| 摘要 |
The present invention relates to a precast reinforced concrete catching or collecting chamber. Chamber characterised in that in the case of catching sources or springs of acidic water having a pH less than 7, the tank of the catching chamber is connected to a treatment device consisting of a first precast chamber 22 comprising a raw water inlet receptacle 23, a treated water recuperation receptacle 24 and a technical space 25, and of a second precast chamber 26 for filtering containing a layer of neutralising product 29, and connected by inlet 27 and outlet 28 pipes to the first precast chamber. <IMAGE>
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