Treatment of uranium waste liquors by the high density sludge process

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dc.contributor.authorTapsell, GJen_AU
dc.contributor.authorRing, RJen_AU
dc.contributor.authorCollier, DEen_AU
dc.date.accessioned2024-04-09T01:51:39Zen_AU
dc.date.available2024-04-09T01:51:39Zen_AU
dc.date.issued1998-09-28en_AU
dc.date.statistics2024-04-04en_AU
dc.descriptionPhysical copy held at DDC: 660.20994/13.en_AU
dc.description.abstractThe treatment of acidic waste liquors is often carried out in a conventional neutralisation circuit using lime as reagent. The High Density Sludge (HDS) process improves this technology by recycling conditioned thickener underflow to modify the precipitate particle formation, leading to an increase in the density of the settled solids. The treatment of two waste liquors from uranium ore processing were tested in both conventional and HDS circuits. The HDS process consumed more reagent than the conventional treatment but improved the quality and quantity of treated effluent for recycle. Tests on the liquors have indicated a marked increase in sludge density using the HDS process compared to conventional treatment. In both cases no change in the particle size was observed, indicating that the HDS solids contain less water in a more compact structure. The increased solids content of the HDS sludge ensured higher filtration rates than the conventionally produced sludge, and allowed filter cakes of lower moisture content to be produced.en_AU
dc.identifier.booktitleChemeca 98 Proceedings, Port Douglas, 28-30 September 1998en_AU
dc.identifier.citationTapsell, G. J., Ring, R. J., & Collier, D. E. (1998). Treatment of uranium waste liquors by the high density sludge process. Paper presented to Chemeca 98 : creating competetive resources : the 26th Australasian Chemical Engineering conference, Port Douglas, Queensland, Australia, 28-30 September 1998. In Chemeca 98 Proceedings, Port Douglas, 28-30 September 1998.en_AU
dc.identifier.conferenceenddate1998-09-30en_AU
dc.identifier.conferencenameChemeca 98 : creating competetive resources : the 26th Australasian Chemical Engineering conferenceen_AU
dc.identifier.conferenceplacePort Douglas, Queenslanden_AU
dc.identifier.conferencestartdate1998-09-28en_AU
dc.identifier.isbn1858256835en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15553en_AU
dc.language.isoenen_AU
dc.publisherInstitution of Engineers Australiaen_AU
dc.subjectRadioactive wastesen_AU
dc.subjectUraniumen_AU
dc.subjectSludgesen_AU
dc.subjectReagentsen_AU
dc.subjectSolidsen_AU
dc.subjectOre processingen_AU
dc.subjectParticle sizeen_AU
dc.subjectANSTOen_AU
dc.titleTreatment of uranium waste liquors by the high density sludge processen_AU
dc.typeConference Paperen_AU
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