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# Tag Archives: flow

## Sequencing Batch Reactor Process Gaining Popularity

Sequencing Batch Reactors Sequencing Batch Reactor (SBR) is a Fill-and-Draw-principled activated sludge (AS) wastewater treatment process. It has been used since the 1920s and has recently begun growing in popularity around the world. This system can be used to treat … Continue reading

Posted in Dennis Minch, Educational Tools
Tagged activated sludge, Dennis Minch, Educational Tools, flow, SBR, treatment, wastewater

## Electromagnetic Flow Measurement

The third most common flow meter, behind differential pressure and positive displacement flow meters, is the magnetic flow meter, also technically an electromagnetic flow meter or more commonly called a MAG meter. Due to the MAG meter being more regularly … Continue reading

Posted in Clayton Getz, Educational Tools
Tagged drinking water, flow, meters, pipes, treatment, wastewater

## Ultrasonic Flow Measurements

There are several different flow measurement methods that can be used in the water industry. One is Ultrasonic Flow Measurement. There are two main types of Ultrasonic flow meters: Doppler and transit time. While they both utilize ultrasound to make … Continue reading

Posted in Clayton Getz, Educational Tools
Tagged drinking water, flow, meters, pipes, wastewater

## At Design Flow

During the various training classes held by the Operator Certification Program, I’m sometimes told by an operator about low-flow issues that occur. One such issue has a 40,000-gallon per day (GPD) plant at his mobile home park, but he only … Continue reading

Posted in Educational Tools, Tim Ricketts
Tagged flow, math, package treatment plants, treatment, wastewater, wastewater treatment

## Calculating Flow Through A Pipe

When operators want to figure out how much water is flowing through a pipe, how do they figure out what their flow rate is? If you use the formula that is on the formula sheet that we give to every … Continue reading

## Phosphorus Removal Via Oxidation Ditches

In an earlier post I mentioned changing the aeration setup at your facility to remove phosphorus. In this post, I will use the example of an oxidation ditch to expand further upon alternative aeration techniques. An oxidation ditch (OD) is … Continue reading

Posted in Educational Tools, Tim Ricketts
Tagged aeration, flow, influent, oxidation ditches, phosphorous, phosphorus, removal, sludge, wastewater
1 Comment

## Test Your Knowledge – Calculating Flow Through a Pipe

Now that you have read the post, Calculating Flow Through a Pipe, try working the following practice problems on your own. The velocity through a 4-inch pipe is 2.1 ft/s. What is the flow rate in gpm? What is the flow … Continue reading

Posted in Clayton Getz, Educational Tools
Tagged calculations, conversions, distribution, flow, flow formula, operators, pipe
1 Comment

## Calculating Flow Through a Pipe

For distribution operators, calculating flow is one the most frequently encountered math problems on their exams. Therefore, it is a good idea to have a working knowledge of the flow formula. The flow formula can be shown as Q = … Continue reading

Posted in Clayton Getz, Educational Tools
Tagged calculations, conversions, distribution, flow, flow formula, operators, pipe
1 Comment

## Test Your Knowledge – Calculating Flow Into a Lift Station

Now that you have read the post Calculating Flow into a Lift Station, try your hand at the following practice problems. A lift station is 65 feet deep with a diameter of 27 feet. The influent flow causes the water … Continue reading

Posted in Educational Tools, Tim Ricketts
Tagged calculations, flow, lift station, math, overflow, practice problems, volume
1 Comment

## Calculating Flow Into a Lift Station

Have you ever been working on a broken pump at a lift station and wondered how fast the water is entering the lift station or how much time you have before it begins to overflow? Well, I know some operators … Continue reading

Posted in Educational Tools, Tim Ricketts
Tagged calculations, cylinder, flow, influent, lift station, math, overflow, volume
1 Comment