Kenji Sumida, David L. Rogow, Jarad A. Mason, Thomas M. McDonald, Eric D. Bloch, Zoey R. Herm, Tae-Hyun Bae, Jeffrey R. Long

Carbon Dioxide Capture in Metal–Organic Frameworks

Photoinduced reactivity of titanium dioxide

Overview of membrane science and technology membrane transport theory membrane and modules concentration polarization reverse osmosis ultrafiltration microfiltration gas separation pervaporation ion exchange membrane processes - electrodialysis carrier facilitated transport medical applications of membranes other membranes processed.

Membrane Technology and Applications

Conceptions for heat transfer correlation of nanofluids

Generations Yi Ma,† Xiuli Wang,† Yushuai Jia,† Xiaobo Chen,‡ Hongxian Han,*,† and Can Li*,† †State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences and Dalian National Laboratory for Clean Energy, 457 Zhongshan Road, Dalian 116023, China ‡Department of Chemistry, College of Arts and Sciences, University of Missouri-Kansas City, 5100 Rockhill Road, Kansas City, Missouri 64110, United States

Titanium dioxide-based nanomaterials for photocatalytic fuel generations.

Heteroepitaxial growth of diamond on c-BN in a microwave plasma

An FAU-type zeolite contains pores which are larger than those of an MFI-type zeolite. Thus, membranes that are synthesized from these zeolites behave differently in terms of the separation of hydr...

Vapor Permeation Properties of an NaY-Type Zeolite Membrane for Normal and Branched Hexanes

Effect of carbon source on formation of vapor-grown carbon fiber

Holdup of gas bubbles and longitudinal dispersion coefficient of solid particles were measured in 3.2, 7.9, 12.0 and 19.5cm inside-diameter fluid beds of F.C.C. particles. Holdup of gas bubbles based on the emulsion bed height (Le) was dependent on superficial gas velocity (uf) and bed diameter (DT). Le was determined as the bed height obtained by extrapolating the constant rate sedimentation curve to zero time. In the range of Uf ?? 2 cm/sec, Le did not vary with uf and DT, and it was about 9% larger than the completely settled bed height for the particles used in this experiment. The experimental and literature data of the longitudinal dispersion coefficient of F.C.C.particles based on the mean density of fluidizing bed (E*s) were correlated with Peclet number (Pe=uf DT/E*s), Froude number (Fr=uf/√gDT ) and (DT+0.23), and the following empirical equation was obtained for bed diameter ranging from 0.032 to 1.5 m. Pe=19(DT+0.23)Fr/(1+6.5Fr0.8)where the unit of DT is meters.

Holdup of gas bubbles and longitudinal dispersion coefficient of solid particles in fluid-bed contactors for gas-solid systems

The characteristics of bipolar packed-bed electrodes were studied by using copper deposition reaction from a copper sulfate solution. Ferrite pellets were used as a particulate phase and were packed in three kinds of mode. The Faradaic current in the particulate phase, the by-pass current in the electrolyte phase and the short-circuiting current were measured separately. The minimum bipolar cell voltage was a function of decomposition voltage, distance between two plate electrodes, pellet diameter, and solid holdup. For regularly packed bipolar electrodes, the interaction between Faradaic and by-pass current was small, and a simplified parallel current model is proposed. For randomly packed bipolar electrodes, the interaction was not negligible at higher cell voltages. The minimum value of energy consumption was observed at a particular cell voltage which was a function of pellet size and packing mode. Because of increase in the short-circuiting current due to copper deposition, the energy consumption in the randomly packed bed increased with increase in electrolysis time. The regularly packed bed where the direction of current was parallel to the plain faces of the pellets was found to be the most efficient under the present experimental conditions.

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Shigeharu Morooka

Papers

Heteroepitaxial growth of diamond on c-BN in a microwave plasma

Vapor Permeation Properties of an NaY-Type Zeolite Membrane for Normal and Branched Hexanes

Effect of carbon source on formation of vapor-grown carbon fiber

Holdup of gas bubbles and longitudinal dispersion coefficient of solid particles in fluid-bed contactors for gas-solid systems

Current paths and electrolysis efficiency in bipolar packed-bed electrodes