Pressure retarded osmosis: From the vision of Sidney Loeb to the first prototype installation — Review

The energy released from the mixing of freshwater with saltwater is a source of renewable energy that can be harvested using pressure retarded osmosis (PRO). In PRO, water from a low salinity solution permeates through a membrane into a pressurized, high salinity solution; power is obtained by depressurizing the permeate through a hydroturbine. The combination of increased interest in renewable and sustainable sources of power production and recent progress in membrane science has led to a spike in PRO interest in the last decade. This interest culminated in the first prototype installation of PRO which opened in Norway in late 2009. Although many investigators would suggest there is still lack of theoretical and experimental investigations to ensure the success of scaled-up PRO, the Norway installation has evoked several specialized and main-stream press news articles. Whether the installation and the press it has received will also boost competitive commercialization of membranes and modules for PRO applications remains to be seen. This state-of-the-art review paper tells the unusual journey of PRO, from the pioneering days in the middle of the 20th century to the first experimental installation.

[1]  S. Loeb,et al.  Production of energy from concentrated brines by pressure-retarded osmosis : II. Experimental results and projected energy costs , 1976 .

[2]  Sidney Loeb,et al.  Production of energy from concentrated brines by pressure-retarded osmosis , 1976 .

[3]  S. Loeb.  Energy production at the Dead Sea by pressure-retarded osmosis: challenge or chimera? , 1998 .

[4]  Sidney Loeb,et al.  One hundred and thirty benign and renewable megawatts from Great Salt lake? The possibilities of hydroelectric power by pressure-retarded osmosis , 2001 .

[5]  R. E. Pattle.  Production of Electric Power by mixing Fresh and Salt Water in the Hydroelectric Pile , 1954, Nature.

[6]  Panagiotis D. Christofides,et al.  On RO membrane and energy costs and associated incentives for future enhancements of membrane permeability , 2009 .

[7]  Menachem Elimelech,et al.  Influence of membrane support layer hydrophobicity on water flux in osmotically driven membrane processes , 2008 .

[8]  R. S. Norman.  Water Salination: A Source of Energy , 1974, Science.

[9]  S. Loeb,et al.  Effect of porous support fabric on osmosis through a Loeb-Sourirajan type asymmetric membrane , 1997 .

[10]  M. El Haj Assad,et al.  The Effect of Solute Leakage on the Thermodynamical Performance of an Osmotic Membrane , 2003 .

[11]  H. Masuda,et al.  Osmo-power. Theory and performance of an osmo-power pilot plant , 1981 .

[12]  T Thorsen,et al.  Finding hidden energy in membrane processes , 2005 .

[13]  C. Uliana,et al.  Suitability of reverse osmosis membranes for energy recovery by submarine osmotic power plants , 1986 .

[14]  S. Loeb,et al.  Performance of permasep B-9 and B-10 membranes in various osmotic regions and at high osmotic pressures , 1978 .

[15]  Markku J. Lampinen,et al.  A new concept for an osmotic energy converter , 2001 .

[16]  Sidney Loeb.  One hundred and thirty benign and renewable megawatts from Great Salt Lake? The possibilities of hydroelectric power by pressure-retarded osmosis with spiral module membranes: Desalination, 141 (2001) 85–91 , 2002 .

[17]  Sudhakar M. Rao.  Reverse osmosis , 2007 .

[18]  Chuyang Y. Tang,et al.  Effect of draw solution concentration and operating conditions on forward osmosis and pressure retarded osmosis performance in a spiral wound module , 2010 .

[19]  R. Naylor,et al.  ENERGY AND RESOURCE CONSTRAINTS ON INTENSIVE AGRICULTURAL PRODUCTION , 1996 .

[20]  Robert L McGinnis,et al.  A novel ammonia–carbon dioxide osmotic heat engine for power generation , 2007 .

[21]  Markku J. Lampinen,et al.  On the non-linearity of osmotic flow , 2004 .

[22]  S. Loeb.  Large-scale power production by pressure-retarded osmosis, using river water and sea water passing through spiral modules , 2002 .

[23]  Markku J. Lampinen,et al.  Thermodynamic optimizing of pressure-retarded osmosis power generation systems , 1999 .

[24]  R. S. Norman,et al.  Osmotic power plants. , 1975, Science.

[25]  Rolf Jarle Aaberg,et al.  Osmotic power: A new and powerful renewable energy source? , 2003 .

[26]  End Use.  Annual energy review , 1984 .

[27]  Menachem Elimelech,et al.  Global challenges in energy and water supply: the promise of engineered osmosis. , 2008, Environmental science & technology.

[28]  Marco Tullio de Vilhena.  An analytical solution of the steady state convective-diffusion equation with space dependent diffusion coefficient , 1992 .

[29]  Stein Erik Skilhagen,et al.  Osmotic power — power production based on the osmotic pressure difference between waters with varying salt gradients , 2008 .

[30]  R. Baker,et al.  Membranes for power generation by pressure-retarded osmosis , 1981 .

[31]  Amy E. Childress,et al.  Power generation with pressure retarded osmosis: An experimental and theoretical investigation , 2009 .

[32]  Thomas Melin,et al.  State-of-the-art of reverse osmosis desalination , 2007 .

[33]  Stein Erik Skilhagen,et al.  Membrane processes in energy supply for an osmotic power plant , 2008 .

[34]  J. McCutcheon,et al.  Influence of concentrative and dilutive internal concentration polarization on flux behavior in forward osmosis , 2006 .

[35]  T. Holt,et al.  The potential for power production from salinity gradients by pressure retarded osmosis , 2009 .

[36]  Amy E. Childress,et al.  Forward osmosis: Principles, applications, and recent developments , 2006 .

[37]  S. Loeb,et al.  A two-coefficient water transport equation for pressure-retarded osmosis , 1978 .

[38]  G. D. Mehta,et al.  Further results on the performance of present-day osmotic membranes in various osmotic regions , 1982 .

[39]  Mario Reali,et al.  Computation of salt concentration profiles in the porous substrate of anisotropic membranes under steady pressure-retarded-osmosis conditions , 1990 .

[40]  Markku J. Lampinen,et al.  Experimental study of the osmotic behaviour of reverse osmosis membranes for different NaCl solutions and hydrostatic pressure differences , 2002 .

[41]  Takeo Honda,et al.  Comparative mechanical efficiency of several plant configurations using a pressure-retarded osmosis energy converter , 1990 .

[42]  S. Loeb,et al.  Internal polarization in the porous substructure of a semipermeable membrane under pressure-retarded osmosis , 1978 .

[43]  Menachem Elimelech,et al.  Modeling water flux in forward osmosis: Implications for improved membrane design , 2007 .