Scale Prevention in Seawater and Freshwater Flushed Shipboard Sanitary Waste Systems

"In the research proposed, INTEK Marine Technology, LLC. proposes to modify and extend its current anti-scale product line (currently in use in the cruise line industry) to both freshwater and saltwater application, by investigating the blending and testingof two separate, but simultaneously usable, scale defeating systems:1) A set of threshold effect scale-inhibitors that absorb on calcium carbonate crystal growth sites, altering growth patterns such that any crystals form more slowly and will be highly distorted...thus rendering them "non-adhering" to surfaces and,2) A set of scale-inhibitor compatible, low molecular weight sequestrants having the ability to seek out and "tie-up" calcium ions (at the exclusion of other competing metal ions) in both seawater and freshwater...thus removing their availability to formscale.As part of this work, INTEK also proposes to develop a low maintenance, automated chemical delivery system for use on a wide variety of naval vessels. The use of calcium carbonate scale inhibitors and removers for freshwater flushed shipboard vacuum sanitary waste systems is steadily growing in the cruise line industry. The availability of an enhanced calcium carbonate scale inhibitor and remover forboth seawater and freshwater flushed shipboard sanitary waste systems will be of substantial benefit to not only the U.S. Navy, but also the entire commercial and pleasure marine industries. Successful application of an