Researching on Double-Reserve Flotation Reagents of Phosphate Mineral

2014 ◽  
Vol 955-959 ◽  
pp. 676-680
Author(s):  
Jin Zhong ◽  
Lin Pang Du ◽  
Yong Jie Guo ◽  
Fu Yue Fang
Keyword(s):  
Reverse Flotation ◽  
Flotation Reagents ◽  
Phosphate Mineral ◽  
Cationic Collector

Using of the process of "double-reverse flotation " to the semi-weathered ore resources from Yunnan Dianchi areas. The first section, it using the anionic collector to floating and excluding dolomite impurities; The second section,it adopting cationic collector to floating the siliceous materialand and argillaceous gangue. In the "double reverse flotation technology", it mainly by adding a new phosphate inhibitor to enhance the efficiency on desilication and desmagnesiumtion; also using a new desiliconization agent to improve the desilication efficiency and liquidity bubble.In the end,it can obtain qualified concentrate.

Improved Flotation of Oolitic Hematite Ore Based on a Novel Cationic Collector

2013 ◽  
Vol 712-715 ◽  
pp. 743-747
Author(s):  
Zhi Qiang Rao ◽  
Yu Shu Zhang ◽  
Yong Chao Jin
Keyword(s):  
Fine Particles ◽  
Separation Efficiency ◽  
Ring Structure ◽  
Reverse Flotation ◽  
Silicate Minerals ◽  
Iron Minerals ◽  
Mineral Compositions ◽  
Hematite Ore ◽  
Cationic Collector ◽  
Oolitic Hematite Ore

Oolitic hematite is one of the most refractory iron ores with complicate mineral compositions and abundant reserves in China. The hematite and limonite in the ore integrate closely with fine particles of collophanite, quartz, chamosite, calcite and chalcedony to form concentric ring structure, making the separation of the minerals extremely difficult. Since the tiny hematite crystal can not be liberated during the grinding of the ore the beneficiation can only be accomplished by recovering iron minerals aggregate with hematite as the major component. The previous research results showed that reverse flotation with fatty acid collectors could remove liberated phosphate minerals but not the quartz, chlorite and silicate minerals. This was because the gangue minerals such as quartz were contaminated by iron on the surface and there were high content of iron in some silicate minerals and high content of silicon in iron minerals, causing the floatability difference between the silicon and the iron minerals very small and thus the separation efficiency very low. Experiments were conducted to beneficiate the ore by reverse flotation with different cationic collectors. The results indicated that the flotation separation efficiency with most cationic collectors such as dodecylamine, ether amine, GE601 or GE609 was not satisfactory. However, a novel cationic collector for silicon removal, EM506 was found to be specifically selective to separate the gangue minerals from the iron ore with an increase of TFe grade from 49% to more than 58% and a recovery of TFe greater than 96%, which provided a promising approach for the beneficiation of the refractory oolitic hematite ore.

Test Research on HIMS-Reverse Flotation of Oolitic Hematite of Longyan Iron Mine

2013 ◽  
Vol 753-755 ◽  
pp. 24-27 ◽  
Author(s):  
Shu Xian Liu ◽  
Jin Xia Zhang ◽  
Miao Chen ◽  
Zhi Shuai Xu
Keyword(s):  
Magnetic Separation ◽  
Reverse Flotation ◽  
Test Results ◽  
Flotation Reagents ◽  
High Gradient Magnetic Separation ◽  
Iron Concentrate ◽  
Iron Mine ◽  
Hematite Ore ◽  
Reverse Floatation ◽  
Oolitic Hematite Ore

In order to better exploit and utilize the oolitic hematite ore resource in Zhangjiakou region, staged grinding-separation process consisting of high intensity magnetic separation(HIMS) and reverse floatation was adopted in the beneficiation test on the regionally representative oolitic hematite ore of Longyan Iron Mine, Xuan Stee1. The test results indicate that，with Slong pulsating high gradient magnetic separation as HIMS equipment，with NaOH，starch，CaO and TS as flotation reagents，and at a grind of 65％ -200 mesh for the primary grinding and 95％-200 mesh for the secondary grinding，an iron concentrate grading 62.34％ and having an iron recovery of 53.07％ can be achieved after two stage HIMS and one roughing—one cleaning reverse flotation.

