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DuPont™ ADOX® 3125 Now Approved for Microbial Control in Oil and Gas Waters in Canada

Wilmington, Del., January 8, 2014

Product Prevents Bacterial Contamination of Process Water Used in the Oil and Gas Industry

DuPont Chemical Solutions (DuPont) today announced that Health Canada Pest Management Regulatory Agency (PMRA) has approved DuPont™ ADOX® 3125, aqueous sodium chlorite, for bacterial control in waters used in oil and gas operations. 

Sodium chlorite is a precursor of chlorine dioxide (ClO2), the active chemistry responsible for microbial control. ADOX® 3125 is the first ClO2 product to be approved by the PMRA for control of microorganisms in oil and gas systems. ADOX® 3125 had already been in oil and gas system use in the United States with approvals from the Environmental Protection Agency.

Currently, DuPont™ ADOX® 3125 is registered for use in Canada as an antimicrobial in pulp and paper mill water, as well as water in industrial cooling towers. As of Oct. 22, 2013, activated ADOX® 3125 can be used to prevent bacterial contamination of process water used in the oil and gas industry in Canada.  Microbial growth can lead to issues that reduce well performance including souring, microbial-induced corrosion and well fouling.  Treatment of process water with ClO2 before it is injected into the well prevents introduction of microorganisms, allowing maximum well performance and production of oil and gas.

“DuPont continues to lead the industry, providing more sustainable chlorine dioxide solutions to the oil and gas market,” said Thomas Dwyer, business manager for the DuPont Chlorine Dioxide business. “PMRA’s approval of ADOX® 3125 for the generation and use of ClO2 in the oil and gas industry is a sign of DuPont leadership in ClO2 generation and application in a variety of market spaces.”

Utilizing DuPont™ ADOX® 3125 to generate ClO2 is accomplished through the closed-system technology of the DuPont™ OXYCHLOR® ClO2 generator.  The OXYCHLOR® ClO2 generator utilizes the flow of untreated motive water to create a vacuum and draw together the diluted precursor chemicals to safely and effectively generate ClO2. The generated solution is instantly discharged into the main stream water blend to initiate disinfection, minimizing human or environmental exposure.  Additionally, activated ADOX® 3125 is a more sustainable chemistry, breaking down into innocuous components as its end products.

“Utilizing ADOX® 3125 and the DuPont ClO2 generator allows for effective and accurate dosage into the oil and gas production water, saving our customers money on lost product and excess treatment,” commented Francis McCann, North American marketing manager.  “Not only does our technology provide accurate disinfection, but the treated water can be recycled and reused for additional oil and gas operations, providing greater sustainability over other biocides used in the field.”

DuPont – one of the first companies to publicly establish environmental goals more than 20 years ago – has broadened its sustainability commitments beyond internal footprint reduction to include market-driven targets for both revenue and research and development investment. The goals are tied directly to business growth, specifically to the development of safer and environmentally improved new products for key global markets.

DuPont (NYSE: DD) has been bringing world-class science and engineering to the global marketplace in the form of innovative products, materials, and services since 1802.  The company believes that by collaborating with customers, governments, NGOs, and thought leaders we can help find solutions to such global challenges as providing enough healthy food for people everywhere, decreasing dependence on fossil fuels, and protecting life and the environment.  For additional information about DuPont and its commitment to inclusive innovation, please visit http://www.dupont.com.

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