Derek Cutforth
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View article: Impacts of Cr(III) and Cr(VI) concentrations on key high‐level waste glass properties
Impacts of Cr(III) and Cr(VI) concentrations on key high‐level waste glass properties Open
This study investigates the effects of chromium concentration and redox on simulated high‐level waste (HLW) borosilicate glass properties for high‐chromium Hanford wastes. Thirty glasses with target 1 ≤ Cr 2 O 3 ≤ 2.5 wt% were fabricated a…
View article: Thermo‐rheological snapshot of melter feed conversion to glass
Thermo‐rheological snapshot of melter feed conversion to glass Open
Slurry feed charged into an electric melter creates a layer of reacting and melting material (termed cold cap) that floats on the surface of molten glass. The rheological behavior of heated melter feed affects the spreading of slurry at th…
View article: Vitrification of Hanford Tank 241-AN-107 Waste and Equivalent Simulant
Vitrification of Hanford Tank 241-AN-107 Waste and Equivalent Simulant Open
Hanford Site nuclear waste is to be vitrified at the Waste Treatment and Immobilization Plant (WTP), which is a part of the safe and efficient retrieval, treatment, and disposal mission of the U.S. Department of Energy Office of River Prot…
View article: Structural changes in borosilicate glasses as a function of Fe2O3 content: A multi-technique approach
Structural changes in borosilicate glasses as a function of Fe2O3 content: A multi-technique approach Open
Three series of borosilicate glasses were prepared, ranging from simple ternary sodium borosilicate glasses (SCFe series), to complex borosilicate glasses (CCFe Series), to high-level radioactive waste analogue glasses (HAFe series). 57Fe …
View article: Enhanced Hanford High-Fluoride Waste Glass Property Data Development: Phase 1
Enhanced Hanford High-Fluoride Waste Glass Property Data Development: Phase 1 Open
This study focused on investigating the effects of fluorine concentration on simulated high-level waste glass properties to eventually establish a fluorine limit (as a single-component or multiple-component constraint) for glass formulatio…
View article: Vitrification of Hanford Tank 241-AP-105 Waste at 7 M Na and Equivalent Simulant
Vitrification of Hanford Tank 241-AP-105 Waste at 7 M Na and Equivalent Simulant Open
Hanford Site nuclear waste is to be vitrified at the Waste Treatment and Immobilization Plant (WTP), which is a part of the safe and efficient retrieval, treatment, and disposal mission of the U.S. Department of Energy Office of River Prot…
View article: Enhanced Hanford Low-Activity Waste Glass Property Data Development: Phase 5 and Phase 6
Enhanced Hanford Low-Activity Waste Glass Property Data Development: Phase 5 and Phase 6 Open
This report summarizes the data collected on two test matrices of low-activity waste (LAW) glass compositions intended to expand the composition-property database: Low-Activity Waste (LAW) Phase 5: Expansion of LAW Glass Composition Bounda…
View article: The effects of phosphorus pentoxide additions on the thermal, rheological, and structural properties of sodium borosilicate glass
The effects of phosphorus pentoxide additions on the thermal, rheological, and structural properties of sodium borosilicate glass Open
This research has characterized the effects of P2O5 additions on the physical, chemical, thermal, rheological properties and the structure of SiO2-B2O3-Na2O glasses relevant to radioactive waste immobilization. Properties analysed include …
View article: Hanford Low-Activity Waste Glass Minor Component Concentration Boundary Expansion
Hanford Low-Activity Waste Glass Minor Component Concentration Boundary Expansion Open
This study investigated the effects of increasing concentrations of minor components on simulated Hanford low-activity waste (LAW) glass properties to allow for LAW glass composition envelope expansion. A test matrix of ten glasses was gen…
View article: Vitrification of Hanford Tank 241-AP-101 Waste and Simulant
Vitrification of Hanford Tank 241-AP-101 Waste and Simulant Open
Hanford tank 241-AP-101 (referred to herein as AP-101) is the second Hanford radioactive tank waste planned to be processed and vitrified. A simulant version of AP 101 waste was formulated from the best-basis inventory (BBI) for the Hanfor…
View article: Vitrification of Hanford Tank Wastes for Condensate Recycle and Feed Composition Changeover Testing (Rev. 1)
