| 摘要 |
The present invention relates to a process for purification of water, comprising addition of an alkalinity affecting material, which material is chosen from calcium, sodium and/or magnesium containing compounds, addition of a coagulant containing ferric salt in an amount of about 3.5-40 mg Fe3+/l water to be purified, and addition of hydrogen peroxide in an amount of about 0.2 to 15 mg/I water to be purified, wherein said water to be purified has an alkalinity of about 0.05-0.9 mmol/l and an amount of total organic carbon (TOC) of 5-25 mg/l, and said alkalinity affecting material is added before the coagulant and hydrogen peroxide. |
