Contaminants of concern ...

Chlorinated aliphatic hydrocarbons such as chlorinated methanes, ethanes and ethenes are common groundwater contaminants that pose significant environmental and health risks. These solvents, such as perchloroethene (PCE: drycleaners), trichloroethene (TCE: metal fabricators and paint shops), chloroform (CF: chemical manufacturing) and 1,2-dichloroethane (DCA: mechanical workshops) can all be rendered harmless using bacteria we have in our library.

Petroleum hydrocarbons such as petrol, diesel, lubricating oil, grease and crude oil are common contaminants for a wide variety of sites.  Contaminated sites include not just large oil refineries, gas-works sites and fuel storage depots, but also end users and retailers such as mines, railways, farms and of course service stations.

Our bioremediation strategies for soil are generally aerobic in nature, however petroleum hydrocarbons vary significantly and so too do the microbes and conditions required to bioremediate them.  This is where we can help.

Pools of Petroleum hydrocarbon LNAPL can be skimmed off groundwater using in well skimmers or dual phase extraction.  However, what about the LNAPL that isn’t mobile?  Or isn’t hydraulically connected to the extraction wells?  Or dissolved phase hydrocarbon plumes?  This is where bioremediation excels.

Excess nitrogen in groundwater, surface water, aquaculture ponds and soil can result from agricultural runoff, excessive fertilisation of gardens, improperly treated sewage release, industrial processes, and mine site explosive residues can lead to environmental problems such as blue-green algae blooms and pathogen proliferation. Our bioremediation services focus on microbial denitrification to reduce nitrogen levels.