Engineering of Complex Structure Apatite Deposits and Excavating-Sorting Equipment for Its Implementation

Cheban, A.Yu.

doi:10.31897/pmi.2019.4.399

Cited by 7 publications

(7 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…With the global demand for apatite, which is a non-renewable mineral resource, phosphate ores are being depleted and their composition is changing. In addition, an increase in the alkalinity of recycled water causes a change in the composition of sorption mixtures used as reagents in the floatation enrichment method. − …”

Section: Introductionmentioning

confidence: 99%

Interaction Features of Sodium Oleate and Oxyethylated Phosphoric Acid Esters with the Apatite Surface

et al. 2022

View full text Add to dashboard Cite

Apatite ores are the most important phosphate materials used for the agricultural and livestock chemical production. With the global demand for phosphorous compounds, apatite and other phosphorus-bearing ores are being depleted. The main method of apatite ore enrichment at the moment is the flotation process, the efficiency of which depends on complex heterogeneous processes occurring at the boundary of three phases (“liquid–gas”, “solid–liquid”, and “solid–gas”). Significant influence on the process have the flotation modes and composition of the reagent mixture, which provide a synergistic effect. The purpose of this work was to investigate the reasons for the synergism of surfactants used in apatite ore flotation with fatty acid-based collectors. The object of the study is a monomineral fraction of apatite, separated from the apatite-nepheline ore of Khibiny deposits. In the course of the work, it was found that the mixture of sodium oleate and phospholane PE65 has a synergistic effect on the mineral surface of apatite during foam flotation. The ratio of reagents was determined at which the maximum synergistic effect was observed.

show abstract

Section: Introductionmentioning

confidence: 99%

Interaction Features of Sodium Oleate and Oxyethylated Phosphoric Acid Esters with the Apatite Surface

et al. 2022

View full text Add to dashboard Cite

show abstract

“…Большая часть мировых фосфатных руд используется в производстве удобрений и фосфорной кислоты [20]. Пенная флотация является наиболее распространенным методом обогащения фосфатных руд [1,4,15]. В промышленности для обогащения апатитовых минералов методом пенной флотации реализуются два основных процесса: прямая флотация и обратная флотация.Прямая флотация используется для обогащения фосфатных руд магматического происхождения с низким содержанием P2O5 и богатых силикатными минералами до товарного продукта (P2O5 > 30 %) [16, 18].…”

unclassified

Increasing the efficiency of phosphate ore processing using flotation method

Aleksandrova

Elbendari

2021

PMI

View full text Add to dashboard Cite

The paper presents flotation of two phosphate ore samples of different origin. Statistical analysis was used to study the effect of operating parameters on flotation efficiency. The paper proposes to increase the efficiency of flotation processing of magmatic phosphate ore with a low grade of the valuable component (P2O5 = 10.88 %), containing nepheline and feldspars, by means of direct anionic flotation. Authors present an optimization of anionic flotation using tall oil fatty acids mixed with anionic phospholane as an anionic collector. The effect of adding soda ash to compensate for the influence of calcium cations on technological parameters of P2O5 flotation was examined. The results of studying the flotation of nepheline ore (flotation tailings of magmatic phosphate ore) showed that replacement of phospholane with oxyethylated isotridecanol allowed to obtain a high-quality concentrate. It was estimated that with the addition of Na2CO3 in the amount of 2,000 g/t, a concentrate was obtained with the grade and recovery of phosphorus pentoxide equal to 39.15 and 94.19 %, respectively. The paper proposes to increase the efficiency of flotation processing of sedimentary phosphate ore with a low grade of the valuable component (P2O5 = 22.5 %), containing gypsum and quartz, by means of desliming followed by anionic or cationic reverse flotation. Tall oil fatty acid with anionic phospholane was used as a collector in anionic reverse flotation, and amine was used in cationic reverse flotation. Sodium tripolyphosphate was used as a P2O5 depressant. It was found to be an effective depressant in both anionic and cationic flotation. When analyzing the statistical plan, it was estimated that the maximum grade of the valuable component in the concentrate (P2O5 = 31.23 %) and the recovery to concentrate of 95.22 % were obtained in the chamber product at amine consumption of 950.88 g/t and sodium tripolyphosphate consumption of 500 g/t.

show abstract

“…Other important benefits of mine-to-mill implementation are connected with the production process itself [36]. Some studies also note the possibility of energy benefits achieved from mine-to-mill implementation [37,38]. Using it, we can improve the blasting fragmentation and also improve downstream processing performance.…”

mentioning

confidence: 99%

“…Strengths/benefits and weaknesses/problems of mine-to-mill concept implementation. Sources:[4,5,[35][36][37][38][39][40][41].…”

mentioning

confidence: 99%

Assessing of Losses and Dilution Impact on the Cost Chain: Case Study of Gold Ore Deposits

2021

View full text Add to dashboard Cite

The conditions of declining gold grade in the ore, increasing depth of excavation, and de-creasing unallocated stock of deposits make it necessary to develop efficient solutions for the mine-to-mill process, which have to be adapted to each specific mining plant and will optimizes production costs. Current research focuses on a case study that demonstrates how indicators of mining losses and dilution influence the variation of costs chain in the production cycle. The article examines the topical issue of determining the effects at the mine-to-mill stages due to changes in losses and dilution. The author’s approach to the formation of a mine-to-mill cost chain is proposed by integrating several cost estimation methods into the general cost estimation methodology. The estimation methodology is a compilation of factor analysis and cost engineering methods that take into account the change in costs due to the variation of losses and dilution. It was proven that with variations in losses and dilution, cost savings arise due to changes in the volume of work on ore averaging, ore transportation, and beneficiation. For the case of the Kuranakh ore field, there are no effects at the mining stage. The use of internal reserves by means of managing ore quality parameters allows reducing the costs per ton of processed rock mass along the entire production chain.

show abstract

Engineering of Complex Structure Apatite Deposits and Excavating-Sorting Equipment for Its Implementation

Cited by 7 publications

References 0 publications

Interaction Features of Sodium Oleate and Oxyethylated Phosphoric Acid Esters with the Apatite Surface

Interaction Features of Sodium Oleate and Oxyethylated Phosphoric Acid Esters with the Apatite Surface

Increasing the efficiency of phosphate ore processing using flotation method

Assessing of Losses and Dilution Impact on the Cost Chain: Case Study of Gold Ore Deposits

Contact Info

Product

Resources

About