Category Archives: Water Treatment

Why is Corrosion Control so Important?

In the realm of water treatment, ensuring the safety and quality of drinking water is paramount. One critical aspect of this is controlling corrosion within water distribution systems, a key factor in meeting the Environmental Protection Agency’s (EPA) Lead and Copper Rule compliance. Effective corrosion control not only protects public health but also extends the lifespan of water infrastructure, thereby reducing long-term costs and supporting municipalities across the nation.

 

Understanding the Lead and Copper Rule

The EPA’s Lead and Copper Rule, established in 1991, aims to minimize lead and copper levels in drinking water. Lead and copper primarily enter the water supply through the corrosion of plumbing materials containing these metals. When corrosion occurs, lead and copper can leach into the water, posing significant health risks, particularly to vulnerable populations like children and pregnant women. As well as this, updates to this rule are still forthcoming, the last being in October of 2024. To remain compliant with new regulations, water systems must stay vigilant.

 

The Role of Corrosion Control

Corrosion control is a preventative measure that involves adjusting the water chemistry to prevent the leaching of metals from pipes into the drinking water. This can be achieved through several methods, including:

• pH Adjustment: Optimizing pH level to reduce the solubility of lead and copper.
• Corrosion Inhibitors: Adding chemicals, such as phosphates, can curb corrosion by forming a protective barrier inside pipes.
• Alkalinity Control: Balancing alkalinity to stabilize pH levels and reduce corrosivity.

 

Strategies for Effective Corrosion Control

Implementing an effective corrosion control program involves a multi-faceted approach that combines material selection, water treatment chemicals, regular monitoring and maintenance, pH and alkalinity adjustment, and public education.

Choosing non-corrosive materials like plastic or stainless steel, applying protective coatings, and adding chemicals such as phosphates to form a protective film inside pipes are essential steps. Consistent monitoring of water quality parameters and regular system maintenance help manage corrosion by-products, while adjusting pH and alkalinity reduces water corrosivity. Public education about these efforts fosters transparency and community support. Effective implementation of these strategies requires technical expertise, advanced products, and a commitment to continuous improvement, which Hawkins, Inc. excels at providing.

 

The Hawkins, Inc. Advantage

Founded in 1938, Hawkins, Inc. has built a legacy of excellence in the chemical industry. Our almost century-long experience has allowed us to

develop a deep understanding of the unique challenges associated with water treatment and corrosion control. Hawkins approaches customer challenges scientifically leveraging our in-house laboratory services. As well as this, our in-house formulating and manufacturing capabilities empower us to produce effective and efficient products consistently. By controlling the production process, we ensure that our corrosion control products are of exceptional quality and reliability. This level of control allows us to respond quickly to the ever-evolving needs of our clients and the regulatory landscape.

 

Meeting Customers’ Expectations Comes First

What truly sets Hawkins apart is our customer-centric approach to doing business. We believe in building strong, lasting relationships with our clients, centered on trust, transparency, and exceptional service. Our team of experts works collaboratively with municipalities and water treatment facilities to tailor solutions that precisely meet their needs.

 

Conclusion

Corrosion control is a vital component in achieving EPA’s Lead and Copper Rule compliance and safeguarding public health. At Hawkins, Inc., we are dedicated to providing superior products and services that make this possible. Our in-house expertise, commitment to quality, and extensive industry experience set us apart as a trusted partner in water treatment. Together, we can ensure safe, clean drinking water for communities across the nation. Thank you for your time in reading this article – we look forward to helping you improve your water treatment processes!

For more information on how Hawkins, Inc. can assist with your corrosion control needs, please contact us at (877) 795 8719 or fill out a contact form on our corrosion control page!

 

About Hawkins

Hawkins, Inc. was founded in 1938 and is a leading specialty chemical and ingredients company that formulates, distributes, blends and manufactures chemicals and ingredients for its Industrial, Water Treatment, and Health & Nutrition customers.  We create value for our customers through superb service and support, quality products, and personalized applications.

