Nchịkọta plastik (maka nkwakọ ngwaahịa nri & ihe ọṅụṅụ): kedu ihe ha pụtara nye ahụike anyị?
Plastics nwere ike ịbụ ihe na-akpachapụ anya n'oge a. Ọ na-enye usoro uru dị egwu na-enyere anyị aka kwa ụbọchị. A na-ejikwa plastik n'ọtụtụ ụdị nri & nkwakọ ihe ọṅụṅụ. Ha na-enyere aka ichebe ihe oriri site na mmebi. Ma ị maara nke ọma banyere ọdịiche nke plastik? Gịnị ka ha pụtara nye ahụ́ ike anyị?
● Kedu ụdị plastik dị iche iche a na-eji eme ihe oriri na ihe ọṅụṅụ?
O nwere ike ịbụ na ị hụla nọmba 1 ruo 7 na ala ma ọ bụ akụkụ nke akpa nkwakọ ngwaahịa rọba. Nọmba a bụ rọba “koodu njirimara resin,” nke a makwaara dị ka “nọmba nrụpụta.” Nọmba a nwekwara ike ịnye ntụzịaka maka ndị na-azụ ahịa chọrọ ịmegharị arịa rọba.
● Gịnị ka nọmba na rọba pụtara?
Koodu njirimara resin ma ọ bụ nọmba imegharị ihe na rọba na-achọpụta ụdị rọba. N'ebe a, anyị ga-achọ ịkesa ozi ndị ọzọ gbasara plastik a na-ejikarị eme ihe na nri & ihe ọṅụṅụ, dị na Society of Plastics Engineers (SPE) na Plastics Industry Association (PIA):
PETE ma ọ bụ PET (nọmba imegharị ihe 1 / Koodu NJ Resin 1
HDPE (nọmba imegharị ihe 2 / Koodu NJ Resin 2)
PVC (nọmba imegharị ihe 3 / Koodu NJ Resin 3)
LDPE (nọmba imegharị ihe 4 / Koodu NJ Resin 4)
PP (nọmba imegharị ihe 5 / Koodu NJ Resin 5)
PS (nọmba imegharịgharị 6 / Koodu NJ Resin 6)
Ndị ọzọ ma ọ bụ O (nọmba imegharị 7 / Koodu NJ Resin 7)
Ndị a bụ ụdị plastik a na-ahụkarị nke anyị na-ezute. O doro anya na nke a bụ ozi bụ isi na isiokwu mmadụ nwere ike iji ọnwa mee nyocha. Plastic bụ ihe dị mgbagwoju anya, dịka mmepụta ya, nkesa na oriri ya. Anyị na-agba gị ume ka imikpu n'ime omimi ka ị ghọta ihe mgbagwoju anya ndị a niile, dị ka ihe eji eme rọba, imegharị ihe, ihe egwu ahụike na ihe ndị ọzọ, gụnyere uru na ọghọm nke bioplastics.
Oge nzipu: Nov-12-2021