Tag Archives: process control

Continuing Education Opportunity – Process Control Techniques

How often do we in the wastewater industry hear the words process control? By definition, process control is an engineering discipline that deals with architectures, mechanisms and algorithms for maintaining the output of a specific process within a desired range. … Continue reading

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Process Control Testing

Wastewater operators know they must sample for the parameters (CBOD5, TSS, pH, DP, etc) listed on the KPDES permit at the frequency indicated on the permit. The operators know the limits these analyses must meet. The big question is how … Continue reading

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A Microscope Sounds Like Science

In the link below, the writer explains the use, advantages and mystery of one of my favorite process control tools to use in the study of wastewater––the microscope. This tool opens up new avenues of information about what is actuality … Continue reading

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Seasonal Changes II

After a cool, wet spring, the seasons are changing as the temperatures begin to climb. The time is here to think about what changes need to be made to the wastewater treatment plant during the warmer months of summer to … Continue reading

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Sludge Wasting

How do I waste sludge from my package treatment plant? I am routinely asked this question by operators who don’t have digesters, thickeners or holding tanks and depend on haulers of septic waste. To waste sludge from a package treatment … Continue reading

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Sludge Age vs. Solids Retention and Mean Cell Residence Time

An age old debate of sludge wasting can become a long one. As I was doing some research on this topic, I found some interesting facts, circumstances and scenarios surrounding the issue. The very first obstacle that I encountered was … Continue reading

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