scholarly journals Eco-friendly isolation and characterization of nanochitin from different origins by microwave irradiation: Optimization using response surface methodology

2021 ◽  
Author(s):  
Rut Fernández-Marín ◽  
Fabio Hernández-Ramos ◽  
Asier M. Salaberria ◽  
Mª. Ángeles Andrés Sánchez ◽  
Jalel Labidi ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Microwave Irradiation ◽  
Response Surface ◽  
Isolation And Characterization ◽  
Different Origins

scholarly journals Isolation and characterization of Aspergillus sp. for the production of extracellular polysaccharides by response surface methodology

2019 ◽  
Vol 26 (3) ◽  
pp. 449-454
Author(s):  
Balamuralikrishnan Balasubramanian ◽  
Soundharrajan Ilavenil ◽  
Al-Dhabi N.A. ◽  
Paul Agastian ◽  
Ki Choon Choi
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Extracellular Polysaccharides ◽  
Isolation And Characterization ◽  
Aspergillus Sp

Optimization of biodiesel synthesis under simultaneous ultrasound-microwave irradiation using response surface methodology (RSM)

2015 ◽  
Vol 4 (4) ◽  
Author(s):  
Seyed Mohammad Safieddin Ardebili ◽  
Teymor Tavakoli Hashjin ◽  
Barat Ghobadian ◽  
Gholamhasan Najafi ◽  
Stefano Mantegna ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Microwave Irradiation ◽  
Response Surface ◽  
Palm Oil ◽  
Catalyst Concentration ◽  
Irradiation Time ◽  
Operating Conditions ◽  
Molar Ratio ◽  
Reaction Conditions ◽  
Biodiesel Synthesis

AbstractThis work investigates the effect of simultaneous ultrasound-microwave irradiation on palm oil transesterification and uncovers optimal operating conditions. Response surface methodology (RSM) has been used to analyze the influence of reaction conditions, including methanol/palm oil molar ratio, catalyst concentration, reaction temperature and irradiation time on biodiesel yield. RSM analyses indicate 136 s and 129 s as the optimal sonication and microwave irradiation times, respectively. Optimized parameters for full conversion (97.53%) are 1.09% catalyst concentration and a 7:3.1 methanol/oil molar ratio at 58.4°C. Simultaneous ultrasound-microwave irradiation dramatically accelerates the palm oil transesterification reaction. Pure biodiesel was obtained after only 2.2 min while the conventional method requires about 1 h.

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