MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202611070006 A) filed by Noida Institute Of Engineering And Technology Niet on June 04, 2026, for Integrated Modular System For Transformer Oil Wastewater Treatment Using Gravity Separation And Automated Demulsification.
Inventors include Dr Chhaya Agarwal; and Shalakha Singh.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: The present invention discloses an integrated modular system and method for treating transformer oil-containing wastewater generated during transformer accidents and maintenance in power systems. The system comprises a multi-compartment gravity oil separator with adjustable removable baffles, an automated oil-layer sensing and discharge unit with a capacitance-based sensor and programmable logic controller, a continuous-flow chemical demulsification reactor using an organosilicon polyether demulsifier, and an adaptive dosing control unit with inline effluent quality sensing and variable-speed dosing. Under optimal gravity separation conditions of volume ratio 2:1:1, flow rate 0.0055 L/s, and initial water level 5 cm, the effluent oil concentration is reduced to 0.020 mg/L with removal efficiency above 99.99%. Under optimal demulsification conditions of pH 3–5, dosage 300 mg/L, and temperature 50°C, the demulsifier achieves 95.09% demulsification efficiency and 99.50% dehydration rate. The staged combination enables efficient treatment of transformer oily wastewater.
Disclaimer: Curated by HT Syndication.