Proper Set-Up of a Chlorine Room for Safe and Effective Use and Storage

At Hawkins, Inc., we understand the critical importance of safety and efficiency when it comes to the use and storage of chlorine in water treatment facilities. Chlorine is a powerful disinfectant widely used in both potable water and wastewater treatment, but its handling requires meticulous attention to detail to ensure safety and effectiveness. This blog outlines key considerations for setting up a chlorine room, focusing on environment, proper equipment usage, and emergency protocols.

 

Temperature Control

A crucial aspect of chlorine room setup is maintaining an appropriate temperature. Chlorine gas is highly reactive and can become unstable at higher temperatures, posing significant risks. Chlorine containers should be stored at a normal indoor temperature of 60° to 70°F (15° to 20°C) to facilitate effective gas discharge. The temperature in these areas must never exceed 130°F (54°C) to avoid the risk of melting the chlorine containers’ fusible plug and potential overpressure. Ongoing monitoring of temperature and not installing space heaters in your chlorine room are excellent practices to mitigating this risk.

 

Proper Ventilation

Proper ventilation is essential for safety in chlorine rooms. Ventilation requirements should be determined on a site-specific basis, often guided by fire or building codes. Exhaust air intake should be located at or near floor level since chlorine gas is heavier than air and will collect at lower levels. The exhaust air discharge should be positioned at a safe location. An elevated fresh-air inlet must be provided and should be positioned to ensure adequate cross-ventilation

 

Gas Feed Equipment Maintenance

Regular maintenance of gas feed equipment is essential to prevent malfunctions and ensure safety. Chlorinators, which are used to feed chlorine gas into water, must be installed correctly to avoid liquid chlorine carryover. Any liquid chlorine entering the gas chlorinator can cause severe damage and safety hazards. Recommendations include keeping the storage room at a stable temperature, creating a schedule for both regular inspections and routine preventative maintenance, protecting gas piping from cold drafts, and considering low-level heat tracing for steel pressure piping.

 

Leak Detection Systems

Installing leak detection systems in chlorine rooms is a proactive measure to enhance safety. These systems can quickly identify the presence of dangerous chlorine gas or elevated temperatures and trigger alarms, allowing for immediate response to potential leaks. Monitors should be designed and maintained to alert on-site personnel or remote responders in the event of a release. Regular calibration and periodic testing are necessary to ensure the reliability of these systems.

 

Chlorine Scales

Using scales to monitor the amount of chlorine in containers is another key aspect of chlorine room management. Scales provide accurate measurements of chlorine usage and help detect any discrepancies that may indicate leaks or other issues. Regular checks and maintenance of the scales are recommended to maintain their accuracy and reliability.

 

Emergency Protocols

Having robust emergency protocols in place is critical. This includes having CI Emergency Kits or Cylinder Recovery Vessels and trained responders to stop or contain chlorine leaks. Automatic actuators or valves, which can be activated by a chlorine monitor, fire alarm, or remote switch, are also recommended. These devices are now required by various fire and building codes and play a crucial role in minimizing risks during a chlorine leak.

 

Conclusion

Setting up a chlorine room involves a comprehensive approach to safety and efficiency. By adhering to these guidelines, water treatment facilities can ensure the safe use and storage of chlorine, protecting both their employees and the community they serve. At Hawkins, Inc., we are committed to providing the best practices and solutions for chlorine management, supporting our customers in maintaining secure and effective water treatment operations.

For more detailed information on chlorine safety and handling, refer to the Chlorine Institute’s guidelines and resources.

 

About Hawkins

Hawkins, Inc. was founded in 1938 and is a leading specialty chemical and ingredients company that formulates, distributes, blends and manufactures chemicals and ingredients for its Industrial, Water Treatment, and Health & Nutrition customers.  We create value for our customers through superb service and support, quality products, and personalized applications.