Fusion-Fission Transmutation Scheme-Efficient destruction of nuclear waste

被引：69

作者：

Kotschenreuther, M. ^{[1
]}

Valanju, P. M. ^{[1
]}

Mahajan, S. M. ^{[1
]}

Schneider, E. A.

机构：

[1] Univ Texas Austin, Inst Fus Studies, Austin, TX 78712 USA

来源：

FUSION ENGINEERING AND DESIGN | 2009年 / 84卷 / 01期

关键词：

Fusion-Fission Hybrid; Compact fusion neutron source; Transmutation; Fuel cycle; Nuclear waste destruction; High power density; SPENT FUEL; PHYSICS BASIS; POWER-PLANT; DEMO;

D O I：

10.1016/j.fusengdes.2008.11.019

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

A fusion-assisted transmutation system for the destruction of transuranic nuclear waste is developed by combining a subcritical fusion-fission hybrid assembly uniquely equipped to burn the worst thermal nonfissile transuranic isotopes with a new fuel cycle that uses cheaper light water reactors for most of the transmutation. The center piece of this fuel cycle, the high power density compact fusion neutron Source (100 MW, outer radius <3 m), is made possible by a new divertor with a heat-handling capacity five times that of the standard alternative. The number or hybrids needed to destroy a given amount of waste is an order of magnitude below the corresponding number of critical fast-spectrum reactors (FRs) as the latter cannot fully exploit the new fuel cycle. Also, the time needed for 99% transuranic waste destruction reduces from centuries (with FR) to decades. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：83 / 88

页数：6

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