Ngā Whakamahinga me ngā Mātāpono o te Konutai Hydrosulfide (NaHS)
Ko te konutai hauwaihau, me te tauira matū NaHS, he matū kore-waro, he konutai nui hoki. He tote i hangaia mai i ngā kationi konutai (Na⁺) me ngā anion hauwaihauhau (HS⁻), e puta pinepine ana hei paura tioata mā i roto i tōna āhua totoka. Ka wairewa te konutai hauwaihauhau ki te wai, ka hanga he otinga kawakore. He pai te wairewa me te pumau, ā, ka whānui te whakamahinga i roto i ngā mahi ahumahi me ngā mahi taiwhanga.
E whakamahia whānuitia ana te konutai hauwai sulfide puta noa i ngā ahumahi maha, ko te nuinga i roto i ngā wāhanga e whai ake nei:
2.1 Te Ahumahi Tukatuka Whakarewa: He rongoā mata whakarewa te konutai hauwaioraurihi. Ka tauhohe ki ngā mata whakarewa hei hanga i tētahi kiriata whanariki tiaki, hei ārai i te waikura. Nā tēnei āhuatanga i tino hiahiatia ai mō te tiaki i te waikura whakarewa, te whakakikorua hiko, me ētahi atu tukanga e pā ana.
2.2 Te Hanganga Ora: I roto i te hanga matū waro, ka mahi te hauwai hauwai konutai hei kaiwhakaiti. Ka taea e ia te whakaiti i ngā rōpū mahi pēnei i ngā aldehyde me ngā ketone ki ō rātou waipiro e rite ana, me te whakaiti anō hoki i ngā pūhui kei roto ngā hononga takirua ki ngā waipiro, ki ngā amine rānei.
2.3 Te Whakarite i ngā Whāriki: Hei pūtake whanariki, ka tauhohe te hauwaiwaro konutai ki ngā katote konganuku hei hanga i ngā whanawaro konganuku e rite ana. Hei tauira, ka tauhohe ki ngā katote konganuku hei hanga i te konutai polysulfide, he matū disulfide nui e whakamahia whānuitia ana hei rauemi mata i roto i te hangarau rauemi waro.
I roto i te whatunga tioata o te hauwaihau konutai, ka herea ngā katote konutai (Na⁺) me ngā katote hauwaihau (HS⁻) e ngā hononga katote, he hanganga e tautoko ana i ōna āhuatanga matū ahurei.
3.1 Te kawakore: Ina rewa ki te wai, ka wehea te NaHS hei iona Na⁺ me te HS⁻. He kawakore te iona HS⁻, ā, ka waiho te wairewa hauwai sulfide konutai hei mea taketake, ā, ka taea te whakakore i ngā waikawa.
3.2 Ngā Āhuatanga Whakaiti: He kaha te mahi a te konutai hauwai-sulfide hei kaiwhakaiti mā te tuku i ngā irahiko ki ngā kaiwhakaiti waikura i ngā wā tauhohenga. I roto i te hanganga matū waro, ka whakaitihia e ia ngā aldehyde, ngā ketone, me ētahi atu rōpū mahi ka taea te whakaiti hei waipiro, hei amine rānei.
3.3 Ngā Āhuatanga Whakapūngao: He mea tito te konutai konutai ki ngā katote hauwai-sulfide, ā, ka tauhohe te hauwai-sulfide konutai ki ngā katote konganuku hei hanga i ngā whanariki e rite ana. He āhuatanga me ngā whakamahinga ahurei tō ēnei whanariki.
Hei matū kore-waro nui, ka kitea te whakamahinga whānui o te konutai hauwai-sulfide i roto i te tukatuka whakarewa, te hanga waro, me te whakarite whanariki. Ko ōna āhuatanga ā-roto—te kawakore, te whakaitiiti, me te tauhohenga whanariki—ka taea ai te whānuitanga o ngā tauhohenga matū me ngā tono mahi. He mea nui te māramatanga hohonu ki ōna tono me ngā mātāpono hei whakanui ake i tōna mahi me te whai huatanga i roto i te whakamahinga ahumahi.
Te Waikawa Sulfide Konutai – Zibo Anhao Chemical Co., Ltd.
He kaiwhakarato pono a Zibo Anhao Chemical Co., Ltd. mō te Sodium Hydrosulfide (NaHS), he matū whanariki inorganic nui me te nama CAS 16721-80-5. Kei te wātea tā mātou hua i roto i ngā kongakonga totoka parakore teitei (≥70% parakore) me ngā otinga wai pumau (30%–45% kukū), i whakaritea kia tutuki ai ngā tono ahumahi kanorau.
I hangaia i raro i ngā paerewa whakahaere kounga tino pakari, he pumau ngā āhuatanga matū o tō mātou konutai hauwai-sulfide, he wairewa teitei ki te wai, ā, he kaha te wairewa kawakore (pH 12–13). He rauemi mata matua tēnei puta noa i ngā rāngai maha: Te Keri me te Whakarewa, Te Ahumahi Hiako, Te Tae me ngā Matū, Te Maimoatanga Wai Para, Te Tongi me te Muka.
Kei Zibo, Shandong—te pokapū ahumahi matū o Haina—tō mātou wāhi rautaki, ka whakarite mātou i te pumau o te tuku, te utu whakataetae, me te takai ngāwari (pēke 25kg, pahu 200kg). E tutuki ana tā mātou konutai hauwaihāurihi i ngā paerewa kounga o te ao, e whakarato ana i te mahi pumau mō ngā kiritaki o te ao.
