Home | Water Technology
WEB5 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) …
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 …
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 ...
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.
Common water sampling procedures
WEBAug 28, 2014 · Coming soon in the October issue of Water Technology, Marianne Metzger of Certified National Analytics (CNA) Environmental writes about collecting water samples. In this article, Metzger explains the importance of following the right steps when gathering samples while taking into consideration factors such as the location, conditions and the desired sampling method.
ZLD Treatment of Cooling Tower Blowdown with Membranes
WEBDec 1, 2012 · The Indiantown, FL, Cogeneration plant is a 360 MW coal fired power plant. It has 2600 psi boilers supplying steam continuously to a "steam host." The cooling tower is run at 4-7 cycles of concentration. The plant is designated as a ZLD facility. Blowdown volumes treated from the cooling tower were designed to be 650 gpm.
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.
An integrated approach to produced water management
WEBMar 18, 2019 · Figure 1. Produced water compositions. Courtesy of TUV SUD NEL. Management practice . Produced water is inevitable in oil and gas production. The question is how to best manage this water so that oil and gas can be produced in an economically viable, socially responsible and environmentally sustainable manner.
New Guidance On Boiler Feedwater Sampling and Monitoring …
WEBNov 1, 2006 · 1. Standard, accepted good sampling practices require a minimum of 3 sample system volumes be purged before a sample is considered “representative” of the system. For example, ten feet of 1⁄4” tubing with a wall thickness of 0.035” would require 18 seconds to flush while 100’ of the same tubing would require 3 minutes to flush.2 ...