Mmepe na Ngwa nke Plastics Biodegradable

Nkọwa nke plastik biodegradable, ọ bụ ịkọwapụta na okike, dị ka ala, ájá, gburugburu mmiri, gburugburu mmiri, ọnọdụ ụfọdụ dị ka composting na ọnọdụ mgbaze anaerobic, mmebi nke ihe microbial kpatara ịdị adị nke okike, na n'ikpeazụ. ekewa n'ime carbon dioxide (CO2) na/ma ọ bụ methane (CH4), mmiri (H2O) na mineralization nke ihe nwere mmewere nnu inorganic nnu, na ọhụrụ biomass (dị ka ahụ nke microorganisms, wdg) nke rọba.

Ntụle nke ọtụtụ plastik biodegradable nkịtị

Nrụpụta na nkesa plastik biodegradable

Dabere na data ọhụrụ nke European Bioplastics Association wepụtara na Septemba 2019, dị ka nke Septemba 2019, ikike imepụta plastik kwa afọ zuru ụwa ọnụ bụ.2144,000 tọn;

PLA (polylactic acid).628,000 tọn, aza ajụjụ maka29.3%;

PBAT (polyadipic acid/butylene terephthalate) bụ606,800 tọn, aza ajụjụ maka28.3%;

rọba nwere ike imebi starch bụ96.27 tọn, aza ajụjụ maka44.9%nke ike plastic biodegradable zuru ụwa ọnụ.

Nkesa ike plastik biodegradable zuru ụwa ọnụ na 2019

(Nkeji:%)

Ọchịchọ ala ụwa niile maka plastik biodegradable na 2019

(Nkeji:%)

Ọnọdụ biodegradad

Nbibi ala

PBAT, PHA, PCL na PBS nwere ike wedata kpamkpam mgbe ọnwa 5 gachara.

Ọnụego mbelata nke ihe PLA na-adị nwayọ, naanị 0.23% kwa afọ.

Enwere ike imebi PLA na PKAT kpamkpam n'ihe dị ka ọkara afọ ka agwakọtachara.

Mbibi mmiri

PHA na PKAT nwere ike kpamkpam degraded na 30 ~ 60 ụbọchị n'okpuru simulated oké osimiri ọnọdụ nke 25 ℃ ± 3℃.