..., constantly adapting to new Army needs and research opportunities - ARO is not wed to any technologies and will drop a line of research and move on directly if we discover better alternatives. In my view, SCWO is now a viable alternative for destroying toxic military materials, but each situation must...

... been developed to allow successful continuous processing with sufficient corrosion resistance for an acceptable period of time. The present paper reviews the experience to date for methods of corrosion control in the two most prevalent SCW processing applications: supercritical water oxidation (SCWO...

... subcritical water oxidation SCWO electrochemical noise analysis (ENA) electrochemical noise measurement (ENM) polarization resistance INTRODUCTION The use of high-subcritical and supercritical fluid is considered a key technology for an earth-friendly disposal process as well as for a next-generation...

...supercritical water oxidation SCWO dichloromethane hydrogen chloride corrosion high temperature high pressure nickel chromium alloy 671 INTRODUCTION A major problem for the industrial application of supercritical water oxidation (SCWO) is to find a reactor material which can withstand...

... at the temperatures below 210°C and above 330°C, and in these conditions, no corrosion traces were observed on the cross-sectional views. supercritical subcritical water oxidation SCWO noise analysis ENA nickel-base alloy corrosion monitoring INTRODUCTION Supercritical and high-subcritical water oxidation...

... by careful post-test examinations of corroded specimens (SEM, EDX, XRD, cross-sections). The results should serve as a basis for materials selection and development for SCWO ( S uper c ritical W ater O xidation) applications, especially for those in which acidic solutions are formed. supercritical water...

... part of the tubes. In any case sulfuric acid and oxygen solutions are, for the reactors tested, much more corrosive than HCl or H₃PO₄ solutions. Abstract Corrosion during SCWO treatment is localized in the preheater and cooler sections of the apparatus. In former experiments...

...Abstract Supercritical water oxidation (SCWO) is a promising and very effective method for the oxidation of organic wastes. Its high solubility for organic compounds and its special physical properties (i.e. density, viscosity) resulting in a key advantage over standard processes like incineration...

...Abstract Corrosion tests were conducted to select the material for the decomposition reactor using the SCWO process for organic wastes generated from nuclear plant. Examination conditions were determined assuming the decomposition of chloro-prene and cation exchange resin which generate chloric...

... and analysed. The studies on chromium were performed exposing coupons (8x11mm) of ultra high purity to SCWO corrosion under equal conditions in a second autoclave (Alloy 625) of the same design. The coupons were taken out of the autoclave each 20 h and studied by X-ray diffraction. After 100 h, 200 h and 300 h...

...Abstract Supercritical water oxidation (SCWO) is a promising and very effective method for the oxidation of organic wastes. Its high solubility for organic compounds and its special physical properties (i.e. density, viscosity) result in a key advantage over standard processes like incineration...

...alloy 625 nickel molybdenum chromium alumina sapphire high-temperature water HCl Supercritical Water Oxidation SCWO INTRODUCTION In the supercritical water oxidation process (SCWO), hazardous or toxic organic contaminants in aqueous wastes are rapidly and quantitatively oxidized...

... loss from the large manufacturers tolerances. Also the concentration of titanium in the effluent is in almost all cases lower than 2 ppm. Abstract According to literature data, Nickel base alloys are not sufficiently corrosion resistant in chloride bearing SCWO environments. Titanium was proposed...

...Abstract Supercritical water oxidation (SCWO) is a promising and very effective method for the oxidation of organic wastes. Its high solubility for organic compounds and its special physical properties (i.e. density, viscosity) resulting in a key advantage over standard processes like incineration...

... supercritical water SCWO INTRODUCTION The process of Supercritical Water Oxidation (SCWO) allows a conversion of organics to carbon dioxide and water ^{1 , 2} . The low values of density, dielectric constant and ion product let water act as a non-polar solvent in its supercritical state (T > 374 °C...

... the supercritical values of water. Abstract Alloy 625 is frequently used as reactor material for Supercritical Water Oxidation (SCWO) applications. This is due to the favorable combination of mechanical properties, corrosion resistance, price and availability. Nevertheless, the corrosion of alloy 625 like...