Sea Technology

MAR 2018

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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16 ST | March 2018 www.sea-technology.com and expensive maintenance material costs. Historically, there have been several efforts to predict corrosion rates, as well as other cathodic protection methods, including but not limited to the use of a combination of aluminum alloy and aluminum-infused coatings acting in a sacrifi- cial manner to protect the steel or structure. Safe Chemical Solutions Enviroklean Product Development Inc. (EPDI), found- ed in 2009, manufactures and is licensed to provide spe- cialty chemicals, NORM (naturally occurring radioactive materials) solutions, waste remediation services, cathod- ic protection and corrosion solutions to the energy in- dustry, Department of Defense and various other clients. While there are many commercial products available that attempt to mitigate or eliminate corrosion, EPDI manufactures a range of proprietary chemicals that are superior and are uniquely formulated and designed to successfully and safely remove various levels of corro- sion including rust, rust staining, mildew, carbon, grease and oil from steel, fiberglass, concrete and various coat- ed and uncoated surfaces and equipment. In addition to rust and rust stain removal, experiments were conducted in 2015 at the University of Texas for the removal of radioactive scale from a steel flange us- ing EK2012 (EK S&C). After 20 hours, the EPDI product EK2012 successfully removed 20.7 grams of the rust scale and 96 percent of the radioactivity. It has been sci- entifically confirmed that rust scale and calcium both act as hosts to specific radioactive isotopes such as Ra- dium-226, Radium-228 and Lead-210, which may add additional unwanted problems when present. EPDI has successfully conducted rust removal in numerous, various situations and locations, such as on board the U.S. Navy ships USS Arleigh Burke, USS Nitze, USS Iwo Jima and USS Midway; Sherman tanks located at the museum in Scofield barracks in Hawaii; and the Aloha Liberty Bell. In 2016, the Department of Defense requested that EPDI supply the product Enviroklean to clean construc- tion debris staining from the entire structure of the USS Zumwalt while it was located in Norfolk, Virginia, before this remarkable, technically advanced ship was commis- sioned. The total product cost for cleaning the entire ship was less than $5,000 and was performed in less than one week. The alternative solution was to replace the entire ship's coating, which would have taken months and at a cost of several million dollars. Enviroklean was simply sprayed onto the surface of the rust-stained area and gently agitated with a brush for 3 to 5 minutes and then rinsed clean with water, leaving a clean coating with no unwanted or unsightly residues. EPDI has successfully developed a range of unique chemical products that have been proven to work in the laboratory environment, as well as on USS Navy ships, vessels and other marine equipment for quick rust re- moval in a highly efficient and safe manner. Enviroklean's chelating action is designed to remove the rust staining caused by crevice corrosion, making it easier to locate the source of the staining or leeching, which in most cases is crevice corrosion. Enviroklean is environmentally friendly, nontoxic, nonflammable, contains no VOCs, is a nonbioaccumulating formula that does not leave any appreciable residues, and can be used on various surfaces and coatings. By removing the surface staining, it is easier to locate the source of the rust staining to initiate a corrosion repair, reducing main- tenance costs and preventing further staining and corro- sion issues. Enviroklean is a more cost-effective solution than traditional maintenance methods. By utilizing EPDI products and methods, human resources as well as ma- terial costs are substantially reduced. ST Graham George (ggeorge@epdi.biz) is the founder and chief technical officer for Enviroklean Product Development Inc. He initially studied at the Ford TTI, London, England, in the 1970s and has more than 40 years of experience in mechanical, chemical and corrosion engineering and product design. He has written and co-authored multiple published peer-re- viewed papers. For more information and to review published works, visit www.epdi.biz. Dr. Sheldon Landsberger (s.landsberger@mail.utex- as.edu) is a professor in the Nuclear and Radiation Engineering Program in the Department of Mechan- ical Engineering at the University of Texas. He has published more than 220 peer-reviewed papers and more than 160 conference proceedings, mainly in nuclear analytical measurements and their applica- tions in nuclear forensics, natural radioactivity and environmental monitoring of trace and heavy metals. Since joining EPDI as a consultant in 2011 he has been involved in laboratory measurements for rust/scale and radioactivity removal. Before rust removal on the USS Nitze.

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