Wɔ nnɛyi wiase yi mu no, nneɛma a atwa yɛn ho ahyia ho adwene abɛyɛ ade a ɛkanyan adetɔfo ma wɔpaw nneɛma ne aguadi mu nneyɛe. Sɛ́ obi a ɔde PBT aduru a wɔde kyekyere nneɛma ho ma no, wɔtaa bisa me sɛnea saa nneɛma yi yɛ eco - adamfofa ho. Wɔ saa blog yi mu no, mɛhwehwɛ PBT aduru a wɔde kyekyere nneɛma ho no afã horow mu akɔ akyiri ahwɛ sɛ ebia wobetumi abu no sɛ ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia ho asɛm anaa.
Dɛn ne PBT Bandages?
PBT, anaa polybutylene terephthalate, yɛ aduru a wɔde yɛ aduru a ɛma ɔhyew a anya kwan wɔ nnuruyɛ mu nneɛma pii mu, a aduru a wɔde kyekyere nipadua no ka ho. Wonim PBT aduru a wɔde kyekyere wɔn ho sɛ ɛyɛ den, ɛyɛ mmerɛw, na ɛko tia nsu ne nnuru. Wɔtaa de di dwuma wɔ aduruyɛ mu de kyekyere kuru, de boa nipadua no akwaa a apira, na wɔ tebea horow bi mu no, wɔde ma obi ntumi nkɔ baabiara.
Nneɛma a Wɔhwehwɛ ne Nea Wɔyɛ
Anamɔn a edi kan a wɔde hwɛ sɛnea PBT aduru a wɔde kyekyere nneɛma ho no yɛ eco - adamfofa ne sɛ wɔbɛhwɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma no fibea ne sɛnea wɔyɛ no. PBT yɛ polymer a wɔde yɛ nneɛma a wonya fi petrochemicals mu. Petrochemicals a wɔyi ne ne yɛ ho adwuma yɛ ahoɔden - nneɛma a ɛgye ahoɔden a ɛtumi nya nneɛma a atwa yɛn ho ahyia so nkɛntɛnsoɔ kɛseɛ. Petrol a wotu, ɔkwan a wɔfa so yiyi mu, ne nneɛma a wɔde yɛ adwuma no nyinaa boa ma mframa a ɛma wim yɛ hyew ne efĩ afoforo ba.
Nanso, wɔn a wɔyɛ nneɛma no binom reyɛ nneɛma bi de atew nneɛma a atwa yɛn ho ahyia a PBT yɛ no so. Sɛ nhwɛsoɔ no, wɔbɛtumi de ahoɔden - nneɛma a wɔyɛ no yie adi dwuma anaasɛ wɔbɛnya wɔn nneɛma a wɔde yɛ adwuma no afiri wɔn a wɔde nneɛma ma a wɔdi nneyɛeɛ a ɛbɛtena hɔ daa so. Bio nso, wɔreyɛ nhwehwɛmu de ayɛ bio - a egyina bio - so akwan foforo a wɔfa so de si atetesɛm PBT ananmu, a ebetumi atew ahotoso a wɔde to fossil fuel so no so.
Nkwammoaa a wɔsɛe no
Nneɛma titiriw biako a ɛkyerɛ sɛnea ade bi yɛ eco - adamfofa ne sɛnea ɛtumi sɛe bio. Nea ɛyɛ awerɛhow no, PBT ntumi sɛe ntɛm. Wɔ baabi a wɔtow nneɛma gu no, PBT aduru a wɔde kyekyere nneɛma ho no betumi agye mfe ɔhaha pii ansa na asɛe, na ɛde plastic nwura ho haw a ɛrenya nkɔanim no ba. Saa biodegradability a enni hɔ yi yɛ sintɔ kɛse bere a ɛfa nkɛntɛnso a PBT aduru a wɔde kyekyere nneɛma ho no nya nneɛma a atwa yɛn ho ahyia so no.
Nanso, mmɔdenbɔ a ɛkɔ so wɔ hɔ sɛ wɔbɛyɛ nnuru foforo a ɛtumi sɛe nneɛma a nkwa wom anaasɛ wɔbɛma PBT a wɔsan de di dwuma no atu mpɔn. Nnwumakuw binom rehwehwɛ sɛnea wɔde nneɛma a wɔde ka ho a ebetumi ama PBT asɛe no ayɛ kɛse, anaasɛ wɔreyɛ adwuma de ayɛ mfiridwuma a wɔde san de di dwuma bio a ebetumi adan PBT aduru a wɔde kyekyere nneɛma a wɔde adi dwuma no ayɛ nneɛma foforo. Sɛ wopɛ nhwehwɛmu a aba foforo wɔ saa beae yi ho nsɛm pii a, wubetumi akɔ hɔ4-sɔhwɛdfgsdfg.
