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Improved liquid phase odour control in the sewerage network
In January 2014, Biosol was awarded a public tender to treat the total Griffith City Council (GCC) sewer network for odour and corrosion control. By April 2014 the former dosing regimen of Magnesium Hydroxide Liquid (MHL) and Ferrous Chloride was decommissioned and non-hazardous Biosol dosing commenced.
Biosol’s application at Griffith has proven to be an outstanding demonstration site because of the amount of historical H2S (OdaLog) data that has been gathered. This has allowed direct comparisons with the previous odour control regime of MHL and ferrous chloride dosing.
Biosol offers a fundamentally new approach to sewer odour and corrosion control. Two products, working synergistically together, are used to treat the cause of sewer odour and infrastructure corrosion. Biosol BRX 2DE is responsible for sending bacteria in the biofilm from the breeding / feeding form to the single cell planktonic form. In the single cell form, the bacteria are dormant and do not feed nor produce odour. Critically, single cell bacteria, don’t produce the exopolysaccharide glues that adhere the biofilm to the substrate (pipe). Consequently, the biofilm matrix disintegrates and is washed via normal sewage velocities to the treatment plant for processing. Biosol’s second product, BRX 1CN, is designed to block the feeding of the remaining sulphur, reducing and methane forming bacteria in the sewers. This is achieved by blocking the Krebs, or citric acid cycle, of these bacteria.
Biosol does not kill bacteria, it simply changes the bacteria’s state from one form to another and back again. Killing bacteria leads to the development of bacterial resistance – which is a significant problem in our hospitals.
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