Secondary reverse osmosis equipment for water treatment and purification

Overview

The secondary reverse osmosis equipment used for water treatment and purification, as the name suggests, is prepared using secondary reverse osmosis technology (RO membrane technology). For example, tap water is used as the inlet water source, and the conductivity of pure water after first stage reverse osmosis RO treatment is less than 10 μ s/cm. The better water quality is less than 5 μ s/cm (RO membrane filtration effluent conductivity=inlet conductivity x desalination rate. Generally, the desalination rate of imported reverse osmosis membranes can reach over 99%, and within 5 years of operation, it can guarantee over 97%.

For those with high requirements for effluent conductivity, two-stage reverse osmosis can be used, followed by simple treatment to achieve a hydraulic conductivity of less than 2 μ s/cm, which meets the national laboratory's third level water standard. After passing through the EDI deionization device and the atomic level ion exchange column for circulating filtration, the effluent resistivity can reach 18.2 M Ω. cm, exceeding the national laboratory first level water standard (GB6682-2008).

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process flow

main components

Scope of application

In the field of bottled and bottled drinking purified water; Beverages, beer and food industries, ordinary cosmetics production water, or other water with the same water quality requirements