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AssigneeConopco, Inc.
InventorsSuresh Sambamurthy Jayaraman, Kirtan Shravan Kamkar, Lalit Kumar, Amit Sah, Rudra Saurabh Shresth
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In particular a porous substrate (FS) like a fabric. Process to clean a substrate, comprising a step of subjecting the substrate to an air-water spray (SPR), generated using a spraying means (N) comprising an air passage (OPA) and a water passage (OPW), wherein air is greater than 90% by volume of the spray, the air velocity is greater than 80 m/s and wherein said air passage does not coaxially surround said water passage. Device to clean soiled fabric (FS) comprising a feed water container (CW) and an air compressor (AC) in fluid communication with a spray nozzle (N) comprising an air passage and a water passage, said device being capable of generating an air pressure in the range of 1 to 3 bar (absolute) and an air velocity greater than 80 m/s at the exit of said nozzle; and the air is greater than 90% volume of said spray, and wherein said air passage does not coaxially surround said water passage. An external mix spray nozzle is especially preferred in the device.
A process to clean a substrate comprising a step of subjecting the substrate to an air-water spray, generated using a nozzle (N) comprising an air passage (PA) and a water passage (PW), wherein air is greater than 90% and up to 99.95% by volume of the spray, the air velocity is greater than 80 m/s and wherein outlet port for air (OPA) and outlet port for water (OPW) in the nozzle (N) are offset from one another with respect to the substrate;
Dependencies are inferred from the claim text.