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Ask the Wastewater Expert

What are reader water & wastewater questions from my articles?

Readers have been submitting their questions to Wastewater Dan for some time now. In no special order, and edited for readability, below please find a brief selection of them. Do you share similar type concerns? Send us your comments, concerns and questions as well.
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What is reverse osmosis and how is it best used?

In wastewater treatment, reverse osmosis is a water purification technology that, like ultrafiltration, uses a semipermeable membrane to remove larger particles from drinking water. But in reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property that is driven by chemical potential, a thermodynamic parameter.
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Productivity Perspectives

Oil geo-politics enter latest era

Development in US will continue, out-stripping OPEC and compensating for other falling production
US oil production driven by fracking technology is adding to a glut of supply that tipped prices into a downward spiral starting last June, conclude recent reports from the International Energy Agency (IEA) and others.
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Attend ARC next week in Orlando

Begin to answer the question: If sports analytics can tell NBA basketball pros that the way to win is to focus on 3-pointers, don’t take long 2-pointers and get the rest of your points from lay-ups and free throws, then what more can analytics tell us about process control?
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Oil price halved June to December last year

Even as the Great Recession was unfolding in 2008, the seeds for a second-half 2014 collapse in oil prices were being sown. Oil industry boom-and-bust is more than just a cliché, it’s both cause and effect of bad decision making.
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