Browsing by Author "Dal, Orkan"

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Liquefaction of waste hazelnut shell by using sub- and supercritical solvents as a reaction medium

Demirkaya, Emre; Dal, Orkan; Yüksel, Aslı (Elsevier, 2019-08)

Direct thermochemical biomass degradation to obtain bio-oil by using organic solvents is not a new process type, and it has some advantages over hydrothermal liquefaction technique. However, up to our best knowledge, in ...
Production of bio-oil from haelnut shell waste by using supercritical ethanol, acetone and their mixtur

Dal, Orkan (Izmir Institute of Technology, 2018-12)

The goal of this study was to investigate effect of reaction temperature, reaction time and solvent ratio (ethanol/acetone v/v%) on bio-oil yield, solid conversion and product distribution. Direct thermochemical biomass ...
Ultrasound assisted extraction for the recovery of phenolic compounds from waste hazelnut shell

Dal, Orkan; Şengün, Duygu; Özşen, Aslı Yüksel (2020)

Hazelnut shell is the primary byproduct of hazelnut industry which has the potential source of antioxidants, and phenolics with interest of pharmaceutical, food, and cosmetic industries. The main goal of this study is to ...