In my country, with the rapid development of industry and the increase of water consumption, recycled water has become an important means of saving water resources. Industrial circulating cooling water accounts for 70% to 90% of the total industrial water consumption. With the wide use of scale inhibitors, in order to adapt to the application of various industries, many different types of scale inhibitors with different properties have been produced. This article will take you to learn about scale inhibitors.
First of all, what is a scale inhibitor?
Scale inhibitor is a class of agents that can disperse insoluble inorganic salts in water, prevent or interfere with the precipitation and scaling of insoluble inorganic salts on metal surfaces.
What are the main components of reverse osmosis scale inhibitor?
Reverse osmosis scale inhibitors mainly include some natural dispersants, phosphonic acid, phosphine carboxylic acid and phosphine sulfonic acid, and high molecular polymers, while the vast majority of scale inhibitors and dispersants currently used are high molecular polymers. They can disperse insoluble inorganic salts in water, prevent or interfere with the deposition and scaling of insoluble inorganic salts.
Due to the short action time of reverse osmosis antiscalants, the antiscalants are required to quickly interact with scaling ions, so they are required to be fast and efficient; in addition, due to the narrow channels in the membrane, if the polymer dispersants are used, it will cause greater problems; at the same time, the antiscalants The process is a concentration process on the membrane surface, and if the impurity content is high, it will also affect the stable operation of the system.
