| 摘要 |
An apparatus for purifying water, comprising an ion exchanger with a water inlet and a product outlet, connected to an inlet of a first filtration step, which comprises one or more nano- and/or RO-filtration membranes and is provided with a first permeate outlet and a first concentrate outlet. According to a first embodiment, the apparatus comprises a subsequent filtration step in which an inlet is connected with the first concentrate outlet, which subsequent filtration step comprises one or several subsequent nano- and/or RO-filtration membranes, and which is provided with a second permeate outlet and second concentrate outlet, which second concentrate outlet is optionally connected with an inlet of a subsequent filtration step.
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