Tag Archives: sludge

Beneficial Use of Biosolids

In due time, some fads become trends. I am sure when the initial thought of land application of biosolids was introduced many thought it was a fad that would fade away, an expense that they couldn’t afford or technology they … Continue reading

Posted in Educational Tools, George Haynes | Tagged , , ,

Facultative Lagoons

Like most natural environments, conditions inside facultative lagoons are always changing. Lagoons experience cycles due to variations in the weather, composition of the wastewater and other factors. In general, the wastewater in facultative lagoons naturally settles into three fairly distinct … Continue reading

Posted in Educational Tools, Tim Ricketts | Tagged , , , , ,

Biosolids Management: Reduces Waste and Energy Usage

As we know here in the Commonwealth, many small municipalities are looking for ways to reduce costs in any way possible. Many water technology providers are presenting answers to reducing the cost of biosolids management and also, in many cases, … Continue reading

Posted in Educational Tools, Jacob Cuarta | Tagged , , , , ,

Primary Clarifiers

The purpose of a primary clarifier is to create a relatively quiescent area where solids with a higher specific gravity than liquid will tend to settle and those with a lower specific gravity will tend to rise. The goal is … Continue reading

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Knowing When to Waste Sludge

How do I know when to waste sludge from my package treatment plant? This is a question that has plagued operators of small, extended aeration plants for years. With little or no equipment to help determine how much sludge is … Continue reading

Posted in Educational Tools, Tim Ricketts | Tagged , , , , | 1 Comment

Charting Settlometer Results

To determine the settling volume of sludge, operators will typically run a 30-minute settling test. But that only determines the settling volume. What about the sludge’s settling characteristics? Operators must find out how well the sludge is settling, if the … Continue reading

Posted in Educational Tools, Tim Ricketts | Tagged , , , , , , | 2 Comments

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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