Background
A pharmaceutical manufacturer’s plant required high purity water for manufacturing their range of various pharmaceutical, cosmetic, and nutraceutical products. The manufacturer selected a process scheme for a high purity water system, comprising of pretreatment followed by two pass reverse osmosis (RO) followed by electrodeionization (EDI). The required high purity water system capacity was 5 m3/hr. At this flow rate, the requirement called for two EDI stacks configuration in parallel operation.
