Bacteria and viruses commonly found in drinking water
WEBJul 31, 2014 · Here is a list of EPA regulated bacteria/viruses in drinking water, and their health risks: Legionella, a bacteria found naturally in the environment — typically in water, thrives in warm waters; this bacteria in water is a health risk if aerosolized (e.g., in a shower or air conditioning system) and inhaled, resulting in a type of pneumonia ...
Home | Water Technology
WEB4 days ago · Oct. 16, 2023. The senior process engineer joined Water Technology managing editor Daniel Gaddy at WEFTEC 2023 in Chicago. Water Technology provides water treatment professionals with news and information on industrial water and wastewater management topics including treatment, monitoring, storage, disposal and reuse.
5 key performance indicators in reverse osmosis operation
WEBDec 22, 2015 · The five most important parameters in reverse osmosis are the silt density index (SDI), differential pressure, normalized permeate flow, percent rejection and pressure drop coefficient. Reverse osmosis (RO) is a process that forces a feedwater stream containing dissolved impurities (salts and organics) …
The basics of activated carbon adsorption | Water Technology
WEBFeb 1, 2016 · Activated carbon removes water soluble organics and solids from water by backwashing. This MTZ has three working zones: Zone 1 (between A and B, a portion of the total length of the carbon bed) is completely used and no longer removes water-soluble contaminants. Zone 2 (between B and C) removes variable amounts of contaminants.
Best practices for collecting water samples
WEBOct 9, 2014 · A good way to determine if you have run the water enough is to use onsite measurements like pH, temperature and conductivity. Take measurements every two to three minutes, and once you get three consistent measurements in a row, you are ready to collect samples. Once you have allowed sufficient water to …
7 common types of industrial wastewater equipment
WEBFeb 23, 2018 · Top industrial wastewater equipment, benefits and ROI. The following list includes the seven most common types of wastewater equipment, how each operates, and how it affects a business’s profitability: 1. Ultrafiltration systems. Ultrafiltration (UF) is a pressure-driven process that uses a membrane to remove emulsified oils, metal hydroxides ...
Troubleshooting a bladder pressure tank | Water Technology
WEBOct 13, 2010 · Troubleshooting guide. If it appears that a bladder tank is not operating correctly, check the tank’s air charge: Disconnect electrical power to the pump. Drain the tank by opening the closest faucet. Check the tank’s pressure by placing an air pressure gauge on the air charging valve on the top of the tank. Add air if the pressure is more ...
Sludge Handling in Water & Wastewater Treatment
WEBApr 21, 2021 · Produced sludge in different stages of water/wastewater treatment facilities should be dewatered and disposed of properly. Sludge is a difficult and special fluid to handle. It needs special equipment for handling, transferring and processing. Further, sludge disposal requires great care as there are strict environmental rules to follow.
Piping for water and wastewater treatment systems
WEBOct 28, 2021 · Piping is an important part of modern water and wastewater treatment systems, water pumping units, desalination units, cooling water systems and others. Piping systems are like veins of modern plants. The piping is used to carry water, wastewater, chemicals and mixtures from one location to another. The …
Cooling tower water systems, part 2 | Water Technology
WEBJan 25, 2018 · Part 2 of this two-part series on cooling tower efficiency covers key factors to consider when designing cooling tower water systems. Piping arrangement for evaporative condenser cooler. All images courtesy of Air Liquide. In the November/December 2017 issue of Water Technology, part 1 of this two-part series, “ …