Ogologo oge ọ na-ewe maka decomposition nke plastic?

Mgbe ị na mmadụ na mberede tụlee a karama nke tomato kechoopu n'ala, ị uche na-ekele ndị emeputa maka plastic nkwakọ. Na mmepụta nke ọtụtụ containers, iko na karama-eji polyethylene terephthalate, ma ọ bụ PITA. Nke a ihe, nke na-fọrọ ebibi.

Ma mgbe oge na-abịa pụrụ nke otu karama a landfill, eleghị anya, ị ga-eleta ndị ọzọ echiche. Ugbu a ekele emepụta dochie ihere maka àgwà ha. Mgbe nile anyị na-azụta plastic akpa na mgbe otutu ha. Otú ọ dị, akwa mere mmanụ dabeere (dị ka PITA), ọ na-abụghị rere site ụkpụrụ nke organic bekee.

Gịnị bụ biodegradation?

Dịtụ ngwa ngwa na ala kpamkpam rụrụ arụ osisi, ahịhịa, na nri n'efu. Biodegradation - mere bụ usoro na mgbari mgbagwoju bekee ka a N'ihi ọrụ nke ndu eme ntule (eg earthworms na bacteria). Almost microorganisms gbanwee organic ihe (akwụkwọ, kaadiboodu, ata, foduru nke mkpụrụ osisi na akwụkwọ nri) na ndị ọzọ bara uru ogige adabara rụọ ala ọmụmụ.

Ọmụmụ ihe dị ndụ na ihe ize ndụ

Otú ọ dị, ọ dịghị bacteria ma ọ bụ ikpuru achọghị obibi plastic. I nwere ike ime ihe nnwale a compost olulu ubi ibé. Na otu aka, ibu ndị a obere gluttons organic ihe, na ndị ọzọ rijuru afọ plastic akpa na karama. Echefukwala ọma mmiri, ma na-emechi ala. Lelee ọnọdụ nke compost olulu n'oge okpomọkụ, na otu aka ị ga-ahụ crumbly humus. N'aka nke ọzọ, gị "onyinye" ga-anọgide na-akpatụbeghị aka. The decomposition nke plastic na nke kacha mma ikpe ga-eme ka afọ 200.

Emepe Danielya Berda

N'ezie, nke a abụghị ọgwụgwụ nke akụkọ ntolite. Na-adịbeghị anya, ụfọdụ dị ịrịba ama nchoputa a kọrọ na ndị ọkà mmụta sayensị. Ka ihe atụ, Daniel Burd, a akwụkwọ na Mahadum nke Waterloo, egosiwo na ụdị ụfọdụ nke bacteria pụrụ ịkwụsị ihe plastic. Ya research natara isi na-agbata n'ọsọ na Canada-n'obosara Science Fair, nke mere na-eto eto ọkà mmụta sayensị 10 puku dollar na ego na 20 puku dollar na mfọn.

Prootsess photoaging

Na mgbe ndị ọzọ na-eme nnyocha replicated na nnwale Bird na-eche maka results, ka anyị chọpụta ndị ọzọ kwere omume ụzọ nke plastic decomposition. The naanị kwere omume, ụzọ ka na-amalite irekasị ihe a nwere ike na-ewere a usoro nke photoaging, nke na-achọ a otutu ìhè anyanwụ, ma ọ bụghị bacteria. Mgbe UV ụzarị banye n'ime n'ime plastic, ha na-agbaji nkekọ nke jide yinye ọnụ ogologo polima. Ọ ga-ewe a otutu oge, ma mgbe a nnukwu ibé plastic ga-ada iche n'ime ọtụtụ obere ọcha.

Ịchọta a ngwọta nke nsogbu

Landfills jupụtara ngwaahịa mere si polyethylene terephthalate, ma ọtụtụ n'ime ha na-ntukwasi-obi-ezo site na anyanwụ. E nwere ihe ọzọ version nke mgbalị nke plastic decomposition, nke bụ eleghi anya na-amasị nchekwa gburugburu ebe obibi. Oké osimiri banye a ton nke n'efu na mmiri na-akwalite penetration nke ultraviolet ụzarị n'ime ogbu. Eme nchọpụta na Nihon University (Japan), kwubiri na 2007 na plastic na-mikpuru na-ekpo ọkụ na oké osimiri mmiri, a afọ mgbe e mesịrị na-amalite ida ya Ọdịdị.

Oké osimiri dị ka a mkpofu dump

Ị ga-achọpụta ihe ọjọọ ọ bụla ruo mgbe i na-eche banyere mmiri. Na ndị a microscopic iberibe plastic zoro ezo decomposing nsi. Mgbe ndị a nsí tinye eriri afọ nke anụmanụ, ha nwere ike ime ka ọnwụ nke mmiri. Ma tides otutu rere ere iberibe plastic na oké osimiri osimiri. Ezumike na-eche echiche na ha na-aga na-na oké osimiri mgbake, ma na-enweta a igbu ha ike.

Olee otú m pụrụ dozie nsogbu a?

Otu ụzọ iji gbochie ndu ọdachi bụ ojiji nke ere ure plastic. Ugbu a n'okpuru development nri nchịkọta nke ọka na polylactic acid nke erekasịchaala n'ime carbon dioxide na mmiri karịrị otu oge nke 50 na 90 ụbọchị.