Taner, Hasan Ali
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Taner, H.A.,
Taner, Hasan A.
Taner, H. Ali
Taner, H. A.
Taner, Hasan A.
Taner, H. Ali
Taner, H. A.
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hataner@ktun.edu.tr
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02.12. Department of Mining Engineering
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Documents
12
Citations
74
h-index
5
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Scholarly Output
11
Articles
8
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8/0
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0
Supervised PhD Theses
1
WoS Citation Count
28
Scopus Citation Count
13
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3
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2
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0
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0
WoS Citations per Publication
2.55
Scopus Citations per Publication
1.18
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5
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1
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| Journal | Count |
|---|---|
| ACTA CHEMICA IASI | 1 |
| Clay Minerals | 1 |
| Drying Technology | 1 |
| International Journal of Chemical Engineering | 1 |
| International Journal of Geological and Environmental Engineering | 1 |
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11 results
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Now showing 1 - 10 of 11
Article Citation - WoS: 12Mechanism of Mechanical Entrainment in Chalcopyrite Flotation: Effects of Clay Minerals(Springer Heidelberg, 2023) Taner, Hasan Ali; Önen, VildanOne of the problems in flotation is mechanical entrainment and the other is the presence of complex gangues (especially clay minerals). In the present study, it was aimed to determine the effects of clay types (kaolinite, illite, and montmorillonite) on mechanical entrainment parameters (total flotation recovery, real recovery, mechanical entrainment recovery, and water recovery). Effects of clay types and clay amount on chalcopyrite flotation were investigated by flotation experiments. Interaction mechanisms between the clay minerals and ore were characterized using SEM-EDS analyses. Experiments were carried out with and without a collector using the mixture of clay minerals and ore under certain experimental conditions. While the clay mineral most affecting the chalcopyrite grade was montmorillonite, the highest mechanical entrainment recovery and the lowest real recovery values were obtained in the presence of illite. While illite is stated as the least problematic clay mineral in the literature, it was determined that illite among three clay minerals used in this study caused significant mechanical entrainment. In contrast, it was determined that increasing the amount of kaolinite did not have a significant effect on mechanical entrainment. This study's findings will guide in determining of clay minerals' effect on gangue entrainment in flotation.Article Kil Minerallerinin Kömürün Flotasyon Performansına ve Ortalama Kabarcık Boyutuna Etkisi(2023) Önen, Vildan; Çağlar, Ayşe Zeynep; Taner, Hasan AliFlotasyon, ince boyutlu kömürlerin zenginleştirilmesinde kullanılan en etkili yöntemlerdendir. Bununla birlikte, kömürün yan kayaç olarak kil minerallerini bulundurması flotasyon işlemini olumsuz etkilemektedir. Bu çalışmada kil minerallerinin (kaolin ve montmorillonit) ve flotasyon reaktiflerinin Tunçbilek linyit kömürünün flotasyon performansına ve ortalama kabarcık boyutuna etkisi araştırılmıştır. Deneysel çalışmalarda; bastırıcı olarak sodyum silikat, toplayıcı olarak gaz yağı kullanılırken, köpürtücü olarak ise metil izobütil karbinol (MIBC) ve Dowfroth 250 kullanılmıştır. Kil türü ve miktarı, bastırıcı miktarı ve köpürtücü türü ve miktarı çalışılan deneysel parametrelerdir. Bastırıcı miktarı ve kil içeriğinin etkisinin belirlendiği deneysel çalışmalarda, kaolin içerikli numunelerde %40-55, montmorillonit içerikli numunelerde ise %30-47 aralığında yanabilir verim değerleri elde edilmiştir. Köpürtücü olarak Dowfroth 250 ile daha iyi sonuçlar elde edilmiş ve montmorillonit içeren kömür numunesi, kaolin içeren kömür numunesine göre daha büyük kabarcıklar oluşmasına neden olmuştur. Bu çalışmadan elde edilen sonuçlar yan kayaç olarak kil bulunduran kömürlerin flotasyon davranışlarının anlaşılabilmesi ve çözüm önerileri sunulabilmesi için temel bir altyapı oluşturacaktır.Article Citation - WoS: 4Citation - Scopus: 5Investigation of Chromite Ore Beneficiation Possibilities With Different Gravity Concentrators(Univ Zagreb, Fac Mining, Geology & Petroleum Engineering, 2023) Aras, Ali; Taner, Hasan AliThe rapid development of industry increases the demand and importance of chromium. In this study, beneficiation pos-sibilities of the representative chromite