Colloidal Agglomerates in Tank Sludge: Impact on Waste Processing

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Insoluble colloidal sludges in hazardous waste streams such as tank wastes can pose serious problems for waste processing, interfering with retrieval, transport, separation, and solidification processes. Properties of sediment layers and sludge suspensions such as slurry viscosities, sedimentation rates, and final sediment densities can vary by orders of magnitude depending on the particle types present, the degree to which the particles agglomerate, and processing parameters such as shear rates, pH, salt content, and temperature. The objectives of this research are to: understand the factors controlling the nature and extent of colloidal agglomeration under expected waste processing conditions; determine how agglomeration ... continued below

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Tingey, Joel M.; Martin, J.A. & Berg, John D. June 1, 1999.

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Insoluble colloidal sludges in hazardous waste streams such as tank wastes can pose serious problems for waste processing, interfering with retrieval, transport, separation, and solidification processes. Properties of sediment layers and sludge suspensions such as slurry viscosities, sedimentation rates, and final sediment densities can vary by orders of magnitude depending on the particle types present, the degree to which the particles agglomerate, and processing parameters such as shear rates, pH, salt content, and temperature. The objectives of this research are to: understand the factors controlling the nature and extent of colloidal agglomeration under expected waste processing conditions; determine how agglomeration phenomena influence physical properties relevant to waste processing including rheology, sedimentation, and filtration; develop strategies for optimizing processing conditions via control of agglomeration phenomena.

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  • Other Information: PBD: 1 Jun 1999

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  • Report No.: EMSP-54628--1999
  • DOI: 10.2172/825792 | External Link
  • Office of Scientific & Technical Information Report Number: 825792
  • Archival Resource Key: ark:/67531/metadc782379

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1999

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 21, 2016, 12:58 p.m.

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Tingey, Joel M.; Martin, J.A. & Berg, John D. Colloidal Agglomerates in Tank Sludge: Impact on Waste Processing, report, June 1, 1999; United States. (digital.library.unt.edu/ark:/67531/metadc782379/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.