Water and Wastes Digest Webinars

April 23, 2014
In 1889, the foundation for modern water management began on the Rio Grande in Embudo, N.M. Today, 125 years later, a celebration was held to honor the first U.S. Geological... more
April 23, 2014
RJN Group Inc., provider of civil engineering consulting services for distribution and collection systems, hired Shannon Jones, P.E. as a senior project manager and Clay... more
April 23, 2014
American Water Works Co. Inc. announced that effective April 28, 2014, Loyd “Aldie” Warnock will become its senior vice president of external affairs, communications and... more
April 22, 2014
CH2M Hill projects were recognized with industry awards during the annual Global Water Awards ceremony hosted by the International Desalination Assn. and Global Water... more
I’m California dreaming on such a winter’s day (even though it’s March as I write this …). Unfortunately, however, the state is facing some nightmarish issues. Its crippling... more
The St. Croix River is an environmentally sensitive river that separates two major cities in Minnesota and Wisconsin.  The St. Croix Crossing project has been decades in... more
Discovered in 2003, the Papa Terra Oil Field is located 68 miles off the coast of Rio de Janeiro in the Atlantic Ocean at a depth of 3,937 ft. It is located in the Campos... more
In February, government officials from the Republic of Maldives joined representatives from the Aquiva Foundation, memsys, Aquaver and the local power company, Stelco, for... more
Mercury removal from both air emissions and industrial wastewater, especially from coal-fired power plants in the U.S., has been a topic of extensive study for the past... more
In Canton, Ohio, a few weeks after ringing in 2014, four contractors submitted bids to update an aging extended aeration wastewater treatment plant (WWTP). Based on bid... more
The first phase of the Eastern Idaho Regional Wastewater Authority’s (EIRWWA) Regional Wastewater Treatment Plant, with a price tag of approximately $21 million, was... more
In November 2009, AdEdge Water Technologies LLC was selected, among other vendors in a tender, by the Resort Village of Kannata Valley (RVKV) to supply an arsenic, iron,... more
Miner, Mo., population 980, is a quaint rural community located halfway between St. Louis and Memphis, Tenn. The 20-year-old Miner Wastewater Treatment Plant faced a number... more
The QuadroSphere ball valve line is ideal for applications in which typical trunnion ball valves experience problems. The contoured ball features four recessed surfaces creating additional flow paths... more
  • The QuadroSphere ball valve line is ideal for applications in which typical trunnion ball valves experience problems. The contoured ball features four recessed surfaces creating additional flow paths... more
  • The full line of Hangerlok products is now available in 3/8- to 4-in. diameters. The line provides cost effective corrosion resistance and UV resistance in electrical and mechanical systems for water... more
  • Ovivo’s microBLOX MBRs are fully functional wastewater treatment package systems that offer low CAPEX/OPEX costs. They are complete, ready-to-operate wastewater treatment MBR systems that feature a... more
  • GridBee AP series air-powered mixers efficiently mix aerated and anoxic basins of all types, including those with high mixed liquor suspended solids (MLSS). Designed with flow rates ranging to 4,000... more
  • The FCI FLT93S insertion-type FlexSwitch for flow and temperature monitoring is SIL 2 rated. It was designed for rugged environments, including wastewater treatment plants. FCI is the only... more
  • Tuf-Lok ring grip pipe and tube couplings are low cost, heavy duty and self-aligning, designed for either high pressure, to 150 psig, or full vacuum-rated applications. They are available in 1-in.... more
  • Superior Signal offers smoke fluid systems engineered for smoke testing—a fast, inexpensive way to find leaks in sanitary sewer collection systems, built in the U.S. The company uses a proprietary... more
  • The Fuzzy Filter is a cost-effective synthetic compressible media filter. With loading rates of 30 to 40-plus gpm per sq ft, the filter requires 20% of the space for sand filters. Applications... more
  • The 50-hp Turbo X-Treme Magnum is a high-efficiency floating/surface aerator that can pump 12.5 mgd of water. Powered by an energy-saving motor, it incorporates a “turbo” blower and a double-sided... more
  • The Dehydris Twist is an advanced sludge dewatering process from Degremont, employing the Bucher Unipektin hydraulic piston press technology. Up to 30% reduction in sludge bulk volume can be achieved... more
If one debate over a specific design feature stands out amongst all the others in the submersible wastewater pump field, it must be, “Which is better... more
When a motor is operated on a variable frequency drive, unexpected voltage can be induced on the rotor and shaft. A number of solutions have been... more
Submersible pumps are similar to children: They need to be properly fed. When a submersible pump is installed in a manner that does not permit free... more
When a discussion turns to requirements for “explosion‐proof” pumps, many people rely on word of mouth, past practices or even old wives tales, it... more
March 6, 2014  2:00 to 3:00 p.m. EST Membrane systems for treating drinking water keep evolving, and the recent introduction of the MEMCOR CPII... more
Now Available On-Demand Original Broadcast Time:  August 8, 2013, 2:00 pm - 3:00 pm Eastern Webinar Overview:Utilities now have the option... more
The Hydra nitrate analyzer system monitors the nitrification process in aeration basins at wastewater treatment plants, a process during which toxic ammonium ions are... more
The Vision570 is a programmable logic controller (PLC) with a built-in human machine interface (HMI) operator panel, comprised of a 5.7-in. color touchscreen display. On-... more
Rotor aeration has been utilized for more than 50 years to provide dissolved oxygen and mixing in more than 2,000 oxidation ditch activated sludge plants. Today’s modern... more
Accurate flow data in a treatment facility is key to understanding whether the system is operating efficiently. Monitoring flow in each pump station provides important... more

POLL

Raleigh, N.C., has added a small increase to water bills as a permanent watershed protection fee. Do you agree with this idea?: