Browsing by Author "Saydut, Abdurrahman"
Now showing items 1-20 of 26
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Alkali catalyzed transesterification of safflower seed oil assisted by microwave irradiation
Duz, M. Zahir; Saydut, Abdurrahman; Ozturk, Gulsen (Elsevier, 2011)The safflower (Carthamus tinctorius L) oil was extracted from the seeds of the safflower that grows in Diyarbakir, SE Anatolia of Turkey. Biodiesel has been prepared from safflower seed by transesterification of the crude ... -
Altın nanomalzeme sentezi ve karekterizasyonu
Baran, Mehmet Fırat; Saydut, Abdurrahman (Dicle Üniversitesi Mühendislik Fakültesi, 2019)Nanobiyoteknoloji, nanobilim ve teknolojide çarpıcı ve en hızlı gelişen alanlardan biridir. Altın nanopartikülleri (AuNP'ler), yeşil sentez ile herhangi bir yüzey aktif madde, stabilizatör ve kimyasal madde kullanılmad ... -
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 speciation of vanadium in coal bottom ash
Aydın, Fırat; Saydut, Abdurrahman; Gündüz, Beniz; Aydın, Işıl; Hamamcı, Candan (Wiley, 2012)Chemical speciation of vanadium is important to understand the true nature of this element in the environment as well as its biochemical pathways. Sample pretreatment, preparation, and chemical speciation methods were ... -
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 ... -
Gümüş nanomalzeme sentezi ve antimikrobiyal uygulamaları
Saydut, Abdurrahman; Baran, Mehmet Fırat; Umaz, Adil (Dicle Üniversitesi Mühendislik Fakültesi, 2019)Çevre dostu sentez yöntemlerinin her geçen gün daha etkin olması ve nanopartiküllerin (NP’lerin) kullanım alanlarının yaygınlığı bu yöntemlere olan ilginin oldukça artmasına neden olmaktadır. Biz atık durumunda ki zeytin ... -
Güneydoğu Anadolu asfaltit ve kömürlerinin pirolizi ile sıvı yakıt eldesi ve karakterizasyonu
Saydut, Abdurrahman (2017)Bu çalışmada Güneydoğu Anadolu Bölgesi'ndeki katı fosil yakıtlardan alman numunelerin TGA analizleri ve piroliz yöntemiyle sıvı yakıt elde edilmesi imkanları araştırıldı. Çalışmanın ilk bölümünde, Silopi -Harbul, ... -
Güneydoğu Anadolu bölgesindeki asfaltit ve linyitlerin fiziksel işlemlerle kül ve kükürdün giderilmesi
Saydut, Abdurrahman (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 1999)Türkiye'nin Güneydoğu Anadolu Bölgesinde Şırnak (Avgamasya, Segürük), Silopi (Halbur) sınırlan içerisinde geniş asfaltit yataklan ve Diyarbakır (Hazro)' da linyit yataklan bulunmaktadır. Güneydoğu Anadolu Bölgesinde katı ... -
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), ... -
Kapalı spor salonlarındaki risk analizi ve değerlendirilmesi
Velioğlu, Arman İnan (Dicle Üniversitesi, Sağlık Bilimleri Enstitüsü, 2023)Amaç: Çalışmanın amacı kapalı spor salonlarını iş sağlığı ve güvenliği bakımından incelemektir. İş sağlığı ve güvenliği açısından risklerin değerlendirilmesi, alınan önlemlerin yeterli olup olmadığı için neler yapılabileceğinin ... -
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 ... -
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 Acid Digestion for the Determination of Metals in Subbitumnious Coal Bottom Ash by ICP-OES
Saydut, Abdurrahman (Sage Publications Inc, 2010)The development of precise and easy determination method for the metals in fossil fuel is the essential factor for the study of problems which are caused by the existence of metals in fuel. Coal contains many kinds of ... -
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 ...
