Tag: wastewater
-
Algae from wastewater solves two problems: biofuel and cleanup
In one of the first studies to examine the potential for using municipal wastewater as a feedstock for algae-based biofuels, Rice University scientists found they could easily grow high-value strains of oil-rich algae while simultaneously removing more than 90 percent of nitrates and more than 50 percent of phosphorus from wastewater. The findings, which are…
-
Anxiety drugs are getting into the water we drink. This is how we could stop them
New research shows that pharmaceutical drugs are not being filtered out of our water systems. Image: Reuters/Srdjan Zivulovic Wastewater treatment plants catch a lot of the nastiness that swirls through our sewage and agricultural run-off before that water is reused. But those facilities tend to miss filtering out pharmaceutical drugs that make their way into…
-
Water wars redux: Could Tampa-backed bills doom Tampa Bay Water?
Photo: Water flows into the Tampa Bay Water desalinization plant off of Big Bend Road in Apollo Beach. Tampa Bay Water is the region’s water utility, but two legislative bills backed by the City of Tampa could threaten the agency. [SKIP O’ROURKE | Times] CLEARWATER FL — For 20 years, the regional water supply agency…
-
Oil and gas wastewater radioactivity persists in Pennsylvania stream sediments
Photo: Treated oil and gas wastewater flows into a stream in western Pennsylvania. A new Duke study finds stream sediments at disposal sites such as this one have levels of radioactivity that are 650 times higher than at unaffected upstream sites. Credit: Avner Vengosh, Duke University The contamination is coming from the disposal of conventional,…
-
Water treatment for cement plant wastewater
Highlighting the importance of water treatment for cement plant wastewater. A cement plant wastewater treatment system has to be highly effective in order to remove the minute particulate that remains after cement production. This task becomes even more important when a closed system – the industry standard – is in place and the waste water…
