Describe

BIOREMEDIATION

b.stev

WHA T IS B ioremediation?

(Wikipedia, 2008)

non disruptive and inexpensive

arsenic, cadium, lead, selenium, zinc, uranium, mercury

(Wikipedia, 2008)

(Wikipedia, 2008)

SLUDGES/ SEDIMENTS & CONTAMINATED SOILS

Mixed into soil surface OR bio-treatment cell

AND: periodically turned, AERATING THE MIXTURE

ALSO SYSTEMS used to treat:

NEAR SURFACE soil contamination hydrocarbon & pesticides

used for years in management /disposal of :oily sludge & other petroleum refinery wastes

(Wikipedia, 2008)

MICROBES treat:contamination in soil & water

completely degrades these to

ETHYLENE and CHLORIDE

which are NON-TOXIC

USED in: MUNICIPAL WASTEWATER TREATMENTto restart activated sludge bioreactors

Chlorinated ethenes

Tetrachloroethylene

Trichloroethylene

(Wikipedia, 2008)

Bibliography

Wikipedia. (2008). Bioremediation - wikipedia, the free encyclopedia. Retrieved September13, 2008, from http//: www. en.wikipedia.org/wiki/Bioremedi ation - 44k -

Transgalactic Ltd. (2005). What is Bioremediation. Retrieved September 13, 2008, from http//: www.bionewsonline.com/w/what_is _bioremediation.html