Is perchloroethylene biodegradable?
Tetrachloroethylene (PCE) is the only chlorinated ethylene derivative that resists aerobic biodegradation.
Is perchloroethylene soluble in water?
Water
Tetrachloroethylene/Soluble in
How is perchloroethylene made?
Traditionally, perchloroethylene was produced by reacting acetylene with chlorine via trichloroethylene as an intermediate but acetylene has now been replaced by a variety of feedstocks such ethylene dichloride (EDC), C1-C3 hydrocarbons or chlorinated hydrocarbon wastes.
How does Perchloroethylene affect the environment?
Tetrachloroethylene is present in low concentrations and has a short half-life in the atmosphere. As such, it is not expected to contribute significantly to the formation of ground-level ozone, global warming or depletion of stratospheric ozone.
Why is Perchloroethylene hazardous?
Effects resulting from acute (short term) high-level inhalation exposure of humans to tetrachloroethylene include irritation of the upper respiratory tract and eyes, kidney dysfunction, and neurological effects such as reversible mood and behavioral changes, impairment of coordination, dizziness, headache, sleepiness.
What is the difference between aerobic and anaerobic biodegradation?
Biodegradation is basically another term for this. It is the chemical breakdown of unwanted waste materials using living organisms. An aerobic organism functions in the presence of oxygen. An anaerobic organism functions without the use of oxygen.
What is anaerobic bioremediation?
Anaerobic bioremediation of chlorinated solvents, a process also known as reductive dechlorination, is the biologically mediated process by which chlorinated hydrocarbons are degraded under anoxic or anaerobic conditions.
What is perchlorethylene used for?
Perchloroethylene is a solvent commonly used in dry cleaning operations. When applied to a material or fabric, perc helps dissolve greases, oils and waxes without damaging the fabric.
Why is perchloroethylene hazardous?
What are three of the dangers associated with exposure to perchloroethylene?
What contains perchloroethylene?
Tetrachloroethene is found in consumer products, including some paint and spot removers, water repellents, brake and wood cleaners, glues, and suede protectors.