Specifying the Feed Water Composition 2.1 Defining the type of water. The Water Types and Subtypes used in ROSA are specified in the following steps Dow assumes no obligation or liability for the information presented herein. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY ROSA (Reverse Osmosis System Analysis) design software continues to evolve and grow to meet your demanding system design needs. The latest version, ROSA 9.1, is now available to aid in system design using DOW FILMTEC™ elements, the highest quality RO and NF elements available globally. Dow Introduces ROSA 8 When designing an RO or NF water treatment system, accuracy is critical to ensure you get the most from your system. The latest ROSA 8.0 (Reverse Osmosis System Analysis) design software from Dow enables the most precise recommendations to optimise system performance and offers the option of a 5 year warranty for systems ROSE User Manual: A Tool for Building Source-to-Source Translators Draft User Manual (version .9.10.218) Daniel Quinlan, Chunhua Liao, Thomas Panas, Robb Matzke, Markus Schordan, Rich Vuduc, and Qing Yi Lawrence Livermore National Laboratory Livermore, CA 94550 925-423-2668 (o ce) 925-422-6278 (fax) Dow Filmtec membranes are designed for commercial, industrial, and residential applications. Filmtec reverse osmosis commercial and industrial membranes provide water filtration from 100 to 7500 gallons per day, and residential Filmtec RO membranes provide 24 to 100 gallons per day. Dow Water & Process Solutions To Launch ROSA 7.0, Showcase Expertise At EDS Conference - Dow Water & Process Solutions. Dow Water & Process Solutions, a business unit of The Dow Chemical Company (Dow) and a global leader in water purification, seawater desalination, contamination removal and AMI has the largest stock of genuine DOW FILMTEC membrane elements in the world and over 30-years of hands-on experience using & supporting DOW FilmTec products. DOW