آخرین محصولات
Surface modification of ilmenite by introducing copper
In this study, a novel method for the activation flotation of micro-fine particle ilmenite was performed. Micro-flotation experiments, solution chemistry, X-ray …
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Application of Waste Engine Oil for Improving Ilmenite Flotation
Abstract Collectors commonly have synergetic effects in ores flotation. In this work, a waste engine oil (WEO) was introduced as a collector to an ilmenite flotation …
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Implication for Ilmenite Flotation
minerals Article Novel Selective Depressant of Titanaugite and Implication for Ilmenite Flotation Nengyun Liu 1,2, Zhen Wang 3,*, Junhui Xiao 3,*, Hongbin Wang 1, Bing Deng 1,2, Yushu Zhang 2 and Chao Chen 2 1 State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, China; …
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Study on Influence of Residual Magnetite in Panzhihua Ilmenite Flotation
Sodium oleate has been widely used as a common collector in oxidised ore flotation, as well as in the flotation separation of ilmenite from gangue minerals (Du et al., 2020;Liu et al., 2015a). ...
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Application of Waste Engine Oil for Improving Ilmenite Flotation
Collectors commonly have synergetic effects in ores flotation. In this work, a waste engine oil (WEO) was introduced as a collector to an ilmenite flotation system with sodium oleate (NaOL). The results show that the floatability of ilmenite was significantly improved by using WEO and NaOL as a combined collector. The recovery of ilmenite …
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Impact of acid surface pretreatment on the flotation of ilmenite …
The effect of acid surface pretreatment on the flotation behaviors of ilmenite and titanaugite was investigated with BHA collector and Pb 2+ activator. The flotation recovery of ilmenite improved from 62.56% to 84.68% at pH 8.0 after pretreated with H 2 SO 4 solution, while that of titanaugite decreased from 35.73% to 0.54%. The …
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RESEARCH AND COMMERCIALISATION TREATMENT …
3.2. LaboratoryTests with Flotation as a Cleaning Stage In the laboratory flotation tests, several reagents as collectorswere tested and the flowsheet was optimized. Typical results are shownin TableIII. TheTable shows that the grade ofthe ilmenite concentrate can be upgraded to about 47% TiO2 by flotation. Recovery ofTiO2 in the
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A review of mineral processing of ilmenite by flotation
Show abstract. Development of environmentally friendly, energy-efficient, methods to improve flotation recovery of ilmenite is significant. Herein, a new method of …
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Activation of ilmenite flotation by sodium chlorite in the sodium
2.2. Methods2.2.1. Micro flotation tests. An XFG-35 flotation machine with a tank volume of 40 mL was used for the micro flotation test. In detail, 2 g of ilmenite (particle size: 38–74 μm) and 38 mL of water were added simultaneously into the flotation tank rotating at a fixed speed of 1700 rpm.
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Study on Influence of Residual Magnetite in Panzhihua Ilmenite Flotation
The test results showed: collector BS-1 was a new ilmenite flotation collector which had strong collecting characteristic and good selectivity. 2 Test samples Test samples got from magnetic tailings of Panzhihua Titanium Corporation. The content of TiO 2 was 11.81%, S was 1.01% in samples, main metal minerals were ilmenite, little titanium ...
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Effect of acid surface pretreatment on the floatability difference
For the refractory ilmenite ore, it was difficult to acquire the qualified titanium concentrate grade by the conventional separation methods including one rougher and four cleaning flotation stages. However, the best result of a 47.68 % TiO 2 grade together with a 26.66 % TiO 2 recovery was obtained after acid surface pretreatment of rougher ...
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Application of Waste Engine Oil for Improving Ilmenite Flotation
The micro-flotation results showed that ilmenite and titanaugite exhibited good floatability at pH 5.0–8.0, but they had no significant difference. The NaOL adsorption on the ilmenite surface ...
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Titanium Ore Processing and Beneficiation
Titanium Ore Processing and Beneficiation. To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has a SG of 4.5 to 5.0, hardness of 5.0 to 6.0, and is weakly magnetic.
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Comparative study on adsorption and depressant effects
The flotation recoveries of ilmenite and forsterite as a function of the sodium silicate concentration at pH 5.0–6.0 is shown in Fig. 7, the flotation recoveries were both depressed. According to the results of Fig. 4, Fig. 6, the selective depressant effect of sodium silicate is more effective than CMC for the flotation separation of ...
