Te Whakamāori i te Konutai Hydrosulfide: Papamuri me ngā Māramatanga
I roto i te umanga hinu me te matū, ko ngā tukanga whakapai hinu pēnei i te whakahorohoro korehau me te pakaru catalytic ka whakaputa i ngā hau waikawa. Ko te nuinga o ēnei hau waikawa he 85%–95% te hauwai whanariki (H₂S), 3%–10% te hauhā waro (CO₂), 2%–5% ngā hau rauropi, me te 0.5%–3% ētahi atu wāhanga.
Ko te tikanga, ka tukatukahia ēnei hau waikawa e ngā whare hanga hinu iti me te rahi mā te mimiti i a rātou ki te 30% o te wairewa hauwai konutai (NaOH). Ka tauhohe te NaOH ki te H₂S hei hanga i te hauwai konutai (NaHS). Ina tae te kukū NaHS i roto i te wairewa ki te 30%, ka pāngia te wairewa e te tukanga kukū. I muri i te maroke me te kukū, ka piki ake te ihirangi NaHS ki 70%, kātahi ka tapatapahia te NaHS rewa kia maramara.
Heoi, nā te mea kei roto i ngā hau waikawa te CO₂, ka puta mai ngā poke pēnei i te konutai kāponāte (Na₂CO₃) i te wā e tukatukahia ana, ka whakaiti i te parakore o te hua NaHS.
Hei tāpiritanga, ina whakamahia ngā mīhini whakapūkara tuwhera hei tapatapahi i te NaHS rewa, ka tauhohe te NaHS ki te hāora i te rangi, ka hanga he konutai thiosulfate (Na₂S₂O₃), he mea ka pirau, ā, he uaua ki te penapena. Ka tukuna hoki e te tapatapahi tuwhera ngā hau whakapataritari, ka poke i te taiao whakaputa.