Salinity gradient —drives→ Pressure-retarded osmosis

Conditions

• a semipermeable membrane with fresh water on one side and seawater pressurised below its osmotic pressure on the other

Evidence · 2

1. [1]
   S. Loeb. Osmotic power plants (1975)

   Science 189, 654–655 · doi:10.1126/science.189.4203.654 · crossref ✓ 2026-09-19 · record
2. [2]
   J. W. Post, et al.. Salinity-gradient power: Evaluation of pressure-retarded osmosis and reverse electrodialysis (2007)

   Journal of Membrane Science 288, 218–230 · doi:10.1016/j.memsci.2006.11.018 · crossref ✓ 2026-09-19 · record

Matrix cells this relation feeds

D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.

Uses of this claim

• Pressure-retarded osmosis plantprototype · 7 steps

• Salinity gradient → Pressure-retarded osmosis → Hydraulic pressure → Aerodynamic and hydrodynamic lift → Mechanical motion → Mechanical work5/5 established · extends a recorded pathway
• Salinity gradient → Pressure-retarded osmosis → Hydraulic pressure → Aerodynamic and hydrodynamic lift → Mechanical motion → Electromagnetic induction → Charge carriers → Electrical work7/7 established · extends a recorded pathway

Cite this claim

Physical Transformation Atlas (2026). claim claim:salinity-drives-pro: Salinity gradient —drives→ Pressure-retarded osmosis. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/claim/salinity-drives-pro

Ids and matrix addresses are stable across revisions; the revision hash identifies the exact canonical files the record was compiled from and is meta.data_hash in every /api export. Reuse terms: see the license field in any export.