Bridge #835

[NW Mailing List]

Mr. Carpenter:
   Sewerage plants require chlorine which is generally shipped in by rail.  Depending on size of plant could be switched twice a month.  Power plants if  they draw water from a natural source (river/lake)  will also use chlorine so there is no algae build-up in the condenser water box.  Depending on plant and season, more in the summer than wither chlorine cars would come a few times in summer and once in the fall.  Note in winter.  In Detroit we have the worlds largest single site sewerage plant.  They get cars of chlorine and sulfur hxxhohide.  Because there is a 1,000 foot  discharge tunnel to the Detroit River they inject chlorine as the water leaves the plant and halfway down they inject the sulphur hexofloride to neutralize the chlorine before it enters the Detroit River.  This is a Conrail DSAA switch. Kenneth Borg
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