An overview of water and environmental pollutants and hospital wastes

Nowadays, one of the biggest challenges of mankind is to obtain safe drinking water. Due to the limited access to healthy water resources and the development of human societies, the increasing need to purify and clean natural water resources is felt more and more. In this way, various methods have been proposed to remove water pollutants, each of which has its own advantages and disadvantages. In this article, the most important pollutants in underground water, surface water and drinking water are introduced in detail, and the harmful effects of each of them on human health and the natural cycle of the earth's ecosystem are investigated. There are increasing worldwide concerns about the negative impacts of healthcare waste generated in hospitals, especially in low- and middle-income countries. Hazardous type of waste can contribute to adverse effects both in human populations and the environment because of its physical, chemical, and biological characteristics. This article is an introduction to the discussion of wastewater treatment, Water Desalination and Hospital wastes. • Investigating an overview of water and environmental pollutants. • Investigating application of hospital wastes. • Investigating applications of common standards for measuring water pollutants.