National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

Details

Optimised Conditioning of Activated Reactor Graphite.

DE2005827936

Publication Date	2002
Personal Author	Tress, G.; Doehring, L.; Pauli, H.; Beer, H. F.
Page Count	10
Abstract	The research reactor DIORIT at the Paul Scherrer Institute was decommissioned in 1993 and is now being dismantled. One of the materials to be conditioned is activated reactor graphite, approximately 45 tons. A cost effective conditioning method has been developed. The graphite is crushed to less than 6 mm and added to concrete and grout. This graphite concrete is used as matrix for embedding dismantling waste in containers. The waste containers that would have been needed for separate conditioning and disposal of activated reactor graphite are thus saved. Applying the new method, the cost can be reduced from about 55 SFr/kg to about 17 SFr/kg graphite.
Keywords	Conditioning Concretes Containers Nuclear reactors Research Waste management Wastes Activated reactor graphite
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Paul Scherrer Inst., Villigen (Switzerland).; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200519

Optimised Conditioning of Activated Reactor Graphite.

Optimised Conditioning of Activated Reactor Graphite.
DE2005827936

Publication Date	2002
Personal Author	Tress, G.; Doehring, L.; Pauli, H.; Beer, H. F.
Page Count	10
Abstract	The research reactor DIORIT at the Paul Scherrer Institute was decommissioned in 1993 and is now being dismantled. One of the materials to be conditioned is activated reactor graphite, approximately 45 tons. A cost effective conditioning method has been developed. The graphite is crushed to less than 6 mm and added to concrete and grout. This graphite concrete is used as matrix for embedding dismantling waste in containers. The waste containers that would have been needed for separate conditioning and disposal of activated reactor graphite are thus saved. Applying the new method, the cost can be reduced from about 55 SFr/kg to about 17 SFr/kg graphite.
Keywords	Conditioning Concretes Containers Nuclear reactors Research Waste management Wastes Activated reactor graphite
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Paul Scherrer Inst., Villigen (Switzerland).; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200519