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HYDROFRACTURE DISPOSAL [1 record]
Record 1 - internal organization data 1996-03-31
Record 1, English
Record 1, Subject field(s)
- Waste Management
- Nuclear Waste Materials
Record 1, Main entry term, English
- hydrofracture disposal
1, record 1, English, hydrofracture%20disposal
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- hydrofracturing 2, record 1, English, hydrofracturing
- hydraulic injection 2, record 1, English, hydraulic%20injection
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
There are two forms of injection into deep geologic formations that have been suggested or used for LLW disposal: hydrofracture and deep well injection. Both methods are primarily useful only for liquid or finely ground wastes. They both take precautions to prevent contaminating useful aquifers by carefully selecting the geologic formations into which the waste is injected. Hydrofracture disposal also uses a very insoluble waste form. Generally, hydrofracture involves injection of a mixture of waste and liquid grouting materials under high pressure into a deep layered rock formation such as shale. The injected material causes layers of rock to separate and the material forms flat "sheets" extending out from the injection well. The grout causes some surface uplift near the injection well. 1, record 1, English, - hydrofracture%20disposal
Record number: 1, Textual support number: 2 CONT
Because of difficulty in transporting liquid wastes safely, the hydrofracture facility must be located near the source of the waste. A hydrofracture site requires large, generally impermeable (to nearby aquifers) layered formations that fracture horizontally. The surface area needed and visual impact of a hydrofracture facility are relatively small. Major barriers to nuclide release are the grout (waste form) and the geologic formation used. Perhaps the greatest problem with hydraulic injection is that there is little control of fracture propagation and it is not possible to define the final geometry of the grout/waste sheets from the surface. 2, record 1, English, - hydrofracture%20disposal
Record number: 1, Textual support number: 3 CONT
Hydrofracturing would not be appropriate for Eldorado wastes because of the large volume of waste and the questionable ability to dry and pulverize it to the necessary fineness (40 mesh or smaller). 2, record 1, English, - hydrofracture%20disposal
Record 1, French
Record 1, Domaine(s)
- Gestion des déchets
- Déchets nucléaires
Record 1, Main entry term, French
- fracturation hydraulique
1, record 1, French, fracturation%20hydraulique
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Gestión de los desechos
- Desechos nucleares
Record 1, Main entry term, Spanish
- fracturación hidráulica
1, record 1, Spanish, fracturaci%C3%B3n%20hidr%C3%A1ulica
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- hidrofracturación 1, record 1, Spanish, hidrofracturaci%C3%B3n
correct, feminine noun
- hidrofractura 2, record 1, Spanish, hidrofractura
feminine noun
Record 1, Textual support, Spanish
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