Research on Deleading of Surface of Brass Parts in Drinking Water

As we all know, most of the brass materials used in drinking water systems are lead brass with a lead content of about 3%. The solid lubrication of lead is used to improve the mechanical processing performance of brass in production, reduce processing costs, and improve surface processing quality , Reduce processing costs, and improve the quality of surface processing. However, medical research shows that lead is harmful to the human body without any benefit. If long-term exposure or intake of lead exceeds the standard, it will cause chronic damage to the human body, such as: The human body’s hematopoietic function, central and peripheral nervous system, and kidneys, as the intake of lead increases, there will be regenerative dysfunctions. With people’s control of lead pollution in the air, the lead content in the air has been greatly reduced. For example, in the past 20 years, lead pollution in the air in the United States has been reduced by 70% to 80%. 3. As a result, environmentalists in some developed countries have begun to turn their attention to lead pollution of drinking water, especially drinking water. The brass components used in the water system itself, such as water pipes, faucets, pipe joint valves, etc., existing data indicate that lead in drinking water is mainly brought in through the entire drinking water system, including domestic drinking water pipes.

Under the existing conditions, the purpose of this research is to develop a targeted delead agent on the surface of brass