| 摘要 |
<p>A method and device for the purification and treatment of a liquid, wherein the liquid is purified by flowing through a filter material (18, 20), the filter material being arranged to be cleaned by means of counter-flow flushing, and wherein, with the aim of changing the pH-value and alkalinity of the liquid, the liquid flows through a reaction material (26) in the form of magnesium oxide and/or calcium carbonate, the liquid flowing in a falling manner through the filter material, and flowing in an ascending manner through the reaction material.</p> |
