The efforts conducted so far to deal with and evaluate the reliability of passive safety systems (as the thermal-hydraulic passive systems), being implemented in advanced water cooled reactor designs, has aroused an amount of open issues. They should be addressed and conveniently worked out, since it is the major goal of the international community (e.g IAEA) to strive to harmonize the differen...

With the deterioration of the water resources of the world, looking for an economically viable solution to treat wastewater is a challenge, especially in developing countries, where the costs of setting up, operation and maintenance of conventional aerobic treatment plants are difficult to be met with. The various advantages of the anaerobic treatment technologies over the existing aerobic trea...

The Experimental Breeder Reactor-II (EBR-II) was a 62.5 MWt±20 MWe sodium cooled fast reactor that was operated successfully for 30 years. Over its period of operation a wealth of fuels and materials information originated from EBR-II. Several missions were conducted in EBR-II, all of which yielded new and valuable additions to the world's knowledge base for nuclear materials. Some of the ®rst ...

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INTRODUCTION Anaerobic technology have been successful applied for industrial waste water treatment. High reaction rate per unit volume by retaining the biomass in the reactor independently of the incoming waste water flow and concentration. Often high volumetric loading rates in the order of 10 to 40 kg COD/m.d are used. High rate anaerobic biological reactors may be classified into three broa...

Solar-assisted water electrolysis is a promising technology for storing the energy of incident solar irradiation into hydrogen as fuel. Here, an integrated continuous flow electrochemical reactor coupled to monolithic perovskite-silicon tandem cell demonstrated that provides light-driven solar-to-hydrogen conversion with efficiency exceeding 21% at 1-Sun equivalent light intensity and stable op...

A tubular pilot scale fixed-bed reactor for the Fischer–Tropsch Synthesis (FTS) was simulated to numerically demonstrate the conversion of synthesis gas (CO+H2) to higher hydrocarbons over an iron based catalyst. The reactor was a 3.1 cm diameter and 2.75 m length steel tube. The feed temperature were between 563583 K. Saturated water was employed to control the peak temperature within the cata...