You will typically require a ...

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You will typically require a coagulant upstream of the filtration system, be it MMF or UF. It is advisable to automate the coagulant addition by using a streaming current monitor so as to optimise the dosage and to ensure optimum organic removal. 

I'm assuming the wash cycle water is being discarded and it's only the rinse water that is being recycled, so residual surfactant won't be an issue. 

It isn't necessary to perform RO or disinfection if your intention is to reuse the water in the laundry.