Methylene Chloride (MC), chinonyungudutsa chinogoneka chinoshandiswa zvakanyanya mumishonga, zvinonamira, uye aerosol maumbirwo, iri kuita shanduko huru mukushandiswa kwayo kwemaindasitiri uye mamiriro ekutonga. Kufambira mberi kwezvino mukugadzirwa kwekugadzira, mitemo yekuchengetedza kwezvakatipoteredza, uye imwe tsvakiridzo yekunyungudutsa iri kugadziridza mabatirwo anoonekwa uye kushandiswa kwekemikari iyi mumaketani epasi rose.
1. Kubudirira muYakavharwa-Loop Recycling Systems
Nzira inodzika yekudzoreredza nekushandisa zvakare dichloromethane mumagadzirirwo ekugadzira yakawana simba muna 2023. Yakagadzirwa neEuropean research consortium, iyi yakavharwa-loop system inoshandisa advanced adsorption matekinoroji kutora uye kuchenesa MC mhute inoburitswa panguva yekugadzira coating. Miedzo yekutanga inoratidza 92% yekudzoreredza mwero, ichideredza zvakanyanya kushandiswa kwezvinhu uye kubuda.
Iyo tekinoroji inosanganisa AI-inotyairwa yekutarisa kuti ikwidzise magadzirirwo ekushandisazve solvent, kuve nechokwadi chekutevedzera zvakaomesesa nzvimbo yebasa. Maindasitiri akadai sekugadzira polycarbonate uye yemagetsi chikamu chekuchenesa ari kuyedza iyi sisitimu, inoenderana neInternational Council of Chemical Associations '(ICCA) 2030 denderedzwa hupfumi zvinangwa.
2. Kusimbisa Global Regulations paMC Emissions
Mitumbi inodzora iri kuwedzera kuongororwa kweMethylene Chloride nekuda kweiyo ozone depletion inogona (ODP) uye njodzi dzehutano hwepabasa. MunaGunyana 2023, iyo European Chemicals Agency (ECHA) yakaronga zvigadziriso kuREACH mirau, ichiraira chaiyo-nguva yekuburitsa emission yezvivakwa zvinoshandisa anopfuura makumi mashanu matani eMC pagore. Mitemo inodawo kutsiva kuongororwa kwezvisina kukosha zvekushandisa neQ2 2024.
Saizvozvo, US Environmental Protection Agency (EPA) yakatanga ongororo yemamiriro eMC pasi peToxic Substances Control Act (TSCA), iine zvakawanikwa zvichiratidza kuomarara kwenzvimbo yebasa kunoitwa nemhepo-zvichigona kudzikisa chikumbaridzo kubva pa25 ppm kuenda ku10 ppm. Aya matanho ane chinangwa chekugadzirisa kushushikana kuri kuwedzera pamusoro penguva refu yeurological mhedzisiro pakati pevashandi vemuindasitiri.
3. Pharmaceutical Sector Inotora Greener Alternatives
Indasitiri yemishonga, mutengi mukuru weMethylene Chloridefor drug crystallization uye kubvisa, iri kukurumidza kuyedzwa kwebio-based solvents. Ongororo yakaongororwa nevezera yakaburitswa mu *Green Chemistry* (Nyamavhuvhu 2023) yakasimbisa limonene-yakatorwa zvinonyungudutsa sezvinogona kutsiva MC muAPI (inoshanda mishonga yemishonga) synthesis, kuwana goho rinoenzaniswa ne80% yakaderera chepfu profiles.
Nepo kurerwa kwevana kuchiri kuwedzera nekuda kwezvinetso zvekugadzirisa, zvinokurudzira zviri pasi peUS Inflation Reduction Act iri kupa mari zvidyarwa zvekuyedza zvakatsaurirwa kuwedzera dzimwe nzira idzi. Vaongorori vanofanotaura kudzikiswa kwe15-20% mukuda kweMC kubva ku pharma ne2027 kana maitiro eR&D aripo.
4. Kufambira mberi muMC Risk Mitigation Technologies
Innovative engineering controls iri kuderedza njodzi dzine chekuita neMC. Boka rekuNorth America rekutsvagisa nguva pfupi yadarika rakafumura nanoparticle-based filtration system inoodza yasara MC munzizi dzemvura yetsvina kuita zvisina muchetura byproducts senge chloride ion uye kabhoni dhaibhoni. Iyo photocatalytic process, yakabatidzwa neakaderera-simba UV mwenje, inowana 99.6% kushatisa kushanda zvakanaka uye iri kubatanidzwa munzvimbo dzekuchenesa mvura yemakemikari.
Pamusoro pezvo, chizvarwa chinotevera chekuzvidzivirira nacho (PPE) chine magraphene-enhanced respirators yakaratidza 98% kushanda mukuvhara mhupu dzeMC panguva yemabasa ekufumura zvakanyanya sekubvisa pendi. Izvi zviitiko zvinoenderana neakagadziridzwa OSHA nhungamiro inosimbisa tiered kuratidzwa zvinodzora kune MC vanobata.
5. Sustainability-Inofambiswa Nemusika Shifts
Zvisinei nebasa rayo rakadzika midzi, Methylene Chloride inotarisana nekumanikidzana kubva kuESG (zvakatipoteredza, zvemagariro, hutongi) maitiro ekudyara. Ongororo ya2023 yakaitwa nemuongorori anotungamira weindasitiri yemakemikari yakaratidza kuti makumi matanhatu nesere muzana evagadziri vepasi zvino vanoisa pamberi kune vatengesi vane yakasimbiswa MC emission zvirongwa. Aya maitiro arikuchidzira hunyanzvi mune solvent kudzoreredza zvivakwa uye bio-hybrid nzira dzekugadzira.
Zvakanyanya, chirongwa chekuyedza muSoutheast Asia chakabudirira kugadzira MC ichishandisa methane chlorination inofambiswa nesimba rinodzokororwa, ichicheka kabhoni tsoka yekugadzira ne40%. Kunyange zvipingamupinyi zve scalability zvichiripo, zvirongwa zvakadaro zvinosimbisa chikamu chemakemikari pivot kune decarbonized solvent ecosystems.
Mhedziso: Kuenzanisa Utility uye Basa
Sezvo Methylene Chloride ichiramba ichikosha pakushandisa kwakakosha, iyo indasitiri inotarisisa pane inogoneka hunyanzvi uye kutevedza mitemo iri kuwedzera. Kudyidzana kweanocheka-kumucheto kudzoreredza masisitimu, dzimwe nzira dzakachengeteka, uye masisitimu ari kubuda anotsanangura basa reMC mune yakaderera-kabhoni remangwana. Vabatiri vechikamu cheukoshi vanofanirwa ikozvino kufamba muchikamu chino cheshanduko-apo kushanda nesimba uye kuchengetedzwa kwezvakatipoteredza kunosangana - kuchengetedza hupenyu hwenguva refu.
Nguva yekutumira: Kubvumbi-07-2025