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Jan Post Spin-offs Blue Energy

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  • 1. 10/9/2013 Blue Energy: emerging applications make the global potential even higher Jan Post 9-10-2013 combining scientific excellence with commercial relevance Potential work from mixing 1m3 dilute and 1m3 concentrate concentration of diluted salt solution (mol/l) 0.50 0.40 3.0 MJ 0.30 6.0 0.20 9.0 0.10 12.0 15.0 0.0 1.0 2.0 3.0 4.0 5.0 concentration of concentrated salt solution (mol/l) File 106 2 1
  • 2. 10/9/2013 concentration of diluted salt solution (mol/l) 0.50 0.40 3.0 MJ 0.30 6.0 0.20 9.0 0.10 12.0 15.0 0.0 1.0 2.0 3.0 4.0 5.0 concentration of concentrated salt solution (mol/l) 2
  • 3. 10/9/2013 Applicability in the Dutch Delta File 106 5 Emerging applications appearing worldwide Use of free energy using RED technology • • • • Low energy desalination Waste heat to electricity Energy from gas emissions Electrical energy storage File 106 6 3
  • 4. 10/9/2013 Use of free energy for lowenergy (seawater) desalination Li, et al., Applied Energy, 104 (2013) 592-602 7 File 106 Low-heat to electricity using salinity gradients From: Luo et al, Electrochemistry Communications 19 (2012): 25 - 28 File 106 8 4
  • 5. 10/9/2013 CO2 emissions to electricity Hamelers, et al., Environ. Sci. Technol. Lett., 1 (2013) File 106 9 Electrical Energy Storage File 106 10 5
  • 6. 10/9/2013 Scalability 0.50 200 / 400 households 7h concentration of diluted salt solution (mol/l) 1 olympic size segmented swimming pool National level 7h 0.40 3.0 MJ 0.30 6.0 0.20 9.0 0.10 12.0 15.0 0.0 2 reservoirs of 10 km2 (25m depth), or 1 reservoir at sea 1.0 2.0 3.0 4.0 5.0 concentration of concentrated salt solution (mol/l) 1 MW off-shore windmill 3h cubic reservoir with 20 m ribbons File 106 11 Relation with Blue Energy File 106 12 6
  • 7. 10/9/2013 Relation with Blue Energy • Share technology development • Unique issues: round trip efficiency, depth of discharge, fluid compositions • Advantages: – – – – – No pre-treatment needed Can be further optimized (almost lab-conditions) Higher energy density Applicable everywhere, smaller scale as well Less political, environmental, societal issues File 106 13 File 106 14 7
  • 8. 10/9/2013 Blue Energy: emerging applications make the global potential even higher Jan Post 9-10-2013 combining scientific excellence with commercial relevance 8

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