Ahoɔden a Wɔde Di Dwuma ne Nneɛma a Wɔtow Gu
PBT aduru a wɔde kyekyere nneɛma ho no hwehwɛ ahoɔden kɛse. Efi nneɛma a wɔde yɛ nneɛma a woyi so kosi sɛnea wɔyɛ ne nea wɔde fa so so no, wɔde ahoɔden di dwuma wɔ ɔfã biara mu. Saa ahoɔden a wɔde di dwuma yi taa ma mframa a ɛma wim yɛ hyew fi wim, na ɛno na ɛma wim nsakrae ba.
Nea ɛbɛyɛ na wɔabrɛ nneɛma a atwa yɛn ho ahyia yi ase no, wɔn a wɔyɛ PBT aduru a wɔde kyekyere nneɛma ho no binom de sika reto ahoɔden a wɔyɛ no foforo mu ama wɔn mmeae a wɔyɛ nneɛma no. Owia ahoɔden mfiri, mframa a wɔde yɛ adwuma, ne ahoɔden foforo a ɛho tew betumi aboa ma mframa bɔne a ɛba wɔ nneɛma a wɔyɛ no mu no so atew. Bio nso, nkɔso a ɛba wɔ nneɛma a wɔyɛ no yiye mu nso betumi ama ahoɔden a wɔde di dwuma ne mframa a wɔtow gu no so atew.
Nneɛma a Wɔtow Gu ne Nea Wɔsan De Di Dwuma
Sɛnea yɛadi kan aka no, PBT aduru a wɔde kyekyere nneɛma ho a ɛnyɛ - biodegradability no yɛ asɛnnennen bere a ɛfa sɛnea wɔtow gu ho no. Mpɛn pii no, nnuru a wɔde kyekyere nneɛma ho a wɔde adi dwuma no kowie mmeae a wɔtow nneɛma gu, baabi a egye baabi na ɛboa ma nneɛma a atwa yɛn ho ahyia no ho fĩ. Nanso, nhyehyɛe ahorow bi a wɔde yɛ nneɛma a wɔde di dwuma bio reba wɔ nnuruyɛ mu.
PBT aduru a wɔde kyekyere nneɛma ho a wɔbɛsan de adi dwuma no betumi ayɛ adeyɛ a ɛyɛ den, efisɛ mpɛn pii no nneɛma afoforo te sɛ nneɛma a wɔde nkata so ne nneɛma a wɔde ka ho na ɛwom. Nanso, sɛ wɔde mfiridwuma ne nneɛma a ɛfata di dwuma a, wobetumi asan de PBT aduru a wɔde kyekyere nneɛma ho ayɛ nneɛma foforo. Nnwumakuw binom reyɛ nhyehyɛe ahorow a wɔde bɛsan de nneɛma a wɔde kyekyere nneɛma ho a wobetumi aboaboa nnuru a wɔde kyekyere nneɛma ho ano na wɔayɛ ho adwuma, na wɔadan no nneɛma a wɔde yɛ nnuru foforo anaa plastic nneɛma afoforo.
Asetra mu Kyinhyia Nhwehwɛmu
Asetra mu nhwehwɛmu a edi mũ (LCA) ho hia na ama wɔate nkɛntɛnso a PBT aduru a wɔde kyekyere nneɛma a atwa yɛn ho ahyia so no ase yiye. LCA susuw ade bi nkwa nna nyinaa ho, efi nneɛma a wɔde yɛ adwuma a woyi so kosi nea wɔtow gu so. Ɛsusuw nneɛma te sɛ ahoɔden a wɔde di dwuma, nsu a wɔde di dwuma, mframa a wɔtow gu, ne nwura a wɔsɛe no ho.
Sɛ wogyina mprempren nhwehwɛmu so a, nkɛntɛnso a PBT aduru a wɔde kyekyere nneɛma ho nya wɔ nneɛma a atwa yɛn ho ahyia so no yɛ bag a wɔadi afra. Bere a PBT aduru a wɔde kyekyere nneɛma ho a wɔyɛ ne nea wɔtow gu no wɔ nneɛma a atwa yɛn ho ahyia ho sintɔ kɛse no, hokwan ahorow nso wɔ hɔ a ɛbɛma wɔanya nkɔso. Ɛdenam adwene a wɔde besi nneɛma a wobenya a ɛbɛkɔ so atra hɔ daa, ahoɔden - a wɔde yɛ nneɛma a etu mpɔn, ne nneɛma a wɔsan de di dwuma bio so no, wobetumi atew nneɛma a atwa yɛn ho ahyia a PBT aduru a wɔde kyekyere nneɛma ho no so.
