Vagadziri vebiopolymers (polylactide) uye mapurasitiki anogona kugadzirwa vachakwanisa kunyorera matanho ekutsigira pasi pechirongwa chehurumende chekusimudzira kurima. Odha iyi yakasainwa neMutungamiriri Mikhail Mishustin.
Ikozvino kuwana biodegradable zvinhu zvinogoneka nekudzika kwakadzika kwezvinhu zvekurima, zvinosanganisira gorosi, shuga beet, uye chibage. Makambani anoita izvi achave nekuwana, kusanganisira kune zvakasarudzwa zvikwereti zvekudyara. Vanopihwa pamwero unosvika 5% pagore kwenguva yemakore maviri kusvika gumi nemashanu.
Kuti ive nechokwadi chekugona uku, rondedzero yezvigadzirwa zvekugadzirwa kweiyo nyika rutsigiro inopihwa yakawedzerwa nehuwandu hwezvinhu. Pakati pavo pane ethylene polymers uye polyacetals.
Sarudzo iyi ichabatsira kuwedzera kugadzirwa kwemabiopolymers uye biodegradable plastiki, kuderedza kutsamira pazvinhu zvakafanana zvekunze uye kushanda kuchengetedza nharaunda, hurumende inonyora.
Nenzira, munguva ichangopfuura masayendisiti kubva kuIndia neRussia vakagadzira firimu yezvokudya inonyungudika mumvura, iyo inobva pane polymer kubva kugungwa - sodium alginate. Chigadzirwa chacho chinonyungudika mumvura neinenge 24% mumaawa makumi maviri nemana, uye izvo zvechisikigo zvinoumbwa nazvo zvakachengeteka kune hutano uye zvinodyiwa. Firimu yakadaro inogona kushandiswa kurongedza michero, miriwo, huku, nyama uye hove.
Masayendisiti akasimbisa kuti kugadzirwa kwemhando nyowani yefirimu hakudi midziyo yakakosha: inogona kugadzirwa pachiyero cheindasitiri nevagadziri vemafirimu.
"Chimiro chete ndechekuti chirimwa chekugadzira polymer chinofanirwa kutevedzera zviyero zvinoshanda pakugadzirwa kwechikafu. Uye kana gungwa riri pedyo, iro risingaperi sosi yealgae, zvino zvichave nyore kugadzira zvigadzirwa zvitsva, "akatsanangura Grigory Zyryanov, purofesa paUral Federal University Dhipatimendi reOrganic uye Biomolecular Chemistry.