 |
|
|
 |
Abstract Paper 1 | Abstract Paper 2 | Abstract Paper 3 | Abstract Paper 4 | Abstract Paper 5 | Abstract Paper 6 | Abstract Paper 7 | Abstract Paper 8 | Abstract Paper 9 | Abstract Paper 10 | Abstract Paper 11 | Abstract Paper 12 | Abstract Paper 13 | Abstract Paper 14 | Abstract Paper 15 | Abstract Paper 16 | Abstract Paper 17 | LaRusic, A.; Mohr, K. S. DESIGN AND INSTALLATION OF A HYDROCARBON REMOVAL SEPARATOR FOR INDUSTRIAL STORM RUNOFF, British Columbia Water and Waste Association; 1998. Abstract:
A new storm water collection
and treatment system was installed at a major Vancouver Harbor port
in 1997 to process surface runoff. The case illustrates many of the
complicating factors which need be considered in the design of a storm
water treatment system incorporating a high efficiency oil/water separator.
New construction at the port necessitated the removal of the old oil/water
separator, which was not operating optimally. The new system included
a redesigned storm water collection system and a new oil/water separator
utilizing multiple angle coalescing plates for high efficiency removal
of oil in the water. Factors considered in the new design included
high concentrations of various solids, oil-water emulsification due
to detergents from a high-pressure equipment wash facility, and sewer
flood conditions resulting from the proximity of tidally-influenced
waters. A study of the influent streams to the separator indicated
that many streams had a low likelihood of containing oil concentrations
that would exceed permitted limits, and these were routed to bypass
the separator, reducing the separator size and cost. A small, low-maintenance
wastewater treatment facility that recycled wash water was installed
at the most problematic source, the high-pressure wash facility. A
grit chamber was installed directly upstream of the separator to remove
the majority of solids before separator treatment. A check valve was
installed to prevent the backflow of tidal waters into the separator.
The new separator was specified with multiple-angle coalescing plates
for maximum separation of oil droplets and solids. A process simulation
was performed based the water quality of the input streams and the
application of Stokes Law to a statistical range of oil droplet sizes
in order to predict oil concentrations from the separator effluent
stream. The new storm water treatment system has proven to provide
an effluent quality superior to that required by the regulations,
with minimal maintenance efforts. [Home] [Technical Information] [Stormwater Treatment] [ Industrial Systems] [Coalescing Systems] [Aboveground Separators] [Underground Vault Separators] [Separator Accessories] [Kirby Mohr Resume]
Copyright © 2001-2004 Mohr Separations Research, Inc |
full text pdf