نتایج جستجو برای: microwave assisted hydrothermal technique

تعداد نتایج: 787513  

Journal: :Bioresource technology 2013
Patrick Biller Cerri Friedman Andrew B Ross

Microalgae are regarded as a promising source of lipids for bio-diesel production and bio-products. The current paper investigates the processing of microalgal slurries under controlled microwave irradiation. Microwave power was applied to reach temperatures of 80, 100, 120 and 140 °C at a constant residence time of 12 min. Microwave irradiation led to disruption of the algal cell walls which f...

2014
Tai-Chou Lee

In this study, first, we prepared ternary component semiconductor powders of ZnmIn2S3+m (ZIS) by using microwave-assisted hydrothermal method. Microwave-assisted hydrothermal process is a facile way to produce nanomaterials at a shorter reaction time with less secondary impurities while changing the amount of zinc in a series of solid solutions. With little adjustment of the ratios of [Zn]/[In]...

2011
Ming Liu Wenxiang Hu

Various extraction techniques were applied in the extraction of the biologically active constituents. The methods employed were traditional maceration extraction, microwave-assisted extraction(MAE), and ultrasound extraction (UE). Compared to the maceration extraction, MAE and UE methods provided high extraction yield, requiring short time frames and less labour. Microwave irradiation is a prov...

Journal: :nanochemistry research 0
hamid reza rajabi chemistry department, yasouj university, yasouj, iran hoda deris chemistry department, yasouj university, yasouj, iran hame sadat faraji chemistry department, yasouj university, yasouj, iran

in the present study, a simple, efficient and fast synthetic strategy was reported for the green biosynthesis of silver nanostructures (i.e. nanoroads and nanoparticles) by the extract of suaeda acuminata plant, without any catalyst, template or surfactant. aqueous extracts were obtained by maceration and microwave assisted extraction (mae) methods. in mae procedure, the effect of microwave pow...

Journal: :Cerâmica 2022

The structural, morphological, and optical properties of ?-SnWO4 synthesized by microwave-assisted hydrothermal method at 150 °C for different times were investigated. XRD revealed the formation orthorhombic phase, without presence a secondary phase. sample processed 64 min showed reduction in unit cell volume, suggesting decrease structural defects present sample. Raman spectroscopy confirmed ...

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