nūhou

Ke Kemika o H2S Mitigation. Hoʻonui mākou i nā waiwai koʻikoʻi 3 o ka mole H2S i ka wā o ka hoʻemi ʻana o H2S.

He kinoea ʻakika ʻo H2S a e paʻakai i nā amine he nui i ka aminium hydrosulphide. Hiki ke hoʻohuli ʻia ka hopena a lilo i kumu no kahi ʻāpana hoʻoheheʻe amine; hoʻokaʻawale ʻia ka paʻakai i ka H2S a me ka amine manuahi e ka wela. Hoʻopau kēia kaʻina hana i ka CO2 no ka mea he kinoea ʻakika.

ʻO ka H2S kahi mea hoʻemi a no laila hiki ke hoʻokahe koke ʻia. ʻO ke kūlana valence o ka sulfur he -2 i ka H2S a hiki ke hoʻokahe ʻia i ka 0, elemental sulfur (eg alkaline sodium nitrite a hydrogen peroxide) a i ʻole +6, sulphate e ka chlorine dioxide, hypohalites etc.

He nucleophile ikaika ka H2S ma muli o ka sulfur atom he kumu Lewis palupalu. Aia nā electron i loko o ka pūpū electron 3, ʻoi aku ka nui o ka nucleus, ʻoi aku ka paʻa a me ka maʻalahi o ka neʻe ʻana. ʻO kahi hiʻohiʻona maikaʻi loa o kēia, ʻo ia ka H2O he wai me kahi paila o 100 C akā ʻo H2S, he moleke kaumaha, he kinoea me kahi paila -60 C. ʻO ka waiwai kumu Lewis paʻakikī o ka ʻātoma oxygen e hana i ka hydrogen ikaika loa. ʻoi aku ka nui ma mua o ka H2S, no laila ka ʻokoʻa nui o ka helu hoʻolapalapa. Hoʻohana ʻia ka mana nucleophilic o ka sulfur atom i ka hopena me ka triazine, formaldehyde a me nā mea hoʻokuʻu hemiformal a formaldehyde, acrolein a me glyoxal.