i need your advice and help regarding pharmaceutical water treatment unit , i need help for the following details:
1- which better Double RO or RO with EDI?
2- Which better Hot sanitizing or chemical sanitizing?
3- carbon filter for dechlorination or SMBS dosing?
4- the piping of the pre treatment (before RO stage) stainless steel 316L or PVC?
5- RO membrane housing from fiber glass or from stainless steel 316L?
awaiting for your kind reply