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Environment

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Displaying 451 - 475 of 1014

Flexible Metal Organic Framework Compound, Ni(1,2-bis(4-pyridyl)ethylene)[Ni(CN)4]n, for CO2 Sorption Applications

April 7, 2013
Author(s)
Winnie K. Wong-Ng, Jeffrey T. Culp, Yu-Sheng Chen, Laura Espinal, Andrew J. Allen, Daniel W. Siderius, Craig M. Brown, Wendy Queen, Peter Zavalij, Christopher Matranga
New sorbent materials are required for carbon capture because coal-fired electrical power plants, the largest emitters of this greenhouse gas, will continue to produce much of our nation’s electricity for at least several decades. Within the family of

Improved Synthesis and Crystal Structure of the Flexible Pillared Layer Porous Coordination Polymer: Ni(1,2-bis(4-pyridyl)ethylene)[Ni(CN)4]

April 4, 2013
Author(s)
Winnie K. Wong-Ng, Jeffrey T. Culp, Yu-Sheng Chen, Peter Zavalij, Laura Espinal, Daniel W. Siderius, Andrew J. Allen, Steve Scheins, Christopher Matranga
A new method of synthesis was developed for the flexible coordination polymer Ni(L)[Ni(CN)4], L=1,2-bis(4-pyridyl)ethylene (bpene) to increase its CO2 sorption uptake. The structure of the newly synthesized bpene has been determined by synchrotron X-ray

Experimental Study of the Thermal Conductivity of Water +Ammonia Refrigerant Mixtures at Temperatures from 278 K to 356 K and at Pressures up to 20 MPa

February 28, 2013
Author(s)
F. N. Shamsetdinov, Z. I. Zaripov, Ilmutdin M. Abdulagatov, Marcia L. Huber, F. M. Gumerov, F. R. Gabitov, Andrei F. Kazakov
The thermal conductivity of binary water + ammonia mixtures was measured over the temperature range from 278 K to 356 K and at pressures up to 20 MPa using the steady-state hot-wire method. Measurements were made for eight compositions over the entire

Crystal Structure of NaY Zeolite with Adsorbed CO2 by Neutron Powder Diffraction

January 29, 2013
Author(s)
Winnie K. Wong-Ng, James A. Kaduk, Qingzhen Huang, Laura Espinal, Martin L. Green
The crystal structure of dehydrated NaY zeolite (Na-FAU structure type) with and without adsorbed CO2 has been determined at room temperature (RT) and at 4 K using neutron powder diffraction techniques. The CO2-containing sample was prepared at -78 °C and

Refrigerant Properties for Heat Transfer Analysis

January 27, 2013
Author(s)
Mark O. McLinden
Presentation at 2013 Winter Annual Meeting of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Dallas, Texas, January 27, 2013. The importance of fluid properties for heat transfer analysis in refrigeration
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