Methylene Chloride (MC), wani sinadari mai amfani da ake amfani da shi sosai a fannin magunguna, manne, da kuma hada sinadarai masu amfani da iskar gas, yana fuskantar manyan sauye-sauye a aikace-aikacensa na masana'antu da kuma yanayin da ake bi wajen tsara shi. Ci gaban da aka samu kwanan nan a fannin ingancin samarwa, ka'idojin tsaron muhalli, da kuma binciken madadin sinadari yana sake fasalin yadda ake fahimtar wannan sinadari da kuma amfani da shi a duk fadin sarkar samar da kayayyaki ta duniya.
1. Nasarorin da aka samu a Tsarin Sake Amfani da Tsarin Rufe
Wata sabuwar hanyar farfadowa da sake amfani da dichloromethane a cikin hanyoyin kera kayayyaki ta sami karɓuwa a shekarar 2023. Wannan tsarin rufewa yana amfani da fasahar shaye-shaye ta zamani don kamawa da tsarkake tururin MC da aka fitar yayin samar da rufin. Gwaje-gwajen farko sun nuna kashi 92% na farfadowa, wanda hakan ya rage yawan amfani da kayan da ake samarwa da hayaki.
Fasahar ta haɗa da sa ido da AI ke jagoranta don inganta zagayowar sake amfani da sinadarai, tare da tabbatar da bin ƙa'idodi masu tsauri na fallasa wuraren aiki. Masana'antu kamar kera polycarbonate da tsaftace kayan lantarki suna gwada wannan tsarin, wanda ya yi daidai da manufofin tattalin arziki na zagaye na Majalisar Dinkin Duniya ta Ƙungiyoyin Sinadarai (ICCA) na 2030.
2. Tsaurara Dokokin Duniya Kan Fitar da Iskar MC
Hukumomin kula da muhalli suna ƙara tsananta bincike kan Methylene Chloride saboda yuwuwar raguwar iskar ozone (ODP) da kuma haɗarin lafiyar aiki. A watan Satumba na 2023, Hukumar Sinadarai ta Turai (ECHA) ta gabatar da shawarwari kan gyare-gyare ga ƙa'idodin REACH, inda ta ba da umarnin bin diddigin hayaki a ainihin lokaci ga wuraren da ke amfani da tan 50 na MC kowace shekara. Dokokin kuma suna buƙatar kimanta maye gurbin aikace-aikacen da ba su da mahimmanci kafin kwata na 2 na 2024.
A lokaci guda, Hukumar Kare Muhalli ta Amurka (EPA) ta fara yin bita kan matsayin MC a ƙarƙashin Dokar Kula da Abubuwan Guba (TSCA), tare da binciken farko da aka gudanar ya nuna tsauraran iyakokin yawan jama'a a wurin aiki - wanda zai iya rage ƙa'idar daga 25 ppm zuwa 10 ppm. Waɗannan matakan suna da nufin magance damuwar da ke ƙaruwa game da tasirin jijiyoyi na dogon lokaci tsakanin ma'aikatan masana'antu.
3. Sashen Magunguna Ya Karɓi Madadin Masu Kore
Masana'antar harhada magunguna, wacce ita ce babbar mai amfani da Methylene Chloride don samar da crystallization da cire magunguna, tana hanzarta gwaje-gwajen sinadaran da ke tushen halittu. Wani bincike da aka yi nazari a kansu wanda aka buga a cikin *Green Chemistry* (Agusta 2023) ya nuna sinadaran da aka samo daga limonene a matsayin maye gurbin MC masu inganci a cikin hada API (sinadarin magunguna masu aiki), yana samun sakamako iri ɗaya tare da ƙarancin bayanan guba da kashi 80%.
Duk da cewa ɗaukar nauyin yana ci gaba da ƙaruwa saboda ƙalubalen daidaiton tsari, ƙarfafawa a ƙarƙashin Dokar Rage Hauhawar Kumburi ta Amurka suna ba da kuɗaɗen gwaji ga cibiyoyin gwaji waɗanda aka keɓe don haɓaka waɗannan hanyoyin. Masu sharhi sun yi hasashen raguwar buƙatar MC daga magunguna da kashi 15-20% nan da shekarar 2027 idan yanayin bincike da ci gaba na yanzu ya ci gaba.
4. Ci gaba a Fasahar Rage Hadari ta MC
Sabbin hanyoyin sarrafa injiniyanci suna rage haɗarin da ke tattare da MC. Wata ƙungiyar bincike ta Arewacin Amurka kwanan nan ta bayyana wani tsarin tacewa wanda aka yi da nanoparticle wanda ke lalata ragowar MC a cikin rafukan ruwa na shara zuwa samfuran da ba su da guba kamar ions na chloride da carbon dioxide. Tsarin photocatalytic, wanda hasken UV mai ƙarancin kuzari ke kunnawa, ya cimma kashi 99.6% na ingancin lalatawa kuma ana haɗa shi cikin wuraren sarrafa ruwan shara na sinadarai.
Bugu da ƙari, kayan kariya na mutum na zamani (PPE) waɗanda ke ɗauke da na'urorin numfashi masu haɓaka graphene sun nuna inganci kashi 98% wajen toshe tururin MC yayin ayyukan fallasa mai yawa kamar cire fenti. Waɗannan ci gaban sun yi daidai da sabbin jagororin OSHA waɗanda ke jaddada matakan sarrafa fallasa ga masu sarrafa MC.
5. Canje-canjen Kasuwa Masu Dorewa
Duk da rawar da Methylene Chloride ke takawa, tana fuskantar matsin lamba mai yawa daga ka'idojin saka hannun jari na ESG (muhalli, zamantakewa, da shugabanci). Wani bincike da wani babban mai sharhi kan masana'antar sinadarai ya gudanar a shekarar 2023 ya nuna cewa kashi 68% na masana'antun da ke cikin mawuyacin hali yanzu suna ba da fifiko ga masu samar da kayayyaki tare da ingantattun tsare-tsaren rage fitar da hayaki na MC. Wannan yanayin yana haɓaka kirkire-kirkire a cikin kayayyakin more rayuwa na dawo da sinadarai da hanyoyin samar da sinadarai masu hade-hade.
Abin lura shi ne, wani aikin gwaji a Kudu maso Gabashin Asiya ya yi nasarar haɗa MC ta amfani da sinadarin methane chlorine wanda makamashin da ake sabuntawa ke amfani da shi, wanda hakan ya rage sawun carbon da ake samarwa da kashi 40%. Duk da cewa akwai ƙalubalen daidaita ƙarfin lantarki, irin waɗannan shirye-shiryen sun nuna ginshiƙin ɓangaren sinadarai zuwa ga yanayin halittu masu narkewa da ba su da sinadarin carbon.
Kammalawa: Daidaita Amfani da Alhaki
Ganin cewa Methylene Chloride ya kasance ba makawa ga muhimman aikace-aikace, mayar da hankali kan masana'antar kan kirkire-kirkire mai ɗorewa da bin ƙa'idodi yana ƙaruwa. Haɗakar tsarin farfadowa na zamani, madadin aminci, da manufofi masu tasowa za su bayyana rawar da MC ke takawa a cikin makomar ƙarancin carbon. Masu ruwa da tsaki a cikin sarkar darajar yanzu dole ne su bi wannan matakin canji - inda ingancin aiki da kula da muhalli suka haɗu - don tabbatar da dorewar aiki na dogon lokaci.
Lokacin Saƙo: Afrilu-07-2025