Remote vacuum compaction of compressible hazardous waste Page: 4 of 15
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- - S-72,777
5 REMOTE VACUUM COMCTION OF COMPRESSIBLE HMARDOUS WASTE,
TELD OF THE INVENTION
The present imverion relates to disposal xf compressible
:azardous waste, aid mre particularly to vacuur compression of
10 adioactive, hazardous toxic and biological comiressible waste
BACKGROUND OF THE INVENTION
Typically, in inuc ear applications, compresible low
15 specific, activity (( LSA waste, such as contamimted disposable
'aper or fabric items; are compacted in 55 gailm drums at a
- emote processing faciity located away from whire the waste is
actually generated.. 7is -requires that the wasse, which is
collected in plastic'b-gs and often mixed with _oncompressible
20 Taste, be packed im la-ge protective containers and transported
o the processing :aci.Ity. There, special equipment is used to
rpen the bags and wegrrgate the noncompressible waste, as-
zecessary, and compact the waste into drums, ax: in a
-adiological enviracme t. Typically a large roan or building
25 ;quipped with a high deficiency filtered exhaus- system is
:equired at the fac i.iiy to store incoming and xutgoing waste.
This 'conventiaarnal method for disposal is inefficient and
loses an increased. ris: of hazardous exposure ti the workers
involved . The steps a loading the waste at tI-_ point of
30 ;eneration and them hmaing to unload it at the compaction
facility is time .connsinimag and requires extra equipment. These
extra handling steps zso increase the risk of exposure to the
Workers who' must hayndl the bags of waste. Moreover, the bags
:annot be stoied ef'fic.ently because of -the higr percentage of -
35 'void space within- enach waste bag,' mainly comprising air.
What-is desire d .i a portable system capable of compacting
.he waste at the si ate if generation, such that further compaction
at a. remote facility ca be eliminated. 'It is therefore an
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Coyne, M.J.; Fiscus, G.M. & Sammel, A.G. Remote vacuum compaction of compressible hazardous waste, patent, December 31, 1996; West Mifflin, Pennsylvania. (https://digital.library.unt.edu/ark:/67531/metadc711515/m1/4/: accessed April 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.