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LONDON - Sulnox Group Plc (Aquis:SNOX) has been granted a European patent covering 39 countries for its fuel oil reclamation technology, the company announced Thursday.
The patent protects the company's "Sulnox Reclaim" product, which utilizes an improved oil/water separation methodology incorporating the firm's green emulsification technologies. This follows earlier patents secured in Nigeria and Eurasia earlier in 2025.
The technology addresses the maritime industry's challenge of managing "ship slops" - oily wastewater from onboard operations including tank cleaning, fuel purification, and ballast water management. These slops typically contain approximately 70% water mixed with heavy fuel oil (HFO).
According to the company, its separation process can reduce typical processing times from 10-12 hours to approximately three hours, require lower temperatures for separation, produce cleaner recovered water, and yield recovered oil with less than 1.5% water content compared to traditional methods that often leave 5% or more.
"This third fuel reclamation patent, covering Europe, is a critical addition to our intellectual property, supporting and accelerating our strategy of diversifying the company's sources of revenue," said Ben Richardson, CEO of Sulnox, in the press release statement.
The company noted that the global demulsifier market, which includes technologies used to separate water from fuel oil, is estimated to grow from $2.4 billion in 2024 to approximately $3.2 billion by 2031, citing VMR as the source.
Sulnox currently holds patent protection in over 50 markets covering various formulations that enhance liquid hydrocarbon fuels, including diesel, gasoline, fuel oils, biofuels, and various marine fuels.
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