iWWD March/April 2017

In mid-February, President Donald J. Trump signed legislation to end the Stream Protection Rule enacted by his predecessor, former President Barack Obama. This rule, according to the Office of Surface Mining Reclamation and Enforcement, a branch of the U...
Rothenbühler Cheesemakers invested in a biological digester for eco-friendly wastewater management. As global demand for dairy products increases, so does the resulting wastewater. The industry requires large amounts of water and power to keep producing...
AlexFert, a large fertilizer company located in Alexandria, Egypt, was interested in reducing the cost of its high purity water treatment operations by using a reverse osmosis (RO) membrane for a desalination process to reduce the ionic burden on its ion...
Table 1. Automated Chemical Feed Delivery Rates Ozone is primarily known as a respiratory irritant created by sun irradiation of ground level pollutants, but it also is a powerful disinfectant used by municipal water facilities, bottled water plants,...
Abase metals mine and mill in the U.S. faced new discharge limits on heavy metals and whole effluent toxicity (WET) that it could not meet using its existing sedimentation pond. The facility discharged mining-influenced water generated from dewatering of...
After six years in service, the worn pump components were still in good condition. Regardless of the pulping methods, paper mill pumps are put under immense strain due to the transfer of viscous material throughout the pulping process. Together, the...
Figure 1. Various types of microsensors for biofilm and corrosion studies: dissolved oxygen microsensor, cobalt-based phosphate detection microsensor, biofilm application, pH measurement at a corroded iron coupon, 3-D microprofiling set up, and needle-...

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