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Journal Articles

Effect of citrate-based non-toxic solvents on poly(vinylidene fluoride) membrane preparation $$via$$ thermally induced phase separation

Sawada, Shinichi; Ursino, C.*; Galiano, F.*; Simone, S.*; Drioli, E.*; Figoli, A.*

Journal of Membrane Science, 493, p.232 - 242, 2015/11

 Times Cited Count:33 Percentile:12.12(Engineering, Chemical)

The replacement of commonly-used substances with non-toxic equivalents is attracting a great amount of attention in membrane preparation processes. In order to address this issue, we prepared porous poly(vinylidene fluoride) (PVDF) membranes via thermally-induced phase separation using the following non-toxic Citroflex as solvents: acetyl tributyl citrate (ATBC); acetyl triethyl citrate (ATEC); and triethyl citrate (TEC). The pore size of the membranes increased in the following solvent order of ATBC $$<$$ ATEC $$<$$ TEC, which is the same trend of the PVDF/solvent affinity. During the phase separation process, high-affinity solvent molecules should have enough molecular mobility and easily gather with each other to form the large solvent rich phases, thereby producing the large pores. In the pure water microfiltration test using the PVDF membranes, the water permeability can be controlled in the wide range, depending on the pore size.

Journal Articles

Two disordered phases; Macroscopic fluid-liquid phase separation in phosphorus

Katayama, Yoshinori

Nippon Butsuri Gakkai-Shi, 60(6), p.456 - 460, 2005/06

By means of in-situ high-temperature and high-pressure experiment, we found two distinct structures of molten phosphorus, one is a molecular fluid and the other is a polymeric liquid, and an abrupt and reversible structural transformation between them at about 1 GPa. Further investigations revealed that the two structures have different densities and they separate macroscopically during the transformation. These results support a view that this change is an extremely rare example of a first-order phase transition between two stable disordered phases besides liquid-gas transition.

Journal Articles

Separation technologies on thermochemical water-splitting iodine-sulfur process

Kubo, Shinji; Yoshida, Mitsunori; Sakurai, Makoto*; Tanaka, Kotaro*; Miyashita, Reiko*

Bunri Gijutsu, 35(3), p.148 - 152, 2005/05

no abstracts in English

Journal Articles

Small-angle scattering on soft matter with dynamical asymmetry

Koizumi, Satoshi

Journal of Applied Crystallography, 36(Part3,2), p.381 - 388, 2003/06

no abstracts in English

Journal Articles

Tensile property changes due to phase decomposition in duplex cast stainless steel

Miura, Takayuki*; Kuwano, Hisashi*; Kikuchi, Kenji

Tetsu To Hagane, 87(2), p.31 - 36, 2001/02

no abstracts in English

Journal Articles

Phase transitions, diffuse scattering and segregation kinetics in the colossal magnetoresistance material Pr$$_{70}$$Ca$$_{30}$$MnO$$_{3}$$

Katano, Susumu; Fernandez-Baca, J. A.*; Yamada, Yasusada

Physica B; Condensed Matter, 276-278, p.786 - 787, 2000/03

 Times Cited Count:9 Percentile:50.68(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Surface of dense phase in lattice-gas fluid with long-range interaction

Ebihara, Kenishi; Watanabe, Tadashi; Kaburaki, Hideo

Int. J.Modern Phys. C, 9(8), p.1417 - 1427, 1998/00

 Times Cited Count:2 Percentile:78.76(Computer Science, Interdisciplinary Applications)

no abstracts in English

JAEA Reports

Study of phase separation using liquid-gas model of lattice-gas cellular automata

