1,2-Dichloroethane: He Matū Ahumahi Maha-Wāhanga
Ngā Āpure Tono Matua
I roto i te umanga matū, ko te whakamahinga matua o te 1,2-dichloroethane he rauemi mata mō te hanga vinyl chloride. He monomer nui te vinyl chloride e whakamahia ana hei hanga polyvinyl chloride (PVC), he kirihou e whakamahia whānuitia ana i roto i te hanganga, te paipa, te whakamahana taura, me ngā rauemi takai. Hei tāpiri, ka taea te huri i te 1,2-dichloroethane ki te acetylene mā te tango i te waikura. He takawaenga nui te acetylene mō te hanga rauropi, e whakamahia ana i roto i te hanga o ngā hua matū maha pērā i te acetaldehyde, te waikawa acetic, me te rapa chloroprene.
I roto i te rāngai whakarewa, he whakarewa rauropi whai hua te 1,2-dichloroethane e kaha ana ki te whakarewa i te whānuitanga o ngā matū rauropi me ngā polymer. He mea whakamahi noa mō te horoi me te tango hinu i ngā mata whakarewa, inā koa i roto i ngā ahumahi hikohiko me te tukatuka miihini. Hei tāpiri, ka whakamahia te 1,2-dichloroethane mō te tango peita me te paninga, tae atu ki te horoi i ngā taputapu tā i roto i te ahumahi tā.
I roto i ngā ahumahi patu pepeke me te kakara, ka whakamahia te 1,2-dichloroethane hei takawaenga. Ka taea te whakamahi hei hanga i ngā patu pepeke maha, pērā i ngā patu taru me ngā patu pepeke, e whakamahia whānuitia ana i roto i te ahuwhenua. Hei tāpiri, ka taea te whakamahi i te 1,2-dichloroethane hei hanga kakara me ngā mea kakara, e whakamahia whānuitia ana i roto i ngā ahumahi kai me te whakapaipai.
I roto i te maimoatanga wai, ka whakamahia ngā matū i ahu mai i te 1,2-dichloroethane, pērā i te polyethylene kua whakakōkōhia ki te chlorine, hei hanga rauemi ātete-waikura me te ātete-waikura. E whakamahia whānuitia ana ēnei rauemi i roto i ngā maimoatanga ātete-waikura mō ngā whare me ngā taputapu ahumahi, ā, he pai te ārai i te urunga o te wai me te waikura.
Ahakoa te whānuitanga o ngā whakamahinga ahumahi, he paitini te 1,2-dichloroethane, ā, me tino piri ki ngā ture haumaru mō tōna whakamahinga. Ko te nuinga o te wā ka whakamahia e te hanga ahumahi ngā pūnaha kati hei whakaiti i tōna pōturi, ā, he pūnaha hauhautanga me te pūnaha maimoatanga hauhautanga whai hua hei tiaki i te hauora o ngā kaimahi me te haumaru o te taiao. I te mea kei te piki haere te mōhiotanga ki te taiao, kei te arotauhia hoki te tukanga whakaputa o te 1,2-dichloroethane hei whakaiti i tōna pānga ki te taiao.
I roto i te rāngai whakarewa, he whakarewa rauropi whai hua te 1,2-dichloroethane e kaha ana ki te whakarewa i te whānuitanga o ngā matū rauropi me ngā polymer. He mea whakamahi noa mō te horoi me te tango hinu i ngā mata whakarewa, inā koa i roto i ngā ahumahi hikohiko me te tukatuka miihini. Hei tāpiri, ka whakamahia te 1,2-dichloroethane mō te tango peita me te paninga, tae atu ki te horoi i ngā taputapu tā i roto i te ahumahi tā.
I roto i ngā ahumahi patu pepeke me te kakara, ka whakamahia te 1,2-dichloroethane hei takawaenga. Ka taea te whakamahi hei hanga i ngā patu pepeke maha, pērā i ngā patu taru me ngā patu pepeke, e whakamahia whānuitia ana i roto i te ahuwhenua. Hei tāpiri, ka taea te whakamahi i te 1,2-dichloroethane hei hanga kakara me ngā mea kakara, e whakamahia whānuitia ana i roto i ngā ahumahi kai me te whakapaipai.