The Effect of Ca2+, Mg2+, SO42- and PO43- on Phosphate Ore Flotation

2014 ◽  
Vol 881-883 ◽  
pp. 1670-1673
Author(s):  
Xian Bo Li ◽  
Zhi Hong Liu ◽  
Qin Zhang ◽  
Song Mao ◽  
Long Jiang Li
Keyword(s):  
Great Influence ◽  
Inorganic Ions ◽  
Experimental Results ◽  
Reverse Flotation ◽  
Single Factor ◽  
Flotation Reagents ◽  
Phosphate Ore ◽  
Ore Processing ◽  
Flotation Performance ◽  
Single Factor Experiment

In the process of recycling phosphate ore processing wastewater, the accumulation of inorganic ions and the flotation reagents have a great influence on the flotation performance when they reach to a certain concentration. This paper studied the effect of Ca2+, Mg2+, SO42- and PO43- on the reverse flotation of phosphate ore through the single factor experiment. The experimental results show that Ca2+, Mg2+ and PO43- have less effect on the flotation performance, and that a certain amount of PO43- in the ore pulp can reduce the dosage of acid and improve the flotation result. SO42- has a significant effect on the reverse flotation of phosphate ore and the concentration of SO42- should be controlled under 1 g/L in the backwater utilization.

Flotation after a Direct Contact of Flotation Reagents with Carbonate Particles – Part 2: Phosphate Ore

2014 ◽  
Vol 56 (2) ◽  
pp. 155-159
Author(s):  
Hussin A. M. Ahmed ◽  
Mohamed S. Aljuhani ◽  
Jan Drzymala
Keyword(s):  
Direct Contact ◽  
Flotation Reagents ◽  
Phosphate Ore

Aqueous solubility of Pb at equilibrium with hydroxypyromorphite over a range of phosphate concentrations

2021 ◽  
Author(s):  
Yuting Zhou ◽  
Xinxin Li ◽  
Murray B. McBride
Keyword(s):  
Aqueous Solubility ◽  
Phosphate Mineral ◽  
Low Solubility

Hydroxypyromorphite (HPM) is a low-solubility Pb phosphate mineral that has the potential to limit solubility and bioavailability of Pb in soils and water.

scholarly journals Specific Ion Effects on the Behavior of Mixtures of Sodium Iso-Butyl Xanthate and Sodium Diethyl Dithiophosphate during the Flotation of a Cu-Ni-PGM Ore: Effects of CaCl2 and NaCl

2021 ◽  
Vol 6 (1) ◽  
pp. 22
Author(s):  
Malibongwe S. Manono ◽  
Katlego Matibidi ◽  
Kirsten C. Corin ◽  
Catherine K. Thubakgale ◽  
Iyiola O. Otunniyi ◽  
...  
Keyword(s):  
Froth Flotation ◽  
Monovalent Cation ◽  
Process Water ◽  
Polyvalent Cation ◽  
Flotation Reagents ◽  
Sulfide Flotation ◽  
Froth Stability ◽  
Ion Effects ◽  
The Relationship ◽  
Diethyl Dithiophosphate

Inorganic electrolytes present in the process water used during froth flotation may have both beneficial and detrimental effects. These effects are said to be ion specific, as some ions may result in enhanced froth stability, increased mineral recoveries and decreased concentrate grades, while others may bring the opposite effects. Onsite process water quality variations have intensified the need to understand the relationship between inorganic electrolytes and flotation reagents on flotation performance. The use of mixtures of thiol collectors in sulfide flotation is a common practice across the globe; however, very few investigations have considered these in process waters of varying compositions. This study considers the effect of common cations, Na+ and Ca2+, in process water on the behavior of mixtures of thiol collectors. Single-salt solutions of NaCl and CaCl2 at an ionic strength of 0.0213 mol·dm−3 were used to investigate the behavior of mixtures of two thiol collectors. These were carefully selected to understand how mixtures of thiol collectors behave in the presence of a monovalent cation versus a polyvalent cation. Bench-scale froth flotation tests were conducted using a Cu-Ni-PGM ore from the Merensky Reef. The results have shown that the divalent cation, Ca2+, resulted in higher %Cu and %Ni recoveries at all collector mixtures compared to the monovalent cation, Na+. The concentrate grades were, however, slightly compromised, as slightly more gangue reported to the concentrate in the presence of Ca2+. This behavior is attributed to the effect of polyvalent cations on bubble coalescence and froth stability.

New insights into the mixed anionic/cationic collector adsorption on ilmenite and titanaugite: An in situ ATR-FTIR/2D-COS study

2021 ◽  
Vol 169 ◽  
pp. 106946
Author(s):  
Liping Luo ◽  
Longhua Xu ◽  
Jinping Meng ◽  
Jiahui Lu ◽  
Houqin Wu
Keyword(s):  
Cationic Collector

Fabrication and mechanism of cement-based waterproof material using silicate tailings from reverse flotation

2017 ◽  
Vol 315 ◽  
pp. 422-429 ◽  
Author(s):  
Wei Wang ◽  
Yunliang Zhao ◽  
Hui Liu ◽  
Shaoxian Song
Keyword(s):  
Reverse Flotation
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