ore taken from the Tokat Province with a laboratory type jig, spiral concentrator, shaking table and multi gravity separator (MGS) were investigated. Appropriate particle size fractions were fed into each beneficiation device. Experimental studies were shown as a flow chart. The shaking table gave the best results for chro-mite beneficiation and a concentrate of 47.02% Cr2O3 grade and 94.29% recovery were obtained by using a-0.3+0.106 mm particle size fraction. It was observed that concentrates with saleable grade could be obtained as a result of the benefi-ciation of chromite ore with a spiral concentrator. The tailings obtained from the jig, spiral concentrator and shaking table were blended and scavenger experiments were carried out with an MGS to recover the remaining chromite in the tailings. 93.55% of the chromite in this blended sample was recovered with a grade of 34.96% Cr2O3. Hence, MGS seems to be the promising equipment for the beneficiation of tailings.Article Solvent Extraction of Copper from Sulfate Leach Liquor of Chalcopyrite Concentrate: Mitigation Strategies for Iron Coextraction(Wiley, 2025) Abdelraheem, Mohamed Taha Osman; Agacayak, Tevfik; Aras, Ali; Taner, Hasan Ali; Duzyol, SelmaIn this study, solvent extraction of copper (Cu) from sulfate leach liquor of chalcopyrite concentrate was investigated using LIX 984N as the extractant and kerosene as the diluent. The effects of pH (1-4.5), organic-to-aqueous phase ratio (O/A, 1/3-3/1), extractant concentration (3%-9% v/v), diluent type (kerosene, benzene, and hexane), and temperature (25 degrees C-55 degrees C) on the extraction efficiency were systematically evaluated. Stripping experiments were also carried out using sulfuric acid at different concentrations (0.75-3 M) and agitation rates (200-600 rpm). The results revealed that up to 98.1% of copper could be extracted at pH 4.5, O/A = 1, 6% (v/v) LIX 984N, and 25 degrees C when hexane was used as the diluent. However, a significant amount of iron (20%-28%) was also coextracted into the organic phase under similar conditions, which poses challenges for downstream electrowinning. Complete stripping of copper and iron was achieved at 1.5 M H2SO4 with the agitation of 500 rpm. These findings highlight the need for a preliminary iron removal step prior to solvent extraction to ensure selective copper recovery.Article The Effect of Fly Ash in Dewatering of Marble Processing Wastewaters(2019) Taner Hasan Ali; Önen VildanArticle Citation - WoS: 3Citation - Scopus: 2Environmentally Friendly Alternative Depressants in Chalcopyrite Flotation(Taylor & Francis Inc, 2024) Taner, Hasan Ali; Önen, VildanEfficient and eco-friendly technologies are required to reduce the environmental effects of the beneficiation plants. Recently, there has been an interest in environmentally friendly alternative depressants. This study explored the effects of various depressants (AERO633, AERO7260, DP3124, DP3125, carboxymethyl cellulose (CMC), Cyquest4000, and sodium silicate) on chalcopyrite flotation. The experimental results indicated that AERO7260 has the best effect on chalcopyrite flotation, and the dosage is 50 g/t, it can improve the chalcopyrite recovery up to 93.35% as well as chalcopyrite grade up to 36.97%. Meanwhile, AERO7260 had an obvious depression effect on pyrite, reducing pyrite grade to 61.10% and pyrite recovery to 3.35%. Given its low reagent dosage and high selectivity, AERO7260 is a promising depressant that can be used for chalcopyrite flotation. The use of organic depressants will significantly aid the transition to ecologically friendly and sustainable processes. This study shows that organic depressants in chalcopyrite flotation can replace the existing inorganic depressants used in the depression of gangue minerals and that metals can be recovered at high performance by processing appropriately.Article Dewatering of Chromite Ore Plant Tailings Using Carboxymethyl Cellulose and Chitosan as Flocculants(Taylor & Francis inc, 2025) Taner, Hasan AliFine particle size mine tailings are turned into large particles by flocculation as a method of separating solids from liquids. Without solid-liquid separation, water required for plant operations cannot be recovered, which would necessitate the construction of a larger tailings dam. In this study, flocculation experiments were performed using carboxymethyl cellulose (CMC) and chitosan to find the optimum sedimentation conditions of tailings. Therefore, flocculation was optimized by applying response surface methodology (RSM). A 34 full factorial central composite design (CCD) was selected to describe the effect and interaction of four variables: flocculant dosage, stirring speed, pulp density, and pH. The performance of the flocculants was evaluated by measuring the turbidity of the suspension, water recovery, and sludge compactness. The optimum