AWWA ACE58132

AWWA ACE58132 Evaluating Granular Activated Carbon to Meet Multiple Filtration Objectives
Conference Proceeding by American Water Works Association, 06/15/2003

Booth, Stephen; Brown, Jess; Crozes, Gil; Jeppson, Brad; Doller, Christine; Ardizzone, Bob; Hawkes, Don

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The City of Tempe, Arizona is planning to expand their Johnny G. Martinez Water TreatmentPlant (JGMWTP) from an existing capacity of 50 mgd to 80 mgd. As part of this expansion, processupgrades are also being considered to improve finished water quality. Key water quality goals tobe addressed in this upgrade/expansion are the removal of chlorinated disinfection byproduct (DBP)precursors, better control of taste and odor, and increased pathogen inactivation. Existingprocesses at JGMWTP include conventional treatment with anthracite/sand filters andpowdered activated carbon to control T