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Surface Science - Materials Research & Development Group

The Surface Science Materials Research & Development Group, led by Ranjani V. Siriwardane and James A. Poston Jr., focuses on innovative solutions for fuel stream contaminant removal and CO2 separation. Our research encompasses sorbent development and chemical looping combustion (CLC) for optimizing oxygen carriers. We utilize state-of-the-art testing facilities to explore catalyst and sorbent characterization, including high-pressure and high-temperature reactors, offering significant insights into trace contaminant analysis, including the behavior of sulfides and various oxides in advanced energy generation systems.

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Surface Science - Materials Research & Development Group

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  1. Surface Science - Materials Research & Development Group Ranjani V. Siriwardane, Grp. Ldr. 304-285-4513 James A. Poston Jr. 304-285-4635 Research Interests: Gasification & Sorbent Development for Fuel Stream Contaminant Removal CO2 Separation and Sorbent Development Chemical Looping Combustion (CLC) – Development of Oxygen Based Carriers Fuel Cell Research & Development - Development,Testing & Analysis - Trace Contaminant Testing & Analysis

  2. Research Interests: Gasification & Sorbent Development for Fuel Stream Contaminant Removal CO2 Separation and Sorbent Development Chemical Looping Combustion (CLC) – Development of Oxygen Based Carriers Fuel Cell Research & Development - Development,Testing & Analysis - Trace Contaminant Testing & Analysis

  3. Research & Testing Facilities Catalyst and Sorbent Preparation Facilities Laboratory Scale Test Reactors for Testing in Corrosive, Oxidizing and Reducing Gas environments High Pressure – High Temperature Bench Scale Test Reactors for Testing in Corrosive, Oxidizing and Reducing Gas Environments. Gen.Catalyst /Sorbent Characterization Techniques, including Surface Area, Density, Pore Volume Differential Scanning calorimeter – Gas flow, Horizontal/vertical bed, mass spectrometer High Temperature/High Pressure Thermo-Gravimetric Analysis Bulk, Near Surface and Surface Characterization Capabilities including IR, XRD, e-beam microscopy, SPM, AES and ESCA. Research & Analysis Facilities

  4. Some Previous Research Projects Effect of Alkali and Alkali Halides on Interaction of SO2 with CaO Determination of Calcium Oxide - H2S Reaction Mechanism Zinc Oxide Based Desulfurization Sorbents - observed Zn migration to surface Copper Oxide Based Desulfurization Sorbents - observed Cu migration to surface Sulfate Decomposition - Transition Metal and Rare Earth Sulfates Ceramic – Metal Composite (Cermet) Gas Separation Membranes - interaction of cermet type membranes with H2 and H2S - observed Ni migration with temperature. Depth Profile Analysis on Oxidized Austenitic Stainless Steel High Temperature Gas Sensors Characterization & Analysis of SOFC and SOFC Anodes : Pre & Post Testing

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