Pulp and paper waste streams are exceptionally well suited for spectral analysis due to the high concentration of UV/Vis light absorbing organics in their process water and waste streams. Continuous monitoring of the organic load by means of COD/BOD correlations will help ensure the treatment process is carried out in the most efficient way possible by optimizing aeration rates and nutrient dosing while also making sure that all the regulatory goals are met.
By Real Tech Inc. based in Whitby, ONTARIO (CANADA).
Salmonoids are especially demanding about water quality and high oxygen content. The oxygen concentration should be kept at least 5 mg/l throughout the year. This ensures good condition of fish and facilitates quick maturity without disturbances.
Sufficient oxygen content near the basin bottom (2 mg/l) prevents leaching of nutrients and in particular phosphor into the water. Dissolved nutrients have a detrimental impact on water quality and – at worst – can cause growth of cyanobacterium. Furthermore, nutrients can transfer from fish basins to cause loading on other waterways. The Waterix AIRIT® product family has aerators to match different fish hatchery basin sizes. Waterix can help you to choose the right device – just contact us! The operating efficiency of Waterix AIRIT® aerator is very high – energy consumption remains low.
By W-Rix Ltd based in Parainen, FINLAND.
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