Advances in batch reverse osmosis
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ID
147560
Owner
Purdue University
Uploaded by
WIPO GREEN Admin
Type
Technology
Source
User uploads
Published
2022/10/16
Updated
2022/11/22
Email Owner
Purdue University
Traditional reverse osmosis (RO) relies on a constant flow of pressurized water fed through a membrane. Batch (RO) is a technique that processes water in batches, first releasing the outputs before taking in the next batch. But the breaks between batches – during which time no water is produced – may increase costs substantially. Researchers have now developed a variant of batch (RO) that uses a double-sided piston. While one side of the piston pushes seawater forward to be treated, the other side simultaneously fills the next batch of seawater to be treated, and so on. The resultant reduction in downtime could enhance the commercial viability of batch (RO), while also significantly reducing the energy consumption of desalination processes.
Getty Images /©TerryJ
Getty Images /©TerryJ
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