Collapse Behaviour of Compacted Coal Ashes

COLLAPSE BEHAVIOUR OF PLATES UNDER THRUST

In line with the current research on the ultimate strength assessment of ship hull girders, careful understanding of the collapse behaviour of unstiffened plate elements within the ship hull girders is an important and necessary task. In this paper, the collapse behaviour of unstiffened plates under longitudinal and transverse thrust is studied by elastoplastic large deflection FEM and the char...

On the Radioactivity of Fly Ashes from Coal Power Plants

The radioactivity of Greek lignites and their ashes was studied. It was found that the radionuclides in them belong to the uranium series. Fly ashes are relatively rich in radioactivity. Concentrations up to 7 , 1 0 _ 5 g / g and 12 pCi/g were measured for 238U and 226Ra, respectively. The associated hazards from radioactivity escaping from stacks of thermopower plants or when fly ashes are use...

Characterization of Nano-Ashes Generated during Pulverized Coal Combustion

Ashes to ashes

The Natural History Museum in London is to return the remains of 8 aboriginal people to the Australian government. The remains include the skull of an aboriginal person thought to have been illegally exported to Britain in 93. The rest comprise the remains of 7 indigenous individuals from Tasmania and will be returned after a three-month period of study by scientists. Museum director Michael Di...

Ecotoxicological assessment of ashes and particulate matter from fluidized bed combustion of coal.

Toxicity of ash and particulate matter from the gases generated in coal fluidized bed combustion (FBC) has been determined by the Microtox assay according to the standard leachate procedure. Results are compared with the polycylic aromatic hydrocarbon (PAH) content of the particulate matter, which was determined by fluorescence spectroscopy. Although PAHs are considered highly toxic compounds, ...