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Is it safe to swim after a membrane sweep? 

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Therefore, it is favorable to operate membrane cleaning before the foulant was consolidated on membrane surface.
It can be concluded that membrane elevation must be carefully executed to avoid membrane perforation, but that if it occurs, it is still possible to continue the procedure safely after repair.
There is no evidence supporting any increase in maternal or foetal morbidity suggesting that membrane sweeping is a safe procedure to offer to all low risk pregnant women.
With a procedure similar to the typical membrane cleaning protocol, in situ membrane regeneration is not expected to noticeably increase the membrane operational burden but can satisfactorily avoid the expensive replacement of the entire membrane module after irreversible fouling, thereby hopefully reducing the overall cost of the membrane-based water-treatment system.
Membrane technology potentially offers the water industry a simple one or two step treatment barrier to overcome all these difficulties leading to a safe, aesthetically pleasing water without chemical use.
The bacterial membrane potential is unaffected in the early stages of wet and dry surface contact, suggesting that the membrane is not compromised until after cell death.
This confirmed that membrane integrity is a conservative and therefore safe parameter for disinfection control.
However, the recovered flux after a long backwash of the membranes fouled with backpulsing is 20–40% lower than that of the membrane fouled without backpulsing, apparently due to greater adhesive internal fouling when the membrane surface is frequently exposed by rapid backpulsing.
The long-term operation reveals that the membrane is more prone to fouling gradually after chemical cleaning.
Open accessJournal Article
M J Wu, K H Shu, Cheng Ch, J D Lian 
6 Citations
Although the use of membrane-filtration PE represents a valuable and relatively safe therapy, some life-threatening reactions do occur.

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