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- W2550641569 abstract "At a laboratory scale by means of a direct osmosis process the desalination of a synthetic seawater was evaluated. This system employed a commercial osmotic and a synthetic osmotic agent prepared from sugar/anhydrous glucose 50/50%w/w and magnetic nanoparticles modified with carboxymethyl cellulose (MNp-CMC). According to measurements from dynamic light scattering, nanoparticles exhibited a hydrodynamic size of 173±53nm. A desalinated water flux of 1,3LMH was determined by the addition of 112,5mg/mL of MNp-CMC to the synthetic osmotic agent, showing an increase of 9.2% as compared to the one obtained without the use of the nanoadditives. Additionally, the magnetic decantation of the nanoparticles by applying an external electromagnetic field was evaluated. Although a concentration decrease of nanoparticles in the water effluent after eight cycles of magnetic separation was detected; by atomic absorption spectroscopy a concentration of 227mg Fe/L in the desalinized water was identified, which is higher than the maximum iron content allowed in drinking water (0.3mg Fe/L), showing that more work is required in order to improve the process of magnetic separation for the application of magnetic nanoadditives in the desalinization of water by direct osmosis systems." @default.
- W2550641569 created "2016-11-30" @default.
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- W2550641569 date "2016-06-30" @default.
- W2550641569 modified "2023-09-27" @default.
- W2550641569 title "Implementación de ósmosis directa y nanoaditivos magnéticos para desalinización de agua" @default.
- W2550641569 doi "https://doi.org/10.31910/rudca.v19.n1.2016.226" @default.
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