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Carbon Management

Secondary Effects of Reducing Carbon Dioxide Emissions

Mar 14, 2011
Eloy Flores III
Secondary Effects of Reducing Carbon Dioxide Emissions While climate change has lost some interest to the global economy, the United States and the World continue to move forward on advancing research and technologies to capture, sequester, or reuse the green house gas carbon dioxide. Capturing...

Plasma Assisted De-NOx In Diesel Engine

Mar 14, 2011
Dae Hoon Lee
Plasma assisted De-NOx systems in mobile application are introduced. In general, de-NOx process requires reductant for reducing catalyst. NH3(Urea) fueling, post injection of diesel fuel are representative of method for supplying reductant. Here, using synthesis gas by on board reforming as...

Synthesis Gas Cleanup with Nonthermal Plasma

Mar 14, 2011
Maoqi Feng
Plasma processes are very useful in industry because plasma has the unique characteristic of producing active species in large numbers of energetic species than conventional chemical processes. Nonthermal plasma (NTP), such as corona or glow discharge plasmas, is widely used for generating such...

Resin Wafer Electrodeionization for Flue Gas Carbon Dioxide Capture

Mar 14, 2011
Rebecca L. Stiles
Energy efficient capture of CO 2 from coal-fired power plants is one of the grand challenges for the U.S. both to end dependence on imported energy and to reduce greenhouse gas emissions. Nalco Company and Argonne National Laboratory received a Department of Energy ARPA-E award to develop Resin...

Post-Combustion CO2 Capture Using an Efficient Membrane Process

Mar 23, 2010
Xiaotong Wei
Production of power from coal inevitably generates carbon dioxide (CO2) as a by-product. To mitigate global climate change, this CO2 must be captured and sequestered. With current technologies, separating CO2 from flue gas accounts for about 70% of the total cost for CO2 capture and sequestration...

Hybrid Membrane Absorption Process for Post Combustion CO2 Capture

Mar 23, 2010
S. James Zhou
Gas Technology Institute (GTI) and PoroGen Corporation are jointly developing a novel hybrid membrane – absorption process for pre- and post-combustion CO2 capture (Carbo-Lock™ process). The novel Carbo-Lock™ process combines advantageous features of both absorption and membrane processes to...

Vapor-Liquid Equilibrium (VLE) Study of CO2 with MEA and Ammonia Solvents

Mar 23, 2010
Donald Johnson
In the carbon capture and sequestration (CCS )scenario, vapor liquid equilibrium (VLE) curves represent the theoretical relationship between local gaseous CO2 vapor pressure and the respective carbon loading in solution for a given operating temperature. It determines the maximum carbon content in...

Metal-Adeninate Porous Materials for Selective CO2 Capture

Mar 23, 2010
Nathaniel L. Rosi
We describe a new class of porous metal-adeninate crystalline materials. We describe the syntheses of these materials and discuss strategies for optimizing the capacity of these materials as selective sorbents for carbon dioxide. In particular, we describe how we can control the coordination...

Stripper Configurations for CO2 Capture by Aqueous Amines

Mar 23, 2010
David H. Van Wagener
A monumental task for improving the feasibility of carbon capture from the flue gas of coal-fired power plants is reducing the total energy cost. A generic absorption/stripping process using an aqueous amine solvent would reduce the net power production of a coal-fired power plant by roughly 30%,...

Equilibrium and Kinetic Studies Carbon Dioxide Capturing on Ca-Based Sorbents

Mar 23, 2010
Jorge Pena Lopez
The increase of atmospheric carbon dioxide concentrations in recent years is well documented. Its potential link to an earth wide greenhouse-like effect has led recently to tighter regulations on carbon dioxide emissions from various industrial sources. One of the most common emitters is the fossil...

Theoretical Screening Good Sorbents for CO2 Separation

Mar 23, 2010
Yuhua Duan
Carbon dioxide is the major product from coal combustion and is released into the air and causes global climate warming which we are facing today. Current technologies for capturing CO2 including solvent-based (amines) and CaO-based materials are still too energy intensive. Hence, there is critical...

Enhancing Post-Combustion CO2 Capture in Power Plant – A Catalytic Approach

Mar 23, 2010
Reynolds A. Frimpong
Improved solvent reaction kinetics and carbon capacity continue to be a major research interest for the scrubbing of CO2 in post-combustion processes. The DOE has set a new target for post-combustion CO2 capture of less than a 35% increase in the cost of electricity, while capturing at least 90% of...

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