MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202441097786 A) filed by Ashok Leyland Limited on December 11, 2024, for A Process Of Recycling Hazardous Waste Oil-Soaked Clothes For Re-Utilization.
Inventors include Prasannakumar N; Anantha Rajan T. S; Sridharan M; Dr. Palavesa Murugan R; Venkatraman. S; Rajesh Chandran B; Stephen Selvakumar A; Antony Peter A; Kaniyavan P; Anand A; Sakthivel D; Saravanan G; Nagarajan C; Parthiban D; Nepolian D; Selvam V; Elangovan S; and Leo Bernard A.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: A PROCESS OF RECYCLING HAZARDOUS WASTE OIL-SOAKED CLOTHES FOR RE-UTILIZATION A process of recycling hazardous waste oil-soaked clothes according to present invention comprising process step (a) of collecting hazardous waste oil-soaked clothes, and process step (b) of segregating waste oil-soaked clothes into moderate hazardous clothes and severe hazardous clothes. A process of treating and recycling the moderate hazardous clothes is carried out, in a first recycling unit, along with a mixture of cleansing agent 1 and water in a range between 15-20 liters per kg of moderate hazardous clothes in process step (c); and subsequently a process of rinsing and cleansing mixture, obtained in step (c), is carried out with cleansing agent 1 and water in first recycling unit for at least 25 to 30 minutes per lot of moderate hazardous clothes in step (d). Further, a process of treating the severe hazardous clothes is carried out, in second recycling unit, with mixture of cleansing agent 2 and water in a range between 15-20 liters per kg of the severe hazardous clothes in process step (e); and subsequently a process of rinsing and cleansing the mixture, obtained in process step (e), is carried out with cleansing agent 2 and water in second recycling unit for at least 25 to 30 minutes per lot of the severe hazardous, wherein said rinsing and cleansing process of the severe hazardous clothes produces non-hazardous clothes in step (f). The non-hazardous clothes obtained, in process steps (d) and (f), undergo draining process by extracting water with hydro-extractor in process step (g). Now, a process of drying of the drained non-hazardous clothes is carried out for removing residue water with a tumble dryer to obtain the dried non-hazardous clothes in process step (h). The dried non- hazardous clothes are stored in storage zone and dispatched to an user end for re-utilization in process step (i). The non-hazardous clothes, obtained in process step (i), can be re-utilized for the pre-determined objectives, such as cleaning of various machineries and elements of thereof, particularly, during maintenance and operations within the manufacturing plants and workshops.
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