Hukumar lafiya ta duniya ta kiyasta cewa sama da mutane miliyan 785 ba su da tsaftataccen ruwan sha.Duk da cewa kashi 71% na saman duniya ruwan teku ne ya rufe, ba za mu iya shan ruwan ba.
Masana kimiyya a duniya sun yi aiki tukuru don nemo hanyar da za ta kawar da ruwan teku da rahusa.Yanzu, ƙungiyar masana kimiyyar Koriya ta Kudu mai yiwuwa sun sami hanyar tsarkake ruwan teku cikin 'yan mintoci kaɗan.
Ruwan da ake buƙata don ayyukan ɗan adam kawai ya kai kashi 2.5% na yawan albarkatun ruwa da ake da su a duniya.Sauyin yanayi ya haifar da sauye-sauye na hazo da bushewar koguna, lamarin da ya sa kasashe suka bayyana karancin ruwa a karon farko a tarihinsu.Ba abin mamaki ba ne cewa tsaftacewa shine hanya mafi sauƙi don magance wannan matsala.Amma waɗannan hanyoyin suna da nasu iyakoki.
Lokacin amfani da membrane don tace ruwan teku, membrane dole ne ya bushe na dogon lokaci.Idan membrane ya zama rigar, tsarin tacewa zai zama mara amfani kuma ya ba da damar gishiri mai yawa don wucewa ta cikin membrane.Don aiki na dogon lokaci, ana lura da jiko a hankali na membrane, wanda za'a iya warware shi ta maye gurbin membrane.
Lokacin amfani da membrane don tace ruwan teku, membrane dole ne ya bushe na dogon lokaci.Idan membrane ya zama rigar, tsarin tacewa zai zama mara amfani kuma ya ba da damar gishiri mai yawa don wucewa ta cikin membrane.Don aiki na dogon lokaci, ana lura da jiko a hankali na membrane, wanda za'a iya warware shi ta maye gurbin membrane.
Halin hydrophobicity na membrane yana taimakawa saboda ƙirarsa baya barin kwayoyin ruwa su wuce.
Madadin haka, ana amfani da bambancin zafin jiki a bangarorin biyu na fim ɗin don fitar da ruwa daga wannan ƙarshen zuwa tururin ruwa.Wannan membrane yana ba da damar tururin ruwa ya wuce sannan kuma ya takure zuwa gefen mai sanyaya.Da ake kira membrane distillation, wannan hanya ce da aka saba amfani da ita don kawar da salin.Tun da ƙwayoyin gishiri ba su canza zuwa yanayin gas ba, an bar su a gefe ɗaya na membrane, suna samar da ruwa mai tsabta a gefe guda.
Masu bincike na Koriya ta Kudu sun kuma yi amfani da silica airgel wajen kera membrane, wanda ke kara habaka kwararar tururin ruwa ta cikin membrane, wanda ke haifar da saurin samun ruwan da ba a so.Tawagar ta gwada fasahar su tsawon kwanaki 30 a jere kuma sun gano cewa membrane na iya ci gaba da tace kashi 99.9% na gishiri.
Madadin haka, ana amfani da bambancin zafin jiki a bangarorin biyu na fim ɗin don fitar da ruwa daga wannan ƙarshen zuwa tururin ruwa.Wannan membrane yana ba da damar tururin ruwa ya wuce sannan kuma ya takure zuwa gefen mai sanyaya.Da ake kira membrane distillation, wannan hanya ce da aka saba amfani da ita don kawar da salin.Tun da ƙwayoyin gishiri ba su canza zuwa yanayin gas ba, an bar su a gefe ɗaya na membrane, suna samar da ruwa mai tsabta a gefe guda.
Masu bincike na Koriya ta Kudu sun kuma yi amfani da silica airgel wajen kera membrane, wanda ke kara habaka kwararar tururin ruwa ta cikin membrane, wanda ke haifar da saurin samun ruwan da ba a so.Tawagar ta gwada fasahar su tsawon kwanaki 30 a jere kuma sun gano cewa membrane na iya ci gaba da tace kashi 99.9% na gishiri.
Lokacin aikawa: Jul-09-2021