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Innovating safer by design
Leading water stewardship
Reducing Operational Failures in Water Treatment
Reverse osmosis (RO) water treatment systems that leverage DuPont's industry-leading FilmTec™ products provide the finest levels of pressurized crossflow filtration but can require a significant amount of cleaning to combat biofouling. Biofouling is the deposition of micro- and macro-organisms on industrial cooling equipment.
In 2021, our Water Solutions business launched DuPont™ B-Free™ technology, a solution that prevents the negative effects of biofouling when installed in new or existing filtration systems.
Unchecked, biofouling causes significant operational and economic problems.
- Operational challenges associated with biofouling include clogged water flow in the cooling water conduits and condenser tubes, reduced heat transfer efficiency, and accelerated pipeline corrosion.
- Economic consequences include frequent systems interruptions, damage to the membranes, additional chemical and energy use, and frequent cleaning-in-place of the RO membranes.
In 2021, our Water Solutions business launched DuPont™ B-Free™ technology, a solution that prevents the negative effects of biofouling when installed in new or existing systems. Applying the DuPont™ B-Free™ pretreatment can reduce required downtime by up to 50%, lower cleaning frequency by up to 75%, and extend the lifetime of the RO membrane elements by up to 200%.
As B-Free™ pretreatment requires only air and water to operate, it is safer by design—for both operators and the environment—replacing the previous use of chemicals required for membrane cleaning.
For each 10,000 m3/day of water treatment capacity, DuPont™ B-Free™ pre-treatment technology will enable yearly savings up to 25,000 kg of CO2 emissions, 10,000 kg of chemicals, and 4,000 m3 of wastewater.
DuPont™ B-Free™ Pretreatment has been awarded the 2021 Sustainability Initiative of the Year and Sustainability Product of the Year by the Business Intelligence Group
The B-Free™ system can it be installed in new plants and as an upgrade to existing systems, including retrofitting existing sand-filter vessels with only minor adjustments.
To learn more about this and other innovations in our business: https://www.dupont.com/brands/b-free-biofouling-prevention.html
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