Hydrodynamics and particle attrition and entrainment measurements for the spouting of fine particles were carried out in a conical-based cylindrical bed of diameter 0.
在直径 186mm的喷动床中考察了细颗粒 (dp=0 2 41～ 0 874mm)体系的流体力学性质及夹带和磨损特性 。
The rule of the distributor of entrainment particles in the dilute phase of turbulent fluidized bed has been studied in Φ1 200×12 000/Φ1 000×5 000 large FCC regenerator.
在一套 Φ1 2 0 0 mm× 1 2 0 0 0 mm/Φ1 0 0 0 mm× 5 0 0 0 mm的大型有机玻璃流化床中考察了 FCC催化剂在稀相区夹带粒度分布的情况 ,得出夹带颗粒与稀相高度及表观气速的分布规律 ,即随着高度的上升 ,小颗粒所占分率逐渐增多 ,大颗粒所占分率逐渐减小。
Using different hollow fiber membrane modules, the entrainment of extractant in membrane extraction process was invesigated.
本文以３０％ＴＢＰ（煤油）／苯酚／水为实验体系在不同的膜器中对膜萃取过程中料液对萃取剂的夹带，即溶剂的二次污染进行了研究。
Influence of entrainers on supercritical CO_2 extracting and crystallizing andrographolide;
夹带剂对超临界CO_2萃取结晶穿心莲内酯的影响
Summary of entrainers of supercritical extraction;
超临界萃取中夹带剂的概述
Application Of Entrainer In Extracting Available Components In Tobacco By Supercritical Fluid;
夹带剂在超临界萃取烟草有效成分中的应用
Research of entrainment and tray pressure drop of new directed bridge valve trays;
新型导向桥阀塔板的雾沫夹带和塔板压降
Equations of hydraulic parameters such as pressure drop,weeping and entrainment were regressed.
采用空气-富氧水体系,在φ1200 mm不锈钢塔内,对百叶窗式喷射塔板的流体力学与传质性能进行了测试,回归了压降、泄漏、雾沫夹带等计算关联式,并与新垂直筛板进行了对比实验。
The results show that HEFV tray possesses a little higher pressure drop,less entrainment,lower weeping and higher efficiency than sieve tray as well as lower pressure drop,less entrainment,higher weeping and higher.
结果表明,HEFV固阀塔板的压降介于筛孔塔板与F1浮阀塔板之间,雾沫夹带率低于筛孔塔板和F1浮阀塔板,泄漏率比筛孔塔板低,比F1浮阀塔板高,传质效率优于筛孔塔板和F1浮阀塔板。
Entrainers Applied in Supercritical Extraction of Tobacco;
夹带剂在烟草超临界萃取中的应用
The composition of the oil in the extraction at the different entrainers were investigated by gas chromatography.
研究了用超临界CO2萃取方法提取桂花油的工艺条件,考察了萃取时间、温度、压力、夹带剂对桂花油收率的影响,并且借助气相色谱考察了采用不同夹带剂时所得桂花油成分的变化。
A flow apparatus for measuring the solubility of a solid solute in a supercritical fluid with a small amount of entrainers was established.
在超临界CO_2中分别采用乙醇、丙酮、正己烷作夹带剂,并在压力10-30MPa;温度308-318K下测定了联苯、二苯胺和苯甲酸的溶解度。
Study on solute solubility in supercritical CO_2 with cosolvent;
夹带剂作用下溶质在超临界CO_2中溶解度的研究
Calculation of solid solute solubility in supercritical carbon dioxide with cosolvent;
固体溶质在含夹带剂超临界CO_2中溶解度的计算
Effects of Cosolvent on Supercritical CO_2 Extraction of Yolk Oil;
夹带剂在超临界CO_2萃取蛋黄油中作用的研究
Supercritical carbon dioxide extraction of lutein ester from marigold(Tagetes erect L.)with continuous co-solvent;
动态夹带剂强化超临界CO_2萃取万寿菊中叶黄素
This paper reviews comprehensively the machinary and methods of co-solvent added in the supercritical CO2 for extraction of natural products.
综述了夹带剂在超临界CO2萃取天然产物中的作用机理、使用方法、夹带剂的种类,以及夹带剂在提取生物碱、酚酸、皂苷、黄酮、脂肪酸等天然产物中的应用。
In the experiment,hydraulic properties,such as tray pressure drop,entrainment rate,and weeping rate were measured,and mass transfer efficiency was determined through the method of oxygen–absorptions.
在1000mm×350mm规格的实验塔中,应用典型的水—空气冷模实验系统对浮阀鼓泡器塔盘进行了实验研究,测定了多种气液负荷下的塔板压降、雾沫夹带和泄漏量等流体力学性能。
From the experiment,many hydraulic properties,such as tray pressure drop,entrainment rate,weeping rate and tray efficiency, were measured and mass transfer efficiency wa.
在1000 mm×350 mm规格的实验塔中,以典型的水-空气冷模实验系统,对锯齿边窄条阀STV75塔盘和F1圆形浮阀塔盘进行了对比实验,测定了多种气液负荷下的压降、雾沫夹带、泄漏量等流体力学性能。
The hydraulic properties,such as tray pressure drop,entrainment rate,and weeping rate were measured,and the mass transfer efficiency was determined through the method of oxygen-absorptions.
应用典型的水-空气冷模实验系统对3D条阀、STV条阀和F1型浮阀3种条阀进行了对比实验研究,测定了多种气液负荷下3种浮阀塔板的板压降、雾沫夹带和漏液量等流体力学性能,利用氧解吸法测定了3种浮阀塔板的传质效率。
Effects of the property of modifiers on supercritical CO_2 extraction;
夹带剂性质对超临界二氧化碳萃取的影响
The best parameters of extracting seed oil of Korean pine are 35 MPa,45 ℃,180 min,5 % free-water C2H5OH as modifier.
研究超临界CO2萃取红松子油的影响因素,在试验条件下,其影响因素次序为萃取压力、夹带剂、萃取温度、萃取时间。
The updating solubility research on ternary system including solid solute, supercritical fluid and modifier are reviewed extensively in this paper, with the highlight in some useful action mechanisms and calculation models about modifier solubility enhancement.
本文对纯组分固体溶质有夹带剂存在的超临界流体三元系统中 ,夹带剂增大溶质溶解度的作用进行了总结 ,述评了夹带剂增大溶质溶解度的机理和常用的计算模型。