Technical guide for engineers: Accurately diagnose RO deposits (calcium carbonate, silica, biofilm) and select an effective cleaning solution.

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A comprehensive guide to chemical cleaning and descaling of industrial equipment — a variety of methods, detergents, safety tips, and an introduction to the MDA0102 cold miter as a safe, on-line solution. Increase efficiency, reduce costs, and protect equipment.

In industries such as oil, gas and petrochemical, there is always an attempt to prevent the formation of deposits using different methods in equipment such as heat exchangers and boilers. In this field, a lot of money is spent on chemical materials and additives. But most industrial heat exchangers are exposed to sedimentation due to various reasons such as the low quality of water in different areas. These deposits are mostly formed in the pipes of the converters. In order to reduce the losses caused by sedimentation, the converter must be continuously monitored and cleaned.

Boiler feed water should be free of hardness. Sometimes, due to the short or improper operation of the hardness device or the failure to regenerate the resins in time, some hardness enters the boiler feed water. Increasing the water temperature in the boiler reduces the solubility of water solutes. The water near the hot surfaces becomes saturated and the conditions for deposition of less soluble substances are provided and eventually sediment is formed.

One of the methods of producing fresh water for industrial use is the use of multi-stage thermal desalination plants to desalinate seawater. Due to the high content of soluble and insoluble compounds in seawater and the high temperature shock in desalination packages, sedimentation in these packages is unavoidable. For this reason, periodic sediment removal from desalination plants should be performed.

When water is used as a thermal fluid, the salts and hardness in the water are separated due to the temperature shock and settle on the surfaces, forming deposits. These deposits are one of the most important factors of erosion and corrosion in heating and cooling installations.

The most important method for preventing sediment formation is to improve the quality of water used in various industries. This method is carried out in various forms such as sedimentation, filtration, deaeration, degreasing, using the under-water rinsing method, and softening the water used.