No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
In the first step of flotation, the fluorite left in the tailing contained 29.6 % of CaF2. After flotation of this tailing, concentrate grade of CaF2 raised to 96 %. 0.5 % of sulfur was found in ... Table 2: The values obtained by flotation of the first sulfurized sample Recovery (%) Concentrate Assay (%) Unfloated Assay (%) Time (Min) pH Froth (g)
Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO2, Fe2O3 and Cr2O3 as nucleation ...
Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO2, Fe2O3 and Cr2O3 as nucleation ...
Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO2, Fe2O3 and Cr2O3 as nucleation agents, using a …
Fluorite is widely associated in rare earth ores, and the utilization of associated fluorite has become an important research direction of the comprehensive utilization of rare earth resources.
Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO2, Fe2O3 and Cr2O3 as nucleation ...
data reflect the indicators of fluorite concentration according to the scheme with 7-8-fold re-cleaning of products of the main flotation. Table 1. Results of flotation of fluorite from technogenic tailings in various grinding modes Exper iment Product Content, % Recovery CaF2, % Grinding CaF2 СаСО3 SiO2 parameters 1 8th re-cleaning
During the flotation separation process of bastnaesite, it is difficult to separate bastnaesite from fluorite effectively. In this present study, sodium silicate (SS) can effectively improve the ...
It is found that the mill tailings contain 14.92% of CaF2, 13.16% of CaCO3 and 0.49% of Zn. The use of new compositions of modifiers in flotation of fluorite allows production of standard grade …
2 P 2 O 5, 80.6ppm As, 0.58wt% Al 2 O 3 and less than 0.2wt% S the mined block was suitable for processing without further blending (Kern, 2013). Only the P
Blast furnace slag and fluorite tailings were vitrified into fluorapatite based glass-ceramics. The addition of fluorite tailings will bring the enhancement of crystallization. Needle …
The content of fluorite in the tailing sample is high, reaching up to 26.43 %. The content of REO is 6.02 %. Bastnaesite and monazite are the chief REO-bearing minerals. The content of Nb 2 O 5 is approximately 0.16 %; small amounts of niobium-bearing minerals, such as niobite and ilmenorutile, are also presented. The gangue minerals in the ...
This paper aims to provide an overview of tungsten (W) tailings properties, detrimental impacts of these tailings, approaches to mitigate these impacts, and a presentation of methods to reprocess them to capture their economic value. Since W is widely used in a variety of industries, it has been extensively mined since the 19th century, and the mining continues to …
The flotation of fluorite from ores by using acidized water glass (AWG)as depressant has been studied for the substitution of the commonly used depressant (soda ash plus sodium lignosulfonate).
Mining generates 13 billion tonnes per year of potentially toxic wet slurry waste, called tailings, commonly deposited in tailings storage facilities (TSF). Since 1915, 257 TSF failures have ...
Historically, safe containment has been the main goal of tailings management. Disposal has taken place in sizable surface impoundments that are enclosed by dams or embankments, as well as in subterranean workings and unnatural depressions [10], [11].However, the environment and communities are seriously endangered by the inappropriate management …
The main gangue species was fluorite with small amounts of dolomite and amphibole. ... Table 1. Chemical composition ... The possibility of iron extraction from flotation tailing containing 21.86% ...
The possibility of obtaining high-quality fluorite concentrates from manmade tailings at Yaroslavskaya Mining Company is studied. It is found that during fine milling of the …
The flotation of fluorite from ores by using acidized water glass (AWG)as depressant has been studied for the substitution of the commonly used depressant (soda ash plus sodium lignosulfonate).
Table 1. Chemical composition of the fluorite and barite powder sampl es ... floated and tailing fractions were collected ... Fluorite is an important industrial mineral composed of calcium and ...
Abstract: Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO2, Fe2O3 and …
Fluorite tailings (FT) is an industrial waste generated from the flotation process of fluorite ore. The improper disposal would cause potential metallic and fluorine contamination to the water and soil [5]. The utilization of fluorite tailings and blast furnace slag as raw materials for glass-ceramic formation would be of great interest to the ...
Taking the disposal of huge-scale tailing slag generated in the construction of a fluorite lead-zinc mine in Chenzhou, Hunan province and greening of the dump as the research object, the physical and chemical defects of tailing slag were clarified by soil obstacle factor identification firstly. Then, biochemical fulvic acid (BFA), ammonium dihydrogen phosphate, zeolite and organic fertilizer ...
The extraction of sample 1 yielded 52% of fluorite extraction to the concentrates with 92.2-92.8% fluorite content, and more than 69% when beneficiating the sample 2.
In this work, fluorite was employed to accelerate magnesium (Mg) dissolution from serpentine tailings, and the dissolution mechanism was investigated by leaching experiments, kinetics equations ...
Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO2, Fe2O3 and Cr2O3 as nucleation ...
(a) Technological process showing the effects of pH and each reagent dosage; (b) Sn recoveries and grades of the flotation concentrate and tailing as a function of pH; dosages of (c) Na2SiO3, (d ...
Table 3 summarizes the irradiation conditions. After the irradiation, Samples 2 and 3 were characterized according to Table 2. ... Tailing fluorite ore samples collected form the collapsed Stava ...
Fluorite ore resources are widely distributed in South Africa, Mexico and China, and their total reserves exceed 240 million tons [1]. Fluorite tailing is a typical industrial solid waste generated during the fluorite ore flotation process and is mainly composed of CaO, SiO 2, Al 2 O 3 and CaF 2.The inappropriate disposal of fluorite tailings has resulted in the wastage …
Downloadable! Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO 2, Fe 2 O 3 and Cr 2 O 3 as nucleation agents, using a conventional melting method. The effects of various nucleating agents on the phase components and structure of the prepared glass …
