This report describes the results of model studies of the grit
chambers at the Minneapolis-St. Paul sewage treatment plant. The approach
sewer conducting the sewage to the grit chambers is a double barrel section
and is curved in plan. The sewer serves eight grit chambers by successive bifurcation of the original twin barrels as shown in the figure. Although the total flow is divided approximately
equally among the eight grit chambers. The overload in these chambers
is a oontributing cause to high cost of maintenance and lower efficiency.
Similar problems arise when less than eight chambers are operating.
Toltz, King, Duvall, And,erson and Associates, Inc. and Minneapolis-St. Paul Sanitary District
Silberman, E.; Paintal, A. S..
A Model Study of the Grit Chambers at the Minneapolis-St. Paul Sanitary District Plant..
St. Anthony Falls Hydraulic Laboratory.
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