Q-Center500-2RE Central Ultra Pure Water System, School of Physics, Peking University

Implementation Plan

• Central water purification system: equipped with Q-Center500-2RE central ultrapure water system, using a two-stage RO+EDI+purification process, with municipal tap water as feed water and water production capacity of 500 liters/hour, to prepare ultrapure water with a resistivity of 18.25MΩ·.cm (25℃), which is distributed to various experimental water use points through a circulation pipeline.
• Set up a circulation pipeline, equipped with a constant pressure water supply system and UV sterilization device, to ensure water quality in pipeline network is always fresh and stable.
• Intelligent management system: equipped with an IoT remote monitoring platform, real-time monitoring of system operation status, supporting functions such as mobile phone alarm, water usage statistics, and consumable life prediction.

Implementation results

• Improvement in water quality and experimental results: After the system is put into operation, water quality at each using point is stable and better than the first level water standard of GB6682-2008. The success rate and standardization of basic experimental teaching have significantly improved, with a reduction of over 90% in experimental anomalies caused by water quality issues. The precise instrumental analysis experiments have been ensured with reliable water sources, which has supported the implementation of several innovative experimental projects and provided a solid foundation for the publication of high-level research papers.
• Management efficiency and cost optimization: Centralized water supply meets the peak water demand of multiple laboratories, and even during peak periods when multiple devices are running simultaneously, water pressure and quality remain stable. Intelligent management reduces 90% of manual maintenance and recording work, allowing researchers to focus more on the experiment itself and no longer be distracted by equipment maintenance. Centralized procurement and specialized maintenance have reduced the average annual consumables and maintenance costs by about 35% compared to the decentralized model, while also freeing up laboratory bench space and making the laboratory layout cleaner and more efficient.

Case FAQ