Why are deep eutectic solvents (DES) considered a green alternative to hexane for thin-film composite (TFC) membrane fabrication?

Label:chem

Topic
Hexane is a volatile, hazardous solvent derived from non-renewable fossil fuel sources, known for its flammability, potential neurotoxicity upon prolonged exposure, and contribution to air pollution through the release of volatile organic compounds (VOCs). Its use violates several key principles of green chemistry. In contrast, deep eutectic solvents (DES) are typically composed of natural, renewable, and environmentally benign components such as choline chloride, urea, and natural organic acids. They are non-volatile, non-toxic, and inherently biodegradable.
Answer
Deep eutectic solvents (DES) are considered a green alternative to hexane because they are naturally derived, low-cost, biodegradable, non-volatile, and non-toxic, making them safer for human health and the environment while minimizing air pollution. This aligns with green chemistry principles, offering a sustainable pathway for membrane production.
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