ilmenite flotation recovery

ilmenite flotation recovery

Selective flotation of ilmenite from olivine using the ...

2016-12-10 · As illustrated in Fig. 3, ilmenite recovery is gradually enhanced from 73.57% to 89.79% until NaOL concentration reaches 3 × 10 − 4 M. When the collector dosage is 6 × 10 − 4 M, the maximum flotation recovery of ilmenite reaches 93.54%.

(PDF) Ilmenite Mineral's Recovery from Beach Sand Tailings

industrial minerals zirconia, ilmenite and rutile had been extracted in previous mining operations. About 61% natural ilmenite recovery was observed in the flot ation concentrate of a Humphrey...

Effect of acid surface dissolution pretreatment on the ...

2017-10-10 · Fig. 2 presents the flotation recovery of ilmenite and olivine-pyroxene before and after acid surface dissolution as a function of pH values. In the case of ilmenite, two recovery peaks appear in the flotation recovery curve before and after acid surface dissolution. The appearance of these two peaks is in good agreement with the previous studies (Fan and Rowson, 2000a, Fan et al., 2009).

EFFECT OF OXIDATION ROASTING ON ILMENITE

2014-5-13 · increase in ilmenite flotation recovery was about 50% at pH values ranging from 4.0 to 4.5. After the roasting of ilmenite at 600 °C, ilmenite was floated with a recovery of 91% at pH 6.3. The maximum improvement of recovery at this pH was about 17.5%. In alkaline aqueous solutions, ilmenite flotation recovery was improved slightly. The

(PDF) Effect of oxidation roasting on ilmenite flotation

The ilmenite recovery for the untreated ore sample using microwave radiation was only 65.4% in the column cell flotation, and the grade of ilmenite concentrate was only 32.3% TiO2.Les principaux ...

Effect of surface dissolution by oxalic acid on flotation ...

2019-4-1 · The single mineral flotation tests show that after surface dissolution the maximum flotation recovery of ilmenite occurring at a pH of 6.3 is improved from 73% to 93.4%%, while at this condition the floatability of olivine-pyroxene and tremolite-clinochlore is decreased from 59.6% to 31.5% and 20.1% to 15.4%, respectively.

Implication for Ilmenite Flotation - MDPI

2019-11-13 · 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; [email protected] (N.L.);

Recycling of iron and titanium resources from early ...

2020-3-1 · As shown in Fig. 4, compared with the flotation results of untreated samples, treated samples with ultrasonic cleaning or attrition scrubbing had a better flotation results, i.e., the recovery of ilmenite had an obvious increase under the condition ensuring the grade of ilmenite above 47%. It could be also found that after attrition scrubbing ...

Recovery of Rutile Titanium Dioxide

2017-7-2 · The purpose of the flotation tests was to determine whether rutile recovery is more feasible from ground tailings samples or from as-received samples. Ground Tailings . 250-Gram-Batch Tests. A 250-gram-batch flotation cell was used for the preliminary flotation tests. To prepare a sample for flotation, the material was screened on a 200-mesh sieve.

Ilmenite beneficiation flotation ,mineral flotation ...

2020-9-9 · Ilmenite flotation technology. 09-09-20; 659 Views; icon 1; Ilmenite flotation technology . Ilmenite is brittle and dense. Due to the physical and chemical properties of the mineral surface, it is not easy to recover coarse-grained ilmenite, but fine-grained or fine-grained ilmenite has better floatability and can be recovered by flotation.

Ilmenite Recovery by Combined Processing Method

2020-2-10 · For ilmenite recovery, the combination of multiple methods is often better than the single dressing method, which can better improve the grade and recovery of the ore.At present, there are four kinds of combined separation methods for ilmenite in China, namely magnetic separation + flotation, gravity separation + flotation, magnetic separation + gravity separation, gravity separation ...

Ilmenite Mineral’s Recovery from Beach Sand Tailings ...

About 61 % natural ilmenite recovery was observed in the flotation concentrate of a Humphrey Spiral concentrate while a 62% recovery of hematite was found in the flotation tailings. The combination of screening, spiral concentration and magnetic separation, and flotation yielded a product with the highest ilmenite and hematite concentration ...

Testing reagents to improve the recovery of ilmenite ...

Testing reagents to improve the recovery of ilmenite flotation at Titania A/S. Author. Pielkenrood, R.J. Contributor. Voncken, J.H.L. (mentor) Faculty. Civil Engineering and Geosciences. Department. Geoscience & Engineering. Date. 2012-02-14. Abstract. Mineral processing plays an important part in providing our society with much needed resources.

EFFECT OF OXIDATION ROASTING ON ILMENITE

2014-5-13 · increase in ilmenite flotation recovery was about 50% at pH values ranging from 4.0 to 4.5. After the roasting of ilmenite at 600 °C, ilmenite was floated with a recovery of 91% at pH 6.3. The maximum improvement of recovery at this pH was about 17.5%. In alkaline aqueous solutions, ilmenite flotation recovery was improved slightly. The

Flotation characteristics of two different types of ...

