Презентация Use of chlorine онлайн

Содержание слайда: Use of chlorine Aruzhan, Zukhra, Diana, Zayra – CH-2

Содержание слайда: Water chlorination Chlorine is a highly disinfectant. It kill disease-causing pathogens, such as bacteria, viruses, and protozoans. The microscopic agents of many diseases such as cholera, typhoid fever, and dysentery killed countless people annually before disinfection methods were employed routinely. Chlorine is a strong oxidizing agent Chlorine kills via the oxidation of organic molecules. Chlorine and hydrolysis product hypochlorous acid are neutrally charged and therefore easily penetrate the negatively charged surface of pathogens. It is able to disintegrate the lipids that compose the cell wall and react with intracellular enzymes and proteins, making them nonfunctional. Microorganisms then either die or are no longer able to multiply.

Содержание слайда: The effect on humans: Increased Risk of Cancer – Haloacetic acids (HAAs) and Trihalomethane (THMs). Hazardous for Your Children’s Health – it can potentially increase the risks asthmatic attacks particularly in children who do not have improved airway systems; developed tumors in their intestines and kidneys; can cause irritation and burn the skin as well. Cell Damage Increases the Risk of Asthma – Sneezing; Tightness in chest; Weak cough; Mild sore throat; Increased dryness in throat; Irritation in nasal passages. Results in Heart Problems

Содержание слайда: Harmful effects of unchlorinated water:

Содержание слайда: Advantages and disadvantages of chlorination of water +