Ablaufwasser aus Kleinkläranlagen/en: Unterschied zwischen den Versionen

Aktuelle Version vom 7. November 2018, 15:49 Uhr

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In Europe, the quality of water discharged from small treatment plants is governed in 91/271/EEC directive.

Class	CSB mg/l	BSB5 mg/l	NH4-N mg/l	N_anorg. mg/l	P mg/l	Faecal coliforme Keime je 1000 ml	AFS mg/l
C	150^/100^**	40^/25^*	-	-	-	-	75^*
N	90^/75^**	20^/15^*	10^**	-	-	-	50^*
D	90^/75^**	20^/15^*	10^**	25^**	-	-	50^*

^* obtained from certified sample, ordinary sample of faecal coliform bacteria

^** ** determined from 24 h mixed sample; NH₄-N and N_anorg.. with temperature of discharged water T ≥ 12°C

Most modern water treatment plants have improved over BOD₅ discharge values of < 25 mg/l.

@@ Zeile 4: / Zeile 4: @@
 {| class="wikitable"
 |-
-! Klasse !! CSB mg/l !! BSB5 mg/l !! NH4-N mg/l !! N<sub>anorg.</sub> mg/l !! P mg/l !! Faecal coliforme Keime je 1000 ml !! AFS mg/l
+! Class !! CSB mg/l !! BSB5 mg/l !! NH4-N mg/l !! N<sub>anorg.</sub> mg/l !! P mg/l !! Faecal coliforme Keime je 1000 ml !! AFS mg/l
 |-
 | C || 150<sup>*</sup>/100<sup>**</sup>* || 40<sup>*</sup>/25<sup>**</sup> || - || - || - || - || 75<sup>*</sup>
@@ Zeile 13: / Zeile 13: @@
 |}
-<sup>*</sup> erteilt aus der qualifizierten Stichprobe, bei faecal coliforme keime einfache Stichprobe
+<sup>*</sup> obtained from certified sample, ordinary sample of faecal coliform bacteria
-<sup>**</sup> ermittelt aus der 24-h Mischprobe; NH<sub>4</sub>-N und N<sub>anorg.</sub> Bei Abwassertemperaturen T &ge; 12°C
+<sup>**</sup> ** determined from 24 h mixed sample; NH<sub>4</sub>-N and N<sub>anorg.</sub>. with temperature of discharged water T &ge; 12°C
-Die meisten modernen Kläranlagen verfügen über bessere BSB<sub>5</sub> Ablaufwerte von < 25 mg/l.
+Most modern water treatment plants have improved over BOD<sub>5</sub>   discharge values of < 25 mg/l.