Upgrade To Diffused Aeration Results In Significant Energy Savings

After 35 years of use,  the fiberglass jet aeration manifolds in the Western Regional Water Reclamation Plant (Dayton, Ohio) had deteriorated, rendering four of eight wastewater aeration tanks inoperable. Managers recognized an opportunity to utilize a fine bubble diffused aeration system that eliminated the need for the pumps. The result: higher oxygen-transfer efficiency and reduced power costs to operate the system.

Emergency Bypass For Sewer Facility Circumvents Natural And Manmade Obstacles

When operators at the Rivanna Water & Sewer Authority (RWSA) in Charlottesville, Virginia discovered a compromise in the 54-inch secondary effluent water line at their Moores Creek Advanced Water Resource Recovery Facility, they took immediate action to address the problem.

UV Kind Of Town, Chicago Is

The Metropolitan Water Reclamation District of Greater Chicago (MWRD) — of which the Terrence J. O’Brien Water Reclamation Plant (WRP) is part of — has made a number of upgrades to its treatment process in recent years.

SCREENMASTER® CS Bar Screen To The Rescue At A Commercial Composting Plant

A commercial mushroom composting company in Pennsylvania needed help with a problem in their compost production process. The compost, made from hay, straw, horse manure, chicken litter, corn cobs and more, is processed on an eight-acre concrete slab, also called a wharf. The runoff from the rain and water used during the compost process washes off the wharf and into a pit and then travels through a pipe that carries it to the two-million gallon lagoon behind the wharf. From there, the company recycles the water by pumping it back to begin the process again. Unfortunately, the process wasn’t as smooth as they had hoped. Sediment and pieces of the organic material were continuously washing down into the pit and traveling to the lagoons, causing major clogs. This presented a serious issue for the company as it was slowing down their process, causing downtime, and making a mess of their lagoons. That’s when they contacted Franklin Miller for a solution.

HeadCell Project Wins 2018 DBIA Award of Excellence

Each year the Design Build Institute of America (DBIA) selects the best large-scale Design-Build projects in the United States in a wide variety of infrastructure categories. Atlanta, Georgia’s R.M. Clayton Water Reclamation Facility (WRF) headworks upgrade project featuring HeadCell® grit separation won the coveted 2018 DBIA National Excellence Award in the Water and Wastewater category. Read the full case story to learn more.

ECI Solves MRO's Chromium Contamination Problem With 900 Series Monitor/Controllers

Cr(VI) is a regulated contaminant in drinking water because it can cause gastrointestinal, liver, and developmental toxicity in humans when ingested. A facility was unable to discharge to their POTW because the CR(VI) concentration in their wastewater stream was over the regulated discharge limit. 

Highland Tank Oil/Water Separator Tank Installation For Expansion At Gerald R. Ford International Airport The Gerald R. Ford International Airport is a commercial Airport located a few miles southeast of Grand Rapids, MI. The Airport is home to some major carriers like Northwest, Continental, United, American, and Delta airlines

Challenges And Solutions To Treating Beverage Wastewater

Discover how one beverage manufacturer was able to balance producing a quality product while also undertaking the challenging of reclaiming and treating its effluent.

10K Muffin Monster Takes Over When Macerators Can't Cut It

The Cibolo Creek Municipal Authority (CCMA) provides regional wastewater services for the area northeast of San Antonio, Texas and serves the surrounding communities. After years of frustration in dealing with severe problems with plugging of the pump suction lines that led to frequent pump rebuilds, they turned to the 10K Muffin Monster. The 10K Muffin Monster now plays an integral role in this water reclamation plant’s system by grinding the primary sludge and debris that is pumped to the digesters.

Studies Of A Microbial Mixture With Useful Properties For The Treatment Of Organic Sewage

The importance of bacteria in the treatment of raw sewage and water purification is well known. Here, we report on Sewper Rx, a unique mix of bacteria with powerful properties for treating sewage as well as other water cleaning applications.

Dissolved Oxygen Measurement In Wastewater Treatment

A wastewater treatment plant separates solids from the liquid, and consists of two basic stages: primary treatment and secondary treatment.

VFD Energy Savings For Pumping Applications

In the early days of variable frequency drive (VFD) technology, the typical application was in process control for manufacturing synthetic fiber, steel bars, and aluminum foil.

Optimizing Air Flows To Aeration Basins

As a result of clean energy mandates and the rising cost of energy, wastewater treatment facilities around the country are retrofitting their instrumentation to run highly efficient, cost-effective, clean facilities. To reduce emissions and produce clean energy, solid wastes are often digested in large digester tanks to reduce the volume of waste (sludge) and produce more biogas, which is then used as fuel in the cogeneration process. However, a clean environment calls for not just clean air and clean energy, but clean water as well.

Magnetic Flow Meters Improve Recycling Of Gas Well-Produced Water

As old gas & oil fields play out, newer methods must be used to extract resources from areas where they are locked in layers of shale. One current technique is known as “fraccing,” in which high pressure water is pumped into the well shaft to “fracture” the rock layers, allowing more natural gas to escape and be collected. However, this technique poses a number of environmental problems, including contamination of water with hydrocarbons, solid particulates, and scale producing ions — making it unsuitable for reuse.

LLT100 Laser Level Measurement In Water And Wastewater

In the water and wastewater market segment, the LLT100 laser level transmitter provides an efficient way to measure levels of liquids.

Application Note: Simultaneous Determination Of Total Bound Nitrogen (TNb) And Total Organic Carbon (TOC) In Aqueous Samples Total bound nitrogen (TN_b) consists of dissolved ammonia, nitrates, nitrites, amines, and other organic nitrogen-containing compounds. TN_b measurements represent an alternative to Total Kjeldahl Nitrogen (TKN) analysis for rapid screening of industrial wastewater, drinking water,agricultural run-off, and surface waters. By OI Analytical

Is ORP Really Your Best Option For Dechlorination Measurement?

In this application note, explore considerations for achieving more reliable accuracy when quantifying dechlorination results for applications ranging from RO membrane protection to wastewater discharge compliance.

Determination Of Pesticide Residues In Honey, By An Automated QuEChERS Solution

The QuEChERS (Quick-Easy-Cheap-Effective-Rugged-Safe) sample extraction method was developed for the determination of pesticide residues in agricultural commodities.

Panametrics' Technology Proves Key In Supporting Serbia's Flood Prevention Strategy

A water management company in Serbia used Panametrics' ultrasonic flow meter technology for stormwater management, ensuring reliable measurement and accuracy in challenging conditions. The technology allowed for live monitoring of water transfer and reduced the risk of flooding.

WWTP Utilizes Online Instrumentation And SCADA To Keep Operating Costs Low And Effluent Quality High

Providing the best value to wastewater customers requires a team of operators that have a deep sense of ownership and are committed to continuous improvement. Such is the case for the operating staff at one wastewater treatment plant whose progressive attitude and a philosophy of “do it right” led them to an investment in online instrumentation and SCADA for compliance, monitoring, and control.