This paper introduces the common pollution and cleaning methods that affect the performance of composite membranes. When preparing the cleaning solution, add drugs and cleaning water in proportion.

We all know that in our daily life, like a kettle or a bottle, there will be residual scale when it takes too long. With this, scale will attach to it when boiling water.

The government bears huge subsidies. The price of tap water will even be higher than the cost of brackish water desalination, and the cost of seawater desalination will be solved.

鈶� Water quality is easy to change after removal; 4.3 See Table 3 for specific project standard limits of surface water sources of centralized domestic drinking water.

length1 km=0.621 miles 1 meter=3.281 feet=1.094 yards 1 cm=0.394 inches1 mile=1.609 km 1 foot=0.3048 m 1 inch=2.54 cm1 nautical mile=1.852 kilometers 1 yard=0.9144 meters 1 foot=12 inches1 yard=3 fee

Can sewage and waste water only be discharged into rivers through sewage pipes? At present, the production equipment is being manufactured abroad. The project was constructed in three phases.

What is the "laboratory" ultrapure water machine? Quantitative water intake switch, etc.2.A. The water quality of tap water must meet the requirements of the Code for Domestic Water;

China has accelerated the pace of developing the desalination industry. Far water cannot quench near thirst. Related industry cooperation is one of the solutions.

Third, the product quality is poor and the technical level is low. Few enterprises can undertake the contracting of sewage treatment projects and complete sets of equipment.

The reporter interviewed Chen Lianggang, vice president of China Membrane Industry Association, on the current situation of membrane technology and the development prospects of the industry.