Scalable Manufacturing of Nanopowders by Solution Combustion Processing

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For the past several decades, gas-phase combustion processing has been used to produce nanomaterials like titanium dioxide and carbon-black in tonnage. These processes are restricted to the production of simple, single-element or single-metal compositions, primarily because of the limited availability of gaseous precursors that lend themselves to combustion processing. Most processes that are currently capable of making complex multi-metal oxide nanopowder compounds rely on expensive, energy-intensive processes that start with large grain particles and reduce them down to smaller sizes – a top down process that leads to inhomogeneous particle sizes. In this paper we will discuss the development and scale-up of a patented bottom-up process called NanoSpray Combustion (SM) to make complex metal-oxide (and select metal) nanopowders at through-puts close to 100kg/day (3Tonnes/month). The presentation will discuss the challenges faced during the process scaling effort and solutions for the same, as well as the impact of nanomaterials production scaling on energy, biomedical & electronics applications.

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Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2013: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)
Published: May 12, 2013
Pages: 768 - 769
Industry sector: Advanced Materials & Manufacturing
Topics: Advanced Manufacturing
ISBN: 978-1-4822-0581-7