I roto i te maimoatanga wai, ka whakamahia ngā matū i ahu mai i te 1,2-dichloroethane, pērā i te polyethylene kua whakakōkōhia ki te chlorine, hei hanga rauemi ātete-waikura me te ātete-waikura. E whakamahia whānuitia ana ēnei rauemi i roto i ngā maimoatanga ātete-waikura mō ngā whare me ngā taputapu ahumahi, ā, he pai te ārai i te urunga o te wai me te waikura.
Ahakoa te whānuitanga o ngā whakamahinga ahumahi, he paitini te 1,2-dichloroethane, ā, me tino piri ki ngā ture haumaru mō tōna whakamahinga. Ko te nuinga o te wā ka whakamahia e te hanga ahumahi ngā pūnaha kati hei whakaiti i tōna pōturi, ā, he pūnaha hauhautanga me te pūnaha maimoatanga hauhautanga whai hua hei tiaki i te hauora o ngā kaimahi me te haumaru o te taiao. I te mea kei te piki haere te mōhiotanga ki te taiao, kei te arotauhia hoki te tukanga whakaputa o te 1,2-dichloroethane hei whakaiti i tōna pānga ki te taiao.
Ngā Whakatakotoranga
| Ingoa Hua | Dichloroethane | |||||||||
| MF | C₂H₄Cl₂ | |||||||||
| Āhua | Wai mārama kore tae | |||||||||
| Te parakore | 99.00% | |||||||||
| Akomanga Tūpono | 6+3 | |||||||||
| Kāore. | 1184 | |||||||||
| Nama Kāri | 107-06-2 | |||||||||
| Waehere HS | 29031500 | |||||||||
| EINECS NO | 203-458-1 | |||||||||
| Tono | Te nuinga e whakamahia ana i roto i te hanga o te vinyl chloride, ethylene glycol me ētahi atu hua matū | |||||||||
Pepa Whakahaere Kounga
| Ingoa Hua | |||||||
| TAONGA | PAEREWA | HUA WHAKAMĀTAUTAU | |||||
| Parakore (Ihirangi) | ≥99.0% (taumata ahumahi) | 99.20% | |||||
| Makuku | ≤0.05% (wāhanga papatipu) | 0.03% | |||||
| Te waikawa (hei HCl) | ≤0.005% (wāhanga papatipu) | 0.00% | |||||
| Toenga Whakarewa | ≤0.005% (wāhanga papatipu) | 0.00% | |||||
| Kiato (20℃) | 1.250~1.256 karamu/cm³ | 1.253 karamu/cm³ | |||||
| Awhe Kohua | 83.0~84.5℃ | 83.5~84.2℃ | |||||
| Tae (Tau Konukōre-Kobalta) | ≤10 (taumata tauhohenga) | 5 | |||||
| Matū Kore-Pūrere | ≤0.001% (tohu parakore teitei) | 0.00% | |||||
| Pūhaumāota (Cl⁻) | ≤0.001% (taumata matū) | 0.00% | |||||
| Te Kukū o te Hau | ≤7 mg/m³ | 2.5 mg/m³ | |||||
| Te Kukū o te Tukunga Wai Para | ≤0.05 mg/rita | 0.02 mg/rita | |||||
Hei whakarāpopototanga
Hei whakarāpopototanga, he mea nui te 1,2-dichloroethane, hei rauemi mata matū waro maha-whakamahinga, i roto i te ahumahi. Ehara i te mea ka taea anake te whakaputa i ngā momo matū nui engari ka tautoko hoki i te whanaketanga o te ahumahi hou. Mā te haere tonu o ngā whanaketanga hangarau, ka whānui ake ngā tūmanakohanga tono mō te 1,2-dichloroethane.