搜索结果: 1-10 共查到“工学 supercritical carbon dioxide”相关记录10条 . 查询时间(0.115 秒)
A Computational Simulation of Supercritical Carbon Dioxide and Ethanol Capillary Flow
Computational Simulation Supercritical Carbon Dioxide Ethanol Capillary Flow
<
2014/10/23
Homogenous and separated flow metho ds have b een presented for use in the capillary tub e section of the Plasma Rapid Expansion of Sup ercritical Solutions (PRESS) pro cess using a carb on dioxide an...
Fatty acid composition of oil obtained from soybeans by extraction with supercritical carbon dioxide
supercritical carbon dioxide extraction fractions soybean oil triacylglycerols
<
2014/2/24
Soybean oil fractions were obtained by collecting the extract at different time intervals during supercritical carbon dioxide extraction. The extraction was performed at the following temperatures: 31...
Quality of wheat germ oil obtained by cold pressing and supercritical carbon dioxide extraction
fatty acid profile α -tocopherol
<
2014/2/24
Laboratory-prepared wheat germ oil was obtained by cold pressing and supercritical CO2 extraction. The main objective was to compare the quality of both oil samples obtained, with emphasis on their fa...
Effect of pressure on the Maillard reaction between ribose and cysteine in supercritical carbon dioxide
supercritical carbon dioxide (SC-CO2) pressure Maillard reaction ribose cysteine volatiles
<
2014/2/27
An aqueous ribose-cysteine model system, heated at 140°C under supercritical carbon dioxide (SC-CO2) and supercritical nitrogen (SC-N2), was investigated with emphasis on the formation of volatile com...
牡丹籽油超临界二氧化碳萃取工艺（Supercritical Carbon Dioxide Extraction of Paeonia suffruticosa Andr. Seed Oil）
牡丹籽油 超临界二氧化碳萃取 中心复合设计
<
2009/12/28
以牡丹籽为原料，利用超临界CO2萃取提取牡丹籽油。采用单因素试验对影响牡丹籽油得率的5个影响因素（筛分粒度、CO2流量、压力、温度和时间）进行考察。以油得率为响应目标，对3个主要影响因素（筛分粒度、压力和温度）运用中心复合设计法，并经响应面法优化分析得到二次多项式回归方程预测模型，确定了超临界CO2萃取牡丹籽油的最佳条件为：筛分粒度60目，CO2流量20L/h，压力35MPa，温度45℃，时间12...
Hydrogenation of Biphenyl over Charcoal-supported Metal Catalysts under Supercritical Carbon Dioxide
Biphenyl hydrogenation Supercritical carbon dioxide Hydrogen storage Rhodium charcoal catalyst
<
2009/7/24
Charcoal-supported rhodium and ruthenium catalysts were active and selective for the hydrogenation of biphenyl to bicyclohexyl at low temperature (323 K) under supercritical carbon dioxide. The conve...
pH-Dependent Inactivation of Enzymes by Microbubbling of Supercritical Carbon Dioxide
supercritical CO2 microbubbles inactivation
<
2009/7/8
The effect of pH on the inactivation of some enzymes (acid protease, alkaline protease, papain, and glucoamylase) dissolved in McIlvaine buffer by microbubble supercritical (SC) CO2 treatment was inve...
Extraction of Antioxidants in Sweetpotato Waste Powder with Supercritical Carbon Dioxide
sweetpotato waste powder
<
2009/6/17
The application of supercritical carbon dioxide (SC-CO2) extraction to waste powder derived from sweetpotato roots with orange flesh in a food processing factory was examined. The contents of antioxid...
Estimation of solubility of solids in supercritical carbon dioxide
solid supercritical fluid solubility estimation
<
2009/4/21
Estimation of solubility of solids in supercritical carbon dioxide.
Starch Structures and Physicochemical Properties of a Novel ß-glucan-enriched Oat Hydrocolloid Product with and without Supercritical Carbon Dioxide Extraction5
Oat bran starch ß -glucan physicochemical lipid extraction hydrocolloid
<
2008/11/1
Starch structures and physicochemical properties of C-trim30, a ß-glucan-enriched oat product (32% ß-glucan), with or without supercritical carbon dioxide extraction (SCD) were studied to ...