Membrane Filtration
Membrane filtration is a separation process in which a semi-permeable membrane is used to separate particles or solutes from a solvent or liquid stream. In the context of space and astronautical engineering, membrane filtration is used for water purification and wastewater treatment on spacecraft and space stations. The process involves passing the contaminated water through a membrane that allows water molecules to pass through while trapping contaminants such as bacteria, viruses, and other particles. The purified water can then be reused for various purposes, including drinking, cooking, and hygiene. Membrane filtration is a critical technology for long-duration space missions, where water resources are limited and recycling is essential for sustainability.
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