社会的不断发展也带动了科学技术的不断发展。目前,很多现代化装备已经逐步运用到生产发展当中,自动化技术也被应用于不同的社会领域当中。而最近几年,随着人们环保意识的增强,越来越多的人开始聚焦到污水处理方面来,如何处理污水,提高水资源质量成为人们日益关注的问题。为此,本文重点就PLC自动控制系统在污水处理中的应用进行了探究。 The continuous development of society has also led to the continuous development of science and technology. At present, many modern equipment has been gradually applied to the development of production, automation technology has also been applied to different social areas. In recent years, with the enhancement of people’s awareness of environmental protection, more and more people are beginning to focus on the aspects of sewage treatment. How to deal with the sewage and improve the quality of water resources has become a growing concern. Therefore, this article focuses on the application of PLC automatic control system in sewage treatment.