Desalinated Water Quality Monitoring & Membrane Protection System | GAIMC

The Critical Role of Water Quality Monitoring in Desalination

Desalination water treatment is the core technology for coping with global water shortage and pollution. It not only alleviates the pressure of industrial water use, but also promotes seawater desalination and high-salt wastewater resource utilization. By accurately monitoring water quality, process parameters can be optimized, equipment life can be extended, and water quality can be guaranteed to meet standards, thereby achieving efficient recycling of water resources and promoting green manufacturing and ecological civilization construction.

Intelligent Desalination Water Monitoring & Management System

The water quality instrument monitors the pH, conductivity, dissolved oxygen, suspended solids and other water quality parameters in the entire desalted water treatment process, and transmits the real-time water quality status to the back-end monitoring system via RS485 for real-time management and monitoring. At the same time, combined with data analysis, it can warn of abnormalities in advance (such as membrane pollution, resin failure), optimize the dosage of reagents and process parameters, and ensure that the effluent meets the standards. It can not only extend the life of the equipment and reduce energy consumption, but also ensure water safety, achieving efficient, economical and sustainable water resource management.

Key Monitoring Parameters for Membrane & System Protection

Continuous monitoring of these critical parameters is essential for protecting expensive reverse osmosis membranes and ion exchange resins, ensuring system efficiency and product water quality.

1. Conductivity

Reflects the ion concentration in water and is the core indicator for measuring desalination effect. The lower the conductivity, the less ions there are in the water. If the conductivity increases, it will lead to membrane pollution or resin failure.

2. pH Value

The indicators reflecting the pH value of water affect the exchange efficiency of ion exchange resins and the stability of membranes. Excessively high pH may accelerate resin scaling, while too low pH may corrode the membrane material.

3. Hardness

By monitoring the hardness, the softening process can be adjusted in time to avoid the formation of scale layers caused by the combination of calcium and magnesium ions with acid radicals, which leads to reduced membrane flux and thus prolongs the membrane life.

4. Turbidity & Suspended Solids

These parameters reflect water clarity and particulate content. High levels will cause pollutants to deposit on the membrane surface, forming a fouling layer, reducing membrane flux and increasing operating pressure, ultimately shortening membrane life. Monitoring them allows for adjustment of coagulant dosage or sedimentation time to improve pretreatment efficiency.

5. Dissolved Oxygen

Important parameters reflecting the natural environment and REDOX conditions of water bodies. An increase in dissolved oxygen content can promote the metabolic activity of bacteria, but at the same time, it may also accelerate the membrane degradation.