
Ko te whakakī taura whiri porowhita he mea hanga ki ngā muka PP+waipiro hei rauemi mata, mā te whakamahi i te tikanga raranga whakauru o ngā rauemi pīwariwari me ngā rauemi ngohengohe. Ka whakamahia e te miro he tauira rite ki te nakahi, ka hanga he maha ngā muka porowhita hei hanga i tētahi hanganga porowhita, ka whakanui ake i tōna horahanga mata, ā, he pai mō te tipu me te whakaputa uri o ngā momo moroiti, kia eke ai te kukū o ngā moroiti piri ki runga ake i te 15000mg/l; Ko te hanganga porowhita porowhita i hangaia e ngā rauemi pīwariwari me ngā rauemi ngohengohe ka whakanui ake i te porowhita o te whakakī, ka taea ai te tuku pai i ngā āhua totoka, wai, me te hau; Ka taea e te hanganga porowhita ahurei te ārai i te kiriuhi nui o te kiriata koiora i puta mai i te pānga o te rere o te wai.
| Rahi | Horahanga Mata (m2/m) | Utaina BOD (kg/m3d) | Utaina N (kg/m3d) | Te kukū koiora (mg/L) | Te tawhiti tāutanga (mm) |
| 60S2 | 192 | 0.5-3.0 | 0.5-1.0 | 2500-15000 | 120-180 |
| 80S2 | 228 | 160-240 | |||
| 60S3 | 288 | 120-180 | |||
| 80S3 | 348 | 160-240 | |||
| 60C3 | 300 | 120-180 |
Ina hangaia te taura momo kiriata Bio, ka puta mai i te wheketere me te utu paku pai. Ina whakanohoia ki roto i te wai, ka kukume mai i ngā moroiti, he utu paku kino tō rātou i te āhua. Ka kukume mai hoki te hanganga o te taura momo kiriata Bio i ngā moroiti. Nā tēnei, ko te taura momo kiriata Bio te mea pai mō ngā moroiti ki te noho me te tipu ki runga. Ka piri ngā moroiti ki ngā miro, ā, ka pirau haere. E toru ngā taahiraa e mahia ana tēnei, tae atu ki te taahiraa anaerobic mō te tango i ngā totoka tino pai (te pakaru tere).
1. Kua whakaritea te mokowā poutū me te mokowā whakapae b (100~200mm) mō te tautoko tākai, nō reira ko te nui o te tāutanga o te taura tautoko tākai 1m3 momo whakakī koiora he 25~100m.
2. Ka whakapirihia te whakakī koiora momo taura ki runga i te whāriki whakakī mā te whakamahi i ngā here PP me te PE. Kāore e hiahiatia kia tapahia te whakakī koiora momo taura, engari ka taea te whakapiri 100~200mm i te whāriki, kātahi ka whakapiri.
3. E rua ngā huarahi hei whakatakoto i te whakakī koiora momo taura ki roto i te tāke whakapūngao: momo rere wehewehe, ka tāutahia te whakakī ki tetahi taha, ā, ko tetahi taha hei whakamahi mō te whakapūngao. Me rāhui he wāhi rere wai nui ki runga ake, ki raro hoki i te whakakī, ā, ka taea te whakatakoto i te ārai whakapūngao ina hiahiatia; ko te momo tuarua ko te momo tika. Ka tāutahia te taputapu whakapūngao ki raro i te whakakī, ā, ka pā tika te rere o te hau wai ki te kiriata koiora, ka tukuna te hāora.
4. Te mokowā tāutanga wehewehe b: 100~150mm; Te mokowā tāutanga tika b: 150~200mm.