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Powder Flow Rate
Published in linoya Koichi, Masuda Hiroaki, Watanabe Kinnosuke, Powder and Bulk Solids Handling Processes, 2017
linoya Koichi, Masuda Hiroaki, Watanabe Kinnosuke
The oscillating U-tube is applicable to the slurry flow but not to the powder flow or gas-solid suspension flow. The powder flow will block the U-tube. The particles in the gas-solid suspension do not effectively transfer the Coriolis force to the U-tube unless the flow is extremely dense.
Properties of narrow cuts of hydrocracked kerosene for jet fuel
Published in Petroleum Science and Technology, 2023
Hugo Kittel, Kateřina Chrudimská, Daniel Kadleček, Martin Pšenička, Pavel Šimáček
To monitor the properties of the hydrocracked kerosene and narrow cuts, the following analytical methods and devices were used: Density – EN ISO 12185 and Anton Paar DMA 4000 density analyzer with an oscillating U-tube; Distillation – ASTM D86 and the OptiPMD micro-distillation device, which determines the boiling range characteristics of petroleum products in less than 10 minutes using only10 ml sample; Simulated distillation – ASTM D2887 and the Agilent 7890B gas chromatograph. Primary chromatographic data were also used for the calculation of the content of hydrocarbon groups and n-alkanes. The mean boiling point (tmean) for both distillations was calculated as the arithmetic mean of the points on the distillation curve with an assumed increment of 5 vol%; Aromatic content – ASTM D6379 high performance liquid chromatography method (HPLC) and the AGILENT 1100 liquid chromatograph; Smoke point – ASTM D1322 method, the automatic AD Systems SP 10 device and a Greisinger digital barometer; Freezing point – ASTM D5972 and the automatic analyzer Phase Technology type FPA-70Xi.
Comparison of Cyclic Irradiation Behavior of Tri-Butyl Phosphate / Tri-Iso-Amyl Phosphate-Dodecane System in Nitric Acid Medium
Published in Solvent Extraction and Ion Exchange, 2023
Satyabrata Mishra, N. Desigan, K. A. Venkatesan, K. Ananthasivan
The density of the unirradiated and recycled organic phases before each cycle of irradiation as a function of temperature were measured using Anton Paar (Austria) DMA-4500 oscillating U-tube density meter (with automatic viscosity correction). Prior to measurement, the instrument was first calibrated using Millipore water and dry air at atmospheric pressure. The detailed procedure is elaborated elsewhere.[10] The densitometer can measure the density of solutions with an accuracy of ±5 × 10−5 g. mL−1 and each measurement had a repeatability of ±1 × 10−5 g. mL−1.
Density and viscosity of binary mixtures of diethyl oxalate with ethanol, ethyl acetate, tetrahydrofuran, and toluene
Published in Journal of the Chinese Institute of Engineers, 2019
Mei-Jyun Lin, Chie-Shaan Su, Tsung-Mao Yang, Jin-Shuh Li
In the present study, the densities and viscosities of binary mixtures of DEO with ethanol, ethyl acetate (EA), tetrahydrofuran (THF), and toluene were measured at temperatures ranging from 303.15 to 323.15 K and at atmospheric pressure. Ethanol, EA, THF, and toluene are solvents belonging to Class 2 or Class 3 solvent systems according to International Council on Harmonisation Q3C guideline for residual solvents in pharmaceutical products. These solvents are relatively safe and acceptable for practical use in the pharmaceutical industry. In the literature, the mixture density data are frequently measured by oscillating U-tube method (Luning Prak et al. 2018; Sirbu et al. 2019; Masum Billah et al. 2018) and pycnometer (Hossain, Akhtar, and Verpoort 2018; Zhang et al. 2018; Yue et al. 2018), while the viscosities are commonly determined by rolling ball method (Sirbu et al. 2019), Couette measuring method (Luning Prak et al. 2018; Masum Billah et al. 2018), and capillary viscometer (Hossain, Akhtar, and Verpoort 2018; Zhang et al. 2018; Yue et al. 2018). In this study, an oscillating U-tube density meter and Cannon–Fenske type capillary viscometer were used to measure the density and viscosity data, respectively. Among the four binary mixtures, according to the National Institute of Standards and Technology Literature Report Builder for Thermophysical and Thermochemical Property Measurements, and Web of Science, only the density and viscosity data of DEO with the ethanol and toluene have been reported at 303.15 K (Pan, Tang, and Chen 2000; Diwedi and Singh 2007). New densities and viscosities of DEO with the ethanol, and DEO with the toluene at 313.15 and 323.15 K are presented in this paper. Moreover, new density and viscosity data of the binary mixtures of DEO with EA and THF at 303.15, 313.15, and 323.15 K are also reported.