Method to treat nano-filtration membrane retentate for reuse in fracturing and drilling applications

• Main Authors: Mutairi, Abadi A, Dossary, Mona Saad, Chen, Tao, Aljuryyed, Norah W, AlGhunaimi, Fahd Ibrahim, Bataweel, Mohammed A, Aldossary, Hind Saleh
• Format: Patent
• Language: English
• Published: 06.08.2024
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

A process of treating nano-filtration membrane retentate comprises introducing seawater comprising a sulfate ion concentration of greater than or equal to 3000 mg/l to the NF membrane to produce a retentate stream and a permeate stream, wherein the retentate stream has a sulfate ion concentration gr...