Kufunyenwe iintshulube ezinesiphene seplastiki

Iintsimbi ze-Wax ziyakwazi ukuthoba isidima seplastiki

Iiplastiki ziyingxaki enkulu kwihlabathi liphela. Sivelisa iitoni ezininzi zeplastikhi ngemini kwihlabathi liphela kangangokuba asinakho nokuyibala kakuhle. Uninzi lweplastikhi emhlabeni alusetyenziswanga ukuba lusetyenziswe kwakhona okanye lusetyenziswe kwakhona, ke luba yingxaki yenkunkuma, okoko ukuthotywa kwayo phantse kungabikho. Ubomi beplastikhi ngamawaka eminyaka ukwehla.

Ewe, sijamelene nale ngxaki yenani elikhulu kangaka lokuveliswa kwenkunkuma yeplastiki, kufuneka sijonge isisombululo esinokubakho sendalo ngangokunokwenzeka. Isimangazile into yokuba izazinzulu zifumanise ukuba uhlobo lwesibungu esiye safuywa ukuba sisebenze ekulobeni, Iyakwazi ukuthoba isidima se-polyethylene equlethwe kwiiplastiki. Ngaba sinokusebenzisa iimopane ukuthotywa iplastiki?

Umbungu otya iplastiki

izigidi zeetoni zenkunkuma zeplastiki ziveliswa nyaka ngamnye

Izigidi zeetoni zeplastiki ziveliswa emhlabeni yonke imihla kwaye yinxalenye enkulu yazo esiyisebenzisa kwiingxowa zokuthenga nakwezinye. Le plastiki yenziwe nge-polyethylene. Imopane esithetha ngayo ziintshulube ze-wax (kwigama labo lobunzululwazi IGalleria mellonella) ihlala ihlala kwimingxunya yeenyosi njengesidleleli. Amanundu azalela amaqanda ngaphakathi kwimingxunya ukuze asebenzise ithuba lokuzikhusela kwii-arhente zokusingqongileyo kunye nezinye izilwanyana, kwaye iintshulube ziyaphuma kwinyosi.

Enkosi kwizifundo ezahlukeneyo zokufuya iinyosi, le nyani ifunyenwe. Njengezinto ezininzi kwisayensi, zifunyanwa ngamabona-ndenzile okanye ngokukhangela enye inkcazo. Kule meko, UFederica Bertocchini, umfuyi weenyosi ongahlawulwayo, wafumanisa ukuba, emva kokucoca iikama zakhe, wazisa ezinye zeentshulube ze-wax awayezifumana ezingxoweni zeplastiki. Emva kwethutyana wabona ukuba iingxowa awayefake kuzo iintshulube zazinemingxunya emininzi.

Uvavanyo lwe-Biodegradation

Umbungu utya iplastiki

Nje ukuba kufunyenwe oku, iimvavanyo zaqala. Kwaye kukufumana into ephilayo ethoba isidima seplastiki kungaluncedo ekulweni nale nkunkuma. Uvavanyo olwenziwe kwakufuneka lubeke ngeenxa zonke ikhulu leentshulube eplastikini kwaye bajonge into abayenzileyo. Emva kwemizuzu emashumi mane, imingxunya yaqala ukuvela engxoweni. Emva kweeyure ezili-12 Ubunzima besihlanu ebhegini buphelile.

Ndiyabulela kule nto, izazinzulu ziye zangqina ukuba ezi ntshulube ze-wax zibonisiwe ukuba zinelona zinga liphezulu leplastikhi yezinto eziphilayo ezakhe zafunyanwa ukuza kuthi ga ngoku. Ezinye iibhaktheriya ezisebenzisa iplastiki njengokutya ziye zafunyanwa, kodwa hayi ngeli nqanaba le-biodegradation, kuba kwathatha ibhaktheriya ukususa i-0,13 mg yeplastiki kwiiyure ezingama-24. Kule meko sithetha ngeentshulube Banokususa i-1.8 yeplastiki kwiiyure ezingama-24.

Izixhobo zokufumana

Iintshulube ze-wax kwindlwana yakhe

Izazinzulu ziqala ukucinga malunga nokuba zenze ntoni ngale nto njengoko inokuba luncedo ekulweni iiplastikhi kwiitiphu kunye neelwandle. Indlela abanokuyisebenzisa ukukhuthaza oku iya kuba kukuvelisa kwakhona ubukhulu becala i-enzyme enoxanduva lokuthotywa kweplastiki.

Sithetha ngento yokuba i-polyethylene engxoweni yeplastiki iyahambelana I-40% yokusetyenziswa kweplastiki kulo lonke elaseSpain, Ekuthetheni apho emhlabeni asithethi nokuthetha: malunga neetriliyoni zeeplastikhi zityiwa minyaka le. Kungenxa yoko le nto ukuba le enzyme ithoba isidima seplastiki iveliswe kwakhona, inokunciphisa iingxaki zenkunkuma yeplastiki.

Inkcazo enikwe zizazinzulu kwinyani yokuba iintshulube zinokuthotywa iplastikhi kukuba iinyosi zineepolymer ezinezakhiwo ezifana nezo zepolyethylene. Ngolu bhaqo siza kuzama ukufumana indlela esebenzayo yokulahla yonke inkunkuma yeplastiki emhlabeni.

Njengoko ubona, indalo inokuphinda icoceke ngeendlela zayo kwaye, kule meko, inokucoca nazo zonke iindawo ezizele ziiplastiki.


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