Tsarin da ke haifar da ɓawon burodi a cikin tukwane na shayi zai iya taimakawa wajen tsaftace gurɓataccen ruwan nickel daga ruwan teku, a cewar wani sabon bincike daga tsibirin New Caledonia na Kudancin Pacific.
       Nickelhakar ma'adinai shine babban masana'antu a New Caledonia;karamar tsibirin na daya daga cikin manyan masana'antar karafa a duniya.Amma haɗuwar manyan ramukan buɗe ido da ruwan sama mai yawa ya haifar da adadin nickel, dalma da sauran karafa da ke ƙarewa a cikin ruwayen da ke kewayen tsibiran.Gurbacewar nickel na iya yin illa ga lafiyar ɗan adam yayin da maida hankalinsa a cikin kifaye da kifaye yana ƙaruwa yayin da kuke haɓaka sarkar abinci.
Marc Jeannin, injiniyan muhalli a Jami'ar La Rochelle a Faransa, da abokan aikinsa a Jami'ar New Caledonia a Nouméa sun yi mamakin ko za su iya amfani da tsarin kariya na cathodic, wata dabarar da ake amfani da ita don yaƙar lalata kayan ƙarfe na ruwa, don samun wasu. nickel daga ruwa.
Lokacin da aka shafa wutar lantarki mai rauni a kan karafa a cikin ruwan teku, calcium carbonate da magnesium hydroxide suna hazo daga cikin ruwan kuma su samar da lemun tsami a saman karfen.Ba a taɓa yin nazarin wannan tsari ba a gaban ƙazanta na ƙarfe irin su nickel, kuma masu binciken sun yi mamakin ko wasu ions na nickel na iya kama su a cikin hazo.
Tawagar ta jefa wata waya ta karfe a cikin bokitin ruwan teku na wucin gadi wanda aka saka gishirin NiCl2 a ciki kuma ya yi amfani da wutar lantarki mai sauki ta tsawon kwanaki bakwai.Bayan wannan ɗan gajeren lokaci, sun gano cewa kusan kashi 24 cikin ɗari na nickel ɗin da aka samo asali sun makale a cikin ma'auni.
Jannen ya ce yana iya zama hanya mai sauƙi kuma mai sauƙi don cirewanickelgurbacewa."Ba za mu iya kawar da gurbacewar gaba daya ba, amma hakan na iya zama wata hanya ta takaita shi," in ji shi.
Sakamakon ya kasance ɗan bazuwar, saboda kawar da gurbatar yanayi ba ɗaya daga cikin manufofin shirin bincike na asali ba.Babban binciken Janine ya mayar da hankali ne kan haɓaka hanyoyin da za a magance zaizayar teku: ya nazarci yadda ma'adinan lemun tsami da aka binne a cikin ragamar waya a saman tekun na iya zama wani nau'in siminti na halitta, yana taimakawa wajen daidaita ajiya a ƙarƙashin dykes ko a bakin rairayin bakin teku.
Jannin ya fara wani aiki a New Caledonia don sanin ko hanyar sadarwar za ta iya ɗaukar isassun gurɓataccen ƙarfe don taimakawa nazarin tarihin gurɓataccen nickel."Amma lokacin da muka gano cewa za mu iya kama babban adadin nickel, mun fara tunanin yiwuwar aikace-aikacen masana'antu," in ji shi.
Hanyar ba kawai ta kawar da nickel ba, har ma da tarin sauran karafa, in ji masanin kimiyyar muhalli Christine Orians na Jami'ar British Columbia a Vancouver."Haɗin kai ba ya da zaɓe sosai," in ji ta Chemistry World."Ban sani ba ko zai yi tasiri wajen cire isassun karafa masu guba ba tare da cire wasu karafa masu amfani kamar ƙarfe ba."
Jeanning, duk da haka, bai damu ba cewa tsarin, idan aka yi amfani da shi a kan babban sikelin, zai kawar da ma'adanai masu mahimmanci daga cikin teku.A cikin gwaje-gwajen da suka kawar da kashi 3 cikin dari na calcium da kashi 0.4 na magnesium daga cikin ruwa, sinadarin baƙin ƙarfe a cikin teku yana da yawa don rashin tasiri sosai, in ji shi.
Musamman, Jeannin ya ba da shawarar cewa za a iya tura irin wannan tsarin a manyan wuraren asarar nickel kamar tashar jiragen ruwa na Noumea don taimakawa rage yawan adadin kuzari.nickelyana ƙarewa a cikin teku.Ba ya buƙatar sarrafawa da yawa kuma ana iya haɗa shi da hanyoyin samar da makamashi mai sabuntawa kamar fafukan hasken rana.Nickel da sauran gurɓataccen gurɓataccen abu da aka kama a sikelin ana iya dawo dasu kuma a sake yin fa'ida.
Jeanning ya ce shi da abokan aikinsa suna aiki tare da kamfanoni a Faransa da New Caledonia don haɓaka aikin gwaji don taimakawa wajen sanin ko za a iya tura tsarin a ma'aunin masana'antu.
© Royal Society of Chemistry document.write(sabuwar Kwanan wata().getFullYear());Lambar rajistar sadaka: 207890