Vitrification of Hanford Tank Wastes for Condensate Recycle and Feed Composition Changeover Testing (Rev. 1) Open
During the vitrification of Hanford Site nuclear waste at the Waste Treatment and Immobilization Plant (WTP), which is a part of the safe and efficient retrieval, treatment, and disposal mission of the U.S. Department of Energy Office of R…
View article: Vitrification of Hanford Tank Wastes for Condensate Recycle and Feed Composition Changeover Testing
Vitrification of Hanford Tank Wastes for Condensate Recycle and Feed Composition Changeover Testing Open
During the vitrification of Hanford Site nuclear waste at the Waste Treatment and Immobilization Plant (WTP), which is a part of the safe and efficient retrieval, treatment, and disposal mission of the U.S. Department of Energy Office of R…
View article: CSD 2052907: Experimental Crystal Structure Determination
CSD 2052907: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Enhanced Hanford Low-Activity Waste Glass Property Data Development: Phase 4
Enhanced Hanford Low-Activity Waste Glass Property Data Development: Phase 4 Open
This report summarizes and analyzes the data collected on a fourth test matrix of 25 low-activity waste glass compositions intended to expand the composition-property database and to validate the Vienna et al. (2020) property-composition m…
View article: Low-Activity Waste Glass Standards Preparation and Characterization for Calibration of Analytical Instruments
Low-Activity Waste Glass Standards Preparation and Characterization for Calibration of Analytical Instruments Open
A matrix of seven low-activity waste (LAW) glasses was fabricated and characterized to be used by the Hanford Waste Treatment and Immobilization Plant (WTP) as analytical instrument calibration and matrix interference standards when measur…
View article: Melting rate correlation with batch properties and melter operating conditions during conversion of nuclear waste melter feeds to glasses
Melting rate correlation with batch properties and melter operating conditions during conversion of nuclear waste melter feeds to glasses Open
The rate of conversion of nuclear waste melter feed to glass is affected by the selection of melter feed materials and by melter design and operation. The melting rate correlation (MRC) is an equation that relates the glass production rate…
View article: Vitrification of Hanford Tank 241-AP-107 with Recycled Condensate
Vitrification of Hanford Tank 241-AP-107 with Recycled Condensate Open
During the vitrification of nuclear waste at the Hanford Waste Treatment and Immobilization Plant (WTP) – the primary mission of the U.S. Department of Energy Office of River Protection – the offgas condensate generated from the waste-to-g…
View article: Continuous Laboratory-Scale Melter Runs for System Evaluation
Continuous Laboratory-Scale Melter Runs for System Evaluation Open
The Waste Treatment and Immobilization Plant (WTP) will process and stabilize waste that is stored in underground tanks on the Hanford Site. Currently, the first phase of the planned WTP startup and operation, called Direct Feed Low-Activi…
View article: Enhanced Hanford Low-Activity Waste Glass Property Data Development (Phase 3)
Enhanced Hanford Low-Activity Waste Glass Property Data Development (Phase 3) Open
This work was performed for the U.S. Department of Energy (DOE) Office of River Protection (ORP) to provide expert evaluation and experimental work in support of the River Protection Project vitrification technology development1. The long-…
View article: Vitrification of Hanford Tank Waste 241-AP-107 in a Continuous Laboratory-Scale Melter
Vitrification of Hanford Tank Waste 241-AP-107 in a Continuous Laboratory-Scale Melter Open
Low-activity waste (LAW) stored in underground tanks on the Hanford Site in Washington State is planned to be filtered for solids removal and processed through ion exchange columns for cesium removal. These pretreatment steps will allow th…
View article: Vitrification of Hanford Tank Waste 241-AP-105 in a Continuous Laboratory-Scale Melter
Vitrification of Hanford Tank Waste 241-AP-105 in a Continuous Laboratory-Scale Melter Open
Low-activity waste (LAW) stored in underground tanks on the Hanford site in Washington State is planned to be filtered for solids removal and processed through ion exchange columns for cesium removal at the Low-Activity Waste Pretreatment …