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Title: QUARTZ MELT RATE FURNACE EVALUATION USING SLUDGE BATCH 3 FEED

Abstract

The Quartz Melt Rate Furnace (QMRF) was developed to study the melt rate and offgas composition of simulated Defense Waste Processing Facility (DWPF) melter feed. The objective of this testing was to evaluate whether the apparatus could be used to study the offgas chemistry of melting batches and perform small-scale slurry-fed melt rate tests. The furnace was tested in three different configurations: a dry-fed test with offgas analysis, a slurry-fed test without offgas analysis, and a slurry-fed test with offgas analysis. During the dry-fed test, offgas composition was successfully measured throughout the run and total offgas flow was calculated from the helium tracer concentration. During the slurry-feeding tests without offgas analysis, the furnace exhibited stable feeding behavior with no problems with feed tube pluggage. Feeding behavior was used to measure the melt rate of Sludge Batch 3 with Frit 320 and with Frit 418. Both frits had approximately the same melt rate during the tests based on amount of melter feed added per minute. During the slurry-fed test with offgas analysis, spikes in the data prevented overall offgas flow analysis from the helium tracer, but the ratio of different offgas species allowed the composition data to be compared between runs.more » Minor improvements were identified that would enhance the performance of the furnace and further testing should be performed to optimize the performance of the apparatus. These tests should focus on increasing the stability of offgas composition data by providing more surge capacity in the offgas system, determining the sensitivity of the furnace to melt rate during slurry-fed tests and refining the lid heat power to optimize melt rate measurements, and to develop the capability to utilize the system with radioactive feeds.« less

Authors:
Publication Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
835098
Report Number(s):
WSRC-TR-2004-00464
TRN: US0407472
DOE Contract Number:  
AC09-96SR18500
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 1 Sep 2004
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; CAPACITY; CHEMISTRY; EVALUATION; FEEDING; FURNACES; HELIUM; MELTING; PERFORMANCE; QUARTZ; REFINING; SENSITIVITY; SLUDGES; STABILITY; SURGES; TESTING; WASTE PROCESSING; MELT RATE; DWPF; OFFGASANALYSIS; HYDROGEN

Citation Formats

STONE, MICHAEL. QUARTZ MELT RATE FURNACE EVALUATION USING SLUDGE BATCH 3 FEED. United States: N. p., 2004. Web. doi:10.2172/835098.
STONE, MICHAEL. QUARTZ MELT RATE FURNACE EVALUATION USING SLUDGE BATCH 3 FEED. United States. https://doi.org/10.2172/835098
STONE, MICHAEL. 2004. "QUARTZ MELT RATE FURNACE EVALUATION USING SLUDGE BATCH 3 FEED". United States. https://doi.org/10.2172/835098. https://www.osti.gov/servlets/purl/835098.
@article{osti_835098,
title = {QUARTZ MELT RATE FURNACE EVALUATION USING SLUDGE BATCH 3 FEED},
author = {STONE, MICHAEL},
abstractNote = {The Quartz Melt Rate Furnace (QMRF) was developed to study the melt rate and offgas composition of simulated Defense Waste Processing Facility (DWPF) melter feed. The objective of this testing was to evaluate whether the apparatus could be used to study the offgas chemistry of melting batches and perform small-scale slurry-fed melt rate tests. The furnace was tested in three different configurations: a dry-fed test with offgas analysis, a slurry-fed test without offgas analysis, and a slurry-fed test with offgas analysis. During the dry-fed test, offgas composition was successfully measured throughout the run and total offgas flow was calculated from the helium tracer concentration. During the slurry-feeding tests without offgas analysis, the furnace exhibited stable feeding behavior with no problems with feed tube pluggage. Feeding behavior was used to measure the melt rate of Sludge Batch 3 with Frit 320 and with Frit 418. Both frits had approximately the same melt rate during the tests based on amount of melter feed added per minute. During the slurry-fed test with offgas analysis, spikes in the data prevented overall offgas flow analysis from the helium tracer, but the ratio of different offgas species allowed the composition data to be compared between runs. Minor improvements were identified that would enhance the performance of the furnace and further testing should be performed to optimize the performance of the apparatus. These tests should focus on increasing the stability of offgas composition data by providing more surge capacity in the offgas system, determining the sensitivity of the furnace to melt rate during slurry-fed tests and refining the lid heat power to optimize melt rate measurements, and to develop the capability to utilize the system with radioactive feeds.},
doi = {10.2172/835098},
url = {https://www.osti.gov/biblio/835098}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Sep 01 00:00:00 EDT 2004},
month = {Wed Sep 01 00:00:00 EDT 2004}
}