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Information about Grease Traps

Bioremediation eliminates odours and $ fines




In 1999, a chicken processing plant in the U.S. state of North Carolina was battling with aerobic pond overload and complaints over odour. The facility was fined for grease deposits in its effluent as well as high levels of biological oxygen demand (BOD), total suspended solids (TSS) and fat, oil and grease (FOG).
The company was faced with dredging the grease solids or building new ponds - with an overall cost of $1 million. However, using a Grease Eradication System (GES), Environmental Biotech (EBI) managed to eliminate the odours within several days and had completely rehabilitated the ponds in just six months.
The processing plant processes more than 160,000 birds and generates almost 2.5 million litres of wastewater daily - its treatment system consists of rotary drum screens, gravity separation, ozonization and two 15 million litre aerobic ponds.
After six months grease mats were completely eliminated from one pond. The aeration zone of the other pond was cleared, and the mass and depth of grease in the separation zone reduced dramatically.
EBI's bacteria products are laboratory grown, and freeze dried. Bill Hadley, president of EBI says GES is a cost effective, environmentally friendly system.
"Our state of the art technology harnesses the power of bioremediation, a natural process in which bacteria actually consume grease and oil from drain lines, grease traps and interceptors. These bacteria are non toxic, non pathogenic, live and vegetative. And best of all, they turn grease and oil waste into harmless carbon dioxide and water."
Environmental Bio-Solutions of NZ Ltd is the New Zealand agent for this product.


Bioaugmentation: A safe, sensible way to eliminate stubborn industrial and commercial wastes. Public and political pressures continue to mount on industry to provide safe solutions to problems of eliminating various pollutants in their waste stream..... and our precious water resources! These concerns demand that business and industry find the most efficient means to use earth’s natural resources, and yet return them quickly to the environment, FREE of chemical contaminants.

BIOAUMENTATION is the application of biological treatment for cleanup of industrial wastes and hazardous chemicals. This “Natural” environmental solution has grown from an unknown technology to one of the major treatment methods of choice to enhance these cleanups. Bioaugmentation is extremely cost-effective compared to other treatment technologies. Further, biological treatment destroys most organic wastes, leaving only harmless end products -- thus eliminating any future environmental rists or liabilities.

HOW IT WORKS: These versatile bacterial strains are naturally occuring microbes, specifically isolated in the environment for their exceptional performance at eliminating a wide range of recalcitrant compounds prevalent in wastewater. The Munox® strains are “versatile” in that they are a stabilized, live vegetative technology -- not “spores” which need to germinate before reaching a metabolic state. The Munox® microoganisms arrive "alive", at their most robust peak of "adult" appetite -- ready to go to work immediately to eliminate a host of stubborn organic compounds. These Hungry Bacteria® quickly and efficiently metabolize contaminants, yielding the by products of simple carbon dioxide and water.




This same product can be used in the prevention of Avian Botulism. Used by the Waitakere City Council to treat their stormwater ponds, there has been no outbreak of botulism this summer, unlike the North Shore City which doesn't treat the stormwater. A recent outbreak (newspaper article here) partly due to low rainfall and reducing pond levels, therefore warming up, has helped to create this problem. The bacteria is anaerobic, therefore the above conditions which reduce oxygen levels increases the chance of an outbreak.