Oct 30, 2015

IWWD November/December 2015

The U.S. Environmental Protection Agency (EPA) and state and local water quality boards across the U.S. have mandated that numerous bays and harbors reduce toxic copper levels in seawater by definitive specified dates. The presence of toxic copper is the…
In the summer of 2010, a large refinery complex in the Northeast was facing a two- to three-month maintenance outage on one of two aeration basins in its activated sludge wastewater treatment system. During the outage, all of the refinery wastewater…
One of the greatest challenges for building a 1.6-million-sq-ft ConAgra distribution center was not the building itself, but how to manage storm water runoff. It was determined that handling storm water from both the building’s site and nearly 500 acres…
Industrial pulp and paper wastewater is considered one of the more challenging waters to treat biologically. The most commonly adopted pulp and paper mill biological treatment methods are activated sludge process, aerated and anaerobic lagoons and…
The manufacturing of dyes in the textile industry requires the use of high concentrations of salts, such as sodium chloride. Therefore, salt removal and dye concentration is a necessary step in the preparation and purification of the final dye product.…
Every September, Protect Your Groundwater Day rolls around, reminding us of the importance of ensuring we have enough of this critical resource. And even though this year’s date has passed, the upcoming National Ground Water Assn.’s Groundwater Expo,…
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