1. Domin giya tana dauke da sinadarai irinsu barasa, sannan robobin da ke cikin kwalabe na sinadarai ne, wadannan sinadarai na da illa ga jikin dan adam. Bisa ga ka'idar cikakken daidaituwa, waɗannan kwayoyin halitta zasu narke a cikin giya. Ana shigar da kwayoyin halitta masu guba a cikin jiki, wanda ke haifar da cutarwa ga jikin mutum, don haka giya ba a cikin kwalabe na filastik.
2. Gilashin kwalabe suna da fa'idodi na kyawawan kaddarorin shinge na iskar gas, tsawon rayuwar adanawa, bayyananniyar gaskiya, da sauƙin sake amfani da su, amma akwai matsaloli kamar yawan amfani da makamashi a cikin samarwa, damuwa, da fashewa da rauni mai sauƙi.
Kwanan nan, haɓakawa da bincike na kwalabe na PET masu shinge tare da buhunan giya a matsayin babban abin da ake nufi ya zama wuri mai zafi a cikin masana'antu, kuma an sami ci gaba mai mahimmanci bayan dogon lokaci na aikin bincike. Beer yana da matukar damuwa ga haske da iskar oxygen, kuma rayuwar shiryayye yakan kai kwanaki 120. Ana buƙatar ƙarancin iskar oxygen na kwalban giya kada ya wuce 1 × 10-6g a cikin kwanaki 120, kuma asarar CO2 bai wuce 5%.
Wannan buƙatun shine sau 2 ~ 5 na shamaki mallakar kwalban PET mai tsabta; Bugu da kari, wasu breweries amfani da pasteurization hanya ga giya, bukatar ganiya zafin jiki juriya don isa 298 ℃, yayin da ƙarfi, zafi juriya, gas shãmaki na tsarki PET kwalban The kaddarorin ba har zuwa bukatun na giya kwalabe, sabili da haka, mutane ne. tsere don bincike da haɓaka sabbin kayayyaki da sabbin matakai don shinge daban-daban da haɓakawa.
A halin yanzu, fasahar maye gurbin kwalabe na gilashi da gwangwani na karfe na giya tare da kwalabe na polyester ya girma, kuma an fara aikin kasuwanci. Dangane da hasashen mujallar “Filastik na Zamani”, a cikin shekaru 3 zuwa 10 masu zuwa, kashi 1 zuwa 5% na giyar duniya za a canza zuwa marufi na PET.
Lokacin aikawa: Agusta-18-2022