2014-6-1 · The two kinds of ilmenite show different flotation recovery. The main difference between IL-N and IL-BP is the content of Ca (II) and Mg (II), which may be the reason they exhibit different flotation behaviors. Zhu (2011) studied the effect of surface dissolution on the flotation separation of fine ilmenite from titanaugite and found that in an ...

EFFECT OF TEMPERATURE ON THE CONDITIONING AND

2013-6-18 · flotation response, increased the ilmenite recovery and decreased the ilmenite grade. Although temperature affected the conditioning process by increasing bulk flocculation during conditioning it was not the temperature of conditioning but the temperature of flotation that most

US2557455A - Flotation of ilmenite ores - Google Patents

ilmenite ore flotation concentrate pulp Prior art date 1948-03-12 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US14638A Inventor Moyer Payne

Surface modification of ilmenite and flotation

2021-4-11 · Both the micro-flotation and adsorption experiments showed that flotation recovery of ilmenite was significantly improved after activation by Fenton. Compared with ilmenite without Fenton activation, zeta-potential measurement and XPS analysis demonstrated that the number of active sites on the surface of ilmenite increased.

Recovery of Rutile Titanium Dioxide

2017-7-2 · The purpose of the flotation tests was to determine whether rutile recovery is more feasible from ground tailings samples or from as-received samples. Ground Tailings . 250-Gram-Batch Tests. A 250-gram-batch flotation cell was used for the preliminary flotation tests. To prepare a sample for flotation

2017-Flotability Improvement of Ilmenite Using Attrition ...

2017-2-17 · 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.

Recovery of Ilmenite and Other Heavy Minerals from Teri ...

2013-12-24 · ilmenite concentrate obtained contains 99.1% ilmenite with 3.5% yield and 94% recovery. The other heavy minerals, including zircon (53.3%) and sillimanite (31.7%), could be further processed for recovery of individual mineral of zircon and sillimanite by judicious combination of gravity and flotation

Behaviour of ilmenite as a gangue mineral in the ...

2021-8-12 · an important role in selective flotation of pyrochlore. Flotation of pyrochlore was more selective over ilmenite when SHMP was added before BHA, similar to a cleaner flotation stage in real-ore flotation. Contrary to micro-flotation results titanium recovery was high (more than 60% TiO 2 recovery

Effect of microwave radiation on ilmenite flotation ...

After exposure to microwave radiation for a short time, ilmenite recovery was increased by about 20%. The specific surface area of ilmenite samples underwent a significant change with microwave exposure time; also new phases were observed. Microwave exposure speeded up the oxidation of ferrous ions to ferric ions on the ilmenite surface.

How to Separate Ilmenite? - Mining-pedia

2019-4-19 · The recovery of ilmenite by heavy - flotation process has a good effect on the selection of ilmenite with grade less than 6%. The grade of ilmenite selected by this method can be directly raised to more than 30% after reprocessing, and the final titanium concentrate grade can reach 47% after flotation desulfurization and other processes, and ...

Fundamental Investigation of Microwave Pretreatment on

2008-5-15 · The investigation into the surface zeta potential indicates that microwave irradiation enhanced the adsorption of oleate ions in the Helmholtz layer of the ilmenite particles and resulted in ilmenite surface charge being more negative. Improved ilmenite flotation recovery was observed after microwave pretreatment.

OPTIMIZATION OF FINE ILMENITE FLOTATION

Abstract: A cyclonic-static micro-bubble flotation column was applied to upgrade fine ilmenite. The optimum parameters of flotation in the column were determined basing on the grade-recovery upgrading curve. A continuous pilot plant test was conducted using

Study on Influence of Residual Magnetite in Panzhihua ...

2017-1-22 · Test results showed from table 4: flotation recovery of ilmenite was increased significantly without magnetite influence, and compared with the process of removing magnetite after flotation, not only concentrate grade was improved two percent, but also recovery

Anti-Depression Effect of Sulphuric Acid on the Flotation ...

SYB2# (a category of hydroxamic acid) was employed as the collector of ilmenite flotation. Sodium carboxymethyl cellulose was employed as the depressor of gangue, and sulphuric acid as the pH adjustor of flotation. The effect of pH values on the recovery of ilmenite and gangue was investigated on the condition with (or without) depression respectively.

Investigations into the Recovery of Platinum Group ...

2021-7-21 · In the flotation of platinum group minerals (PGMs) it has generally been assumed that they will behave similarly to base metal sulfides and thus sulfide reagent regimes are generally used in such flotation plants. However the tellurides and arsenides of platinum and palladium contribute about 50% of the PGMs present in the Platreef ore, located in the northern limb of the Bushveld Complex of ...