• A: The core principle of system selection is “starting with the end in mind”—determining the system based on your final water quality standards and specific process requirements.
• The most reliable approach is to provide your water source sample and water quality standards; our engineers will then customize a technical solution for you and may conduct pilot testing.

A: Modern intelligent industrial water purification systems have greatly reduced operational complexity and typically do not require dedicated personnel. The key features are:

Automated Operation: The PLC control system enables fully automatic operation, scheduled flushing, chemical cleaning, and level-linked start/stop, and includes remote monitoring capabilities.

Warning and Alerts: The system will issue audible, visual, or mobile app alarms when filter life expires, water quality fluctuates, or pressure is abnormal, prompting preventative maintenance to avoid unplanned downtime.

Standardized Service: We provide annual maintenance service packages, including regular inspections, data analysis, and consumable replacement. Customers only need to contact one designated person.
The core of our maintenance approach is “regular maintenance, not emergency repairs.” We provide basic operation training for our customers and offer detailed maintenance checklists and record sheets.

A: This is usually a “health alert” issued by the system. The main reasons and troubleshooting steps include:

Decreased water flow, increased pressure: This is most likely due to clogging of the pre-treatment filter media (sand, carbon) or safety filter cartridge, or fouling and scaling of the RO membrane. Check if the pre-treatment system is malfunctioning and assess the need for RO membrane cleaning.

Deterioration of water quality (conductivity): Possible reasons include: 1) Decreased performance or damage to the RO membrane; 2) Leakage of the O-ring in the membrane connector; 3) Drastic changes in influent water quality or temperature.

Frequent starts and stops or alarms: Check if the inlet water pressure is insufficient (is the pre-filter clogged?), or if the high and low-pressure protection switches are set correctly.

It is recommended to first record and compare key operating parameters such as “inlet pressure, inter-stage pressure, product water conductivity, and flow rate”. Most problems can be solved through online cleaning (CIP) of the system or replacement of standard consumables. If the problem persists, contact a service engineer for professional diagnosis.

A: Water quality fluctuations are a common challenge, and excellent designs should possess “resilience against fluctuations,” mainly achieved through the following methods:

Strengthened pretreatment with sufficient margin: During the design phase, pretreatment equipment is selected based on historical worst-case water quality data to ensure sufficient buffering capacity to protect the core membrane elements even when turbidity, hardness, and COD increase.

Adaptive adjustment of core equipment: Advanced RO high-pressure pumps are equipped with variable frequency drives (VFDs) that automatically adjust the speed based on inlet water temperature and pressure, stabilizing water production and recovery rates.

Intelligent monitoring and adjustment: Online water quality instruments (pH, SDI, conductivity) provide real-time feedback, allowing the system to automatically adjust the scale inhibitor dosage or trigger enhanced flushing procedures.

Setting up a safety buffer unit: An intermediate water tank is installed before the RO system. When the raw water quality is extremely poor, the system can switch to a backup water source or pause the water intake to gain time for treatment.