scholarly journals Implementation of reverse flotation method to reduce reactive and non-reactive silica in bauxite ore from West Kalimantan

2017 ◽  
Author(s):  
Winny Wulandari ◽  
Mubiar Purwasasmita ◽  
Edy Sanwani ◽  
Adinda Asri Pixelina ◽  
Agus Maulidan
Keyword(s):  
Reverse Flotation ◽  
West Kalimantan ◽  
Bauxite Ore ◽  
Flotation Method ◽  
Reactive Silica

scholarly journals Penanganan Kolam Sedimentasi Hasil Pencucian Bauksit Di PT. ANTAM Tbk. Tayan

2019 ◽  
Vol 2 (2) ◽  
pp. 87
Author(s):  
Muhammad Ridho ◽  
Peter Eka Rosadi
Keyword(s):  
Open Channel ◽  
Open Pit ◽  
West Kalimantan ◽  
Washing Process ◽  
Bauxite Ore ◽  
Factor Data ◽  
Production Target ◽  
Total Discharge

Bauxite ore mining PT.Antam Tbk. located in Tayan Hilir Subdistrict, Sanggau Regency, West Kalimantan Province is an open pit backfilling system. Besides the bauxite ore extraction, the washing process resulted slurry which is entering the open channel towards the sedimentation pond. This study aims to determine the total discharge of slurry that will enter the sedimentation pond and assess the capacity of existing sedimentation ponds. The results showed that based on the production target of 700,000 tons of Bauxite Washed/year with 60% concretion factor data, the total discharge of water entering the sedimentation pond was 3.54 m3/sec. The slurry from the open channel will go into the sedimentation pond so that the deposition found in Segment I, IV, V, and VI was 409.06 m3/day, 254.59 m3/day, 561.35 m3/day, and 273.90 m3/day respectivelly. Intensive dredging material will be carried out using two Hitachi Zaxis 210 LC Long-Arm Excavator units. The cleaning time needed by Segment I, IV, V, and VI are 10 days, 6 days,  9 days and 5 days, so that the dredging time of Segment I, IV, V, and VI are 82 days, 65 days, 53 days and 62 days respectivelly

Separate the Anshan-Type Low-Grade Hematite Ore With Process of Low-High Intensity Magnetic Separation and Reverse Flotation Method

2013 ◽  
Vol 690-693 ◽  
pp. 3517-3520
Author(s):  
Qing Mei Jia ◽  
Feng Jiu Li ◽  
Ying Li
Keyword(s):  
Magnetic Separation ◽  
High Intensity ◽  
Low Grade ◽  
Reverse Flotation ◽  
Flotation Method ◽  
Hematite Ore ◽  
Nature Ofthe ◽  
Ore Grade

According to the nature ofthe ore which containing hematite and magnetite,under the conditions,forexample,ore grade is 24.07%,the fitst fineness of grinding -200 mesh is 50%，thesecond fineness of grinding -200 mesh ismore than 93%, it is concluded that concentrating circuit consisting of firstgrind-Feebleness magnetic separation -high intensity magnetic separation，secondgrind-second-high intensity magnetic separation- reverse flotation .Ultimately, A concentrate with aproductivity of 18.90%，a grade of 65.21% TFe and the recovery of 51.29% was yielded.

scholarly journals Increasing the efficiency of phosphate ore processing using flotation method

2021 ◽  
Vol 248 ◽  
pp. 260-271
Author(s):  
Tatyana Aleksandrova ◽  
Abdalla Elbendari
Keyword(s):  
Sodium Tripolyphosphate ◽  
Low Grade ◽  
Reverse Flotation ◽  
Technological Parameters ◽  
Tall Oil ◽  
Valuable Component ◽  
Phosphate Ore ◽  
Ore Processing ◽  
Flotation Method ◽  
Tall Oil Fatty Acids

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.

The Designation of the Collector in Aluminosilicate Minerals Flotation and the Study of its Mechanism

2014 ◽  
Vol 997 ◽  
pp. 655-659
Author(s):  
Xue Feng Cao ◽  
Jian An Lu ◽  
Run Qing Liu
Keyword(s):  
Infrared Spectrometry ◽  
Chemical Calculation ◽  
Reverse Flotation ◽  
Ζ Potential ◽  
Function Mechanism ◽  
Crystal Model ◽  
Bauxite Ore ◽  
Potential Test ◽  
Flotation Solution

