Zobrazeno 1 - 10
of 25
pro vyhledávání: '"A.J Mattus"'
Autor:
R.D. Spence, A.J. Mattus
Publikováno v:
Journal of Environmental Management. 70:189-202
Oak Ridge tank sludges that have been collected over several decades are being combined for treatment and disposal. Stabilization of the highly radioactive, mixed-waste sludges in the different tank sets has been evaluated prior to the proposed combi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c2d3d2d4eb9375c6481ec75e85f66cb
https://doi.org/10.1016/j.jenvman.2003.12.003
https://doi.org/10.1016/j.jenvman.2003.12.003
Autor:
A.J Mattus, R.D. Spence
Publikováno v:
Journal of Environmental Management. 70:215-233
Highly radioactive, mixed-waste sludges that have been collected in tanks at Oak Ridge over several decades are being combined for treatment and disposal. Stabilization of the sludges in the different tank sets was tested prior to the proposed combin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19df8f0c082e6df941d55aa8e8ad4dfd
https://doi.org/10.1016/j.jenvman.2003.12.008
https://doi.org/10.1016/j.jenvman.2003.12.008
Publikováno v:
Waste Management. 19:453-465
Grout and glass formulations were developed for the stabilization of highly radioactive tank sludges. These formulations were tested in the laboratory with a surrogate and with a sample of an actual mixed waste tank sludge. The grout formulation was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cc3aa542c4620cc4b50888704c4f5c3
https://doi.org/10.1016/s0956-053x(99)00237-8
https://doi.org/10.1016/s0956-053x(99)00237-8
Autor:
A.J. Mattus
The focus of this study was the desilication kinetics of a Savannah River Site (SRS) tank farm 2H simulant over the temperature range of 40 to 100 C. Results showed that the formation of nitrate-nitrite-based sodalite over aluminum-to-silicon (Al:Si)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::238c619edfd0224d86b8a765377e5db0
https://doi.org/10.2172/814572
https://doi.org/10.2172/814572
Autor:
A.J. Mattus
The use of an engineered form of crystalline silicotitanate as a potential sorbent for the removal and concentration of cesium from the high-level waste at the Savannah River Site was investigated. Results conclusively showed this sorbent to be unaff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa253cc957e155daedf7ba390c78022c
https://doi.org/10.2172/777609
https://doi.org/10.2172/777609
Autor:
P.A. Taylor, T.A. Dillow, K.K. Anderson, R.D. Hunt, M.W. Getting, D.A. Bostick, A.J. Mattus, T.D. Welch, W.R. Wilmarth, R. Lenarduzzi
Crystalline silicotitanate (CST) sorbent is one of several technologies being evaluated by the Savannah River Site (SRS) for removing cesium from high-level tank-waste supernatant. As currently envisioned, three large 5-ft-diam, 20-ft-high ion-exchan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03ea04017058e23b888d645820a23d50
https://doi.org/10.2172/754361
https://doi.org/10.2172/754361
Wastewater at Oak Ridge National Laboratory (ORNL) is collected, evaporated, and stored in the Melton Valley Storage Tanks (MVST) pending treatment for disposal. The waste separates into two phases: sludge and supematant. Some of the supematant from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::739d898b0fbad153fdfb4256b8fb2827
https://doi.org/10.2172/296624
https://doi.org/10.2172/296624
Grouting and vitrification are currently the most likely stabilization/solidification technologies for mixed wastes. Grouting has been used to stabilize and solidify hazardous and low-level waste for decades. Vitrification has long been developed as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9614f3ec7c5c571fd4e85ea28debdcb6
https://doi.org/10.2172/671901
https://doi.org/10.2172/671901
Autor:
A.J. Mattus, R.D. Hunt, I. Muguercia, Ebadian, W. Li, D.D. Lee, L. Lagos, G. Yang, J.W. Walker
Recently, a new immobilization technique for LLW, the Nitrate to Ammonia and Ceramic (NAC) process, has been developed. Instead of mixing the liquid waste form directly with the cement to make concrete blocks, the NAC process eliminates the nitrate f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::082b6cc6be3ffe2cdb5bba1c67430e8e
https://doi.org/10.2172/28207
https://doi.org/10.2172/28207
Continuing benchtop studies using Hanford single-shell tank (SST) simulants and actual Oak Ridge National Laboratory (ORNL) low-level waste (LLW), employing a new denitration process for converting nitrate to ammonia and ceramic (NAC), have conclusiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96caca5a88924ae9586e769c0c921cae
https://doi.org/10.2172/10118691
https://doi.org/10.2172/10118691