1.5.5 Ozone Technology
Utilize ozone technology to treat water and purify air in multiple applications resulting in clean, fresh water and air while reducing the use of harsh chemicals and detergents and lowering energy needs. Ozone can be used to sanitize swimming pools, replace detergent in laundry facilities, and to disinfect potable water on-site at hospitals. It can also be used to purify and deodorize air in buildings.
Ozone molecules consist of 3 oxygen atoms (O3) and are much less stable than oxygen molecules (O2). The third oxygen atom will leave the other two and react with whatever material it comes in contact with. This reaction kills or neutralizes bacteria and viruses, oxidizes metals, and produces oxygen and carbon dioxide when it comes in contact with organic material.
Due to its unstable nature, ozone is manufactured on-site rather than bottled and shipped. It is created in an ozone generator by one of two primary methods: UV (passing ambient air over an ultraviolet lamp) or CD (passing dried oxygen-containing gas through an electrical field – a corona discharge). For water treatment, the created ozone mixes with process water and after suitable contact time, is filtered and pumped through to the water source. For air treatment, gaseous ozone mixes with polluted air breaking down pollutants into benign substances and leaving clean oxygen (O2).
Ozone systems require higher first costs but can be more economical over time when compared to the repeated purchasing of chemicals for cleaning. Ozone can also reduce energy costs in laundering because it does not require using hot water. Using ozone for air purification can reduce energy needs due to decreased need for forced outside air to meet indoor air requirements.
Ozone has a strong oxidizing power with a short reaction time. After ozone oxidizes or disinfects, it decomposes into oxygen and benign substances which are much cleaner and safer byproducts compared to using chlorine.
Due to its strong oxidizing properties, ozone is a primary irritant and exposure can be dangerous. Ozone generators and water treatment systems increase the space requirements for laundry and pool filtering equipment.
3.1.1 Waste Water Treatment
4.2.2 Toxic Gas Emissions