Güncel Gönderiler: Kimya Mühendisliği Bölümü
Toplam kayıt 233, listelenen: 121-140
-
Catalytic pyrolysis of waste furniture sawdust for bio-oil production
(SAGE Publications LTD, 2014)In this study, the catalytic pyrolysis of waste furniture sawdust in the presence of ZSM-5, H-Y and MCM-41 (10 wt % of the biomass sample) was carried out in order to increase the quality of the liquid product at the various ... -
Biodiesel production from waste frying oils: Optimization of reaction parameters and determination of fuel properties
(Pergamon-Elsevier Science LTD, 2012)Alkali-catalyzed transesterification of waste frying oils (WFO) was carried out in various conditions to investigate the effects of catalyst concentration, reaction time, methanol/oil molar ratio, reaction temperature, ... -
Biochar for climate change mitigation: Tracing the in-situ priming effect on a forest site
(Elsevier Science BV, 2015)A significant amount of Carbon (C) on global soils consists of black carbon or charred organic matter. Biochar amendment in soils is therefore seen as a potential geoengineering method for climate change mitigation and ... -
Upgrading of fast pyrolysis bio-oil over Fe modified ZSM-5 catalyst to enhance the formation of phenolic compounds
(Pergamon-Elsevier Science LTD, 2017)The present study is aimed to investigate the upgrading of beech sawdust pyrolysis bio-oil through catalytic cracking of its vapors over Fe-modified ZSM-5 zeolite in a fixed bed tubular reactor. The zeolite supported iron ... -
Effect of the comonomer content on the solid-state mechanical and viscoelastic properties of poly(propylene-co-1-butene) films
(Wiley, 2018)In this study, we quantified the thermal and solid-state mechanical and viscoelastic properties of isotactic polypropylene (i-PP) homopolymer and poly(propylene-1-butene) copolymer films having a 1-butene ratio of 8, 12, ... -
Paper Based, Expanded Graphite/Polypyrrole Nanocomposite Supercapacitors Free from Binders and Current Collectors
(Electrochemical Soc Inc, 2018)Expanded graphite (EG) - polypyrrole (PPy) hybrid nanocomposites are used for the fabrication of paper-based highly flexible supercapacitor devices. Brush-painted EG electrodes are utilized as electrodes for the electrodeposition ... -
Thermogravimetric characteristics and kinetics of scrap tyre and Juglans regia shell co-pyrolysis
(SAGE Publications LTD, 2014)The degradation kinetics of Juglans regia shell, scrap tyre and their blends were investigated using a thermogravimetric analysis method. Experiments were performed under dynamic conditions and a nitrogen atmosphere in the ... -
Optimization of Biodiesel Production and Fuel Properties of Blends
(Taylor & Francis Inc, 2014)In this study, optimization of essential parameters, such as reaction time, reaction temperature, methanol/oil molar ratio, catalyst amount, and type of biodiesel production via transesterification, were investigated. The ... -
Pyrolysis and Catalytic Upgrading of Lignocellulosic Biomass Using Metal Loaded Zsm-5 Zeolite
(Eta-Florence Renewable Energies, 2016)The present study is aimed to catalytic upgrading of bio-oil obtained from beech wood sawdust pyrolysis over metal-loaded ZSM-5 zeolites. Ni modified ZSM-5 zeolites synthesized with varying metal loading ratios (1-10 wt. ... -
Comparative studies on adsorptive removal of heavy metal ions by biosorbent, bio-char and activated carbon obtained from low cost agro-residue
(Iwa Publishing, 2016)In this study, Fe(III) and Cr(III) metal ion adsorption processes were carried out with three adsorbents in batch experiments and their adsorption performance was compared. These adsorbents were sesame stalk without ... -
Thermal and kinetic behaviors of biomass and plastic wastes in co-pyrolysis
(Pergamon-Elsevier Science LTD, 2013)In this study, co-pyrolysis characteristics and kinetics of biomass-plastic blends were investigated. Cotton stalk, hazelnut shell, sunflower residue, and arid land plant Euphorbia rigida, were blended in definite ratio ... -
A pyrolysis study for the thermal and kinetic characteristics of an agricultural waste with two different plastic wastes
(SAGE Publications LTD, 2014)In this study, thermochemical conversion of plastic wastes (PET and PVC) together with an agricultural waste (hazelnut shell) was investigated. In order to determine the thermal and kinetic behaviours, pyrolysis experiments ... -
Equilibrium, kinetic, and thermodynamic studies of the adsorption of Fe(III) metal ions and 2,4-dichlorophenoxyacetic acid onto biomass-based activated carbon by ZnCl2 activation
(Elsevier Science BV, 2017)This study investigated the preparation of activated carbon from low-cost biomass as precursor and the using of obtained activated carbon for the removal of Fe(III) and 2,4-D pollutants from model solution. The different ... -
A comparative study on co-pyrolysis of lignocellulosic biomass with polyethylene terephthalate, polystyrene, and polyvinyl chloride: Synergistic effects and product characteristics
(Elsevier Sci LTD, 2018)Co-pyrolysis of waste biomass and plastics was investigated to find out whether the quality of pyrolysis products was improved. For the sake of yield and compositional comparison, three polymers (polyethylene terephthalate, ... -
TGA/MS/FT-IR study for kinetic evaluation and evolved gas analysis of a biomass/PVC co-pyrolysis process
(Pergamon-Elsevier Science LTD, 2019)This study aims to investigate the thermal behaviours of a specific biomass and a polymer sample through co-pyrolytic degradation. Therefore, a non-edible food processing waste (cherry seed: CS) and a typical plastic waste ... -
Products characterization study of a slow pyrolysis of biomass-plastic mixtures in a fixed-bed reactor
(Elsevier Science BV, 2014)In this study, co-pyrolysis of plastic wastes; polyvinyl chloride (PVC) and polyethylene terephthalate (PET) with different agricultural wastes such as cotton stalk, hazelnut shells, and sunflower residues near an arid ... -
Kinetics and evolved gas analysis for pyrolysis of food processing wastes using TGA/MS/FT-IR
(Pergamon-Elsevier Science LTD, 2017)The objective of this study was to identify the pyrolysis of different bio-waste produced by food processing industry in a comprehensible manner. For this purpose, pyrolysis behaviors of chestnut shells (CNS), cherry stones ... -
Pyrolysis of Peach Pulp: Effect of Chemical Additives
(Taylor & Francis Inc, 2014)Peach pulp and impregnated sample have been investigated as an alternative feedstock to obtain fuels and chemicals. The effect of a series of operation variables was studied. The maximum oil was obtained as 23.24% at the ... -
Characterization of Chars from Steam Pyrolysis of Apricot Pulp
(Taylor & Francis Inc, 2011)The characterization of apricot pulp char obtained from steam pyrolysis was studied. The char was prepared by pyrolyzing apricot pulp temperatures ranging from 300 to 700 degrees C under steam atmospheres. The chemical ... -
Pitch based carbon fiber production
(Gazi University, Fac Engineering Architecture, 2018)Carbon fiber, which has unique physical, chemical and biological properties, is a versatile material in fiber form composed of carbon atoms arranged in hexagonal structure. In the industrial production of carbon fibers, ...
