An gano kayayyakin gilashin da yawa a yankunan yammacin kasar Sin na zamanin da, kimanin shekaru 2,000, kuma kayayyakin gilashin da suka fi tsufa a duniya sun kai shekaru 4,000.A cewar masana ilimin kimiya na kayan tarihi, kwalaben gilashin shine mafi kyawun kayan tarihi da aka adana a duniya, kuma ba ya lalacewa cikin sauƙi.Masana kimiyya sun ce gilashi ita ce tagwayen yashi, kuma idan dai yashi yana kan ƙasa, gilashin yana kan ƙasa.
Komai zai iya lalata kwalban gilashi, ba yana nufin cewa kwalbar gilashin ba ta da ƙarfi a cikin yanayi.Ko da yake ba za a iya lalata shi ta hanyar sinadarai ba, ana iya "lalata" ta jiki.Iska da ruwa na yanayi su ne mafi girman cutar.
A Fort Bragg, California, Amurka, akwai bakin teku mai launi.Lokacin da kuka shiga, za ku ga cewa ya ƙunshi ƙwallaye kala-kala marasa adadi.Wadannan pellets ba duwatsu ba ne a yanayi, amma kwalabe na gilashin da mutane ke watsawa.A cikin 1950s, an yi amfani da shi azaman wurin zubar da shara don kwalaben gilashin da aka jefar, sa'an nan kuma an rufe shukar, inda aka bar dubun dubatar kwalaben gilashi, bayan shekaru 60, ruwan tekun Pasifik ya goge su. santsi da zagaye.
A cikin fiye da shekaru 100 ko fiye, bakin tekun yashi na gilashin zai bace, in ji masana kimiyya.Domin ruwan teku da iskan teku suna shafa saman gilashin, bayan wani lokaci, gilashin sai a goge shi da sigar barbashi, daga nan sai ruwan teku ya shigo da shi cikin teku, sannan daga karshe ya nutse a karkashin tekun.
rairayin bakin teku mai ban mamaki yana kawo mana jin daɗin gani ba kawai ba, har ma yana haifar da tunanin yadda ake sake sarrafa kayayyakin gilashi.
Domin hana sharar gilashin gurbata muhalli, yawanci muna ɗaukar hanyoyin sake amfani da su.Kamar karfen da aka sake yin fa'ida, gilashin da aka sake yin fa'ida ana mayar da shi cikin tanderun don a sake narkar da shi.Tun da gilashin cakude ne kuma ba shi da tsayayyen wurin narkewa, an saita tanderun zuwa nau'ikan zafin jiki daban-daban, kuma kowane sashe zai narke gilashin nau'ikan abubuwa daban-daban kuma ya raba su.A kan hanya, ana iya cire ƙazanta maras so ta hanyar ƙara wasu sinadarai.
An fara sake yin amfani da kayayyakin gilashin a cikin ƙasata a makare, kuma yawan amfanin da aka yi amfani da shi ya kai kusan kashi 13%, baya ga ƙasashen da suka ci gaba a Turai da Amurka.Masana'antu masu dacewa a cikin ƙasashen da aka ambata a sama sun zama balagagge, kuma fasahar sake yin amfani da su da ƙa'idodi sun cancanci tunani da koyo a ƙasata.
Lokacin aikawa: Mayu-12-2022