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Correlations for Densities of Aqueous Electrolyte Solutions

02-Feb-2016 | Nguyen H. Nguyen; Fazle Hussain; Chau-Chyun Chen, Journal of Chemical & Engineering Data, 2016

We present simple %-level accuracy universal correlations for densities of aqueous electrolyte solutions at 298.15 K and 0.1 MPa. The developed expressions and parameters are based on 1032 experimental density data points for 56 aqueous single electrolyte solutions including chlorides, bromides, ...

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Density Measurement and Modeling of CO2−Brine System at Temperature and Pressure Corresponding to Storage Conditions

01-Feb-2016 | Yi Zhang; Tongtong Li; Baixin Chen; Masahiro Nishio; Yongchen Song, Journal of Chemical & Engineering Data, 2016

The densities of CO2 solution of the brine from Teikoku Oil Field located at Niigata Prefecture in Japan are measured by a magnetic suspension balance at temperatures from 303.15 to 323.15 K, pressures from 10 to 20 MPa, and CO2 mole fractions of 0, 0.0038, 0.0040, 0.0087, 0.0100, and 0.0160. ...

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Determination of the Solid–Liquid Phase Diagram of the Binary System Propionic Acid/Water

28-Jan-2016 | Thouaïba Htira; Claudia Cogné; Emilie Gagnière; Denis Mangin, Journal of Chemical & Engineering Data, 2016

Solid–liquid phase diagram of the system water/propionic acid was achieved using two methods, the differential scanning calorimetry and a synthetic method. The liquidus curve is a simple eutectic diagram (89 wt % at 243 K) with an “S-shaped” form due to an inflection point (occurring at around ...

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Separation of Succinic Acid from Aqueous Solution by Macroporous Resin Adsorption

28-Jan-2016 | Zhu Sheng; Bo Tingting; Chen Xuanying; Wang Xiangxiang; Long Mengdi, Journal of Chemical & Engineering Data, 2016

Attempts were made to recover succinic acid from aqueous solution by macroporous resin adsorption. The adsorption properties of succinic acid on seven different resins (HPD-300, HPD-400, HPD-450, HPD-500, HPD-826, AB-8, and NKA-9) were compared systematically. According to the adsorption ...

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Experimental Clathrate Hydrate Dissociation Data for Systems Comprising Refrigerant + CaCl2 Aqueous Solutions

14-Jan-2016 | Peterson Thokozani Ngema; Paramespri Naidoo; Amir H. Mohammadi; Dominique Richon; Deresh Ramjugernath, Journal of Chemical & Engineering Data, 2016

Hydrate dissociation data are presented for systems of refrigerants (R134a, R410a, and R507) + water + CaCl2 at varying salt concentrations. The R134a + water + CaCl2 system was measured at salt concentrations of (0, 0.358, 0.591, and 0.756) mol·kg–1 in the temperature range of (276.2 to 283) K ...

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Phase Equilibria of CO2 Hydrate Formation in Glucoamylase Aqueous Solutions

07-Jan-2016 | Jing Bai; Lu Zhang; Jing Li; Teng-bo Liang; Chun Chang; Shu-qi Fang; Xiu-li Han; Deqing Liang, Journal of Chemical & Engineering Data, 2016

In this research, the effects of water-soluble glucoamylase at four concentrations of 2.79, 5.58, 13.95, and 27.9 wt % on CO2 hydrate formation phase equilibrium have been investigated. Traditional isochoric method was employed in 300 mL autoclave to provide these phase equilibrium data. The ...

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Solid–Liquid Equilibria in the Quinary system Na+, K+//Cl–, Br–, SO42––H2O at 373 K

04-Jan-2016 | Rui-Zhi Cui; Shi-Hua Sang; Qian Liu, Journal of Chemical & Engineering Data, 2016

Solid–liquid equilibria in the quinary system Na+, K+//Cl–, Br–, SO42––H2O at 373 K were measured by the isothermal solution saturation method, and the equilibrium solid phases, solubilities and densities of saturated solutions were determined experimentally. Using the experimental results, the ...

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Phase Diagrams of the Quaternary System NaCl–MgCl2–NH4Cl in Water at 0 and 25 °C and Their Application

04-Jan-2016 | Shuai-Yong Dou; Hong-Fei Guo; Bin Zhao; Chun-Yan Xue; Ji-Lin Cao, Journal of Chemical & Engineering Data, 2016

On the basis of the comprehensive utilization of the Na–Mg salt deposit, a new process to produce NaCl and ammonium carnallite (MgCl2·NH4Cl·6H2O) by using NH4Cl and the solution left after the preparation of potassium salt as raw materials was proposed. For this, the phase equilibrium of the ...

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Quantitative Raman Spectroscopic Measurements of CO2 Solubility in NaCl Solution from (273.15 to 473.15) K at p = (10.0, 20.0, 30.0, and 40.0) MPa

31-Dec-2015 | Huirong Guo; Yiqi Huang; Ying Chen; Qian Zhou, Journal of Chemical & Engineering Data, 2015

The knowledge of high pressure phase behavior of the CO2–H2O–NaCl system in a wide T–P–mNaCl range is of great interest in the injection of CO2 to deep reservoir for storage or enhancement of oil recovery (EOR). The calculation of CO2 solubility in brine is very important to predict the CO2 ...

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Solubility and Dissolution Thermodynamics for 1,3,5-Trichlorobenzene in Organic Solvents

08-Dec-2015 | Rongrong Li; Jian Wang; Renjie Xu; Cunbin Du; Shuo Han; Long Meng; Hongkun Zhao, Journal of Chemical & Engineering Data, 2015

The solubility of 1,3,5-trichlorobenzene in n-propanol, isopropyl alcohol, n-butanol, isobutyl alcohol, cyclohexane, toluene, ethyl acetate, and acetone were obtained experimentally in temperatures ranging from (273.15/280.65 to 308.15) K under a pressure of 0.1 MPa with a chromatographic method. ...

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