Browsing by Author "Hamamci, Candan"
Now showing items 1-20 of 30
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Application of Modified BCR Sequential Extraction Method for the Fractionation and ICP-OES Determination of Copper in Asphaltite Combustion Waste
Aydin, Firat; Gunduz, Beniz; Aydin, Isil; Akba, Osman; Saydut, Abdurrahman; Hamamci, Candan (Atomic Spectroscopy Press Ltd, 2013)Asphaltite is derived from petroleum-origin solid fossil fuel. It contains many elements in different forms which may change during the combustion process. This study presents a modified BCR sequential extraction method ... -
Chemical Characteristics of Settled Particles during a Dust-Storm
Aydin, Firat; Aydin, Isil; Erdogan, Sait; Akba, Osman; Isik, Birgul; Hamamci, Candan (Hard, 2012)Major synoptic systems bring desert dust from Arabia and the Sahara to Anatolia, Turkey. A study of particulate matter (PM) associated metal content such as As, Al, Cr, Cd, Co, Cu, Fe, Mn, Mo, Ni, Pb, Sb, Se, Sn, and Zn, ... -
Chemical fractionation of nickel in asphaltite based bottom ash
Aydin, Isil; Aydin, Firat; Kilinc, Ersin; Duz, M. Zahir; Hamamci, Candan (Taylor & Francis Ltd, 2013)Asphaltite, originating from petroleum, contains many kinds of mineral elements derived from its generation. These elements exist in different forms which may change throughout the asphaltite combustion process. Chemical ... -
Comparison of the biodiesel quality produced from refined sunflower (Helianthus annuus L) oil and waste cooking oil
Saydut, Abdurrahman; Kafadar, Aylin Beycar; Tonbul, Yalcin; Kaya, Canan; Aydin, Firat; Hamamci, Candan (Multi-Science Publ Co Ltd, 2010)A major hurdle in commercialization of biodiesel from vegetable oil, in comparison to petroleum-based diesel fuel, is its cost of manufacturing, primarily the raw material cost. Waste cooking oil is one of the economical ... -
Content and Mobility Behavior of Iron and Manganese in Asphaltite Burning Residue Using ICP-OES
Aydin, Isil; Gunduz, Beniz; Aydin, Firat; Akba, Osman; Saydut, Abdurrahman; Hamamci, Candan (Atomic Spectroscopy Press Ltd, 2014)The determination of inorganic pollutants leaching from solid waste, such as coal, asphaltite, oil shale, and ash, is an important topic for industrial applications and solid waste management. This study presents the ... -
Desulfurization and demineralization of asphaltite using combination of froth flotation and aqueous caustic leaching
Saydut, Abdurrahman; Duz, M. Zahir; Aydin, Isil; Hamamci, Candan (Sage Publications Inc, 2008)The mineral matter and Sulfur, which are present in varying amounts in asphaltites, are a major problem in utilization of asphaltites as a fuel. The effect of leaching asphaltites from Simak and Silopi, SE Anatolia, Turkey, ... -
Determination of mineral phosphate species in sedimentary phosphate rock in Mardin, SE Anatolia, Turkey by sequential extraction
Aydin, Isil; Imamoglu, Sefik; Aydin, Firat; Saydut, Abdurrahman; Hamamci, Candan (Elsevier Science Bv, 2009)The importance of the effect of phosphate rock depends on the chemical form of phosphorus in which this element is combined. The paper presents the results of inorganic and organic forms of phosphorus in the phosphate rock ... -
Froth flotation pretreatment for enhancing desulfurization of coal with sodium hydroxide
Saydut, Abdurrahman; Tonbul, Yalcin; Baysal, Akin; Zahir Duz, M.; Hamamci, Candan (Natl Inst Science Communication, 2007)Froth flotation (FF) pretreatment of coal from Hazro, Turkey, for enhancing desulfurization with sodium hydroxide was investigated. FF reduced following contents of coal: ash, 58.54; pyritic sulfur, 79.34; and volatile ... -
Hazardous metal geochemistry of sedimentary phosphate rock used for fertilizer (Mazidag, SE Anatolia, Turkey)
Aydin, Isil; Aydin, Firat; Saydut, Abdurrahman; Bakirdere, E. Gulhan; Hamamci, Candan (Elsevier, 2010)Composition of phosphate rocks mostly depend on their type and origin. Sedimentary rocks contain high concentration of heavy metals. Phosphate rocks are mainly used for the manufacturing of phosphate fertilizers. The ... -
High-Performance Liquid Chromatography Analysis and Assessment of Benzoic Acid in Yogurt, Ayran, and Cheese in Turkey
