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Influence of composite particle formation on the performance and economics of grit removal
S.J.Judd, M.Khraisheh, K.L.Al-Jaml, D.M.Jarman, and T.Jahfer
(Cellulose Acetate: 1 and 1.2mm)
(Polyethylene: .55mm)
(Soda-Lime Glass: .65 and .69mm)
(Barium Titanate: .27 and .52mm)
Abstract:
Grit is routinely removed at the headworks of municipal wastewater treatment works to limit its onerous impact on downstream processes. Grit separation technologies are normally based on sedimentation of a homogeneous material (usually sand). However, in practice inorganic grit particles are likely to be combined with organic matter, such as fats oils and grease (FOG), producing a composite particle whose settling properties vary with the inorganic/organic content.