The main gangue minerals in bauxite ore are kaolinite, illite and pyrophyllite. The bauxite reverse flotation aims to float them out. In this essay, a certain type of bauxite is taken into account to design and synthesize the N-Alkyl-1,3-diaminopropane from the perspectives of solid-philic group and nonpolar group by applying the kaolinite crystal model in Curis2 software. It also studies the function mechanism of this newly developed reagent in flotation by applying flotation solution chemical calculation, ζ-potential test and infrared spectrometry test.

scholarly journals THE EFFECT OF REVERSE FLOTATION METHOD ON SILICA SAND AS WATERPROOFING MORTAR

2021 ◽  
Vol 22 (1) ◽  
pp. 8
Author(s):  
Okky Putri Prastuti ◽  
Ayu Tri Septianingrum ◽  
Elisya Dianty Fatmala ◽  
Ufafa Anggarini ◽  
Tri Eddy Susanto ◽  
...  
Keyword(s):  
Contact Angle ◽  
Tensile Strength ◽  
Compressive Strength ◽  
Oleic Acid ◽  
Silica Sand ◽  
Reverse Flotation ◽  
Water Effect ◽  
Optimum Ratio ◽  
Compressive Strength Test ◽  
Flotation Method

THE EFFECT OF REVERSE FLOTATION METHOD ON SILICA SAND AS WATERPROOFING MORTAR. Waterproof fabrication mortar cement by silica sand using reverse flotation silica (RFS) method was evaluated by waterproof absorption coefficient, compressive strength test, attractive test, and contact angle. RFS is used to replace waterproof agent and aggregate mortar to reduce cost. The aims of this experiment are to know the RFS process, the ratio between waterproof mortar cement with RFS and mortar, to determine performance and characteristic waterproof mortar cement. Methods used are prepared RFS, mortar cement fabrication, and testing (compressive strength, tensile strength, permeability, contact angle, XRF, FTIR, SEM, BET). Variable used are ratio cement/silica sand, concentrations of CaCl2, curing time, oleic acid, and sodium oleate addition. Optimum collector addition is obtained by oleic acid with compress strength 167.65 kg/cm2, tensile strength 0.16 MPa, permeability 4.6 cm, and contact angle 95°. Curing inside water effect and outside temperature give compress strength 167.65 kg/cm2 and 163.24 kg/cm2, permeability curing inside the water and outside temperature are 4.6 cm and 12 cm. Optimum CaCl2 addition is gained at CaCl2 1.8M with compress strength 64.29 kg/cm2, tensile strength 0.15 MPa, permeability 2.4 cm, contact angle 95°. Optimum ratio cement/RFS is 1:1 with compress strength 167.65 kg/cm2, tensile strength 0.16 MPa, permeability 4.6 cm, and contact angle 950.

scholarly journals Significance of particle aggregation in the reverse flotation of kaolinite from bauxite ore

2015 ◽  
Vol 78 ◽  
pp. 58-65 ◽  
Author(s):  
Jing Liu ◽  
Xuming Wang ◽  
Chen-Luh Lin ◽  
Jan D. Miller
Keyword(s):  
Particle Aggregation ◽  
Reverse Flotation ◽  
Bauxite Ore

scholarly journals Reverse Flotation Separation of Fluorite from Calcite: A Novel Reagent Scheme

Minerals ◽  
2018 ◽  
Vol 8 (8) ◽  
pp. 313 ◽  
Author(s):  
Jianjun Wang ◽  
Zihan Zhou ◽  
Yuesheng Gao ◽  
Wei Sun ◽  
Yuehua Hu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Zeta Potential ◽  
Low Cost ◽  
Froth Flotation ◽  
Selective Separation ◽  
Reverse Flotation ◽  
Diphosphonic Acid ◽  
Flotation Method ◽  
The Common ◽  
First Time

Fluorite (CaF2), as an important strategic mineral source, is usually separated from calcite by the common froth flotation method, but this separation is still not selective enough. The development of a selective collector and/or depressant is the key to achieving high selective separation. 1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP or H4L) is widely used as an environmentally friendly water treatment reagent due to its low cost and excellent anti-scaling performance in an aqueous solution. In this study, a novel reagent scheme was developed using HEDP as a fluorite depressant and sodium oleate (NaOL) as a calcite collector for the first time. When 3 × 10−5 mol/L of HEDP and 6 × 10−5 mol/L of NaOL were used at pH 6, the optimal selective separation for single minerals and mixed binary minerals was obtained. Zeta potential measurements indicated that HEDP possessed a stronger adsorption on fluorite than calcite, while NaOL did the opposite. This novel reagent scheme is of low cost, uses a small dosage, and is friendly to the environment, which makes it a promising reagent scheme for fluorite flotation in industrial application.

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