Ebihara, Kenishi; Watanabe, Tadashi; Kaburaki, Hideo

JAERI-Research 97-043, 26 Pages, 1997/07

JAERI-Research-97-043.pdf:1.4MB

no abstracts in English

Journal Articles

Phase separation in flow fields using a liquid-gas model of the lattice-gas

Ebihara, Kenishi; Watanabe, Tadashi; Kaburaki, Hideo

Dai-11-Kai Suchi Ryutai Rikigaku Shimpojiumu Koen Rombunshu, p.239 - 240, 1997/00

no abstracts in English

Journal Articles

Pattern formation by the liquid-gas model of the cellular automaton fluid

Ebihara, Kenichi; Watanabe, Tadashi;

Dai-10-Kai Suchi Ryutai Rikigaku Shimpojiumu Koen Rombunshu, p.280 - 281, 1996/12

no abstracts in English

JAEA Reports

None

; Kobayashi, Hiroaki; Masaki, Toshio; *; ; ;

PNC-TN8440 94-028, 173 Pages, 1994/06

None

Journal Articles

Diffuse scattering of neutron

Nippon Kessho Gakkai-Shi, 26(1), p.87 - 99, 1984/00

no abstracts in English

Journal Articles

Crossover phenomenon in dynamical scaling of phase separation in Fe-Cr alloy

;

Physical Review Letters, 52(10), p.835 - 838, 1984/00

 Times Cited Count:132 Percentile:2.76(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

A Simulation procedure for multicomponent distillation column within which three phases of vapor and two partially immiscible liquids are present

; *; *

J.Chem.Eng.Jpn., 16(6), p.513 - 516, 1983/00

 Times Cited Count:5 Percentile:29.77(Engineering, Chemical)

no abstracts in English

Journal Articles

Decomposition kinetics in iron-chromium alloys

;

Physica B; Condensed Matter, 120, p.392 - 396, 1983/00

no abstracts in English

Journal Articles

Neutron small-angle scattering study of the decomposition of an Fe-Cr alloy in the unstable state

;

Journal of the Physical Society of Japan, 51(2), p.347 - 348, 1982/00

 Times Cited Count:12 Percentile:21.28(Physics, Multidisciplinary)

no abstracts in English

Oral presentation

Durability of centrifugal contactors under sludge inclusion condition, 3; Effect of sludge accumulation on fluidic performance

Sakamoto, Atsushi; Takeuchi, Masayuki; Ogino, Hideki; Koizumi, Kenji; Sawahata, Osamu*; Sakamoto, Yukio*; Akutsu, Koichi*

no journal, , 

no abstracts in English

Oral presentation

A Study on two-phase separation in ${it N}$,${it N}$-dialkylamides-nitric acid systems by turbidity measurement, 2; The Correlation between turbidity and the distribution ratio of uranium

Tsutsui, Nao; Ban, Yasutoshi; Hakamatsuka, Yasuyuki; Urabe, Shunichi; Matsumura, Tatsuro

no journal, , 

The turbidity of the agitated solutions of ${it N}$,${it N}$-di(2-ethylhexyl)-butanamide (DEHBA) in dodecane and uranyl nitrate in 3 M HNO$$_{3}$$ was measured for 30 min. The variation of the distribution ratio of uranium after stopping the agitation was also measured, and the correlation between the turbidity and the distribution ratio was studied. The turbidity and the distribution ratio of uranium at 3 min after stopping the agitation was more than 1000 FTU and 1.7, respectively, when the initial uranium concentration was 700 mM. The turbidity at 6 min decreased to 363 FTU, while the distribution rate increased to 2.2. Although the turbidity after 6 min decreased gradually, the distribution ratio barely changed. The correlation between the turbidity and the distribution ratio is discussed.

Oral presentation

Durability of centrifugal contactors under sludge inclusion condition, 5; Effect of scale up on fluidic performance under sludge accumulation condition

Sakamoto, Atsushi; Sano, Yuichi; Takeuchi, Masayuki; Ito, Kazuyuki*; Sekita, Satoshi*; Sakamoto, Yukio*; Akutsu, Koichi*

no journal, , 

no abstracts in English

21 (Records 1-20 displayed on this page)