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Titolo:
A comparison of HLW-glass and PWR-borate waste glass
Autore:
Luo, SG; Sheng, JW; Tang, BL;
Indirizzi:
Inst Atom Energy, Beijing 102413, Peoples R China Inst Atom Energy Beijing Peoples R China 102413 102413, Peoples R China
Titolo Testata:
JOURNAL OF NUCLEAR MATERIALS
fascicolo: 1-2, volume: 298, anno: 2001,
pagine: 180 - 183
SICI:
0022-3115(200109)298:1-2<180:ACOHAP>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Luo, SG Inst Atom Energy, POB 275-1, Beijing 102413, Peoples R China Inst Atom Energy POB 275-1 Beijing Peoples R China 102413 R China
Citazione:
S.G. Luo et al., "A comparison of HLW-glass and PWR-borate waste glass", J NUCL MAT, 298(1-2), 2001, pp. 180-183

Abstract

Glass can incorporate a wide variety of wastes ranging from high level wastes (HLW) to low and intermediate level wastes (LILW). A comparison of HLW-Glass and PWR-borate waste glass is given in this paper. The HLW glass formulation named eGC-12/9B and 90-19/U can incorporate 16-20 wt% HLW at 1100 degreesC or 1150 degreesC. The borate waste glass named SL-1 can incorporate45 wt% borate waste generated from PWR. Their physical properties, characteristic temperatures, chemical durability and leach behavior are summarizedhere. The comparison indicates: the PWR-glass SL-1 can incorporate up to 45 wt% waste oxides at lower melting temperature (1000 degreesC) in agreement with minimum additive waste stabilization (MAWS) approach, owing to the PWR-borate glass contain less Si and more B and Na, its mass loss is higher than HWR-glass; both HLW-glass and PWR-borate glass have favorable chemicaldurability and the same leaching phenomena, i.e., Na is mostly depleted, but Ca, Mg, Al and Ti are enriched in the leached surface layer. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 25/09/20 alle ore 21:33:36