Methylene Chloride (MC), chosungunulira chosunthika chomwe chimagwiritsidwa ntchito kwambiri m'mankhwala, zomatira, ndi ma aerosol, chikusintha kwambiri pakugwiritsa ntchito mafakitale komanso momwe amalamulira. Kupita patsogolo kwaposachedwa pakupanga bwino, njira zotetezera zachilengedwe, ndi kafukufuku wina wa zosungunulira zikukonzanso momwe mankhwalawa amazindikirira ndikugwiritsidwa ntchito padziko lonse lapansi.
1. Zotsogola mu Makina Otsekedwa-Loop Recycling Systems
Njira yowonongeka yobwezeretsanso ndikugwiritsanso ntchito dichloromethane muzopangapanga yapeza mphamvu mu 2023. Yopangidwa ndi European Research Consortium, dongosolo lotsekedwa lotsekedwa limagwiritsa ntchito matekinoloje apamwamba a adsorption kuti agwire ndi kuyeretsa nthunzi za MC zomwe zimatulutsidwa panthawi yopanga zokutira. Mayesero oyambilira akuwonetsa 92% kuchira, kuchepetsa kwambiri kugwiritsa ntchito komanso kutulutsa mpweya.
Ukadaulo umaphatikiza kuwunika koyendetsedwa ndi AI kuti kukhathamiritse mizunguliro yogwiritsanso ntchito zosungunulira, kuwonetsetsa kuti zikutsatira malire okhwima okhudzana ndi malo antchito. Makampani monga kupanga polycarbonate ndi kuyeretsa zida zamagetsi akuyesa dongosololi, lomwe likugwirizana ndi zolinga zachuma zozungulira za International Council of Chemical Associations '(ICCA) 2030.
2. Kulimbitsa Malamulo Padziko Lonse pa Kutulutsa kwa MC
Mabungwe olamulira akuwonjezera kuwunika kwa Methylene Chloride chifukwa cha kuthekera kwake kowononga ozone (ODP) komanso kuwopsa kwa thanzi lantchito. Mu Seputembara 2023, European Chemicals Agency (ECHA) idakonza zosintha pamalamulo a REACH, kulamula kuti malo omwe amagwiritsa ntchito matani opitilira 50 a MC azitsatiridwa munthawi yeniyeni. Malamulowa amafunikiranso kuwunika m'malo mwazinthu zosafunikira pofika Q2 2024.
Nthawi yomweyo, bungwe la US Environmental Protection Agency (EPA) lidayambitsanso kuwunika momwe a MC alili pansi pa Toxic Substances Control Act (TSCA), pomwe zopeza zosonyeza kuti malo ogwirira ntchito azikhala olimba kwambiri - zomwe zitha kutsitsa 25 ppm mpaka 10 ppm. Njirazi zimayang'ana kuthana ndi nkhawa zomwe zikuchulukirachulukira pazovuta zanthawi yayitali zaubongo pakati pa ogwira ntchito m'mafakitale.
3. Gawo Lamankhwala Limatengera Njira Zina Zobiriwira
Makampani opanga mankhwala, omwe amagwiritsa ntchito kwambiri Methylene Chloridefor crystallization and extraction, akufulumizitsa kuyesa kwa zosungunulira zochokera ku bio. Kafukufuku wowunikiridwa ndi anzawo omwe adasindikizidwa mu *Green Chemistry* (Ogasiti 2023) adawunikira zosungunulira zochokera ku limonene ngati zosinthira za MC mu kaphatikizidwe ka API (mankhwala opangira mankhwala), zomwe zimapeza zokolola zofananira ndi 80% yotsika kawopsedwe.
Ngakhale kuti kulera mwana kukuchulukirachulukira chifukwa cha zovuta za kukhazikika, zolimbikitsira pansi pa lamulo la US Inflation Reduction Act zimathandizira makampani oyesa omwe adzipereka kuti awonjezere njira zina. Ofufuza akuneneratu kuchepetsedwa kwa 15-20% kwa MC kufunidwa kwa pharma pofika 2027 ngati zomwe zikuchitika pano za R&D zipitilira.
4. Kupita patsogolo kwa MC Risk Mitigation Technologies
Kuwongolera kwaukadaulo kwaukadaulo kukuchepetsa zoopsa zokhudzana ndi MC. Gulu lofufuza ku North America posachedwapa lavumbulutsa makina osefera opangidwa ndi nanoparticle omwe amawola MC yotsalira m'mitsinje yamadzi oyipa kukhala zinthu zopanda poizoni monga ma chloride ayoni ndi carbon dioxide. Njira ya photocatalytic, yoyendetsedwa ndi kuwala kocheperako kwa UV, imakwaniritsa 99.6% yowononga bwino ndipo ikuphatikizidwa m'malo opangira madzi onyansa.
Kuphatikiza apo, zida zodzitetezera za m'badwo wotsatira (PPE) zomwe zili ndi zopumira zowonjezera ma graphene zawonetsa mphamvu 98% potsekereza nthunzi za MC panthawi yantchito zowonekera kwambiri ngati kuvula utoto. Zomwe zikuchitikazi zikugwirizana ndi malangizo osinthidwa a OSHA omwe akugogomezera kuwongolera kwapang'onopang'ono kwa othandizira a MC.
5. Kusintha kwa Msika Wokhazikika Wokhazikika
Ngakhale kuti ali ndi udindo waukulu, Methylene Chloride akukumana ndi zovuta zambiri kuchokera ku ESG (zachilengedwe, chikhalidwe, kayendetsedwe ka kayendetsedwe kake). Kafukufuku wa 2023 wopangidwa ndi katswiri wofufuza zamakampani opanga mankhwala adawonetsa kuti 68% ya opanga kumunsi tsopano amaika patsogolo omwe amapereka mapulani otsimikizika ochepetsera mpweya wa MC. Izi zikupangitsa kuti pakhale njira zatsopano zosinthira zosungunulira komanso njira zopangira ma bio-hybrid.
Makamaka, ntchito yoyeserera ku Southeast Asia yapanga bwino MC pogwiritsa ntchito methane chlorination yoyendetsedwa ndi mphamvu zongowonjezwdwa, ndikudula mpweya wopangidwa ndi 40%. Ngakhale zovuta za scalability zidakalipo, zoyeserera zotere zikugogomezera mayendedwe a gawo lamankhwala pazachilengedwe zosungunulira za decarbonized.
Kutsiliza: Kuyanjanitsa Utility ndi Udindo
Monga Methylene Chloride ikadali yofunikira pakugwiritsa ntchito zovuta, kuyang'ana kwamakampani pakupanga zatsopano komanso kutsata malamulo kukukulirakulira. Kulumikizana kwamakina owongolera otsogola, njira zina zotetezeka, ndi mfundo zomwe zikusintha zidzatanthauzira gawo la MC m'tsogolo lokhala ndi mpweya wochepa. Omwe akutenga nawo mbali pazachuma akuyenera kutsata gawo losinthali - momwe magwiridwe antchito amagwirira ntchito komanso kuyang'anira chilengedwe - kuti atetezeke kwanthawi yayitali.
Nthawi yotumiza: Apr-07-2025