I ka makahiki holoʻokoʻa, ua māhele ʻia ka honua i ʻelua mau pou, ʻo kekahi me nā wahi ʻoluʻolu a ʻo kekahi me nā wahi ʻino. No laila ua nīnau kekahi mau hoaaloha e noho ana ma ia ʻano kaiapuni i kā mākou mau hoa hana mai ka ʻoihana kalepa ʻoihana haole, he aha ke ʻano kīʻaha wai kūpono no nā wahi ʻino? Hiki ke hoʻohana ʻia nā kīʻaha wai plastik?
ʻO kēia ka manawa mua aʻu i hālāwai ai me kēia nīnau. Ua hālāwai au ma mua. ʻO wai ke kīʻaha wai kūpono i ke kauwela? He aha ke ʻano o ka hue wai kūpono no ka hoʻoilo? ʻO ka nīnau no ka mea ua kākau pololei kēia hoa i nā kūlana. Pono e ʻike ʻia ke kīʻaha wai i kahi kaiapuni ʻoi aku ka liʻiliʻi o 40 ℃ no 48 mau hola, a laila e hōʻike ʻia i kahi kaiapuni o 80 ℃ ma luna o ka zero no 24 mau hola. Ma kēia ala, ʻo ke kīʻaha wai me ka ʻokoʻa o ka mahana o 120 ℃ pono ia e mālama i ka hana maikaʻi, ʻaʻole hiki ke hōʻino ʻia ka hana o ka hoʻohana ʻana a me ke ʻano o ke kīʻaha wai, a ʻaʻole hiki ke emi ke ola lawelawe o ke kīʻaha wai. ma mua o 12 mahina ma lalo o ia mau kūlana. ʻO ka hoʻokō ʻana i kēia mau kūlana ʻaʻole ia he mea hiki ke hana i nā kīʻaha wai a pau.
E pohā nā kīʻaha wai aniani ma lalo o kēlā ʻano wela, a ʻike maopopo ʻia nā kīʻaha wai seramika no kēlā ʻano kaiapuni ma muli o ko lākou ʻano. ʻO ka mea mua e hiki ai ke hoʻokō i ke koi, ʻo ia nā kīʻaha wai kila kila, akā ma lalo o kahi ʻokoʻa o ka mahana o 120 ° C, ʻoi aku ka maikaʻi e hoʻohana i kahi kīʻaha wai kila kila. Hiki i ke kīʻaha wai kila kuhili ʻole ke hoʻopōʻino i ka ʻāpana ʻūhā o ke kīʻaha wai ma lalo o kēlā ʻokoʻa wela kiʻekiʻe, a e hōʻeha nui ai iā ia iho. ʻO ka ʻeha kino, no ka mea ʻaʻole hiki ke hoʻāʻo ʻia nā mea hana i kēia manawa o nā hale kīʻaha wai mai ka liʻiliʻi 40 degere Celsius a ma luna o ka 80 degere Celsius. ʻAʻole e hiki mai kēia kūlana me nā kīʻaha wai kila kuhili hoʻokahi.
No laila, ma waho aʻe o nā kīʻaha wai kila kila, hiki ke hoʻohana ʻia nā kīʻaha wai plastik? ʻAe ka pane. Loaʻa i nā mea palaki ke kūpaʻa haʻahaʻa. Hiki i kēia mea ke pale i nā ʻokoʻa wela kiʻekiʻe a ʻaʻole e hōʻino i ke kīʻaha wai ma muli o ke kaiapuni. Akā ʻoi aku ka kiʻekiʻe o ke kumukūʻai o ia mau mea ma mua o ke kumukūʻai o nā mea plastic maʻamau. He aha ia mea? E ʻoluʻolu e kelepona mai iā mākou ma ka leka pilikino.
Ka manawa hoʻouna: Mei-09-2024