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Engineering Case

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Wastewater reuse project at a certain electronics factory in Dongshan

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A certain electronics factory in Xiamen

Case Details

Project Overview

The project's raw water source is wastewater from circuit board cleaning, containing small amounts of copper ions (0.67mg/L), nickel ions (0.038mg/L), and ammonia nitrogen; the water quality is complex. A reverse osmosis membrane process is used. Originally, imported anti-pollution membrane elements were used. In 2018, these were replaced with 180 Qinsen High-Tech reverse osmosis series "BW-8040FR" membrane elements. The treated water quality meets the recycled water standard (conductivity <250μs/cm).

Treatment Process