By Geological Society of London

ISBN-10: 1862390401

ISBN-13: 9781862390409

Chemical Containment in the Geosphere offers with chemical methods in the geosphere which may be harnessed to include quite a lot of wastes, a subject of significant value for sound environmental administration. either technical and philosophical matters relating waste containment are thought of. The booklet includes contributions from specialists in mant waste containment applied sciences and covers a few matters, starting from the legislation of radioactive waste administration to the layout of liners for landfills and the administration of mine wastes. An introductory contribution highlights the underlying ideas which are universal to all varieties of waste administration by way of geological skill, and that depend to some degree upon chemical containment. the rest of the publication is split into six sections: 1. where of chemical containment in regulatory frameworks. 2. Chemical containment houses of the deep geosphere. three. The function of chemical containment in clay limitations. four. Chemical containment homes of cementitious engineering limitations. five. Containment of metalliferous wastes. 6. Investigative tools. The e-book will entice all people who are serious about technical elements of waste administration. confirmed researchers will enjoy the multi-disciplinary personality of the quantity. Regulators and planners enthusiastic about waste administration may be in a position to achieve an outline of significant technical concerns proper to waste containment. the quantity can be an invaluable resource for post-graduate point scholars of environmental technological know-how, waste administration and geochemistry. additionally to be had: weather switch and Groundwater - detailed booklet no 288 (Geological Society specified ebook) - ISBN 1862392358 Geological garage of Carbon Dioxide - exact e-book no.233 - ISBN 9781862391635 The Geological Society of LondonFounded in 1807, the Geological Society of London is the oldest geological society on the earth, and one of many biggest publishers within the Earth sciences.The Society publishes quite a lot of top quality peer-reviewed titles for teachers and pros operating within the geosciences, and enjoys an enviable overseas attractiveness for the standard of its work.The many parts during which we post in include:-Petroleum geology-Tectonics, structural geology and geodynamics-Stratigraphy, sedimentology and paleontology-Volcanology, magmatic stories and geochemistry-Remote sensing-History of geology-Regional geology publications

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1992) for an assemblage of low temperature minerals in equilibrium with water and different concentrations of C1-. The mineral assemblage (with controlled element in parenthesis) employed was: chalcedony (Si); albite (Na); K-feldspar (K); laumontite (Ca); chlorite (Mg); kaolinite (A1); calcite (HCO3). basins (Hutcheon et al. 1993; Hanor 1994). Reactions buffering pH in groundwaters are discussed in more detail in a later section. Redox Redox, like pH, is a key variable in groundwater systems and has important effects upon the solubility, speciation and sorption of redoxsensitive radionuclides, and metal corrosion.

Since groundwater transport is a three-stage process, the safety of waste disposal must cover each stage as follows: 9 Isolation: the waste is isolated as efficently as possible against groundwater Principles of disposal In order to achieve the overall objectives, the following main principles are to be applied to the disposal of radioactive waste: 9 9 Immobilization: the radionuclides are fixed in a leach-resistant solid matrix which restricts dissolution in the groundwater. 9 Retention: the migration of radionuclides through the technical barrier system and the geosphere is characterized by various retention or retardation processes such as chemical adsorption, ion exchange, precipitation, chemical interactions, molecular filtration, dispersion and diffusion.

Subsequently, the licensing procedure was started by applying for a general licence, but this is currently blocked due to lack of public acceptance at cantonal level. A deep repository for high-level and long-lived intermediate-level waste. This type of reposi- tory is planned to be located at a depth of 600 to 1000 m below the surface in Northern Switzerland, in a region with rather low topographic relief. The concept includes two vertical shafts for access to the repository area which consists of a system of horizontal drifts containing the wastes.

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