Leland M. Vane
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View article: Membrane augmented distillation to separate solvents from water
Membrane augmented distillation to separate solvents from water Open
Processes for removing water from organic solvents, such as ethanol. The processes include distillation to form a rectified overhead vapor, compression of the rectified vapor, and treatment of the compressed vapor by two sequential membran…
View article: Separation process using pervaporation and dephlegmation
Separation process using pervaporation and dephlegmation Open
A process for treating liquids containing organic compounds and water. The process includes a pervaporation step in conjunction with a dephlegmation step to treat at least a portion of the permeate vapor from the pervaporation step. The pr…
View article: Effect of membrane performance variability with temperature and feed composition on pervaporation and vapor permeation system design for solvent drying
Effect of membrane performance variability with temperature and feed composition on pervaporation and vapor permeation system design for solvent drying Open
BACKGROUND The presence of water in organic solvents and biofuels can complicate their production and reuse because many hydrophilic solvents form difficult‐to‐separate mixtures with water (e.g., azeotropes). Pervaporation (PV) and vapor p…
View article: Ethanol dehydration performance of three types of commercial‐grade zeolite permselective membranes
Ethanol dehydration performance of three types of commercial‐grade zeolite permselective membranes Open
BACKGROUND Many organic solvents form difficult‐to‐separate mixtures with water and have an affinity for water, making drying a potential reuse prerequisite. Pervaporation (PV) and vapor permeation (VP) membrane technologies hold promise f…
View article: Review of pervaporation and vapor permeation process factors affecting the removal of water from industrial solvents
Review of pervaporation and vapor permeation process factors affecting the removal of water from industrial solvents Open
A recent review article ( Journal of Chemical Technology & Biotechnology 94 : 343–365 (2019)) identified several commercially‐available permselective materials for drying organic solvents with pervaporation (PV) and vapor permeation (V·P) …
View article: Water recovery from brines and salt‐saturated solutions: operability and thermodynamic efficiency considerations for desalination technologies
Water recovery from brines and salt‐saturated solutions: operability and thermodynamic efficiency considerations for desalination technologies Open
This review provides an overview of desalination technologies and discusses the thermodynamic efficiencies and operational issues associated with the various technologies particularly with regard to high salinity streams. When water is rec…