WASTEWATER MEASUREMENT RESOURCES

• Instrumentation In Activated Sludge: Past, Present, And Future

  After a century of operation, the activated sludge process is still being fine-tuned to meet today’s challenging treatment and efficiency targets.

• Consultant’s Corner: Top 5 Requirements for Good Modeling

  Dr. Jon Wicks, CH2M’s Global Technology Leader for flood risk modeling, shares his thoughts on the requirements for good modeling, building on discussions held at the recent Flood Modeller Suite Conference.

• Monster Clears Clogs And Streamlines Septage Delivery At Ventura Regional Sanitation District

  The Ventura Regional Sanitation District’s Liquid Waste Treatment Facility (LWTF) was experiencing a double-threat to safety and productivity.

• Local Support Saves Time And Money

  At a water treatment plant that provides drinking water for distribution to a large area of customers, a contractor decided to switch to SITRANS FM MAG 5100W flowmeters. A local representative saved a the contractor time and money by recognizing the need for the magmeter to be isolated from the piping protection before startup, which also saved the customer from added downtime.

• Views From The Top: What Every Operator Should Know About Automation

  This Q&A with Craig Correia, head of process automation (U.S.) for Festo Corporation, serves as a good primer for operators just wading into the world of automation.

• New Turbocompressors Boost Efficiency At Wastewater Plant

  Sulzer engineers helped a plant in the Netherlands cut its energy costs with a turnkey project. Now the plant’s owners have worked with Sulzer engineers to upgrade its existing units with three latest generation machines.

• SWAN Corner: Wastewater Components Guide Sewer Investigations

  Extraneous water in the wastewater network is likely to increase as the climate change progresses. Wastewater components can offer key information for water utilities for prioritizing network inspections and renovations, such as CCTV and manhole cover inspections. At the same time, calculating wastewater components out of pumping stations data is a valuable example of how water utilities can extract concrete insights from large data sets.

• Small Utility Achieves Astounding Results In Customer Service, Labor Output By Switching To AMI

  A team member from Master Meter approached Amanda Selph, Business Manager at Belforest Water System, with a problem; the meters in the system were rapidly nearing the end of their life span and Belforest’s growth rate was exceeding staff’s capacity to keep up.

• Math Solutions: Mixed Liquor Volatile Suspended Solids (MLVSS) Calculations

  Wastewater consultant and trainer Dan Theobald (“Wastewater Dan”) dives deeper into the activated sludge process with calculations focused on MLVSS.

• DCS Versus PLC: A User's Guide To Selecting The Most Effective Control Platform For Your Application

  Distributed control systems (DCSs) and programmable logic controllers (PLCs) are not mutually exclusive technologies. When the end-use application serves as the basis for making a sound decision, the selection process becomes more efficient, and a more effective outcome results. This white paper provides general guidelines and highlights key considerations when choosing a control system platform. While the details of each application are critical to the selection process, use the following as a guide when designing, specifying, and implementing controller technology. By Jim Hazelwood and Bill Butler, Revere Control Systems