Clean Produced Water with Chlorine Dioxide

In the oil and gas industry, managing produced water is a significant challenge. This byproduct of oil and gas extraction contains a complex mixture of substances, including oil residues, salts, and various chemicals, making its treatment and disposal a critical environmental concern. However, the advent of chlorine dioxide (ClO2) as a treatment solution is transforming produced water from a waste product into a resource that can be safely reused or discharged. This blog post explores the benefits of using chlorine dioxide to clean produced water, underscoring its effectiveness, efficiency, and environmental advantages.

Why Chlorine Dioxide?

Chlorine dioxide is a potent oxidizing agent known for its exceptional ability to disinfect and purify water. Unlike chlorine, ClO2 does not react with organic compounds in water to form harmful chlorinated byproducts, such as trihalomethanes (THMs) and haloacetic acids (HAAs), which are associated with health risks. Instead, chlorine dioxide effectively destroys bacteria, viruses, and protozoa, and it can also oxidize sulfides, iron, and manganese, which are commonly found in produced water.

Benefits for the Oil and Gas Industry

  1. Effective Disinfection: ClO2 thoroughly eliminates microbial contaminants, including sulfate-reducing bacteria (SRB) and acid-producing bacteria (APB), which can cause corrosion in pipelines and storage tanks. Its broad-spectrum biocidal activity ensures produced water is clean and safe for reuse or discharge.

  2. No Harmful Byproducts: The use of ClO2 minimizes environmental impact by avoiding the formation of harmful disinfection byproducts. This makes it an environmentally responsible choice for companies looking to enhance their sustainability practices.

  3. Improved Water Reuse: Treated produced water can be reused in various applications, such as agricultural irrigation, industrial processes, or even as a fracturing fluid in further oil and gas extraction. This not only conserves freshwater resources but also reduces the costs associated with water procurement and disposal.

  4. Regulatory Compliance: With stricter environmental regulations surrounding produced water disposal, ClO2 treatment helps companies meet these requirements, avoiding potential fines and facilitating a more sustainable operation.

Implementing Chlorine Dioxide Treatment

Integrating ClO2 into existing water treatment processes is straightforward, thanks to modern, scalable systems that can be customized to meet the specific needs of each facility. These systems generate chlorine dioxide on-site and deliver it precisely where it’s needed, ensuring efficient and cost-effective treatment. Moreover, the ability to control dosing in real-time allows for adaptability to varying water quality, maximizing treatment effectiveness.


As the oil and gas industry continues to seek more sustainable and efficient ways to manage produced water, chlorine dioxide emerges as a leading solution. Its ability to clean water effectively, without harming the environment or posing health risks, positions ClO2 as an indispensable tool in water treatment. For companies looking to adopt this innovative technology, PureLine offers expertise and advanced solutions tailored to the unique challenges of produced water treatment. Contact PureLine today to learn more about how chlorine dioxide can revolutionize your water management practices, ensuring cleaner water and a cleaner environment.