Cov tuam txhab tsim khoom PVC calcium carbide loj hauv tebchaws txhawb nqa txoj kev loj hlob ntawm kev lag luam ncig, nthuav dav thiab txhawb nqa cov saw hlau kev lag luam nrog calcium carbide PVC ua lub hauv paus, thiab siv zog los tsim kom muaj pawg lag luam loj uas koom ua ke "coal-electricity-ntsev". Tam sim no, cov peev txheej ntawm cov khoom vinyl vinyl hauv Suav teb tab tom txhim kho ntau yam, uas kuj tau qhib txoj hauv kev tshiab rau kev yuav khoom siv raw rau kev lag luam PVC. Cov thee-rau-olefins hauv tebchaws, methanol-rau-olefins, ethane-rau-ethylene thiab lwm yam txheej txheem niaj hnub tau ua rau kev muab ethylene ntau dua.