turbidity values obtained with CMC and chitosan were 6.80 nephelometric turbidity units (NTU) and 8.20 NTU, respectively. CMC and chitosan both contributed significantly to the flocculation of tailing, and flocculation was highly dependent on the pH and pulp density. The positively charged particles in the sample flocculated because of electrostatic interactions when CMC was added, whereas flocculation occurred via a bridging mechanism with chitosan. The important results highlighted that both CMC and chitosan rapidly flocculated the tailings and significantly reduced the turbidity.Article Citation - WoS: 2Citation - Scopus: 2Evaluation of the Effect of the Main Parameters on Chalcopyrite Flotation in the Presence of Kaolinite and Montmorillonite(Journal Of Central South Univ, 2023) Taner, Hasan Ali; Onen, VildanClay minerals are known to negatively affect sulfur flotation. In the present study, the effect of clay minerals (kaolinite-montmorillonite) on chalcopyrite flotation was investigated and it was aimed to propose solutions to eliminate the negative effects. In the experimental studies, ?-potential measurements and flotation experiments were carried out. The central composite design method was used in the flotation experiments and the independent variables were selected as frother concentration, dispersant concentration, froth height, air flow rate and amount of clay. In the evaluation of the test results, 5 important variables were determined as dependent variables. While the chalcopyrite grade decreased as the amount of clay increased, and chalcopyrite recovery, pyrite recovery and dynamic froth stability increased. The negative interaction order was determined as montmorillonite>kaolinite in terms of chalcopyrite flotation. Larger bubble diameter was obtained with montmorillonite. The flotation conditions that can be applied for the clay type (kaolinite and montmorillonite) found in the ore are mathematically modeled. Thus, the changes of the conditions in the model depending on the clay ratio that changes over time in the ore and the predictability of the grade-recovery values that can be obtained as a result of flotation will be ensured.Doctoral Thesis Kil Minerallerinin Yapısal Özelliklerinin Metal Sülfürlerin Flotasyon Performansına Etkisi(Konya Teknik Üniversitesi, 2019) Taner, Hasan Ali; Önen, VildanBu çalışmada, kil minerallerinin kalkopirit flotasyonundaki etkilerinin ortaya konulması ve flotasyonda başarılı sonuçlar elde etmek için çözüm önerileri sunulması amaçlanmıştır. Deneysel çalışmalar; zeta potansiyeli ve temas açısı ölçümleri, flotasyon deneyleri, kil minerallerinin flotasyon tenör/verim/köpük kararlığına, flotasyon kinetiğine ve mekanik taşımaya etkisinin belirlendiği deneyler ile tesis numunesi için farklı bastırıcı/dağıtıcıların kullanıldığı deneyleri kapsamaktadır. Kil minerallerinin etkisinin araştırıldığı deneysel çalışmalarda istatistiksel deney tasarım yöntemlerinden merkezi kompozit tasarımı kullanılmıştır. Deneylerde bağımsız değişkenler; köpürtücü miktarı, dağıtıcı miktarı, köpük derinliği, hava akış hızı ve kil miktarı seçilmiştir. Sonuçların değerlendirilmesinde bağımlı değişkenler; kalkopirit tenörü ve verimi, pirit tenörü ve verimi, dinamik köpük kararlılığı ve ortalama kabarcık çapı olarak belirlenmiştir. Kilin etki mekanizmasını belirlemek için SEM, SEM-EDS, TOC ve FTIR analizleri yapılmıştır. Kil miktarı arttıkça kalkopirit tenörü düşmüş; verim, köpük kararlılığı ve kabarcık boyutu artmıştır. Verim ve tenör açısından olumsuz etki önem sırası montmorillonit>kaolin>illit, dinamik köpük kararlılığı açısından kaolin>montmorillonit>illit şeklinde belirlenmiştir. En büyük kabarcık çapı montmorillonit ile elde edilmiştir. Etkin mekanizma mekanik taşıma olarak belirlenmiştir. Uygun bir flotasyon için kil tipi (kaolin, illit ve montmorillonit) ve oranına bağlı olarak uygulanabilecek flotasyon şartları matematiksel olarak modellenmiştir. Böylece tesis içerisinde zamanla değişen kil oranına bağlı olarak modelde yer alan çalışma parametrelerinde yapılabilecek değişiklikler ile flotasyon sonucunda ulaşılabilecek verim-tenör değerlerinin öngörüsü sağlanabilecektir.Article Citation - WoS: 3Application of the Shrinking-Core Models for Determination of Dissolution Kinetics of Mn and Zn From Spent Zinc-Carbon Battery Powder in Organic Acid Solution(SCIENDO, 2019) Ağaçayak, Tevfik; Taner, Hasan AliIn this study, dissolution kinetics of manganese and zinc from spent zinc-carbon batteries in acetic acid solution was investigated. To determine the kinetics of dissolution of manganese and zinc, shrinking core model was applied to dissolution recoveries obtained at different temperatures. As a result of kinetic studies, it was determined that manganese and zinc were dissolved in acetic acid solution by diffusion from product layer and then activation energies (Ea) were calculated.