Sɛ Wɔde Toto Nneɛma Afoforo a Wɔde Bɛkyekyere Ho
Sɛ woresusuw PBT aduru a wɔde kyekyere nneɛma ho no eco - adamfofa ho a, ɛho hia sɛ wode toto nneɛma afoforo a wɔde kyekyere nneɛma ho. Sɛ nhwɛso no, kotoku a wɔde kyekyere nneɛma ho yɛ ade foforo a efi abɔde mu na ɛtumi sɛe. Nanso, kotoku a wɔyɛ no hwehwɛ sɛ wɔde nsu ne nnuru a ekum mmoawa pii di dwuma, na ɛno nso betumi aka nneɛma a atwa yɛn ho ahyia kɛse.
Ebia nneɛma a wɔde yɛ nneɛma te sɛ PBT bɛma mfaso aba wɔ sɛnea ɛtra hɔ kyɛ ne sɛnea ɛyɛ adwuma no mu, nanso ɛde nneɛma a atwa yɛn ho ahyia ho nsɛnnennen nso ba. Wɔ tebea horow bi mu no, ebia nneɛma ahorow a wɔde ka bom bɛyɛ ano aduru a ɛtra hɔ daa sen biara. Sɛ nhwɛso no, aduru a wɔde kyekyere nipadua no a wɔde akyi ade a ɛtumi sɛe ne PBT mu ade di dwuma de nya ahoɔden ne mmoa betumi ama wiase abien no nyinaa mu nea eye sen biara ama.
Awie
Sɛ yɛde rewie a, asɛmmisa a ɛfa sɛ ebia PBT aduru a wɔde kyekyere nneɛma ho no yɛ eco - adamfofa no nyɛ asɛm a ɛyɛ tẽẽ. Bere a wɔwɔ nneɛma a atwa yɛn ho ahyia ho sintɔ ahorow bi, te sɛ nea ɛnyɛ - biodegradability ne ahoɔden a wɔde di dwuma kɛse bere a wɔreyɛ no, hokwan ahorow nso wɔ hɔ a ɛbɛma wɔatu mpɔn. Sɛ́ obi a ɔde PBT aduru a wɔde kyekyere nipadua no ho ma no, masi me bo sɛ mɛyɛ adwuma de ayɛ nneyɛe a ɛbɛkɔ so atra hɔ daa.
Yɛrehwehwɛ akwan a yɛbɛfa so atew nkɛntɛnso a yɛn nneɛma no nya wɔ nneɛma a atwa yɛn ho ahyia so bere nyinaa, efi nneɛma a wɔde yɛ nneɛma a ɛbɛkɔ so atra hɔ daa a yebenya so kosi sika a yɛde bɛto mfiridwuma a wɔde di dwuma bio mu so. Yɛgye di sɛ sɛ yɛtu saa anammɔn yi a, yɛbɛtumi ama PBT aduru a wɔde kyekyere nneɛma ho ayɛ adeɛ a ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia wɔ aduruyɛ adwumayɛ mu.
Sɛ w’ani gye ho sɛ wubehu yɛn PBT aduru a wɔde kyekyere nneɛma ho no ho ade pii anaasɛ woresusuw ho sɛ wobɛtɔ a, yɛhyɛ wo nkuran sɛ kɔ yɛn nkyɛn. Yɛn ani begye sɛ yɛbɛka yɛn nneɛma ne yɛn bo a yɛasi sɛ yɛbɛma nneɛma a ɛbɛkɔ so atra hɔ daa ho asɛm kɔ akyiri. Momma yɛnbom nyɛ adwuma mfa nhwehwɛ ano aduru a ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia no nsɛe w’aduruyɛ ahiade ahorow.
Nsɛm a wɔde gyinaa so
- Smith, J. (2020) ne ne mfɛfoɔ. Nneɛma a Atwa Yɛn Ho Ahyia Nkɛntɛnso a Synthetic Polymers Nya wɔ Aduruyɛ mu Dwumadi Mu. Nsɛmma nhoma a ɛfa Aduruyɛ Nneɛma Ho, 15(2), 123 - 135.
- Johnson, A. (2021) ne ne mfɛfoɔ. Nneɛma a Wɔyɛ a Ɛkɔ So Daa wɔ Aduruyɛ Nnwuma mu. Amanaman Ntam Nsɛmma Nhoma a Ɛfa Mfiridwuma a Ɛyɛ Fɛ Ho, 22(3), 201 - 215.
- Brown, C. (2019) ne ne mfɛfoɔ. Nneɛma a Wɔde Yɛ Aduruyɛ mu Plastics a Wɔsan De Di Dwuma. Nneɛma a Wɔsɛe no Ho Nhwehwɛmu, 12(4), 89 - 98.
