Painga o te muka uku ātete i roto i te oumu pakaru 3

I tēnei putanga ka haere tonu mātou ki te whakauru i ngā painga o te muka uku ātete-wera.

Kāore he take mō te whakamahana me te whakamaroke i te oumu i muri i te hanganga
Mena he pereki ātete-wai me ngā mea whakarewa ātete-wai te hanganga o te oumu, me whakamaroke, me whakamahana hoki te oumu mō tētahi wā kua whakaritea e ai ki te hiahia. Ā, he roa rawa te wā whakamaroke mō ngā mea whakarewa ātete-wai, arā, 4-7 ngā rā, ka whakaiti i te tere whakamahinga o te oumu. Mena ka whakamahia e te oumu he hanganga muka katoa, ā, kāore e herea e ētahi atu wāhanga whakarewa, ka taea te whakanui wawe i te pāmahana o te oumu ki te pāmahana mahi i muri i te hanganga. Ehara i te mea ka whakapai ake i te tere whakamahinga o ngā oumu ahumahi anake, engari ka whakaitihia hoki te whakapaunga wahie kore-whakaputa.
He iti rawa te kawe wera
He whakakotahitanga muka te muka uku ātete, he 3-5um te whānui. He maha ngā āputa i roto i te pakitara, ā, he tino iti te kawe wera. Heoi, i ngā pāmahana rerekē, ko te kawe wera iti rawa he rite tonu te matotoru papatipu, ā, ko te kawe wera iti rawa me te matotoru papatipu e rite ana ka piki ake i te pikinga o te pāmahana. E ai ki ngā wheako o te whakamahi i te oumu pakaru hanganga muka-katoa i ngā tau tata nei, he pai ake te whakahaere i te matotoru papatipu ki te 200~220 kg/m3.
He pai te pumau matū me te ātete ki te horo o te hau:
Ko te waikawa phosphoric, te waikawa hydrofluoric me te kawakore wera anake ka waikuramuka uku āteteHe pumau te muka uku ātete ki ētahi atu mea waikura.