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Найденный: 3 Экземпляр 0.002 sn
Устойчивое развитие ООН : Устойчивые города и ... ✕Ученые : Mehmet KOBYA ✕
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Prof. Dr. Mehmet KOBYAMühendislik Fakültesi
Устойчивые города и населенные пунктыСоздание инклюзивной, безопасной, прочной и устойчивой городской среды и жилых площадей
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Optimisation of preparation of hazelnut shell activated carbon for adsorption of Cr (III)

Mehmet KOBYA

The aim of this study was the optimisation of the activated carbon (C) production process by dehydration-carbonisation using concentrated sulfuric acid (H2SO4) from hazelnut shells found locally and readily available agricultural waste and the adsorption of chromium (III) (Cr3) on the activated carbon produced by this method. An adsorption experiment was carried out at conditions of 25 degrees C and initial concentration of 30 mg chromium (III)/l. The optimum process conditions for ensuring maximum adsorption capacity were investigated by means of statistically designed experiments and steepes ...Более

Статья 2021 Mühendislik Fakültesi Journal of Environmental Engineering and Science17 ( 2 ) 49 Просмотры
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Polyaniline-coated charcoal ash: a novel high-capacity adsorbent for removal of thiocyanate ions from aqueous solutions

Mehmet KOBYA

Removal of thiocyanate (SCN-), which is widely used in many industrial processes is of concern due to this toxicity. In this work, the potential of polyaniline-coated charcoal ash (PANI-CCA) as a low-cost and efficient adsorbent was evaluated in order to remove thiocyanate ions from aqueous solution. Morphologies and chemical composition of the PANI-CCAhave been examined by using scanning electron microscopy and X-ray fluorescence spectrometry (XRD). Batch experiments were performed to examine the effects of operating conditions such as pH (6.0-10.0), ash dosage (0-0.30 g/50 ml), initial dye c ...Более

Статья 2021 Mühendislik Fakültesi International Journal of Environmental Analytical Chemistry103 ( 16 ) 59 Просмотры
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Phosphorous removal from anaerobically digested municipal sludge centrate by an electrocoagulation reactor using metal (Al, Fe and Al-Fe) scrap anodes

Mehmet KOBYA

Phosphates are a major cause of eutrophication and growth of algal blooms in surface waters. The current study investigated phosphorus removal from sludge centrate effluent (SCE) of a municipal wastewater plant by packed-bed electrocoagulation (EC) reactor. Distinctively, iron (Fe), aluminum (Al) and Al-Fe hybrid scrap anodes were used. The influence of initial pHi, applied current and packed anode bed density were evaluated. Phosphorous removal efficiency of 99.99 ?as obtained at applied current of 0.20A with anode bed densities of 0.18 kg Al/m3 (pHi 5.0) and 0.48 kg Fe/m3(pHi 7.0). Optimum o ...Более

Статья 2021 Mühendislik Fakültesi Process Safety and Environmental Protection152 69 Просмотры
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