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Mark Engelhard

Institution
Environmental Molecular Sciences Laboratory
ORCID
ORCID logo 0000-0002-5543-0812

Projects

Toward a Catalyst Digital Twin

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Nicholas Nelson
Project type
Contracted Time
The chemical potential of atomically dispersed transition metal atoms (adatoms) is well known to determine catalyst structure and mediate its structural evolution during reaction through the…

Kinetic Study of Heterogeneous Reaction of Soot with Reactive Oxidants

Lead Institution
Stanford University
Principal Investigator
Hai Wang
Project type
Large-Scale EMSL Research
Heterogeneous reactions occurring between aerosol particles and reactive gaseous species in the atmosphere have significant impacts on atmospheric composition and chemistry, global radiative forcing,…

Mechanistic Understanding of Glass-Water Reaction

Lead Institution
Oak Ridge National Laboratory
Principal Investigator
Eric Pierce
Project type
Large-Scale EMSL Research
The construction of valid rate models, such as the Transition State Theory Kinetic Rate Equation, to describe the dissolution of rock-forming minerals, the evolution of soils, and the corrosion…

MgO-based double salt absorbent for warm temperature CO2 capture

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
David King
CO2 absorbent development has gained great attention as a part of syngas clean up from fossil fuel gasification power plants, as well as other industrial applications which produce a highly…

Adhesion of Polymer Spheres to Modified Natural Fibers

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
James Holbery
Project type
Large-Scale EMSL Research
The technical motivation of the research is to advance current capabilities in natural fiber surface chemistry to develop modification processes that simultaneously displace water within the fiber…

Optical and structural properties of doped ZnO nanocrystals

Lead Institution
Washington State University
Principal Investigator
Matthew Mccluskey
Project type
Exploratory Research
Zinc oxide (ZnO) is a semiconductor that has attracted resurgent interest as an electronic material for energy applications. With a direct gap of 3.4 eV at room temperature, ZnO is a wide band gap…

Synthesis with Atomic Scale Control for Highly Selective Catalysts

Lead Institution
Virginia Polytechnic Institute
Principal Investigator
Ayman Karim
The proposed work is focused on catalyst design for the conversion of biomass to fuels and chemicals. Specifically, we propose a rational design methodology aimed at controlling the catalyst…

Determination of Interstitial and Interface components of chrome coatings

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Mark Engelhard
Interfacial and interstitial components can be introduced into electrochemical deposited chrome plate, either intentionally or as a side effect of contamination. We are interested in determining the…

Characterization of solid oxide fuel cell electrodes after exposure

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Olga Marina
Project type
Large-Scale EMSL Research
The purpose of this project is to gain understanding how the fuel electrode chemistry and microstructure is affected by exposure to coal gas contaminants. This is of importance to operating solid…

Evaluation of Ni-Plated Zircaloy Getter Surface Characteristics

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Mark Engelhard
The Tritium Target Program (TTP) uses getter tubes made of nickel-plated Zircaloy (NPZ) to contain tritium as it is generated in burnable absorber rods. The NPZ getters meet the applicable…

Addressing Challenges in Nanoscale Characterization

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Daniel Gaspar
Project type
Large-Scale EMSL Research
Nanoscale materials offer the promise of significant advances in fields as diverse as the production, storage and efficient use of energy, sensing and environmental remediation. The characterization…

Extracellular Research Thrust for EMSL SSA

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Kirsten Hofmockel
This project will develop a conceptual framework that defines the biotic and abiotic mechanisms regulating the persistence of mineral associated organic matter (OM). The specific goals are to…

Characterization of zeolites

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Brian Riley
Project type
Limited Scope
We are using metal-exchanged zeolites as sorbents for methyl bromide under a DTRA project. This proposal is geared to allow us to characterize our zeolites using analytical instruments available at…

Characterization of the bio-oil hydrotreating catalysts

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Mark Engelhard
PNNL is working on an EERE international collaboration project to exchange scientific and technical information on biomass feedstock production and conversion to biofuels with China and additionally…

Isotopic Measurements for MAJORANA

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Zihua Zhu
The current focal point of PNNL's nuclear physics program is the MAJORANA DEMONSTRATOR, and the follow-on 1-tonne scale experiment, a large array of ultra-low background high-purity germanium…

The role of U(V) during heterogeneous reduction of aqueous U(VI) to U(IV).

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Eugene Ilton
Project type
Large-Scale EMSL Research
This proposal is being submitted in response to the Science theme call: Biogeochemistry and Subsurface Science, understanding the chemistry of radionuclides in the subsurface. It directly relates to…

Characterization of inorganic thin films on polymer substrate

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Theva Thevuthasan
We have received some oxide thin films that were grown on polymer substrate for characterization as a part of TAP program. The PIs are interested in elemental qunatifications in these films.