Solids handling operations and solids holding
facilities are often major sources of odor at wastewater treatment
plants. Hydrogen sulfide and other odorous compounds generated during
primary settling and solids holding are released during solids
processing. For dewatering processes, belt presses in particular are
prone to severe odor problems. Belt press rooms are notorious for
having high hydrogen sulfide concentrations, which can cause corrosion
of equipment and, in some cases, pose a health hazard to workers. This
case study demonstrates that effective, yet economical, odor control
of solids handling operations can be achieved through an integrated
approach combining both liquid-phase and vapor-phase
treatment.
Authors: Gayle P. Van Durme and D. Matt Bond,
Black & Veatch; Timothy Flora, Plant Superintendent, and Charles
Klinger, Laboratory Technician, City of Leavenworth, Kansas,
USA.
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