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Evaluation of Fats, Oil and Grease Treatment Products Performance and Cost Comparison to Periodic Line Cleaning

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The City of Dallas experiences wastewater collection system blockages and backups that resulted in system overflows and customer complaints. Approximately 60 percent of the blockages and backups are caused by Fats, Oil and Grease (FOG) accumulation in main line pipes. Dallas Water Utilities' Wastewater Operations has been using FOG treatment products (FOGTP) for years. A treatment products cost comparison to periodic line cleaning had not been conducted. The City of Dallas primary goal was to determine the effectiveness of the products being used and other selected products through the conduct of an evaluation study. Another goal was to determine the number of times lines with grease could be cleaned at a test site compared to the cost of applying products over a specified time period.

To accomplish these goals, a definitive procedure and methodology was established. All goals were accomplished during the product evaluation study and are outlined below.

Document Type: Research Article


Publication date: 2010-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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