Avoid Water Hammer Problems in High-Pressure Hydraulic Systems
Water hammer, high-velocity fluid flow and contaminated hydraulic media are among the worst enemies of high-pressure hydraulic systems.
#water-wastewater #pressure-relief
Wastewater Treatment
Society’s desire for a clean environment shines light on the importance of understanding the essential role wastewater treatment plants have in our communities.
#water-wastewater
Controlling Our Water Systems, Part II
To better understand the actuators and controls in our water systems, we discussed the types and some of the considerations for sizing in the first part of this article, which appeared in the print version of VALVEMagazine and is posted here.
#actuators #controls #water-wastewater
Controlling Our Water Systems
Actuators and controls are a critical process of how we move water through our supply and waste systems.
#controls #actuators #water-wastewater
Knifegate Valve Maintenance and Repair
Knife gate valves are used to provide isolation in various applications including oil sands slurries, pulp stock, waste water and power generation.
#maintenance-repair #water-wastewater #gate-globe-check
Cybersecurity: Protecting Critical Infrastructure
It’s hard to imagine an issue more front-and-center on most people’s minds today than cybersecurity—in particular, what will happen if the world’s infrastructure systems are attacked.
#iiot #water-wastewater
Coatings can Make a Difference in Wastewater
In Episode 23 of the Discovery Channel’s “Dirty Jobs,” Mike Rowe had the task of pulling a submersible wastewater pump from a lift station for inspection and cleaning.
#water-wastewater
Reclaiming Water from Oil Production
One of the biggest objections to hydraulic fracturing centers around the fact that huge amounts of water are needed for the process.
#water-wastewater
A Case Study: Updating a Postwar-Era Potable Water System
The Foss Reservoir Master Conservancy District (FRMCD) in southwestern Oklahoma is part of the 8,800-acre Foss Reservoir/Foss Lake.
#automation #water-wastewater
Advances in Desalination Technology
More than 750 million people currently lack access to clean water worldwide.
#water-wastewater #automation
Oxygen Cleaning: A Validated Process is Critical for Safety
Industrial oxygen is used for many purposes: in a basic oxygen furnace for making steel, water pollution countermeasures, including sewage treatment, habitability and superfund site rehabilitation, and chemical processes such as production of vinyl chloride, nitric acid, epoxyethane and hydrogen peroxide.
#water-wastewater #basics
Inexpensive Safe Water Tapped by Correcting Control Valve Output
The error output from a control valve can come from a variety of sources: uncontrolled input pressure, uncontrolled input flow rate, inaccurate orifice size or turbulent flow through the system which causes irregularity of flow rates through the system.
#water-wastewater #pressure-relief #controls
Private Operations Can Run Lean and Mean
During the 1990s, it was popular for municipalities around the world to enter into agreements with private contractors for water and wastewater treatment plants and services.
#water-wastewater
WEFTEC 2014: Bigger than Ever
The Water Environment Federation’s Annual Technical Exhibition and Conference (WEFTEC), the largest water event in North America, is expected to beat records for exhibits and session attendance that were set in 2013.
#VMAnews #water-wastewater
Choosing Valves for New No-Lead Water System Regulations
In the U.S., regulations governing lead content of the components of potable water systems have seen considerable changes as safety restrictions tighten.
#water-wastewater #standards #components
Tapping into Wastewater Heat
Anyone who plans, builds or operates water distribution systems attachs great importance to efficiency as well as the reliability of system components.
#water-wastewater #components #automation
Extracting Nutrients, Saving Resources through Livestock Water Recycling
Giant livestock farms, which can house thousands of pigs, chickens or cows, produce vast amounts of manure—they can generate the waste equivalent of a small city.
#water-wastewater
Reducing Compression Packing Friction in Valves
Compression packing is found in applications ranging from transmission of natural gas and water to caustics and high-temperature steam.
#water-wastewater #controls
Recycling Fracking Wastewater
America is the largest consumer of energy in the world—energy production is pivotal to the economy, balance of trade, deficits and domestic stability.
#water-wastewater
Conduit Hydropower: Recovering Energy One Control Valve at a Time
All water distribution systems have one thing in common: It takes energy to move water from one location to another.
#water-wastewater