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Ask the Wastewater Expert

Daniel L. Theobald

Known in the industry as “Wastewater Dan,” Daniel L. Theobald, proprietor of Environmental Services, is a professional wastewater and safety consultant/trainer. He has more than 24 years of hands-on industry experience operating many variants of wastewater treatment processing units and is eager to share with others his knowledge about water conservation. (www.Conserve-On-Water.com).

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In primary treatment, what are the pH process controls for treating wastewater?

The measure of free hydrogen activity in water -- called “pH” for “potential for hydrogen” -- is undoubtedly the most important and most-used wastewater treatment measure. Dependence on pH as a measure relevant to water quality and its control occurs in practically every phase of water supply and wastewater treatment, including acid-base neutralization, water softening, precipitation, coagulation, disinfection and corrosion control.
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Productivity Perspectives

Kevin Parker

Kevin Parker, editorial director of Processing magazine, has been writing about process industry, automation and information-technology markets for more than 20 years.

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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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The saga of the machine segues into the 21st century

Rockwell Automation was once a white-shirt-and-tie engineering company, just as IBM was a white-shirt-and-tie information-technology company. Other points of comparison between the two apply as well, including the importance of “services” to their continuing success. There are some reasons why this is the case.
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GE CEO Jeff Immelt says software, analytics are path to zero unplanned downtime

Just a few moments before the young General Electric (GE) executive standing at the podium introduced his CEO Jeffery Immelt, he mentioned that the GE event they were attending was not meant to be a sales pitch. No sooner had Immelt hopped onto the stage following his introduction then he vociferously disagreed. “I’m here to sell,” he said.
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