Virtual Tour of a Vegetative Treatment System at the USDA Meat Animal Research Center Feedlot.

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Presentation transcript:

Virtual Tour of a Vegetative Treatment System at the USDA Meat Animal Research Center Feedlot

Design

Feedlot Pens Vegetative Treatment Area Water Flow

Performance

Summary The system provided very good solids removal resulting in a reduction of total suspended solids by 80%, volatile suspended solids by 67%, chemical oxygen demand by 59%, and total nitrogen by 54% The system provided very good solids removal resulting in a reduction of total suspended solids by 80%, volatile suspended solids by 67%, chemical oxygen demand by 59%, and total nitrogen by 54% Hay production decreased total nitrogen in the VTA Hay production decreased total nitrogen in the VTA

Summary However, disproportionate deposition of runoff water increases surface soil nitrogen concentrations near the basin discharge tubes However, disproportionate deposition of runoff water increases surface soil nitrogen concentrations near the basin discharge tubes Elevation shifts of the inlets of the discharge tubes has caused disproportionate discharge to the VTA Elevation shifts of the inlets of the discharge tubes has caused disproportionate discharge to the VTA Adding adjustable weir plates to regulate flow on inlet of discharge tubes is recommended Adding adjustable weir plates to regulate flow on inlet of discharge tubes is recommended