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(PDF) Novel Approach for Fine Ilmenite Flotation Using …
Effect of pH on flotation recovery of fine ilmenite and fine titanaugite mixed with HGB after treated with sodium oleate and sodium silicate (the mineral size distributions of 0–19 µm, 4.0
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A new collector scheme for strengthening ilmenite floatability in
The optimal pH range for ilmenite flotation was enlarged to more acidic region by the combined collector, which was quite beneficial for enhancing flotation …
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A review of mineral processing of ilmenite by flotation
At present, the collectors employed for the recovery of ilmenite can be broadly classified into six categories: oxidized paraffin soap, tall oil, arsenic acid, oleic acid and …
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Flotation behavior and mechanism of ilmenite using
Fig. 2 shows the variation of ilmenite flotation recovery as a function of sodium ferrate concentration at pH 6 and a sodium oleate's concentration of 1.75 × 10 −4 mol/L. By increasing the sodium ferrate concentration, the flotation recovery enhances and reaches its maximum at 2 × 10 −5 mol/L. When the sodium ferrate concentration was …
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Depression effect of acid surface pretreatment on the flotation
The acid surface pretreatment could eliminate the effect of the diversity of titanaugites in the flotation of ilmenite ore. Introduction Froth flotation is an effective physicochemical separation method to be applied in the beneficiation of ilmenite ore (Behera and Mohanty, 1986, Chen et al., 2021, Fan et al., 2009, Fan and Rowson, 2000).
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Adsorption mechanism of styryl phosphonate ester as collector in
Abstract. A styryl phosphonate ester (SPE) collector was used to improve the flotation performance of ilmenite, and the adsorption mechanism and model were revealed and established, respectively. Microflotation tests showed that SPE exhibited a stronger collecting ability for ilmenite than the traditional collector styrene phosphonic acid (SPA).
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Minerals | Free Full-Text | Flotability Improvement of Ilmenite Using
Flotation technology of the recovery and utilization of ilmenite from tailings of iron beneficiated in Panzhihua was investigated based on mineralogical study. The results of mineralogical study show that the main occurrence of the valuable mineral are liberated grains of ilmenite. Experimental results of flotation conditions show that attrition …
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Action Mechanism and Progress of Ilmenite Flotation Reagents
In view of the increasing difficulty of ilmenite flotation in China, the flotation reagents of ilmenite are summarized from two aspects of collectors and regulators. Aiming at collectors, the chemical composition and the mechanism of mineral surface action are studied. The advantages and disadvantages of single collector such as fatty acid, …
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Ilmenite flotation
India has very large deposits of monazite on the coastal shores of Kerala and Chennai. A typical mineral composition of this type of deposit is 60% ilmenite, 1.2% rutile, 5% zircon, 6.4% garnet, 4% silinanite, 16% quartz, 2.5-5% monazite and 1-7% shell. Research work involved different anionic collectors and pH during monazite flotation, along ...
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Reagent types and action mechanisms in ilmenite flotation: A …
Combining the lead ion (Pb2+) and the benzyl hydroxamic acid (BHA) into a Pb—BHA complex has a marked effect on ilmenite flotation, which puts forward a new …
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Investigations on the synergistic effect of combined
Combined collector of different reagents is widely used in mineral flotation, while the synergistic effect mechanism remains in dispute.In this study, two anionic collectors of sodium oleate (NaOl) and styrene phosphonic acid (SPA) were applied in ilmenite flotation. Microflotation experiments showed that NaOl had a stronger …
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Minerals | Free Full-Text | Novel Approach for Fine Ilmenite …
First, ilmenite is placed in the flotation cell to be treated with NaOL, such that NaOL is chemisorbed on the ilmenite surface to make ilmenite hydrophobic. Then, …
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Optimization of fine ilmenite flotation performed in a cyclonic-static
High froth thickness and wash water addition during column flotation made it possible to obtain cleaner coals. The column flotation produced a 15.60% product ash with a 50.92% clean coal yield and ...
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Activation Mechanism of Lead(II) to Ilmenite Flotation Using
In this study, salicylhydroxamic acid (SHA), which exhibits superior flotation performance to conventional collector benzohydroxamic acid (BHA), was first introduced in ilmenite flotation. The addition of lead(II) can significantly increase the recovery of ilmenite using SHA as collector. Thus, the adsorption mechanism of SHA on lead(II)-activated …
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Analysis of the Application Potential of Coffee Oil as an Ilmenite
Coffee grounds are the most significant production waste in the coffee industry and contain about 15% coffee oil. Coffee oil is rich in fatty acids and polyphenols, which have great application potential in the flotation of oxidized minerals. In this study, coffee oil as a green flotation collector for ilmenite was investigated by micro-flotation, …
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Effects of ultrasonic pre-treatment on the flotation of ilmenite and
The flotation results reveal that, under optimum conditions, sonication has a remarkable effect on the flotation of ilmenite. The maximum flotation recoveries of raw …
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