Abstract
Molecular sieve ceramic membrane is a suitable material for solvent recovery application due to its chemical, mechanical and thermal stability. Pervaporation process using molecular sieve ceramic membrane offers an alternative choice to recover the solvent from waste, with potentially lower energy consumption as compared with conventional solvent waste treatment. This article provides a comprehensive review of the ceramic pervaporation membrane technologies in various industries applications; molecular sieve material synthesis; covers ceramic pervaporation membrane preparation and suggestions to achieve high membrane separation performance. To extend the ceramic pervaporation membrane technologies for potential solvent recovery application, evaluations from the environment and economic perspectives are provided. Potential challenges in membrane development technologies and current opportunities application in solvent recovery are also addressed from the perspective of future-oriented manufacturing. In the current industry practice, solvent dehydration membrane has been commercially applied in organic solvents purification whereas organic solvent reclamation from aqueous solution or organic solvent mixtures is still in development stage. Based on our findings, to enhance the membrane separation performance, high selectivity of molecular sieve membrane toward specific solvent molecules is the key determining factor. In addition, zeolite and composite membrane are found to be the potential ceramic pervaporation membranes used in carbon footprint reduction in solvent recovery process.
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