Browsing by Author "Kursunoglu, Sait"
Now showing items 1-20 of 28
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Characterization of Nickel in Chromite Beneficiation Tailings by Mineral Liberation Analysis and Its Recovery by H2SO4 Leaching Followed by Oxalic Acid Precipitation
Altiner, Mahmut; Ibrahim, Ahmedaljaali Ibrahim Idrees; Kursunoglu, Sait; Top, Soner; Bayat, Oktay (SPRINGER, 2024)This study investigated the recovery of nickel from tailings (0.2% Ni) obtained in a chromite beneficiation plant using H2SO4 leaching followed by oxalic acid precipitation. The tailings were characterized using mineral ... -
Critical review on secondary zinc resources and their recycling technologies
Kaya, Muammer; Hussaini, Shokrullah; Kursunoglu, Sait (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2020)In a race to save the earth of its rapidly depleting natural resources, the use of Secondary Raw Materials (SMRs) as alternative replacements in several processes is currently intensively pursued. The valorization of SMRs ... -
Dissolution of lateritic nickel ore using ascorbic acid as synergistic reagent in sulphuric acid solution
Kursunoglu, Sait; Ichlas, Zela Tanlega; Kaya, Muammer (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2018)The dissolution of nickel and cobalt from Caldag lateritic nickel ore using the combination of sulphuric and ascorbic acids was investigated. The use of other organic acids, namely citric, maleic and stearic acids, as ... -
DISSOLUTION OF MIXED ZINC-CARBON AND ALKALINE BATTERY POWDERS IN SULPHURIC ACID USING ASCORBIC/OXALIC ACID AS A REDUCTANT
Kaya, Muammer; Kursunoglu, Sait (JOHN WILEY & SONS, 2012)The aim of this study was to investigate the effectiveness of ascorbic (C6H8O6) / oxalic (C2H2O4) acid as a reductant for the simultaneous recovery of zinc and manganese from a spent and mixed zinc-carbon and alkaline ... -
Effects of leaching parameters on the dissolution of nickel, cobalt, manganese and iron from Caldag lateritic nickel ore in hydrochloric acid solution
Top, Soner; Kursunoglu, Sait; Ichlas, Zela Tanlega (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2020)The effects of leaching parameters on the metal dissolutions from Caldag laterite ore using hydrochloric acid at atmospheric pressure were investigated. The following leaching parameters were examined to understand their ... -
EXTRACTION OF NICKEL FROM A MIXED NICKEL-COBALT HYDROXIDE PRECIPITATE
Kursunoglu, Sait (TMMOB Maden Mühendisleri Odası, 2019)The extraction of nickel from a mixed nickel-cobalt hydroxide precipitate (MHP) was conceivedand experimentally explored. The effect of sulphuric acid concentration, leaching time, leachingtemperature and stirring speed ... -
HYDROMETALLURGICAL PROCESSING OF NICKEL LATERITES- A BRIEF OVERVIEW ON THE USE OF SOLVENT EXTRACTION AND NICKEL/COBALT PROJECT FOR THE SEPARATION AND PURIFICATION OF NICKEL AND COBALT
Kursunoglu, Sait; Kaya, Muammer (TMMOB Maden Mühendisleri Odası/The Publication of the Chamber of Mining Engineer of Turkey, 2019)In this study, a brief overview of the solvent extraction (SX) application for the separationand purification of nickel and cobalt in hydrometallurgical processing of laterite nickel ores ispresented. This paper consists ... -
Laterit Liç Çözeltisinden Sinerjik Solvent Ekstraksiyon (SSX) Yöntemi Kullanılarak Nikel ve Kobalt Kazanımı
Kursunoglu, Sait; Kaya, Muammer (TUBİTAK, 2019)Bu çalışmada, nikel sülfat (NiSO4.6H2O), kobalt sülfat (CoSO4.7H2O), manganez sülfat (MnSO4.H2O), magnezyum sülfat (MgSO4.7H2O) ve kalsiyum klorür (CaCl2.2H2O) tuzları deiyonize su ile çözündürülerek sentetik bir liç ... -
Leaching method selection for Caldag lateritic nickel ore by the analytic hierarchy process (AHP)
Kursunoglu, Sait; Ichlas, Zela Tanlega; Kaya, Muammer (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2017)Leaching is an important process in hydrometallurgical operations. This process is used to extract metals from the ores by dissolving them in a lixiviant. It is desired that the leaching method is able to provide high ... -
Leaching of yahyali non-sulphide PB-ZN flotation tailing using organic acids
Hussaini S.; Kursunoglu, Sait; Kaya, Muammer (Baski, 2019)The laboratory scale leaching of Kayseri-Yahyali non-sulphide lead (Pb)-zinc (Zn) flotation tailing using two organic acids was experimentally investigated. The effect of citric and oxalic acid on the dissolution of Zn, ... -
Pb-Zn recovery from a malic leach solution of a carbonate type ore flotation tailing by precipitation and solvent extraction
