Hydrogen Power from Sewage?

MOST was intrigued by an article with the headline “Flush, then fill up: Japan taps sewage to fuel hydrogen-powered cars” from this Sunday’s Los Angeles Times.  As MOST Subscribers realize, MOST knows his … sewage!  And energy and the environment …
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Big Shoes to Fill

We just saw a job announcement for the General Manager at Union Sanitary District in the greater San Francisco, California, area.  That was a little alarming to us, as we know the fellow that has held that position for many …
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Biochemical Oxygen Demand Questions

I receive e-mails from folks every day, asking about different water quality/water treatment/ environmental issues.  I guess they have learned where they can find MOST definitive answers!  (I suppose there are other explanations, too.)  Here’s the latest: I am an …
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Sludge Pumping, Part Two

Today we will be walking through a sample calculation for sludge pumping, as a followup to yesterday’s post.  We noted that we need at least four items of information to do this calculation: influent and effluent solids levels, sludge pumping …
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Sludge Pumping

Sedimentation is one of the most widely used treatment processes in water and wastewater treatment, as well as in many other industries.  It works because it is so simple: density works!  That is, denser materials will sink in a column …
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