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Te Tukanga Whakaputa o te Konutai Sulfide (Na₂S) Konutai Sulphate
Ka whāngaihia te Na₂SO₄ ki roto i te hopper mā te whāngai aunoa, kātahi ka haria ki roto i te rūma mura, ka pupuhihia te Sodium Sulphate, ka tahuna mā te whakamahi i te hau waro. Ina tae te pāmahana ki te 884°C, ka rewa te konutai sulfate ki te āhua wai. Ka noho te Na₂SO₄ kua rewa hei pūmau matū, ā, ka tere te pirau o ngā katote SO₄²⁻. Ka puta he tauhohenga whakakapinga matū mā te whakamahi i te hau waro kei roto he phosphorus, penei:
Na₂SO₄ + 4CO → Na₂S + 4CO₂
Ina huri te mura o te oumu mai i te kikorangi ki te whero, kua oti te tauhohenga whakakapinga e te CO. I tua atu i tēnei wāhi, ka whakamahia noa te CO hei wahie hei whakanui ake i te pāmahana. Ina tae te pāmahana ki te 1100°C, ka tāpirihia he iti o te anthracite. Ka tohuhia te mutunga o te tauhohenga mā te putanga mai o te mura kōwhai kanapa i roto i te oumu. Ko te tauhohenga matū e whai ake nei:
Na₂SO₄ + 2C → Na₂S + 2CO₂
Konutai Wheat.