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ORNL: Crystallization method offers new option for carbon capture from air

Posted at 12:22 pm January 9, 2017
By Oak Ridge Today Staff Leave a Comment

carbon_dioxide_direct_air_capture2-custelcean

Using X-ray diffraction, ORNL’s Radu Custelcean analyzed the molecular structure of the simple guanidine compound and was surprised to find carbonate, a crystal that forms when carbon dioxide from air reacts with water. (Image credit: ORNL/Genevieve Martin)

 

By Sara Shoemaker, Oak Ridge National Laboratory

Scientists at the U.S. Department of Energy’s Oak Ridge National Laboratory have found a simple, reliable process to capture carbon dioxide directly from ambient air, offering a new option for carbon capture and storage strategies to combat global warming.

Ambient air is air that completely surrounds.

Initially, the ORNL team was studying methods to remove environmental contaminants such as sulfate, chromate, or phosphate from water. To remove those negatively charged ions, the researchers synthesized a simple compound known as guanidine designed to bind strongly to the contaminants and form insoluble crystals that are easily separated from water.

In the process, they discovered a method to capture and release carbon dioxide that requires minimal energy and chemical input. Their results are published in the journal Angewandte Chemie International Edition. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: Angewandte Chemie International Edition, carbon capture, carbon dioxide, carbon dioxide capture, carbonate, Charles Seipp, CO2 Capture from Ambient Air by Crystallization with a Guanidine Sorbent, direct air capture, Genevieve Martin, global warming, greenhouse gas, guanidine, Michelle Kidder, Neil Williams, Oak Ridge National Laboratory, ORNL, Radu Custelcean, Sara Shoemaker, Spallation Neutron Source, U.S. Department of Energy, University of Tennessee, University of Texas, x-ray diffraction

ORNL United Way campaign tops $900,000, an increase from 2015

Posted at 1:18 pm September 27, 2016
By Oak Ridge Today Staff Leave a Comment

ornl-2016-united-way-campaign

Oak Ridge National Laboratory’s United Way campaign’s $900,000 “big check” with, from left, Ann Weaver, whose Facilities Management Division was the top special fundraiser; 2016 chair Sharon Kohler; co-chair Ken Tobin; Facilities and Operations Director Jimmy Stone, directorate challenge winner for large directorates; and David Keim, representing the Office of the Laboratory Director, the challenge winner for smaller directorates. (ORNL photo by Genevieve Martin)

 

The 2016 United Way campaign at the U.S. Department of Energy’s Oak Ridge National Laboratory raised $900,000—an increase of $30,000 over the 2015 campaign.

“This is a fantastic and generous offer of support from our employees, management, volunteers, and everyone who has been associated in one way or another with this year’s United Way effort,” said campaign chair Sharon Kohler.

The $900,000 total included a corporate contribution from UT-Battelle. Kohler credited the lab’s Leadership Givers, who contribute a certain percentage of their salary per pay period, for providing 65 percent of the total designated by staff through payroll deduction. There were 22 new Leadership Givers joining this year. [Read more…]

Filed Under: Community, Front Page News, Nonprofits, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: 2016 United Way campaign, Ann Weaver, David Keim, Genevieve Martin, Jimmy Stone, Ken Tobin, Oak Ridge National Laboratory, ORNL, Sharon Kohler, U.S. Department of Energy, United Way, UT-Battelle

Scientists seek new physics using ORNL’s intense neutrino source

Posted at 11:00 am June 22, 2016
By Oak Ridge Today Staff Leave a Comment

Neutrino Experiment at High Flux Isotope Reactor

The High Flux Isotope Reactor, a U.S. Department of Energy Office of Science User Facility that creates continuous neutron beams, is the site of a new neutrino experiment. Yale-led PROSPECT will probe neutrinos formed as a byproduct of radioactive decay processes. (Image credit: Oak Ridge National Laboratory, DOE/Photographer Genevieve Martin)

 

By Dawn Levy

Soon to be deployed at the U.S. Department of Energy’s Oak Ridge National Laboratory is an experiment to explore new physics associated with neutrinos. The Precision Oscillation and Spectrum Experiment, or PROSPECT, is led by Yale University and includes partners from 14 academic and governmental institutions. The DOE High Energy Physics program will support the experiment at the High Flux Isotope Reactor, or HFIR, a DOE Office of Science User Facility at ORNL. The neutrino, the subject of a 2015 Nobel Prize, remains a poorly understood fundamental particle of the Standard Model of particle physics.

These electrically neutral subatomic particles are made in stars and nuclear reactors as a byproduct of radioactive decay processes. They interact with other matter via the weak force, making their detection difficult. As a result of this elusiveness, neutrinos are the subject of many interesting and challenging detection experiments, including PROSPECT.

“Unique capabilities of ORNL will enable us to broaden the understanding of neutrino properties,” said David Dean, director of ORNL’s Physics Division. “The expansion of neutrino experiments at Oak Ridge National Laboratory is a win for the lab because we have a new scientific focus area, and a win for the scientific community because ORNL has unique neutrino sources that physicists will utilize to explore neutrino science.” [Read more…]

Filed Under: College, Education, Front Page News, Oak Ridge National Laboratory, U.S. Department of Energy Tagged With: Alfredo Galindo-Uribarri, Blaine Heffron, Brennan Hackett, Brookhaven National Laboratory, Charlie Havener, Chris Bryan, College of William and Mary, David Dean, Dawn Levy, Drexel University, Elisa Romero-Romero, Genevieve Martin, Geoffrey Deichert, George Barclay, Georgia Institute of Technology, HFIR, High Energy Physics Program, High Flux Isotope Reactor, Illinois Institute of Technology, James Matta, John Cunningham, Lawrence Livermore National Laboratory, Le Moyne College, Michael Febbraro, National Institute of Standards and Technology, neutrino, neutrino experiment, neutron beams, Oak Ridge National Laboratory, Office of Science, ORNL, particle physics, Paul Mueller, Physics Division, Precision Oscillation and Spectrum Experiment, PROSPECT, radioactive decay, research reactors, Robert Varner, subatomic particles, Temple University, U.S. Department of Energy, University of Tennessee–Knoxville, University of Waterloo, University of Wisconsin–Madison, Yale University

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Classifieds

Public Notice: NNSA announces no significant impact of Y-12 Development Organization operations at Horizon Center

AVAILABILITY OF THE FINAL ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

ADFAC seeks contractors for five homes

Aid to Distressed Families of Appalachian Counties (ADFAC) is a non-profit community based agency, … [Read More...]

Public notice: Draft environmental assessment for Y-12 Development Organization at Horizon Center

AVAILABILITY OF THE DRAFT ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

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