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COUNTY SANITATION DISTRICTS OF LOS ANGELES COUNTY
| COUNTY SANITATION DISTRICTS OF LOS ANGELES COUNTY Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20080257832 | Sequential chlorination for wastewater disinfection - A process for the disinfection of fully nitrified secondary effluent comprising first adding chlorine to the effluent, then adding combined chlorine. | 10-23-2008 |