Frit specification development: Letter report | Zendy

Peter A. S. Smith | Zendy; Pavel Hrma | Zendy; John D. Vienna | Zendy; P.T. Fini | Zendy

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Frit specification development: Letter report

Author(s) -

Peter A. S. Smith,

Pavel Hrma,

John D. Vienna,

P.T. Fini

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/219262

Subject(s) - frit , slurry , vitrification , materials science , environmental science , rheology , particle (ecology) , waste management , process engineering , composite material , geology , engineering , physics , oceanography , nuclear physics

To specify frit for the Hanford Waste Vitrification Plant (HWVP), the relevant requirements and characterization need to be established. The properties and applicable testing will be incorporated into a specification. Several areas have been identified that require consideration in a frit specification: glass processability and acceptability; frit storage and handling; frit slurry rheology; melter feed rheology; canister decontamination; pumping equipment/pipe erosion; frit cooling rate; and glass melting rate. The listed areas are influenced primarily by frit composition, temperature history, particle morphology, particle size, size distribution. and properties that depend on the primary variables such as hardness and frit density. Frit development proceeds in two steps: the first focuses on the waste glass, and the second on the pre-melt (including cold cap) processing

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