Search Results - "Heldebrant, David J"

Homogeneous Hydrogenation of CO2 to Methyl Formate Utilizing Switchable Ionic Liquids by Yadav, Mahendra, Linehan, John C, Karkamkar, Abhijeet J, van der Eide, Edwin, Heldebrant, David. J

“…Combined capture of CO2 and subsequent hydrogenation allows for base/methanol-promoted homogeneous hydrogenation of CO2 to methyl formate. The CO2, captured as…”
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Aqueous phase reforming of glycerol for hydrogen production over Pt–Re supported on carbon by King, David L., Zhang, Liang, Xia, Gordon, Karim, Ayman M., Heldebrant, David J., Wang, Xianqin, Peterson, Tom, Wang, Yong

“…Hydrogen production from the aqueous phase reforming of glycerol over 3%Pt–Re/C (1 and 3% Re) has been studied in the absence and presence of base, and the…”
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The Effects of Chemical Additives on the Induction Phase in Solid-State Thermal Decomposition of Ammonia Borane by Heldebrant, David J, Karkamkar, Abhi, Hess, Nancy J, Bowden, Mark, Rassat, Scot, Zheng, Feng, Rappe, Kenneth, Autrey, Tom

“…The thermal decomposition of ammonia borane (AB) in the absence and presence of chemical additives was investigated to develop an approach for reducing the…”
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Switchable Solvents Consisting of Amidine/Alcohol or Guanidine/Alcohol Mixtures by Phan, Lam, Chiu, Daniel, Heldebrant, David J, Huttenhower, Hillary, John, Ejae, Li, Xiaowang, Pollet, Pamela, Wang, Ruiyao, Eckert, Charles A, Liotta, Charles L, Jessop, Philip G

“…Liquids that consist of a mixture of an alcohol and either an amidine or a guanidine have been developed to switch from a low-polarity form to a high-polarity…”
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In Situ Multinuclear NMR Spectroscopic Studies of the Thermal Decomposition of Ammonia Borane in Solution by Shaw, Wendy J, Linehan, John C, Szymczak, Nathaniel K, Heldebrant, David J, Yonker, Clem, Camaioni, Donald M, Baker, R. Tom, Autrey, Tom

“…Looking to the future: The decomposition in solution of a potential hydrogen‐storage compound, ammonia borane (AB), was investigated by in situ 11B NMR…”
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Editorial: Rising stars in carbon capture, utilization and storage: 2022 by Wang, Tao, Gaffney, Anne Mae, Heldebrant, David J.

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Dynamic Acid/Base Equilibrium in Single Component Switchable Ionic Liquids and Consequences on Viscosity by Cantu, David C, Lee, Juntaek, Lee, Mal-Soon, Heldebrant, David J, Koech, Phillip K, Freeman, Charles J, Rousseau, Roger, Glezakou, Vassiliki-Alexandra

“…The deployment of transformational nonaqueous CO2-capture solvent systems is encumbered by high viscosities even at intermediate uptakes. Using single-molecule…”
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Reversible Uptake of COS, CS2, and SO2: Ionic Liquids with O‐Alkylxanthate, O‐Alkylthiocarbonyl, and O‐Alkylsulfite Anions by Heldebrant, David J., Yonker, Clement R., Jessop, Philip G., Phan, Lam

“…CO2‐binding organic liquids (CO2BOLs) are mixtures of a base (typically an amidine or guanidine) and an alcohol, and have been shown to reversibly capture and…”
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Liquid Poly(ethylene glycol) and Supercritical Carbon Dioxide:  A Benign Biphasic Solvent System for Use and Recycling of Homogeneous Catalysts by Heldebrant, David J, Jessop, Philip G

“…Poly(ethylene glycol) (PEG), having a molecular weight of 900 or 1500, is a solid at room temperature but a nonvolatile liquid at 40 °C under CO2 pressure…”
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Water-Lean Solvents for Post-Combustion CO2 Capture: Fundamentals, Uncertainties, Opportunities, and Outlook by Heldebrant, David J, Koech, Phillip K, Glezakou, Vassiliki-Alexandra, Rousseau, Roger, Malhotra, Deepika, Cantu, David C

