Purifying sludge through oxygen-based digestion

An additive for oxygen-based processing of sludge may be useful in specific cases in lowering the environmental impact of waste water treatment for the meat and dairy industries.

80% of Indian sewage 'flows untreated into rivers'

Eighty percent of sewage in India is untreated and flows directly into the nation's rivers, polluting the main sources of drinking water, a study by an environment watchdog showed Tuesday.

Nanosilver from clothing can pose major environmental problems

(Phys.org)—Silver nanoparticles can have a severe environmental impact if their utilisation in clothing continues to increase. If everyone buys one silver nanoparticle-treated sock a year, the silver concentration in waste ...

Antibiotic contamination a threat to humans and the environment

Researchers from the University of Gothenburg, Sweden, spend August in Sisimiut on the west coast of Greenland studying the prevalence of antibiotic resistance and the effects of antibiotic emissions on communities of bacteria ...

Waste water treatment plant mud used as 'green' fuel

Catalan scientists have shown that using mud from waste water treatment plants as a partial alternative fuel can enable cement factories to reduce their CO2 emissions and comply with the Kyoto Protocol, as well as posing ...

page 5 from 7