Rol van Fossiele bronnen: rapport - Instituut Samenleving en ...
Rol van Fossiele bronnen: rapport - Instituut Samenleving en ...
Rol van Fossiele bronnen: rapport - Instituut Samenleving en ...
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In situ leaching (ISL)<br />
The recovery by chemical leaching of minerals from porous orebodies without<br />
physical excavation. Also known as solution mining.<br />
Ionising radiation – Ioniser<strong>en</strong>de straling<br />
Radiation (including alpha particles) capable of breaking chemical bonds, thus<br />
causing ionisation of the matter through which it passes and damage to living.<br />
Mixed oxide fuel (MOX)<br />
Reactor fuel which consists of both uranium and plutonium oxides, usually about<br />
5% Pu, which is the main fissile compon<strong>en</strong>t.<br />
Natural uranium<br />
Uranium with an isotopic composition as found in nature, containing 99.3%<br />
U-238, 0.7% U-235 and a trace of U-234. Can be used as fuel in heavy<br />
water-moderated reactors.<br />
Oxide fuels – Oxide brandstof<br />
Enriched or natural uranium in the form of the oxide UO2, used in many types of<br />
reactor.<br />
Radioactivity - Radioactiviteit<br />
The spontaneous decay of an unstable atomic nucleus, giving rise to the<br />
emission of radiation.<br />
Radiotoxicity – Radiotoxiciteit<br />
The adverse health effect of a radionucleide due to its radioactivity.<br />
Radium<br />
A radioactive decay product of uranium oft<strong>en</strong> found in uranium ore. It has several<br />
radioactive isotopes. Radium-226 decays to radon-222.<br />
Radon (Rn)<br />
A heavy radioactive gas giv<strong>en</strong> off by rocks containing radium (or thorium).<br />
Rn-222 is the main isotope.<br />
Separative Work Unit (SWU) – Gescheid<strong>en</strong> werke<strong>en</strong>heid<br />
This is a complex unit which is a function of the amount of uranium processed<br />
and the degree to which it is <strong>en</strong>riched, ie the ext<strong>en</strong>t of increase in the<br />
conc<strong>en</strong>tration of the U-235 isotope relative to the remainder. The unit is strictly:<br />
Kilogram Separative Work Unit, and it measures the quantity of separative work<br />
(indicative of <strong>en</strong>ergy used in <strong>en</strong>richm<strong>en</strong>t) wh<strong>en</strong> feed and product quantities are<br />
expressed in kilograms.<br />
Sievert (Sv)<br />
Unit indicating the biological damage caused by radiation. One Joule of beta or<br />
gamma radiation absorbed per kilogram of tissue has 1 Sv of biological effect; 1<br />
J/kg of alpha radiation has 20 Sv effect and 1 J/kg of neutrons has 10 Sv effect.<br />
148<br />
Zoek<strong>en</strong>, vind<strong>en</strong> <strong>en</strong> winn<strong>en</strong>