Ko te tukanga desulfurization te nuinga o nga punaha e wha:
1. Pūnaha hau rewharewha: te kawenga mo te whakauru me te maimoatanga o te whanariki-kei roto te hau rewharewha;
2. Pūnaha whakarite slurry: whakarite i te kaihoko desulfurizing ki te āhua slurry;
3. Pūnaha horoi me te whakauru: ka whakahaere hau-te whakapiri wai me te tauhohenga matū;
4. Pūnaha whakamaroke me te whakamaroke: ka rongoa i nga hua -a muri i te tauhohenga.