This paper decribes how the City of North Port, Florida which faces water quality challenges during the dry season due to elevated concentrations of total dissolved solids (TDS) and sulfate in the source water supply plan to integrate reverse osmosis treatment with exisiting treatment to meet regulatory levels....

This PowerPoint presentation discusses the evaluation of concentrate disposal alternatives and Zero Liquid Discharge evaluation along with the pilot study that confirmed treatability, feasibility, and economics as favorable for Palm Coast Florida membrane treatment plants...

Diminishing potable water supplies and conservation initiatives have prompted utilities to look to unconventional sources and process applications to meet potable water demands, while making the most of existing resources. Treatment of waste streams can be an essential aspect in meeting these goals....

An extended mixing zone was no longer permitted. City had to implement a ZLD system which also allows beneficial use of the residual solids....

This presentation describes a new RO water plant under design to remove hardness, color and other contaminants from a groundwater supply containing a significant organic component. The design is relevant and important to the program since it illustrates key components that must be included in RO design to reduce fouling and scaling. The paper will ...