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Archives :: Chementator :: Carbon Dioxide Capture and Minimization

Displaying 1 - 13 of 13 stories.
April 1, 2013
MOFs that reversibly capture CO2
An Australian team has developed a structure made of a metal organic framework (MOF) that captures and then releases CO2 using natural sunlight. The team includes researchers from: CSIRO Division of Materials Science and Engineering, (Clayton South, Victoria; www.csiro.au) the Dept. of Chemical Engineering, Monash University (www.monash.edu.au) and the School of Chemistry, University of Sydney...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/MOFs-that-reversibly-capture-CO2_10376.html
March 1, 2013
A step toward mineralizing CO2 captured from fluegas
Researchers from Newcastle University (U.K.; www.ncl.ac.uk) have discovered that, in the presence of a nickel catalyst, CO2 can be rapidly and cheaply converted into solid carbonate salts. The discovery could lead to a simpler and less-expensive alternative for carbon capture and storage (CCS). Led by Lidija Šiller, a physicist and Reader in Nanoscale Technology, the researchers were investigating...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/A-step-toward-mineralizing-CO2-captured-from-fluegas_10256.html
February 1, 2013
This molecular sieve has a trapdoor to selectively pass CO2
An Australian team has developed a new molecular sieve that allows carbon dioxide molecules to be trapped and stored. Contrary to the way molecular sieves usually work, allowing smaller molecules through, the new sieve acts like a trapdoor, and allows larger molecules through, blocking smaller ones. The team, led by professor Paul A. Webley of the University of Melbourne (Australia; www.unimelb.edu.au)...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/This-molecular-sieve-has-a-trapdoor-to-selectively-pass-CO2_10147.html
February 1, 2013
Electrochemistry may have a future in CO2 cleanup
An electrochemical process that could cut the energy and cost requirements for stripping carbon dioxide from stack gases by half is being developed at Arizona State University (ASU, Tempe; www.asu.edu). At present the only commercially viable technology is CO2 absorption by monoethanolamine (MEA), says Dan Buttry, chair of ASU’s Department of Chemistry and Biochemistry. However, he notes that a...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/Electrochemistry-may-have-a-future-in-CO2-cleanup_10165.html
January 1, 2013
Scale up planned for a new CO2-capture process
Plans are underway to field-test a process that removes more than 90 % of the carbon dioxide from power-plant flue gas, while reducing both the energy input and operating costs by 50 % compared to conventional amine-based CO2-scrubbing technology. The so-called carbonate-looping process has undergone four years of testing in a 1 MWth pilot plant at the Technical University of Darmstadt (Germany...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/Scale-up-planned-for-a-new-CO2-capture-process_10066.html
September 1, 2012
A commercial move toward algae farming for CO2 recovery
Advanced Algal Technologies (Sydney, Australia; www.advancedalgal.com) has signed a $100-million deal with Fuzhou Xiangli Enterprise Management Consulting (Fuzhou, China) — an LED-lighting manufacturer — for a license to build 500 algal-farming-conveyor modular units per year. These units will be used to reduce carbon dioxide emissions in manufacturing plants in China. Traditionally, algae have...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/A-commercial-move-toward-algae-farming-for-CO2-recovery_9627.html
June 1, 2012
Convert wastewater and CO2 into chemicals with this technology
Electrochemical and chemical-precipitation technology from New Sky Energy (Boulder, Colo.; www.newskyenergy.com) allows the conversion of salty wastewater and CO2 from fluegas into valuable process chemicals, such as soda ash, calcium carbonate, sulfuric acid, bleach and other chemicals. New Sky’s customizable system is designed to be installed onsite at a processing facility to work with the...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/Convert-wastewater-and-CO2-into-chemicals-with-this-technology_9358.html
June 1, 2012
A less-expensive process to recover CO2 from PSA offgas
At Achema 2012 (June 18–22; Frankfurt am Main, Germany), Union Engineering A/S (Fredericia, Denmark; www.union.dk) will be presenting its patented FlashCO2 process — both at the exhibition (Hall 9.1, Stand E29) and in a congress lecture (Monday, June 18th at 11:30 in the room Illusion 2). FlashCO2 enables liquid CO2 to be produced from H2 plants at a direct operating cost of around...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/A-less-expensive-process-to-recover-CO2-from-PSA-offgas_9362.html
April 1, 2012
Growing algae with fluegas CO2
Construction of a 1-hectare (ha) carbon-capture and recycling “synthesizer” demonstration plant has started at Tarong Power Station near the town of Nanango in southeast Queensland, Australia. Tarong Power Station comprises four coal-fired units with a gross generating capacity of 1,400 MW. The plant — a joint initiative between MBD Energy Ltd. (Melbourne, Australia; www.mbdenergy.com)...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/Growing-algae-with-fluegas-CO2_9150.html
February 1, 2012
The potential for reducing CO2 in steel production
A reduction of CO2 emissions of 50% can be achieved in steelmaking, using renewable carbon from biomass, according to The Australian Steel Industry CO2 Breakthrough Program, an R&D program conducted by a team from: BlueScope Steel Research (Port Kembla, New South Wales; www.bluescopesteel.com), OneSteel Ltd. (Newcastle, New South Wales; www.onesteel.com) and CSIRO Minerals Down Under Flagship (Clayton...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/The-potential-for-reducing-CO2-in-steel-production_8948.html
October 1, 2011
A fast way to recover CO2
A rapid pressure-swing-adsorption (rPSA) system to separate carbon dioxide from fluegas is being developed by W.R. Grace & Co. (Columbus, Md.; www.grace.com) and three partners under a $3 million grant from the U.S. Dept. of Energy (DOE; Washington, D.C.; www.energy.gov). The goal is to develop a process that costs half as much as current amine systems, whose cost is $50–70 per ton...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/A-fast-way-to-recover-CO2_8505.html
September 1, 2011
Carbon storage and electricity generation project gets DOE funding
A project aimed at using geothermal heat to power an electricity-producing turbine with supercritical carbon dioxide has received a $5 million grant from the U.S. Dept. of Energy (DOE; Washington, D.C.; www.energy.gov). The project also incorporates an element of CO2 sequestration in sedimentary rock, whereby a portion of the CO2 injected into the hot sedimentary layer remains there, so that the process...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/Carbon-storage-and-electricity-generation-project-gets-DOE-funding_8402.html
June 1, 2011
CO2-capture technologies move ahead
Scaleup is set for two technologies that facilitate the capture of carbon dioxide from fluegas by substituting oxygen for combustion air. Oxycombustion, as it is called, results in a much smaller fluegas stream, containing up to 90% CO2; part of that is recycled to dilute the O2 and control the combustion temperature. The O2 is entrained in the CO2 stream for injection into the furnace. The companies...
http://www.che.com/chementator/carbon_dioxide_capture_and_minimization/CO2-capture-technologies-move-ahead_8085.html

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