Full Description

Low-pressure membranes continue to be the preferred technology for large water andwastewater treatment plants, as they provide a verifiable barrier, small footprint andsuperb water quality. The increasing demand for larger capacity, low-pressuremembrane systems, has catapulted submerged membranes as the preferred solution.Reflecting this push toward submerged plants is the fact that most of the largestdrinking water and wastewater membrane plants in the United States, both inoperation and under contract, are submerged. Submerged membranes offer loweroperating costs and a reduced equipment footprint over pressure systems.Pressure systems continue to be the mosteconomically viable solution for smaller capacity plants. Pressure systems are typically skid mounted, easy toinstall, and do not require heavy construction. Submerged systems for smallercapacities are perceived as being more expensive and as having higher installationcosts, although this is often not the case.Using data from plants currently in operation and those presently under contract, thisstudy illustrates a financial and size comparison between pressure andsubmerged membranes. The goal is to provide information showing that submergedmembranes are a viable option for both large and small systems.This study focuses on drinking water systems comparing the following factors:capital costs;operating costs; and,system footprint.This paper uses information from one manufacturer in an effort to provide asmuch supporting data as possible. The comparisons made are not intended to beused as a cost estimating tool, but rather to provide information on the market fromthe standpoint of one supplier. Includes tables.

Product Details

Edition: Vol. - No. Published: 03/05/2003 Number of Pages: 7File Size: 1 file , 180 KB