Eminyakeni yamuva, izwi lokuvikelwa kwemvelo liya ngokuya likhuphuka, futhi izinqubomgomo ezihlukahlukene zokuvikela imvelo ziye zavela ngokungapheli, eziye zanwetshwa ngokujulile embonini yokunyathelisa, ikakhulukazi ukupakisha nokunyathelisa. Njengoba sazi, ama-VOC ashiswa inqubo yokuphrinta ahlobene nokuqukethwe kwama-VOC ngoyinki, okokuncibilikisa namakhemikhali ahlobene asetshenziswa,Kubuye kuhlobane nokushintshashintsha kwe-roller yamapuleti kanye nerola kayinki ekunyatheliseni, kanye nokushintshashintsha kwepuleti lokuphrinta eliqedwe kancane enqubweni yokunyathelisa. Amasethi ombala oweqile wemikhiqizo yokuphrinta nokuphrinta okugcwele ngokwemvelo kuzoholela ekwandeni kokuntengantenga kwe-VOCs enqubweni yokuphrinta.
Ukulawula ama-VOC akuwona umsebenzi wokuphrinta kuphela.
Lokhu kukhishwa kwama-VOC kunezinkomba ezimbili ezibalulekile, enye ingqikithi yama-VOC ayinki, i-solvent namakhemikhali, enye iyisamba senani likayinki, izincibilikisi namakhemikhali asetshenziswa amabhizinisi afanelekile. Esimweni samanje, amabhizinisi afanelekile we-inki, ukulawulwa kokukhethwa kwamakhemikhali kuye kwaba nzima kakhulu, okuqukethwe kwe-VOCs kuye kwaba ngaphansi, kukhona amabhizinisi amaningi ngemva kokwenza umsebenzi wesikole okwanele anganciphisa inani le-solvent kuze kube umkhawulo, nakuba izinkampani zokunyathelisa ziye zazama kanzima, lokhu kusetshenziswa okuphelele kuyigebe elingenakunqotshwa.
Esinye sezizathu ukunqunywa komklamo wokupakisha nokuphrinta. Njengamanje, amalebula emakethe ikakhulukazi ayiqembu elinemibala eminingi kanye nokuphrinta kohlelo olugcwele. Isamba sokusetshenziswa kukayinki, i-solvent namakhemikhali ahlobene akulona i-oda lobukhulu uma liqhathaniswa nokunyatheliswa kwezincwadi. Cabanga ngebhizinisi lokupakisha nokuphrinta, ukusetshenziswa kwaminyaka yonke kwamathani angu-40 kayinki wokuphrinta we-offset, amathani angu-10 we-solvent, amathani angu-5 wamakhemikhali ahlobene, ngokusho kokuqukethwe kwe-inki ye-VOCs okungengaphezu kuka-3% womkhawulo ophezulu, unyaka wokusetshenziswa kokukhiqiza, okuqukethwe kwe-inki ye-VOCs kufinyelele amathani angu-1.2, le mali izoba ngamathani ahlobene ne-VOC, kanye namakhemikhali ahlobene.
Ukulawulwa kwama-VOC kufanele kuthathwe emthonjeni
Ngokuphrinta izidingo zenqubomgomo yokuvikelwa kwemvelo, ikakhulukazi ukukhishwa kwe-VOCs, umuzwa okwamanje usekungaqondini kahle, kugcizelelwa kakhulu ekulawuleni ukukhishwa kwezixhumanisi zokuphrinta. Izinqubomgomo ezehlukene zezemvelo nazo ziyibekela imingcele ngokuqinile inqubo yokuphrinta, yebo, uyinki namakhemikhali ahlobene ngokwezinga elithile. Kodwa noma ngabe ukusetshenziswa kwezinto ezingavuthiwe neziyisizayo ezivikela imvelo kuzokhiqiza inani elithile lama-VOC, noma ngabe ukusetshenziswa kwezinyathelo zokuphatha ezithuthukisiwe kungeke kube ukubusa okungu-100% kwama-VOC akhiqiziwe.
Ngakho-ke, izidingo zethu zokuvikelwa kwemvelo kokunyathelisa, hhayi kuphela ukucabangela ukuthi izinto ezisetshenziswayo zihambisana nemvelo, kodwa futhi ukuze sizuze ukuncipha okuyisisekelo, ukuncishiswa okuhambisanayo kwezinto ezisetshenziswayo kusixhumanisi sokunyathelisa kuwukuphulukisa kuphela, impande yangempela nayo ikusixhumanisi sokuklama ilebula. Ngoba lokhu kuwumthombo wonke ukunyathelisa, ukukhiqizwa, lapho ukuklama ilebula ukunciphisa iqembu umbala, ukunciphisa ukunyathelisa okugcwele, kungaba ngokuyisisekelo kuzuzwe uyinki, i-solvent, amakhemikhali ahlobene ezifana ukunciphisa ngokuqondile imikhiqizo equkethe VOCs.
Sisebenza kanzima, kusukela kubaphathi be-VOC, ngisho nokukhishwa kwekhabhoni, kanye nokunciphisa ukukhishwa kwekhabhoni kungenza zombili izimpawu nezimbangela.
Isikhathi sokuthumela: May-20-2022