je.st
news
Ozone depletion chemicals: Tracking down lingering source of carbon tetrachloride emissions
2016-03-01 05:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: Carbon tetrachloride (CCl4) was once commonly used as a cleaning agent and remains an important compound in chemical industry. CCl4 is responsible for that sickly sweet smell associated with dry cleaning solvents from decades ago. It's a known air toxin and it eats away at the ozone layer--the gas accounts for about 10-15 percent of the ozone-depleting chemicals in the atmosphere today. As a result, production across the globe has been banned for many years for uses that result in CCl4 escaping to...
Tags: source
tracking
carbon
chemicals
Category:Electronics and Electrical