Our news journalists obtained a quote from the research, "The raw water used was collected from the River Oulujoki. The fractional composition of the water and the seasonal variation of the composition was also studied. For comparison, lake water from one source was also used. The NOM was fractionated into hydrophobic, transphilic and hydrophilic fractions. Aluminium formate was found to be able to remove the hydrophobic fraction the most readily. The removal of the transphilic and hydrophilic fraction was found to be less effective and also more sensitive to the coagulation pH than the hydrophobic fraction with both of the tested coagulants. Similar results were observed with aluminium sulphate."
According to the news editors, the research concluded: "Aluminium formate was thus found to be a potential alternative in the removal of NOM to traditional aluminium coagulants, which can be harmful to process equipment."
For more information on this research see: Removal of different NOM fractions from surface water with aluminium formate. Separation and Purification Technology, 2013;118():842-846. Separation and Purification Technology can be contacted at: Elsevier Science Bv, PO Box 211, 1000 Ae
The news correspondents report that additional information may be obtained from
Keywords for this news article include: Oulu,
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