Engineered osmosis (EO) refers to a family of membrane based separation processes, with wide industrial applications, but primarily associated with the production of drinking water from seawater and brackish water, and with the treatment of contaminated and waste water. Osmosis is the diffusion driven flow of fluid across a semi-permeable membrane, leading to separation of solutes from solvent. EO collectively are processes based on driving solutions through a selective membrane either with or against the osmotic gradient. EO processes is a rapidly moving research which includes both isothermal (Forward Osmosis, FO; Pressure Retarded Osmosis, PRO; Reverse Osmosis, RO; Osmotic Distillation, OD) and non-isothermal (Osmotic Membrane Distillation, OMD; Thermo-osmosis, TO) membrane separation processes used for water and energy production.
This book provides a comprehensive overview of the state of the art regarding osmosis based research and industrial application. It covers the underpinning theories, technology development and commercial applications, with chapters written by the leading researchers in the relevant fields. In general, the book covers multidisciplinary topics that include ininnovative and advanced membranes and modules for osmosis separation processes (e.g. reverse osmosis, forward osmosis and pressure retarded osmosis, osmotic membrane distillation), different application of these osmosis separation processes for energy and water separation such as the treatment of radioactive waste, oily wastewater and heavy metal removal, draw solutions, pretreatment technologies necessary before the application of any osmosis process, fouling effects, use of renewable energy driven osmotic processes, computational, environmental and economic studies among others.
Industry Reviews
"If I were to carry whisky in a hip flask when out walking, and I were to consume it quickly, it would make me tipsy. The whisky has the power to do something, but the power is only made manifest if it is consumed. Likewise, the osmotic pressure of a solution contained in a beaker open to the atmosphere is not a pressure that is exerted. Osmosis only emerges in the presence of a suitable membrane and these membranes are absolutely key to the various osmosis processes. Thus, readers of Osmosis Engineering might well expect to find more about membrane development than is provided. What the book offers instead, it is an introductory chapter on the basic principles of osmosis, and then an initial focus on reverse osmosis and nanofiltration, two well-established commercially successful processes in which the osmotic pressure has to be overcome though elevation of the feed pressure. The main part of the book then covers processes in which the difference in osmotic pressure is itself the driving force...." --The Chemical Engineer
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