Comment PDF Water Treatment

High-Purity Water Simplified

By Jeff Holland, Rich Jarrett and Alan Knapp |

There are a number of process technologies available to meet the strict standards for high-purity water in different industrial sectors It is easy to think that the water coming out of our faucets can be used anywhere. Although potable water provided by a municipality is treated and held to specific safety and health standards, it often contains impurities that can have a significant impact on certain manufacturing processes and end products (Figure 1). This article reviews how water is purified for industrial use, why high-purity water is needed in different markets and how to maintain water quality over time. FIGURE 1. Many industrial processes demand water of higher purity than what is typically provided by municipalities, so additional treatment steps are often required[/caption] Purifying water for industrial use There are a variety of systems and methods available to achieve differing degrees of water purification. Some methods are simple, such as media or carbon filtration, while other systems are far more complex, such as reverse osmosis and ultrafiltration. Typical components of a water purification system include the following: Activated carbon — Water is filtered through carbon to remove organic material and chlorine Particle…
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