Abstract
A novel, single-stage Pressure Assisted Osmosis system capable of broad-spectrum removal of anionic and cationic contaminants from water is described in this article. The system has demonstrated a high removal efficiency of over 95 % for anions such as sulfate and cations such as calcium and magnesium. It has also demonstrated a removal efficiency of over 90 % for monovalent anions such as carbonate and chloride. The modular system is characterized by a high degree of process intensification. The portable set-up attempts to merge several parts like feed cells, membrane assembly, and external force media into one compact unit. Another design feature was the operational flexibility of mechanical force addition. The portable device demonstrated sustained solvent flux without the usage of electric power. The proof of the concept of experimental studies with real-time operational aspects like reverse salt diffusion is described in this work.
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