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Hierarchical Nanoceramics for Industrial Process Sensors

Description: This project developed a robust, tunable, hierarchical nanoceramics materials platform for industrial process sensors in harsh-environments. Control of material structure at multiple length scales from nano to macro increased the sensing response of the materials to combustion gases. These materials operated at relatively high temperatures, enabling detection close to the source of combustion. It is anticipated that these materials can form the basis for a new class of sensors enabling widespread use of efficient combustion processes with closed loop feedback control in the energy-intensive industries. The first phase of the project focused on materials selection and process development, leading to hierarchical nanoceramics that were evaluated for sensing performance. The second phase focused on optimizing the materials processes and microstructures, followed by validation of performance of a prototype sensor in a laboratory combustion environment. The objectives of this project were achieved by: (1) synthesizing and optimizing hierarchical nanostructures; (2) synthesizing and optimizing sensing nanomaterials; (3) integrating sensing functionality into hierarchical nanostructures; (4) demonstrating material performance in a sensing element; and (5) validating material performance in a simulated service environment. The project developed hierarchical nanoceramic electrodes for mixed potential zirconia gas sensors with increased surface area and demonstrated tailored electrocatalytic activity operable at high temperatures enabling detection of products of combustion such as NOx close to the source of combustion. Methods were developed for synthesis of hierarchical nanostructures with high, stable surface area, integrated catalytic functionality within the structures for gas sensing, and demonstrated materials performance in harsh lab and combustion gas environments.
Date: July 15, 2011
Creator: Ruud, James, A.; Brosnan, Kristen, H.; Striker, Todd; Ramaswamy, Vidya; Aceto, Steven, C.; Gao, Yan et al.
Partner: UNT Libraries Government Documents Department

Reduce Air Infiltration in Furnaces

Description: This DOE Industrial Technologies Program tip sheet describes how to save energy and costs by reducing air infiltration in industrial furnaces; tips include repairing leaks and increasing insulation.
Date: January 1, 2006
Partner: UNT Libraries Government Documents Department

Neville Chemical Company: Management Pursues Five Projects Following Plant-Wide Energy-Efficiency Assessment

Description: Neville Chemical conducted a plant-wide energy efficiency assessment of its Anaheim, California, plant in the spring of 2002. The assessment justified five projects that would significantly reduce electricity and fuel costs. Four of the five projects, when complete will save 436,200 kilowatt-hours, or$31,840 of electrical energy each year. The remaining project will save 7,473 million British thermal units or$43,600 in fossil fuel each year. One year later, the same assessment team applied its knowledge of Neville's processes in a plant-wide assessment at Neville's Pittsburgh plant, and identified 15 projects with more than$715,000 in projected annual savings.
Date: July 1, 2003
Partner: UNT Libraries Government Documents Department