| abstract |
A device, in particular a shaft installation, for the decentralized treatment of water, in particular of rainwater from roof drains, has two spaced-apart, a cavity-forming plates (7,8), wherein the cavity for introducing an ion exchanger (10) for reducing heavy metals in the water is provided. The plates (7,8) consist of several segments (20,21,22,23) and are spaced apart from each other. A shaft has a corresponding device (6), wherein the device (6) in the shaft (1) is arranged laterally sealed. In a method for treating water, in particular for reducing heavy metals in water, in particular in rainwater from roof drains, such a device (6) is used in a shaft (1). The ion exchanger (10) is regenerated in the well (1) by flowing a regenerating liquid through the device (6). <IMAGE> |