Adsorptive processes for the recovery of VCM emissions using an environmentally friendly MIL-100(Fe) MOF
MICROPOROUS AND MESOPOROUS MATERIALS(2023)
摘要
This work focuses on developing adsorptive separation processes for recovering vinyl chloride emissions from poly(vinyl chloride) production plants. Taking advantage of the mesoporous structure of the MIL-100(Fe) MOF adsorbent, a pressure-swing adsorption separation system was successfully developed for a separation previously dominated by temperature-swing processes. The performance of the PSA unit was compared to an MT-TPSA cycle using the same material and other adsorptive systems found in the literature. The proposed PSA unit can produce an inert gas stream fit for open-air release and a high purity VCM stream capable of being recycled back into the polymerization process. Productivity of 3.52 mol/kgads.h and 71.89 kgVCM/m3unit.h was achieved for an electrical energy consumption of 0.83 MJ/kgVCM.
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关键词
Adsorption,Vinyl chloride,MIL-100(Fe),PSA,MT-TPSA
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