Yildiz, Aydin; Erdogan, Sait; Saydut, Abdurrahman; Hamamci, Candan (Springer, 2012)Among food sources, particular attention is paid to milk and dairy products, due to its nutritional importance. Benzoic acid is extensively used in the preservation of foods. A reliable method for the determination of ... -
Influences of temperature on flash pyrolysis products of asphaltite
Saydut, Abdurrahman; Hamamci, Candan (Natl Inst Science Communication, 2008)Seguruk (Sirnak, Turkey) asphaltite by flash pyrolysis in a fixed bed reactor with a heating rate 40 degrees C min(-1) at 400-800 degrees C (optimum 550 degrees C) under nitrogen atmosphere gave: solid residue (char), ... -
Liquefaction of Harbul (Silopi SE anatolia, turkey) asphaltite by flash pyrolysis
Saydut, Abdurrahman; Tonbul, Yalcin; Hamamci, Candan (Sage Publications Inc, 2008)Asphaltite, being petroleum originated solid fossil fuel, can be converted into a variety of secondary products such as light hydrocarbon gases, liquid product and high quality fuel char by means of pyrolysis. Liquefaction ... -
Major and Trace Element Contamination of Short-Term Snow Cover During and After a Dust Storm and Analysis by ICP-OES
Akba, Osman; Kilinc, Ersin; Aydin, Isil; Erdogan, Sait; Aydin, Firat; Duz, M. Zahir; Hamamci, Candan (Atomic Spectroscopy Press Ltd, 2013)The levels of major and trace elements are key data for evaluating the toxicity of potential particulate matter and for identifying pollution sources. From this point of view, snow is considered an ideal matrix to observe ... -
Methyl ester of peanut (Arachis hypogea L.) seed oil as a potential feedstock for biodiesel production
Kaya, Canan; Hamamci, Candan; Baysal, Akin; Akba, Osman; Erdogan, Sait; Saydut, Abdurrahman (Pergamon-Elsevier Science Ltd, 2009)The peanut (Arachis hypogea L.) seed oil was extracted from the seeds of the peanut that grows in SE Anatolia of Turkey. Oil was obtained in 50 wt/wt.%, by solvent extraction. Peanut (A. hypogea L) seed oil was investigated ... -
Microwave assisted transesterification of maize (Zea mays L.) oil as a biodiesel fuel
Ozturk, Gulsen; Kafadar, Aylin Beycar; Duz, M. Zahir; Saydut, Abdurrahman; Hamamci, Candan (Sage Publications Inc, 2010)Maize (Zea mays L.) oil is a highly valuable agricultural commodity for the Turkey. Transesterified maize oil has the global better properties because it has the greater monounsaturated content. Biodiesel has been prepared ... -
Microwave Digestion Followed by ICP-OES for the Determination of Al, Cd, Cr, Cu, Fe, Ni, Pb, and Sn in Maize
Duz, M. Zahir; Celik, K. Serdar; Aydin, Isil; Erdogan, Sait; Aydin, Firat; Hamamci, Candan (Atomic Spectroscopy Press Ltd, 2012)Maize (Zea mays L.) is currently the most widely grown crop in the world and is used not only for food and animal feed but also to produce industrial starches, biodiesel, ethanol, and oils. The present work reports the ... -
Molybdenum speciation in asphaltite bottom ash (Seguruk, SE Anatolia, Turkey)
Aydin, Isil; Aydin, Firat; Hamamci, Candan (Elsevier Sci Ltd, 2012)Asphaltites derive from petroleum origin. The combustion of asphaltites produces fly and bottom ashes that are characterized by a high content of valuable elements such as vanadium, nickel, molybdenum, uranium, thorium, ... -
Phosphorus Speciation in Coal Bottom Ash
Aydin, Firat; Saydut, Abdurrahman; Aydin, Isil; Hamamci, Candan (Atomic Spectroscopy Press Ltd, 2011)Coal, coal bottom ash (CBA), and coal fly ash contain many elements in different forms which may change during the coal combustion process. A true understanding of the dynamics of phosphorus (P) in the natural environment ... -
Phosphorus Speciation in the Surface Sediment and River Water from the Orontes (Asi) River, Turkey
Aydin, Isil; Aydin, Firat; Hamamci, Candan (Water Environment Federation, 2010)The paper presents the results of the distribution of phosphorus bioavailability (total, organic, and inorganic phosphorus) in surface sediment and river water from the Orontes (Asi) River (Samandag, Antakya, Turkey) in ... -
Process optimization for production of biodiesel from hazelnut oil, sunflower oil and their hybrid feedstock
Saydut, Abdurrahman; Erdogan, Sait; Kafadar, Aylin Beycar; Kaya, Canan; Aydin, Firat; Hamamci, Candan (Elsevier Sci Ltd, 2016)The most important constituent needed for biodiesel development is the feedstock. As the availability of feedstock is limited, the possibility of using the hybrid feedstock has been explored. Biodiesel has been synthesized ...
