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Municipal Wastewater Solutions
June 17, 2019 By Leave a Comment
Healthy Bacteria Are Vital to Wastewater Treatment
May 7, 2019 By Leave a Comment
Activated sludge is a mixture of microorganisms that come in contact with and digest biodegradable materials (food) from wastewater. Once most of the material is removed from the wastewater, microorganisms form floc and settle out as sludge. Some type of microorganism will always grow in the system. The organisms that will dominate will be the ones that are best suited to the environment.1
Microorganisms that are natural to the wastewater environment play a vital role in the wastewater treatment process. Beneficial bacteria, protozoa, metazoa, algae, and fungi feed on organic material in wastewater, breaking it down. Bacteria clump together, or floc, forming masses that settle and separate from wastewater liquids. This settled mass is called sludge. This week, we’re going to talk specifically about wastewater bacteria. Read more about wastewater bacteria
Bio Energizer® Cuts Sludge Hauling Costs for Potato Wastewater Treatment Plant
April 11, 2019 By Leave a Comment
A wastewater treatment plant in Pennsylvania was experiencing process control problems when new potato waste stream flows increased by 26%. The additional load was causing filamentous issues in the sequencing batch reactor (SBR), settlability problems, and increased sludge hauling costs.
The engineer was unable to maintain the 8-foot decant level in the sequencing batch reactor (SBR). He couldn’t decant more than 2–3 feet under the excess load.
Read more about reducing sludge handling costs
Bio Energizer® Improves SVI by 50% at Citrus Plant Wastewater Treatment
March 26, 2019 By Leave a Comment
A citrus plant struggled with poor settling in the clarifier of its wastewater treatment, which caused the sludge blanket to remain high. Even at a low flow rate of 1.2 million gallons per day (MGD), the high sludge blanked allowed less than 18” of free board. The slightest flow increase caused solids to carry over the weir with the effluent. Since the citrus plant frequently produced wastewater flows 1.5 to 2.5 MGD, the wastewater treatment plant continued to suffer from solids washout and clarifier effluent total suspended solids (TSS) excursions. The citrus plant wastewater treatment was a 6 million gallon per day (MGD) traditional aeration system with secondary clarification.
Read more about improving SVI
Bio Energizer, Micatrol & Bio Feed Reduce COD and Stabilize Wastewater Treatment for Plastic Producer
March 11, 2019 By Leave a Comment
A plastic manufacturer in Taiwan needed a new process to efficiently treat elevated incoming chemical oxygen demand (COD) to comply with stringent EPA regulations for effluent discharge. The plant is an activated sludge treatment system with an influent of approximately 2,000 cubic meters per day (CMD) which is equivalent to approximately 530,000 gallons per day (GPD). The plant was unable to bring the plant into compliance using alternative technologies.
Read more about treating elevated COD
BIO ENERGIZER® Reduces Sludge at Sugar Refinery Wastewater Treatment Lagoons
June 15, 2018 By Leave a Comment
Location: Louisiana
A large sugar refinery struggled with elevated BOD and COD values in its wastewater treatment lagoons due to the sugar refinery process. The lagoon wastewater system capacity was 25 million gallons with an influent of 1.25 million gallons per day. The wastewater system also suffered from accumulating sludge as well as significant odor issues. The sugar refinery had a history of periodically being unable to meet its National Pollutant Discharge Elimination System (NPDES) permitting requirements. Continue reading
Rural Colorado Town Uses BIO ENERGIZER® to Reduce Wastewater Lagoon Sludge and Save Money
June 4, 2018 By Leave a Comment
The wastewater treatment plant superintendent for a rural Colorado town of about 500 people noticed that the plant’s three wastewater lagoons were filling with sludge, but he was dealing with budget constraints. The town’s population fluctuates throughout the year, and the varied loading was affecting system performance. Continue reading
BIO ENERGIZER® Reduces Sludge, BOD, and Odor—City in Illinois
October 13, 2017 By Leave a Comment
A small town in Illinois (pop. 3,500) had a municipal wastewater system that was in need of sludge removal. The sludge accumulation problem had become so problematic that the sludge was visible at the surface. The exposed sludge was causing an odor problem for the nearby residents. In addition, due to the high solids accumulation, the BOD values were higher than the State’s acceptable range. Something had to be done at a cost that the town could afford. Continue reading
BIO ENERGIZER® Reduces Sludge at Municipal Wastewater Treatment Facility in New Mexico
September 22, 2017 By Leave a Comment
A small town in New Mexico (pop. 1,300) had a municipal wastewater system with a flow rate of 50,000 gallons per day. The system included a series of three lagoons. A recent sludge judge showed Pond 1 had an average sludge depth of 1.9 feet, Pond 2 averaged 3.5 feet, and Pond 3 averaged 2.7 feet. The system was in need of reducing the sludge in its lagoon wastewater system to meet state requirements. Continue reading
BIO ENERGIZER® Reduces Sludge at a Small Municipal Facility in Utah
August 30, 2017 By Leave a Comment
A small municipality in Utah (pop. 1,800) had a wastewater system with a flow rate of 192,000 gallons per day. The system included a series of four lagoons, although at this time only Ponds 1 and 2 were being evaluated for treatment.
The influent consisted of domestic waste as well as septic. Pond 1 was specifically being addressed due to a State mandate. A sludge judge was performed which showed Pond 1 had an average sludge depth of 2.7 feet and Pond 2 averaged 1.9 feet. Two years later surfacing sludge prevented a sludge judge from being performed. Continue reading