Search results for wastewater treatment

Environment Apr 20, 2017

Wastewater nutrients converted into clean fertiliser

Aalto University's water and environmental technology laboratory gives off an undeniable whiff of the sewer – and this stench has its roots in a failed West African recycling business.

Energy & Green Tech Sep 2, 2015

Wastewater to irrigate, fertilize and generate energy

To meet the requirements of Asian cities, researchers are adapting an idea they have already applied in Germany for comprehensive water management: They are developing a concept for reducing water use, treating wastewater ...

Biotechnology Apr 2, 2015

Algae from wastewater solves two problems

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 ...

Environment Jan 5, 2015

Nitrogen in reclaimed water can benefit turfgrass

As competition for fresh water increases and fertilizer prices rise, the horticulture industry is looking to reclaimed wastewater as a valuable resource for supplying irrigation and necessary nutrients for urban landscapes. ...

Environment Sep 24, 2014

'Fracking' wastewater that is treated for drinking produces potentially harmful compounds

Concerns that fluids from hydraulic fracturing, or "fracking," are contaminating drinking water abound. Now, scientists are bringing to light another angle that adds to the controversy. A new study, appearing in the ACS journal ...

Energy & Green Tech Oct 28, 2013

Bio-electrochemical systems: Electricity generators of the future?

Billions of euros are spent treating trillions of litres of wastewater every year, consuming substantial amounts of energy. However, this wastewater could act as a renewable resource, saving significant quantities of energy ...

Environment Jul 29, 2011

New study outlines economic and environmental benefits to reducing nitrogen pollution

A new study co-authored by Columbia Engineering professor Kartik Chandran and recently published in the journal, Environmental Science & Technology, shows that reducing nitrogen pollution generated by wastewater treatment ...

Environment Jun 21, 2011

Artificial sweetener leaves lingering aftertaste in the environment

(PhysOrg.com) -- Recently, the global use of artificial sweeteners in foods has dramatically increased. A new study led by Cesar Torres, and Rosa Krajmalnik-Brown – researchers at the Biodesign Institute at Arizona State ...

Environment Aug 10, 2009

Researchers discover high levels of estrogens in some industrial wastewater

In a groundbreaking study, civil engineering researchers in the University of Minnesota's Institute of Technology have discovered that certain industries may be a significant source of plant-based estrogens, called phytoestrogens, ...

Environment Jan 26, 2009

Hypertension and cholesterol medications present in water released into the St. Lawrence River

A study conducted by Université de Montréal researchers on downstream and upstream water from the Montreal wastewater treatment plant has revealed the presence of chemotherapy products and certain hypertension ...

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