scholarly journals Single-Pass Flow Through (SPFT) Testing of Fluidized-Bed Steam Reforming (FBSR) Waste Forms

2005 ◽  
Author(s):  
T. H. Lorier ◽  
J. M. Pareizs ◽  
C. M. Jantzen
Keyword(s):  
Fluidized Bed ◽  
Steam Reforming ◽  
Single Pass ◽  
Waste Forms ◽  
Flow Through

Catalytic Steam Reforming of Fast Pyrolysis Bio-Oil in Fixed Bed and Fluidized Bed Reactors

2010 ◽  
Vol 33 (12) ◽  
pp. 2021-2028 ◽  
Author(s):  
P. Lan ◽  
Q. Xu ◽  
M. Zhou ◽  
L. Lan ◽  
S. Zhang ◽  
...  
Keyword(s):  
Fluidized Bed ◽  
Steam Reforming ◽  
Fast Pyrolysis ◽  
Fixed Bed ◽  
Fluidized Bed Reactors ◽  
Bio Oil ◽  
Catalytic Steam Reforming

Aging Studies of Pu-238 and -239 Containing Calcium Phosphate Ceramic Waste-forms

2013 ◽  
Vol 1518 ◽  
pp. 73-78 ◽  
Author(s):  
Shirley K. Fong ◽  
Brian L. Metcalfe ◽  
Randall D. Scheele ◽  
Denis M. Strachan
Keyword(s):  
Calcium Phosphate ◽  
Accelerated Aging ◽  
Waste Form ◽  
Calcium Phosphate Ceramic ◽  
Ceramic Waste ◽  
Waste Forms ◽  
Aging Studies ◽  
Flow Through ◽  
Pyrochemical Reprocessing

ABSTRACTA calcium phosphate ceramic waste-form has been developed at AWE for the immobilisation of chloride containing wastes arising from the pyrochemical reprocessing of plutonium. In order to determine the long term durability of the waste-form, aging trials have been carried out at PNNL. Ceramics were prepared using Pu-239 and -238, these were characterised by PXRD at regular intervals and Single Pass Flow Through (SPFT) tests after approximately 5 yrs.While XRD indicated some loss of crystallinity in the Pu-238 samples after exposure to 2.8 x 1018 α decays, SPFT tests indicated that accelerated aging had not had a detrimental effect on the durability of Pu-238 samples compared to Pu-239 waste-forms.

Uranium Release from Acidic Weathered Hanford Sediments: Single-Pass Flow-Through and Column Experiments

2017 ◽  
Vol 51 (19) ◽  
pp. 11011-11019 ◽  
Author(s):  
Guohui Wang ◽  
Wooyong Um ◽  
Zheming Wang ◽  
Estela Reinoso-Maset ◽  
Nancy M. Washton ◽  
...  
Keyword(s):  
Column Experiments ◽  
Single Pass ◽  
Flow Through
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