Hussaini, Shokrullah; Tita, Angela Manka; Kursunoglu, Sait; Top, Soner; Ichlas, Zela Tanlega; Kar, Umut; Kaya, Muammer (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021)The recovery of zinc and lead from a malic leach solution of a carbonate type ore flotation tailing by precipitation with sulfuric acid followed by solvent extraction using di(2-ethylhexyl)phosphoric acid (D2EHPA) as ... -
Production of high-grade antimony oxide from smelter slag via leaching and hydrolysis process
Ibrahim Idrees Ibrahim, Ahmedaljaali; Aboelgamel, Muhammed; Kaan Soylu, Kartal; Top, Soner; Kursunoglu, Sait; Altiner, Mahmut (ELSEVIER, 2024)This study aimed to investigate the recovery of antimony (Sb) from slag generated in an antimony smelting plant using leaching followed by hydrolysis processes. The leaching behaviors of rare earth elements (REEs) were ... -
Production of high-grade antimony oxide from smelter slag via leaching and hydrolysis process
Ibrahim, Ahmedaljaali Ibrahim Idrees; Aboelgamel, Muhammed; Soylu, Kartal Kaan; Top, Soner; Kursunoglu, Sait; Altiner, Mahmut (ELSEVIER, 2025)This study aimed to investigate the recovery of antimony (Sb) from slag generated in an antimony smelting plant using leaching followed by hydrolysis processes. The leaching behaviors of rare earth elements (REEs) were ... -
Production of mixed rare earth oxide powder from a thorium containing complex Bastnasite ore
Kursunoglu, Sait; Hussaini, Shokrullah; Top, Soner; Ichlas, Zela Tanlega; Gokcen, Hasan Serkan; Ozsarac, Safak; Kaya, Muammer (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021)The production of mixed rare earth oxide powder from a thorium containing bastnasite ore by sulfuric acid bake water leaching followed by precipitation with oxalic acid and thermal decomposition of the oxalates was ... -
Production of Mn3O4 nanoparticles from a manganiferous iron ore via reductive leaching, precipitation, and calcination
Altiner, Mahmut; Bouchekrit, Chafia; Top, Soner; Kursunoglu, Sait (ELSEVIER, 2022)The synthesis of Mn3O4 nanoparticles from a manganiferous iron ore through reductive leaching, precipitation, and calcination was investigated. The reductive leaching results showed that Mn (99.9%) was almost completely ... -
Recovery of Lead and Zinc from a Citric Leach Solution of a Non-sulfide Type Ore Flotation Tailing via Precipitation Followed by Solvent Extraction
Hussaini, Shokrullah; Tita, Angela Manka; Kursunoglu, Sait; Top, Soner; Kaya, Muammer (SPRINGER, 2023)The recovery of zinc (Zn) and lead (Pb) from a citric leach solution of a non-sulfide type ore flotation tailing was examined utilizing sulfuric acid precipitation followed by solvent extraction using di(2-ethylhexyl) ... -
Recovery of Lithium from Spent Coin-Type Lithium Manganese Dioxide CR Cells by Acidic Leaching in the Presence of Potassium Permanganate as Oxidant
Kursunoglu, Sait; Top, Soner; Altiner, Mahmut; Ozsarac, Safak; Kaya, Muammer (SPRINGER LINK, 2023)The selective leaching of lithium from spent coin-type lithium manganese dioxide CR cells by oxidative leaching and precipitation of Li2CO3 from Libearing leach solution has been experimentally and theoretically investigated. ... -
Recovery of Manganese from Spent Batteries Using Activated Carbon Powder as Reductant in Sulfuric Acid Solution
Kursunoglu, Sait; Kaya, Muammer (ASIAN JOURNAL OF CHEMISTRY, 11/100 RAJENDRA NAGAR, SECTOR 3,, SAHIBABAD 201 005, GHAZIABAD, INDIA, 2013)Recovery of manganese from spent batteries was investigated using activated carbon powder as a reducing agent in sulfuric acid solution. The effects of four different leaching parameters (sulfuric acid concentration, amount ... -
Recovery of Vanadium and Nickel from a High CaCO3 Containing Petroleum Coke Ash by Roasting and Acidic Leaching
Yurtseven, Ozgun; Ibrahim, Ahmedaljaali Ibrahim Idrees; Top, Soner; Kursunoglu, Sait; Altiner, Mahmut (SPRINGER, 2023)In this study, it was aimed to extract vanadium (V) and nickel (Ni) from a petroleum coke ash (PCA) using a roasting process without additives, followed by leaching with sulfuric acid (H2SO4). The experiments were designed ... -
Recovery of zinc and lead from Yahyali non-sulphide flotation tailing by sequential acidic and sodium hydroxide leaching in the presence of potassium sodium tartrate
Kursunoglu, Sait; Top, Soner; Kaya, Muammer (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2020)The recovery of zinc and lead from Yahyali non-sulphide flotation tailing using sulfuric acid followed by sodium hydroxide leaching in the presence of potassium sodium tartrate was experimentally investigated. In the acidic ...
