... cGMP standard, E.S., USP, China Pharmacopoeia. Reverse osmosis Summarize: Reverse Osmosis is the opposite process of the natural permeation ... solution, which is contacted with the semi permeable membrane. Reverse Osmosis is adopted almost in all industries, including water ... removes ions from aqueous streams, typically in conjunction with reverse osmosis and other purification devices. 1 stage RO+EDI ...