نتایج جستجو برای: supercritical water impregnation

تعداد نتایج: 562532  

2004
Yutaka Ikushima Masahiro Sato

A one-step synthesis of monoterpene alcohols such as lavandulol, linalool and geraniol/nerol from hemiterpene alcohols proceeds efficiently in supercritical water (scH2O) without any catalyst. Our device of a microreaction (μ-reaction) system achieves the production of lavandulol in 82% selectivity and 59% yield, respectively, even at a short reaction time of 7.7 s at 30 MPa and 375 in the near...

Journal: :Journal of the Japan Institute of Energy 1996

2012
Kwang-Ho Cha Kyung-Jin Cho Min-Soo Kim Jeong-Soo Kim Hee Jun Park Junsung Park Wonkyung Cho Jeong-Sook Park Sung-Joo Hwang

BACKGROUND The aim of this study was to enhance the bioavailability of fenofibrate, a poorly water-soluble drug, using a melt-adsorption method with supercritical CO(2). METHODS Fenofibrate was loaded onto Neusilin(®) UFL2 at different weight ratios of fenofibrate to Neusilin UFL2 by melt-adsorption using supercritical CO(2). For comparison, fenofibrate-loaded Neusilin UFL2 was prepared by so...

Journal: :JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2004

2004
B. Hultman

The paper presents directions for a new system technology for municipal wastewater treatment, in order to consider both phosphorus removal and recovery. The system technology is proposed in a way to use as much as possible existing investments for the treatment and focus on modification of the operational mode. The process is based on removal followed by phosphorus recovery as calcium phosphate...

2014
Elżbieta Radziejewska-Kubzdela Róża Biegańska-Marecik Marcin Kidoń

Vacuum impregnation is a non-destructive method of introducing a solution with a specific composition to the porous matrices of fruit and vegetables. Mass transfer in this process is a result of mechanically induced differences in pressure. Vacuum impregnation makes it possible to fill large volumes of intercellular spaces in tissues of fruit and vegetables, thus modifying physico-chemical prop...

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