... giardia, and most (but not all) inorganic contaminants.Reverse osmosis successfully treats water with dissolved minerals and metals such as ... (VOCs) as benzene, MTBE, trichloroethylene, trihalomethanes, and radon. Essentially, reverse osmosis is capable of rejecting bacteria, salts, sugars, proteins, particles, dyes ... the more likely it will be rejected. Seawater Desalination Reverse Osmosis Plants