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Binary system
About: Binary system is a research topic. Over the lifetime, 5788 publications have been published within this topic receiving 97882 citations.
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TL;DR: In this paper, phase relations in the binary system between SiO2-P2O5 and SiO 2 were investigated by the quenching method using sealed platinum tubes to prevent the loss of P 2O5.
Abstract: Phase relations in the binary system between SiO2-P2O5 and SiO2 were investigated by the quenching method using sealed platinum tubes to prevent the loss of P2O5. The compound Si02-P2O5 exists in two forms, the low-temperature β form inverting sluggishly but reversibly to the high-temperature β form at 1030°C. The β form melts congruently at 1290°C. The compound 2SiO2-P2O5 melts incongruently at 1120°C to a silica-rich liquid and SiOa-P2O5. In the region between 5 and 25 mole % PO2, reactions were so sluggish that no data could be obtained by quenching.
74 citations
TL;DR: In this paper, the high pressure fluid phase behavior of binary mixtures of octacosane and CO/sub 2/ was experimentally investigated and the solubility data were obtained by two different experimental techniques.
Abstract: The high-pressure fluid phase behavior of binary mixtures of octacosane and CO/sub 2/ is experimentally investigated. Solubilities of octacosane in supercritical CO/sub 2/ and mixture molar volumes are determined for isotherms of 34.7, 45.4, 50.2, and 52.0/sup 0/C over a range of pressures from 80 to 325 atm. The solubility data are obtained by two different experimental techniques. The pressure-temperature projection of the two branches of the three-phase solid-liquid-gas freezing point depression curve is also determined. The octacosane-CO/sub 2/ LCEP is determined as 32.2/sup 0/ C and 72.6 atm. The UCEP, which is at a pressure greater than 650 atm, could not be determined due to the pressure limitation of the experimental apparatus. Phase diagram constructions are used qualitatively to explain the observed phase behavior and to provide information on the expected phase behavior of the octacosane-CO/sub 2/ system at pressures higher than those experimentally investigated.
74 citations
TL;DR: This paper measured densities and viscosities for binary mixtures of methanol, ethanol, propan-1-ol, butan-2-ol with nitromethane at temperatures from 293.15 K to 295 K.
Abstract: Densities and viscosities were measured for the binary mixtures of methanol, ethanol, propan-1-ol, propan-2-ol, butan-2-ol, and 2-methyl-propan-2-ol with nitromethane at temperatures from 293.15 K ...
74 citations
TL;DR: In this article, the SAFT-LJ EOS is defined in terms of the residual molar Helmholtz energy, which is a sum of four terms representing the contributions from LJ segment-segment interactions, chain-forming among the LJ segments, short-range associations and long-range multi-polar interactions.
74 citations
TL;DR: In this paper, the particle diffusion rate was defined as the rate limiting mechanism in the single and binary system for phenol and aniline kinetic adsorption on both adsorbents.
Abstract: Kinetic adsorption of phenol and aniline from aqueous solution onto activated carbon and hypercrosslinked polymeric resin MN200 were evaluated in single and binary system. Larger phenol and aniline uptakes were observed for activated carbon in single as well as binary system, which can be attributed to the better physical properties of activated carbon, for instance larger surface area and micropore area. The kinetic experimental data was properly fitted by the pseudo-first and pseudo-second-order rate equations. A synergetic effect between solutes was observed since phenol and aniline sorption kinetic in binary system was faster than the individual sorption of each solute in single system, as well as a slight increase in the kinetic parameters obtained in binary system. The particle diffusion rate was defined as the rate limiting mechanism in the singles and binary system for phenol and aniline kinetic adsorption on both adsorbents. Two steps were markedly defined by the Weber and Morris intraparticle diffusion analysis for phenol and aniline onto both adsorbents. In binary systems, the intraparticle diffusion was influenced by the physical properties of adsorbents.
74 citations