• Frothing Performance of Frother-Collector Mixtures as Determined by Dynamic Foam Analyzer and Its Implications in Flotation 

  Batjargal, Khandjamts; Guven, Onur; Ozdemir, Orhan; Karakashev, Stoyan I. I.; Grozev, Nikolay A. A.; Boylu, Feridun; Celik, Mehmet Sabri (MINERALS / MDPI, 2023-02)

  In recent years, most of the studies have been adapted to determine the optimum conditions for the flotation of very fine minerals. In this context, besides parameters such as particle size, morphology, and pH, the effects ...
• ALTERNATIVE BINDERS TO BENTONITE FOR IRON ORE PELLETIZING - PART II: EFFECTS ON METALLURGICAL AND CHEMICAL PROPERTIES 

  Sivrikaya, Osman; Arol, Ali Ihsan (HOLOS / CENTRO FEDERAL EDUCACAO TECNOLOGICA RIO GRANDE NORTE, 2014-07)

  This study was started to find alternative binders to bentonite and to recover the low preheated and fired pellet mechanical strengths of organic binders-bonded pellets. Bentonite is considered as a chemical impurity for ...
• ALTERNATIVE BINDERS TO BENTONITE FOR IRON ORE PELLETIZING - PART I: EFFECTS ON PHYSICAL AND MECHANICAL PROPERTIES 

  Sivrikaya, Osman; Arol, Ali Ihsan (HOLOS / CENTRO FEDERAL EDUCACAO TECNOLOGICA RIO GRANDE NORTE, 2014-07)

  The use of conventional bentonite binder is favorable in terms of mechanical and metallurgical pellet properties, however, because of its acid constituents bentonite is considered as impurity especially for iron ores with ...
• Effect of particle shape properties on selective separation of chromite from serpentine by flotation 

  Guven, Onur; Serdengecti, M. Tayhan; Tunc, Berivan; Ozdemir, Orhan; Karaagaclioglu, Ibrahim E.; Celik, Mehmet S. (PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING / OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2020-07)

  Although many studies have been conducted on the morphological variations and its effects on flotation recoveries of a single mineral system, a systematic study for the flotation behavior of mixtures of minerals has not ...
• Physicochemical Characterization of Natural Wollastonite and Calcite 

  Kangal, Murat Olgac; Bulut, Gulay; Guven, Onur (MINERALS / MDPI, 2020-03)

  Wollastonite and calcite minerals are significant raw materials and are extensively used due to their unique properties. Wollastonite is used in plastics, paint, ceramics, paper, resins, and in construction as a substitution ...
• Wetting properties of blood lipid fractions on different titanium surfaces 

  Koca, Revan Birke; Guven, Onur; Celik, Mehmet Sabri; Firatli, Erhan (INTERNATIONAL JOURNAL OF IMPLANT DENTISTRY / SPRINGER JAPAN KK, 2020-05)

  Background Blood is the first tissue contacting the implant surface and starting the biological interactions to enhance osseointegration and stimulate bone formation with the progenitor cytokines, chemokines, and growth ...
• Correlations for Easy Calculation of the Critical Coalescence Concentration (CCC) of Simple Frothers 

  Karakashev, Stoyan I.; Grozev, Nikolay A.; Batjargal, Khandjamts; Guven, Onur; Ozdemir, Orhan; Boylu, Feridun; Celik, Mehmet Sabri (COATINGS / MDPI, 2020-07)

  Can the critical coalescence concentration (CCC) of the flotation frothers be predictable? What is the relation between their molecular structure and their CCC values? A literature survey found specific correlations between ...
• Experimental Procedure for the Determination of the Critical Coalescence Concentration (CCC) of Simple Frothers 

  Guven, Onur; Batjargal, Khandjamts; Ozdemir, Orhan; Karakashev, Stoyan I.; Grozev, Nikolay A.; Boylu, Feridun; Celik, Mehmet Sabri (MINERALS / MDPI, 2020-07)

  In this study, the critical coalescence concentrations (CCC) of selected commercial frother solutions, namely polypropylene glycols (PPG 200, 400, and 600), tri propylene glycol (BTPG), triethylene glycol (BTEG), dipropylene ...
• Morphological changes of glass bead particles upon an abrasive blasting as characterized by settling and flotation experiments 

  Hassas, Behzad Vaziri; Guven, Onur; Basturkcu, Esra; Celik, Mehmet S. (PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING / OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2021-02)

  The recent developments in mineral processing led researchers to look for alternative methods and propose new mechanisms for enhancing the efficiency of relatively costly processes (e.g., flotation, aggregation), where ...
• Preparation of different zinc compounds from a smithsonite ore through ammonia leaching and subsequent heat treatment 

  Ehsani, Arman; Ehsani, Ilhan; Obut, Abdullah (PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING / OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2021-06)

  In this study, firstly, the effects of ammonia concentration, leaching time and solid/liquid ratio on the leaching behaviour of zinc from a smithsonite (ZnCO3) ore sample in aqueous ammonia solutions were investigated at ...
• CRITICAL REVIEW OF THE ENVIRONMENTAL INVESTIGATION ON SOIL HEAVY METAL CONTAMINATION 

  Ersoy, Adem (APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH / CORVINUS UNIVERSITY BUDAPEST, 2021-09)

