotation recoveries of approximately 90% of feldspar and quartz, while the recovery of spodumene is …
A selective organic depressant was investigated to promote the separation of scheelite from calcite and fluorite. 1-Hydroxyethylidene-1, 1-diphosphonicacid (HEDP) could efficiently reduce the ...
Finally, the most widely-seen fluorite-flotation cases, including separations of fluorite from quartz, calcite, barite, and sulfide, are summarized individually.
Fluorite and scheelite, which are strategic calcium-bearing minerals, have similar active sites (Ca2+); as a result, the efficient separation of the two minerals is still one of the world's most difficult …
In this flotation method, three types of separations (barite-fluorite separation, calcite-fluorite separation, and quartz-fluorite separation) are performed with success. Fatty acids (collector) and sodium silicate (depressant) were used for quartz separation as these chemicals were performed elsewhere with high flotation efficiency (Gao et al ...
In the absence of fine quartz, fluorite exhibited a good flotation behavior with 91.6% recovery at the end of flotation. The result indicates that sodium oleate is an excellent collector for fluorite flotation. ... Use of Al 2 (SO 4) 3 and acidified water glass as mixture depressants in flotation separation of fluorite from calcite and ...
However, the flotation separation of fluorite from quartz using water glass is not so effective, as there is always a small amount of fine quartz (less than 10 μm) in the fluorite concentrate. The floated fine quartz in fluorite concentrate has been reported to …
The objectives of this work are: (i) to demonstrate the flotation separation performance of bastnaesite from fluorite and calcite using the OHA/NaOL mixed collectors and depressant H 3 Cit, (ii) to investigate the underlying mechanism of the selective depression of H 3 Cit for gangue minerals, and (iii) to reveal the fundamental differences …
Wang et al. (2019) employed CA as a depressant to reduce the flotation recovery of Ca 2+-activated quartz. These findings indicated that CA could interact with calcium ions on Ca-bearing mineral surfaces and thereby has the potential to be used in the flotation separation of barite from fluorite.
However, low-quality fluorite ores usually contain a large amount of calcite in nature [7], then causing the difficult separation result of fluorite from calcite due to the similar surface properties when using fatty acid (such as NaOl) as the common collector [8], [9]. Therefore, a highly selective depressant needs to be added to the flotation ...
However, most of the researches were mainly focused on the separation of cassiterite from quartz, the research about the separation of cassiterite and fluorite was important but still limited. In this paper, an economical and environmentally-friendly depressant galactomannan (GM) was introduced to selectively separate cassiterite and …
Fluorite ore contains calcite, quartz, barite, celestite and different sulfide minerals. Pure fluorite has 48.7% of fluor and 51.3% of calcium. This mineral has very large cubic crystals and is sometimes found in combination with octahedral surfaces as well as dodecahedral, rhomboidal, tetrahedral and other forms [ 1 ].
Abstract. Feldspar and quartz are similar in composition and structure, and hence, they exhibit low flotation separation efficiency in acid or alkaline conditions and while using the traditional reagents scheme. In this study, hydroxypropyl starch (HPS) was introduced as a novel depressant in the flotation separation of quartz from feldspar.
The removal of fine quartz in fluorite concentrate is the main problem in fluorite flotation. In this study, the flotation tests on fluorite, quartz and a weight equivalent mixture (all less than ...
In this study, The flotation the effect tests of water on the glass single modulus minerals (n) of on fine the fluorite separation and quartz of fine (all fluorite less than and 10 quartz...
