• Effect of Atmosphere and Temperature Treatment on Leoanarditefor Increasing Humic Acid Yield 

  Şimşek, Yunus Emre; Değirmenci, Levent (Springer, 2018)

  Humic acid is a complex molecule including carboxylic, phenolic, alcoholic, and carbonyl fractions in its structure. Addition of this complex structure in soil improves its fertility by increasing its porosity along ...

• Effect of blended cements with natural zeolite and industrial by-products on rebar corrosion and high temperature resistance of concrete 

  Karakurt, Cenk; Topçu, İlker Bekir (Elsevier, 2012)

  In this study, influence of blended cements produced with different types of pozzolans on rebar corrosion and high temperature resistance of concrete was investigated. For this reason, natural zeolite (Z), fly ash (FA), ...

• Advanced life cycle integrated exergoeconomic analysis of building heating systems: An application and proposing new indices 

  Açıkkalp, Emin; Hepbaşlı, Arif; Yücer, Cem Tahsin; Karakoç, Tahir Hikmet (Elsevier, 2018)

  Advanced exergy-based analysis and assessment tools have been considered very useful tools for detecting the interactions among components of energy-conversion systems and the real potential for improving each component ...

• Combined Utilization KmnO4 Modified Starch Particles with Glycerol as De-Icer 

  Emre, Deniz; Şimşek, Yunus Emre; Değirmenci, Levent (Osman Sağdıç, 2019)

  An alternative de-icer system consisted of biodegradable starch-modified KMnO4 (MS), and glycerol solution was proposed and tested with the present study. Experiments were performed with varying KMnO4 (10, 15, 25%) ...

• ULTRASONIC MODIFICATION EFFECT OF ACTIVATED CARBONS ON THE REMOVAL OF ARSENIC IN WASTERWATERS 

  Aydın, Harun; Şimşek, Yunus Emre (İKSAD, 2020)

  Arsenic contamination is a global threat and challenge humankind faces due to its carcinogenic and toxic effects on humans and environment. Typical arsenic removal methods in wastewaters are Oxidation-precipitation, ...

• Synthesis and Characterization of Hydroxyapatite Produced by Microwave Assisted Precipitation Technique 

  Şimşek, Yunus Emre; Avcı, Şenol (Polish Academy of Sciences Institute of Physics, 2019)

  In medical applications, the compliance and integration of bone with implant are a critical issue. Biocompatible metal substrates coated by suitable materials such as calcium phosphates, especially hydroxyapatite, ...

• Determination of Optimal Conditions for Production of Highly Porous Carbon by Chemical Activation Method 

  Şimşek, Yunus Emre (Polish Academy of Sciences Institute of Physics, 2019)

  Activated carbon is a complex and crude form of graphite. Compared to graphite, activated carbon exhibits an unusual imperfect structure that is tremendously porous ranging from nanopore to milipore sizes. Its ...

• Microstructure properties of waste tire rubber composites: an overview 

  Karakurt, Cenk (Review, 2015)

  More than 1.5 billion tires are produced worldwide per year. This causes environmental pollution in the nature. Studies have shown that scrap tire rubbers can be used as aggregates in concrete mixtures and as modifiers in ...

• Influence of SiC addition on tribological properties of SiAlON 

  Mallik, Awadesh Kumar; Reddy, Kolan Madhav; Çalış Açıkbaş, Nurcan; Kara, Ferhat; Mandal, Hasan; Basu, Debabrata; Basu, Bikramjit (Elsevier, 2011)

  The tribological properties of gas pressure sintered SiAlON and its composite with 18 wt% silicon carbide (SiC) against two different mating materials, i.e., alumina and SiAlON are evaluated. SiAlON and SiAlON–18%SiC ...

• The influence of zeolite and powdered Bayburt stones on the water transport kinetics and mechanical properties of hydrated lime mortars 

  Toklu, Yusuf Cengiz; İnce, Ceren; Derogar, Shahram; Yardımcı, Nesrin (Elsevier, 2015)

  The purpose of this paper is an investigation of the possible role of zeolite and powdered Bayburt stones on the fresh and hardened properties of hydrated lime (CL90) mortars. Parameters studied in this paper form the ...

• A comparative study on corrosion of Mg-Al-Si alloys 

  Candan, Şennur; Candan, Ercan (Elsevier, 2017)

  Corrosion behavior of various Mg−Al−Si alloys (AS11, AS21, AS41, AS61 and AS91 series), cast under the same cooling conditions and controlled alloying composition, was investigated systematically. Optical microscopy and ...

• Comparative study on corrosion behaviors of Mg-Al-Zn alloys 

  Candan, Şennur; Candan, Ercan (Elsevier, 2018)

  A comparative study on corrosion behaviors of various Mg−Al−Zn alloys (AZ21, AZ41, AZ61 and AZ91 series, cast under same cooling conditions and controlled alloying composition) was carried out. Scanning electron microscopy ...

• Effect of Activated Carbon Parameters on the Surface Properties of Wheat Straw Residue 

  Şimşek, Yunus Emre (IBCESS, 2016)

  Activated carbon has perfectly developed porosity, a large surface area (up to 3500 m2 g-1), and modifiable surface chemistry properties and exhibits a comparatively high degree of surface reactivity. Due to these reasons, ...

• An Optimization Model For Carbon Capture Storage/Utilization Vs. Carbon Trading: A Case Study Of Fossil-Fired Power Plants İn Turkey 

  Ağralı Taşkın, Semra; Üçtuğ, Fehmi Görkem; Atılgan Türkmen, Burçin (Elsevier, 2018)

  We consider fossil-fired power plants that operate in an environment where a cap and trade system is in operation. These plants need to choose between carbon capture and storage (CCS), carbon capture and utilization (CCU), ...

• Obtaining Hydrocarbon Rich Bio-Oil Via Catalytic Co-Pyrolysisof Plastic Wastes And Spirulina Sp. Microalgae 

  Özçakır, Gamze; Karaduman, Ali (IJRES, 2019)

  Synergic effect of microalgae, polystyrene and low density polyethylene on the co-pyrolytic bio-oil product yield and composition were investigated. Spirulina in powder form was used as microalgae source, while the mixture ...

• Detecting Chemicals With High Yield İn Pyrolytic Liquid Of Spirulina Sp. Microalgae Via GC-MS 

  Özçakır, Gamze; Karaduman, Ali (2020)

  Pyrolysis of Spirulina sp. Microalgae was carried out in a semi-batch glass reactor system. Effect of temperature on the yields of pyrolytic products (gaseous, liquid and solid residue) and chemical composition of the ...

• Adsorption of a textile dye Ostazin Black NH from aqueous solution onto chitosan-coated perlite beads 

  Açıkgöz, Çağlayan; Akın Şahbaz, Deniz (Deswater, 2017)

  Chitosan-coated perlite beads were prepared by dropwise addition of gel containing chitosan and perlite into a precipitation bath. The structure of the beads was characterized using Fourier transform infrared spectroscopy. ...

• Properties of Concrete Pavements Produced With Different Type of Fibers 

  Karakurt, Cenk; Arslan, Ahmet Turan (Turkish Chemical Society, 2017)

  Researches demonstrate that fibers boost performance of concrete incredibly. It’s determined that in literature steel fibers increase flexural strength and energy absorption capacity of the cementitious composites. However ...

• CHEMICAL RECOVERY FROM POLYSTYRENE WASTE AND LOW DENSITY POLYETHYLENE VIA CONVENTIONAL PYROLYSIS 

  Özçakır, Gamze; Karaduman, Ali (Eskişehir Osmangazi Üniversitesi, 2020)

  In Turkey, plastic wastes have formed 5-14 % of total solid wastes. Plastic wastes have been classified as thermoplastic and thermosets. Thermoplastic wastes which covers Polyethylene (PE), Polystyrene (PS), Polypropylene ...

• Bio-Oil Production From Microalgae By Pyrolysis: A Mini-Review 

  Özçakır, Gamze; Karaduman, Ali (2021)

  Fossil fuel (petroleum, coal, natural gas) reserves have decreased, so it has been necessary to find renewable, sustainable and eco-friendly resources. Biofuels which have been classified as bioethanol, biodiesel, biogas ...

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