  Soil contamination by heavy metals has become a severe environmental issue in the world due to rapid development of urbanisation, industrial, mining, agricultural and natural processes, and chemical compounds. Reliable and ...
• Adsorption Kinetics of Various Frothers on Rising Bubbles of Different Sizes under Flotation Conditions 

  Batjargal, Khandjamts; Guven, Onur; Ozdemir, Orhan; Karakashev, Stoyan I.; Grozev, Nikolay A.; Boylu, Feridun; Celik, Mehmet Sabri (MINERALS / MDPI, 2021-03)

  This paper studies the effect of the type and concentration of selected frothers, the gas flowrate, and the pore size of the porous frit on the bubble sizes (Sauter mean diameter, SMD) of bubbling flow produced in a ...
• On the frother's strength and its performance 

  Karakashev, Stoyan I.; Grozev, Nikolay A.; Ozdemir, Orhan; Batjargal, Khandjamts; Guven, Onur; Ata, Seher; Bournival, Ghislain; Boylu, Feridun; Celik, Mehmet Sabri (MINERALS ENGINEERING / ELSEVIER LTD., 2021-09)

  It is a common rule that the strength of the frother is assessed by either its dynamic foamability index (DFI) or its critical coalescence concentration (CCC). The smaller the value of CCC the stronger the frother is. This ...
• Direct conversion of alkaline earth metal hydroxides and sulfates to carbonates in ammonia solutions 

  Ehsani, Ilhan; Ehsani, Arman; Ucyildiz, Ayse; Obut, Abdullah (PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING / OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2022-01)

  In this study, the direct conversion behaviors of different alkaline earth metal solids (the hydroxides and the sulfates of alkaline earth metals Ca, Sr, Ba and Mg) to their corresponding carbonates in dissolved ...
• The effect of NaCl concentration on the interaction energy between feldspar minerals 

  Guven, Onur; Can, Muhammed Fatih; Karaguzel, Cengiz (PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING / OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2022-06)

  The impact of the usage of monovalent ion concentration on the selective flotation of feldspar minerals has been receiving more attention in recent years. Although many experimental studies have been reported to justify ...
• Bubbling properties of frothers and collectors mix system 

  Batjargal, Khandjamts; Guven, Onur; Ozdemir, Orhan; Karakashev, Stoyan I.; Grozev, Nikolay A.; Boylu, Feridun; Celik, Mehmet Sabri (PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING / OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2022-08)

  This paper studies the effect of the type and concentration of selected frothers and collectors mix system on the bubble sizes (Sauter mean diameter, SMD) of bubbling flow produced in a micro flotation cell and the ...
• Physical restrictions of the flotation of fine particles and ways to overcome them 

  Stoyan, I. Karakashev; Grozev, Nikolay A.; Ozdemir, Orhan; Guven, Onur; Ata, Seher; Bournival, Ghislain; Batjargal, Khandjamts; Boylu, Feridun; Hristova, Svetlana; Celik, Mehmet Sabri (PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING / OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2022-09)

  This work analyses the basic problems of the fine particles flotation and suggests new ways to overcome them. It is well accepted that the poor recovery of fine particles is due to the small collision rate between them and ...
• BARYUM VE MAGNEZYUM İÇEREN KATILARIN KARBONAT YÜKLÜ ÇÖZELTİLERLE ETKİLEŞİMİ 

  Ehsani, Ilhan; Ehsani, Arman; Obut, Abdullah (Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi = Journal of Engineering and Architecture Faculty of Eskisehir Osmangazi University / Eskişehir Osmangazi Üniversitesi, 2022-08)

  Bu çalışmada, baryum (Ba(OH)2·8H2O ve BaSO4) veya magnezyum (Mg(OH)2 ve MgSO4·7H2O) içeren katıların, yerel bir simitsonit (ZnCO3) cevher örneğinin sulu sodyum hidroksit çözeltilerinde liçi sonrasında oluşan çözünmüş ...
• GEREDE-KAVACIK BÖLGESİ BAZALTLARININ ENDÜSTRİYEL KULLANIMI AÇISINDAN UYGUNLUĞUNUN BELİRLENMESİ 

  Yildiz, Deniz Taskin; Gultekin, Ali Haydar; Ozdamar, Senel (Mühendislik Bilimleri ve Tasarım Dergisi = Journal of Engineering Sciences and Design / Süleyman Demirel Üniversitesi, 2022-03)

  Bu çalışmada, Ankara-Bolu arasında, Galatya Volkanik Bölgesi olarak adlandırılan volkanik kayaçların bir parçasını oluşturan Bolu-Gerede Kavacık sahası baz alınarak bölge bazaltlarının endüstriyel kullanım alanlarına ...
• Characterization of Balikesir Balya Lead-Zinc Ore and Determination of its Particle Shape Factor 

  Tombal Kara, Tugba Deniz; Kursu, Ilgin (MT Bilimsel = Journal of Underground Resources / Mayeb Basın Yayın İnsan Kaynakları Ltd. Şti., 2022-09)

  In this study, detailed characterization tests were carried out to determine the physical, chemical and mineralogical properties of lead-zinc ore samples from Balya district of Balikesir province. Moisture, density and ...

View more