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Cayman Islands-based Bluewater Bio International has developed a biological solution to the treatment of waste water called HYBACS. It can remove organic matter and odours as well as more e-coli bacteria than other competing technologies. The process encourages Bacilli bacteria to grow within the biomass in the system and this helps to destroy a range of substrates. The origins of this treatment go back almost two decades and Bluewater employs the team who originally developed the technology behind HYBACS. HYBACS can also be retrofitted to existing plant. The treatment can take place at low temperatures and uses less energy than many rivals. The resulting water can be used for irrigation although it may require additional disinfection if it is used with crops that will be eaten raw. The sludge separated from the water can be dumped in landfill or burnt. It can, in many cases, be used as fertiliser but it will require further treatment. More recently the company has placed more emphasis on the municipal waste water treatment market. The company was formed through the acquisition of a number of companies which owned certain intellectual property related to HYBACS and had experienced employees familiar with the technology. Bluewater raised £2.775m (£2.31m after expenses) at 12.5p a share in a placing that accompanied its admission to AIM on 13 December 2007.
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