A new application note reports results of a comparative study of online and laboratory TOC analyzers on influent and effluent municipal wastewater samples from the Dallas Central WWTP. Both types of analyzers ran USEPA-approved method SM 5310C, which uses heated persulfate oxidation and is suitable for process monitoring and NPDES compliance reporting.
Make Your SCADA Feel Young Again By Christopher Little, Trihedral Engineering Limited
When the Village of Romeoville underwent a major upgrade to their SCADA system, they also decided to move to the latest version of the monitoring and control software that they had used successfully for many years. This version included features designed specifically for the water/wastewater industry.
How To Install A Submersible Pump In Discharge Tubes By KSB, Inc.
In the fields of water and waste water technology, submersible pumps represent a viable economic and technical alternative to conventional, dry-installed pumps. In particular, they offer a number of handling advantages during maintenance and installation work, a factor of increasing importance in times of general staff cutbacks by operating companies.
Remote Monitoring Solves Overflow And Lost Data Problems By Telog Instruments, Inc.
In London, Ontario, an aging combined sewer system created flooding issues, and the city’s outdated monitoring system provided unreliable and inconsistent data to indicate why. By installing a remote monitoring system, engineers were able to determine the exact source of the overflow problems.
Clarification System Boosts Capacity, Reduces Maintenance By Leopold -- A Xylem Brand
Spikes in peak demand at the 3.0 MGD Freedom District Water Treatment Plant, in Carroll County, MD, exceeded 70 percent of the plant’s capacity, and the existing clarifier made for a lengthy sludge-removal process.
Modeling BMPs In Sensitive Areas By XP Solutions
The clarity of Lake Tahoe has been declining since the mid-1960s because of the deposition of fine particles and nutrients from urban runoff. A program to control the quality of runoff entering the lake employs the xpswmm comprehensive software package to simulate a detailed system of pipes and channels with surface and subsurface flow. Learn how the model has worked well, both as the initial planning-level model and eventual design model.
Blowers used in biological processing can consume more than 50 percent of a wastewater utility’s electricity. Learn how Newnan Utilities' Wahoo Creek Facility, a three-MGD WWTP, was able to decrease operating costs while extending existing equipment life. Download the Case Study.
Membrana manufactures one of the largest ultrafiltration modules of its kind. The new Liqui-Flux module uses cutting-edge technology for inside-out ultrafiltration with 75-m2 of effective membrane area contained in one compact FRP vessel.
Now available in sizes 2" to 8", the Octave Ultrasonic Meter represents a new approach to comprehensive flow management and accountability, based on a greatly improved version of the AWWA C750 standard.
Nutshell media filters are commonly used in the treatment of produced water to reduce the oil and solids content of the water prior to injection for enhanced oil recovery or prior to subsequent treatment, such as softening the water as feed to steam generators used in heavy oil production.
The Ashcroft DG25 series offers 0.5 percent of span accuracy. The laser-welded stainless steel sensor and socket make this product suitable for use with a wide variety of pressure media in demanding industrial applications.