Yazar "Geçgel, Ünal" için listeleme
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Active carbon/graphene hydrogel nanocomposites as a symmetric device for supercapacitors
Ateş, Murat; Çınar, Damla; Çalışkan, Sinan; Geçgel, Ünal; Üner, Osman; Bayrak, Yüksel; Candan, İdris (Taylor & Francis Inc, 2016)Activated carbons (ACs) are successfully synthesized from Elaeagnus grain by a simple chemical synthesis methodology and demonstrated as novel, suitable supercapacitor electrode materials for graphene hydrogel (GH)/AC ... -
ADSORPTION OF BOVINE SERUM ALBUMIN ONTO ACTIVATED CARBON PREPARED FROM ELAEAGNUS STONE
Geçgel, Ünal; Üner, Osman (Chem Soc Ethiopia, 2018)In this study, the adsorption of bovine serum albumin was studied using the activated carbon prepared from Elaeagnus stone with chemical activation. Elaeagnus stone activated carbon was characterized using the point of ... -
Adsorption of cationic dyes on activated carbon obtained from waste Elaeagnus stone
Geçgel, Ünal; Üner, O.; Gökara, G.; Bayrak, Y. (SAGE Publications Inc., 2016)Activated carbon was obtained from waste Elaeagnus stone by a chemical activation method utilizing ZnCl2. The resultant Elaeagnus activated carbon (EAC) with a high activated specific surface area of 1588 m2/g was characterized ... -
Adsorption of Methylene Blue by an Efficient Activated Carbon Prepared from Citrullus lanatus Rind: Kinetic, Isotherm, Thermodynamic, and Mechanism Analysis
Üner, Osman; Geçgel, Ünal; Bayrak, Yüksel (Springer International Publishing Ag, 2016)By using the activated carbon obtained from Citrullus lanatus rind by zinc chloride activation, methylene blue (MB) removal from aqueous solutions was studied, and the adsorption mechanism was solved through Weber-Morris ... -
Adsorptive removal of diclofenac sodium from aqueous solution onto sycamore ball activated carbon - isotherms, kinetics, and thermodynamic study
Avcu, Tarık; Üner, Osman; Geçgel, Ünal (Elsevier, 2021)This study reports the analysis data of diclofenac sodium adsorption on sycamore ball activated carbon surface, in which various parameters such as adsorbent dosage, initial diclofenac sodium concentration, temperature, ... -
Adsorptive Removal of Methylene Blue from Aqueous Solution by the Activated Carbon Obtained from the Fruit of Catalpa bignonioides
Geçgel, Ünal; Kocabıyık, Barış; Üner, Osman (Springer International Publishing Ag, 2015)In this study, the fruit of Catalpa bignonioides was used as the raw material to obtain low-cost activated carbon. The activation process was carried out by using chemical activation method with zinc chloride. Catalpa ... -
Adsorptive Removal of Rhodamine B with Activated Carbon Obtained from Okra Wastes
Üner, Osman; Geçgel, Ünal; Kolancılar, Hakan; Bayrak, Yüksel (Taylor & Francis Inc, 2017)This study aimed at preparing and optimizing an activated carbon (OAC) obtained from dry okra wastes by chemical activation with zinc chloride. Also, Rhodamine B removal performance from aqueous solution was analyzed by ... -
Comparisons of activated carbons produced from sycamore balls, ripe black locust seed pods, and Nerium oleander fruits and also their H-2 storage studies
Üner, Osman; Geçgel, Ünal; Avcu, Tarık (Springer Japan Kk, 2021)Starting materials are very significant to produce activated carbons because every starting material has a different chemical structure; hence they affect the surface functional groups and surface morphologies of obtained ... -
Preparation and characterization of mesoporous activated carbons from waste watermelon rind by using the chemical activation method with zinc chloride
Üner, Osman; Geçgel, Ünal; Bayrak, Yüksel (Elsevier, 2019)Waste watermelon rind was analyzed as a precursor for preparing activated carbons by using a one-step chemical activation process by zinc chloride. The effects of activation parameters, i.e., carbonization temperature, ...
