Senior Design 2020 – Environmental Engineering Team 9
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Environmental Engineering Team 9
Holly King Emily Olchowski Hejia Wang Erika Yao
Air emissions control design for recycle glass processing facility
In an effort to utilize recycled glass while increasing the sustainability of construction practices, pozzolan is created from recycled glass and added to many products as a supplementary cementitious material. Throughout the manufacturing process, a large amount of particulate matter (PM) is created and must be controlled in order to prevent it from being released to the atmosphere. In order to design appropriate control technology, existing manufacturing processes were assessed for PM emissions rates and an air model was generated.
To meet the applicable air emission control criteria, control devices were designed to lower the concentration of PM of all sizes in the exhaust air that is leaving the facility. A cyclone and fabric filters in series were sized to do this. These devices were chosen based on the best available control technology (BACT) assessment in accordance with the New Source Review (NSR) permit. Air modeling was used to quantify the potential maximum concentration of each pollutant before and after the control devices are implemented. Based on the air modeling, implementing a cyclone and fabric filter in series reduced the potential maximum concentration of PM to below Connecticut’s regulatory standards. This design is also the most cost-effective solution compared to other potential designs and requires a minimal amount of maintenance to operate efficiently.