... to achieve a successful repair for over three years while a replacement drum was ordered for the next turn-around. This paper will highlight the flexible design capabilities of composite materials in addressing critical component repairs when engineered appropriately. Composite Repair Tank Vessel Carbon...

...Abstract The integrity of the underground radioactive waste tanks at the Hanford site is managed through a variety of engineering assessments, laboratory testing, and field monitoring. Much of this assessment is deterministic in nature. However, the many uncertainties surrounding the historical...

... length and by scanning electron microscope (SEM) examination of the fracture surfaces. Compact Tension (CT) Crack Growth Rate Tests Abstract The Hanford site contains approximately 55 million gallons of radioactive and chemically hazardous wastes stored in 177 carbon steel underground storage tanks...

...Abstract Corrosion of soil side bottoms is unpredictable and can be up to 5 mm/year. The soil side bottom cannot be protected while the tank is in service. The well-known cathodic protection system is not efficient enough. This paper presents case studies of soil side bottom corrosion protection...

...Abstract The stainless steel tanks of a zinc hydrometallurgy plant have experienced stress corrosion cracking (SCC) since they were built 20 years ago. The diluted sulphuric acid solution with 300 ppm chloride ions is known to be particularly aggressive. In order to reduce the susceptibility...

...FRP storage tanks and equipment are frequently used for corrosive service in the power, chemical, and mining industries as an economical alternative to expensive metallic alloys. Over the years, the design and engineering of FRP systems has evolved to better represent this unique material. One...

... and repair materials in aggressive service applications and some of the many successful case histories Glassflake Vinyl-Ester Polyester Composite Pump Valve Pipe Vessel Tank Pump Efficiency improvement Manifold INTRODUCTION Engineers tend to like working with metals. They understand that at times...

...In review, ail of the devices shown above have greatly increased safety when compared to manual high- pressure cleaning. It is also apparent that neither completely solves the economical or practical problems posed by interior tank and rail car cleaning. The “perfect" high-pressure rail car...

...Abstract Proper choice of materials for storage tanks and process piping is essential. This paper compares the cost of various metals (carbon steel, stainless, alloys) to lined steel, fiberglass, and dual laminates (PVC, PP, PVDF, FEP). It also discusses other hard to quantity factors which should...

...The idea was to improve on both the acquisition and analysis of acoustic signals. We started by forgetting about conventional acoustic emission practices and focussed on this single application. Clearly when it comes to signal propagation and detection, a storage tank is a three dimensional problem...