“…This review is designed to foster the discussion regarding the viability of postcombustion CO2 capture by water-lean solvents, by separating fact from fiction…”
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Next steps for solvent-based CO2 capture; integration of capture, conversion, and mineralisation by Heldebrant, David J, Kothandaraman, Jotheeswari, Niall Mac Dowell, Brickett, Lynn

“…In this perspective, we detail how solvent-based carbon capture integrated with conversion can be an important element in a net-zero emission economy. Carbon…”
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Catalytic coproduction of methanol and glycol in one pot from epoxide, CO2, and H2 by Kothandaraman, Jotheeswari, Heldebrant, David J

“…An atom (100%) and energy-efficient approach to coproduce two commodity chemicals, methanol and glycol, has been demonstrated for the first time using H2, CO2,…”
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Neutron Powder Diffraction and Molecular Simulation Study of the Structural Evolution of Ammonia Borane from 15 to 340 K by Hess, Nancy J, Schenter, Gregory K, Hartman, Michael R, Daemen, Luc L, Proffen, Thomas, Kathmann, Shawn M, Mundy, Christopher J, Hartl, Monika, Heldebrant, David J, Stowe, Ashley C, Autrey, Tom

“…The structural behavior of 11B-, 2H-enriched ammonia borane, ND3 11BD3, over the temperature range from 15 to 340 K was investigated using a combination of…”
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Catalytic coproduction of methanol and glycol in one pot from epoxide, CO 2 , and H 2 by Kothandaraman, Jotheeswari, Heldebrant, David J

“…An atom (100%) and energy-efficient approach to coproduce two commodity chemicals, methanol and glycol, has been demonstrated for the first time using H , CO ,…”
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Next steps for solvent-based CO 2 capture; integration of capture, conversion, and mineralisation by Heldebrant, David J, Kothandaraman, Jotheeswari, Dowell, Niall Mac, Brickett, Lynn

“…In this perspective, we detail how solvent-based carbon capture integrated with conversion can be an important element in a net-zero emission economy. Carbon…”
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Integrated Capture and Conversion of CO2 to Methanol in a Post‐Combustion Capture Solvent: Heterogeneous Catalysts for Selective CN Bond Cleavage by Kothandaraman, Jotheeswari, Lopez, Johnny Saavedra, Jiang, Yuan, Walter, Eric D., Burton, Sarah D., Dagle, Robert A., Heldebrant, David J.

“…An efficient and selective heterogeneous catalyst is identified for the condensed‐phase hydrogenation of captured CO2 in the presence of an advanced water‐lean…”
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Integrated Capture and Conversion of CO2 to Methane Using a Water‐lean, Post‐Combustion CO2 Capture Solvent by Kothandaraman, Jotheeswari, Saavedra Lopez, Johnny, Jiang, Yuan, Walter, Eric D., Burton, Sarah D., Dagle, Robert A., Heldebrant, David J.

“…Integrated carbon capture and conversion of CO2 into materials (IC3M) is an attractive solution to meet global energy demand, reduce our dependence on fossil…”
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A Techno-Economic Analysis of a Novel Solvent-Based Oxycombustion CO2 Capture Process by Cabral, Renato P, Heldebrant, David J, Mac Dowell, Niall

“…The gas processing unit (GPU) has previously been identified as the least thermodynamically efficient element of an oxycombustion process. A marginal…”
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In Situ Raman Methodology for Online Analysis of CO2 and H2O Loadings in a Water-Lean Solvent for CO2 Capture by Lines, Amanda M., Barpaga, Dushyant, Zheng, Richard F., Collett, James R., Heldebrant, David J., Bryan, Samuel A.

“…Carbon capture represents a key pathway to meeting climate change mitigation goals. Powerful next-generation solvent-based capture processes are under…”
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Tetrameric self-assembling of water-lean solvents enables carbamate anhydride-based CO2 capture chemistry by Leclaire, Julien, Heldebrant, David J., Grubel, Katarzyna, Septavaux, Jean, Hennebelle, Marc, Walter, Eric, Chen, Ying, Bañuelos, Jose Leobardo, Zhang, Difan, Nguyen, Manh-Thuong, Ray, Debmalya, Allec, Sarah I., Malhotra, Deepika, Joo, Wontae, King, Jaelynne

“…Carbon capture, utilization and storage is a key yet cost-intensive technology for the fight against climate change. Single-component water-lean solvents have…”
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