Search results for trichloroethene

Environment Oct 26, 2023

Nearly 40 years later, one of Colorado's longest-running Superfund sites still has no radioactive waste cleanup plan

Jeri Fry was six years old when she toured the uranium mill outside town where her dad worked.

Environment Nov 17, 2020

Microbial remedies target chemical threats in the environment

Across America, hazardous waste sites pose an ongoing threat to human and environmental health. The most severe cases are known as Superfund sites, of which over a thousand currently exist. Some 50 million Americans live ...

Cell & Microbiology Jul 1, 2016

Geomicrobiologists show that many bacteria and fungi in soil make organohalogens

Organohalogens like perchloroethene and trichloroethene are prominent groundwater pollutants due to their industrial use as dry cleaning and degreasing agents and their widespread release into the environment. Volatile organohalogens ...

Environment Jun 26, 2014

Managing specialized microbes to clean stubborn chemicals from the environment

(Phys.org) —Chlorinated chemicals perform a host of societally useful functions, but they also have a dark side. Once their use life has ended, such agents often become environmental contaminants, sometimes resistant to ...

Nanomaterials Jun 27, 2012

Palladium-gold nanoparticles clean TCE a billion times faster than iron filings

In the first side-by-side tests of a half-dozen palladium- and iron-based catalysts for cleaning up the carcinogen TCE, Rice University scientists have found that palladium destroys TCE far faster than iron -- up to a billion ...

Nanomaterials Jun 18, 2010

Tracking the 'evolution' of nanoparticles as they decontaminate groundwater

(PhysOrg.com) -- Engineers use advanced imaging techniques to examine bimetallic materials that have remediated more than 50 toxic waste sites.

Earth Sciences Mar 30, 2009

Scientists offer new theory for largest known mass extinction

The largest mass extinction in the history of the earth could have been triggered off by giant salt lakes, whose emissions of halogenated gases changed the atmospheric composition so dramatically that vegetation was irretrievably ...

Nov 19, 2008

Researchers shed new light on catalyzed reactions

Rice University scientists on the hunt for a better way to clean up the stubborn pollutant TCE have created a method that lets them watch molecules break down on the surface of a catalyst as individual chemical bonds are ...

Nanomaterials May 29, 2008

Nanoparticles assemble by millions to encase oil drops

In a development that could lead to new technologies for cleaning up oil spills and polluted groundwater, scientists at Rice University have shown how tiny, stick-shaped particles of metal and carbon can trap oil droplets ...

Feb 28, 2008

Nature's helpers: Using microorganisms to remove TCE from water

In 2002, Bruce Rittmann, PhD, director of the Biodesign Institute’s Center for Environmental Biotechnology, received a patent for an innovative way to use nature to lend society a hand. He invented a treatment system, called ...

page 1 from 2