	US 12,110,238 B2
	Systems and methods for activating and dewatering sludge using acoustic pressure shock waves
Iulian Cioanta, Milton, GA (US); and John Jackson, Buford, GA (US)
Assigned to SANUWAVE, INC., Suwanee, GA (US)
Filed by SANUWAVE, INC., Suwanee, GA (US)
Filed on Feb. 21, 2022, as Appl. No. 17/676,495.
Application 17/676,495 is a division of application No. 16/504,583, filed on Jul. 8, 2019, granted, now 11,254,589.
Application 16/504,583 is a division of application No. 15/351,514, filed on Nov. 15, 2016, granted, now 10,457,571, issued on Oct. 29, 2019.
Application 15/351,514 is a division of application No. 15/230,765, filed on Aug. 8, 2016, granted, now 10,053,376, issued on Aug. 7, 2018.
Claims priority of provisional application 62/202,455, filed on Aug. 7, 2015.
Prior Publication US 2022/0371922 A1, Nov. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 21/00 (2006.01); B01D 9/00 (2006.01); B01D 21/28 (2006.01); B01D 61/02 (2006.01); B01D 65/02 (2006.01); B01D 65/08 (2006.01); B03D 3/04 (2006.01); C01B 5/02 (2006.01); C02F 1/22 (2023.01); C02F 1/36 (2023.01); C02F 1/44 (2023.01); C02F 11/12 (2019.01); C02F 11/15 (2019.01); C02F 101/32 (2006.01); C02F 103/08 (2006.01); G21F 9/06 (2006.01); C02F 1/52 (2023.01)

CPC C02F 1/36 (2013.01) [B01D 9/0004 (2013.01); B01D 9/0009 (2013.01); B01D 9/0036 (2013.01); B01D 9/0081 (2013.01); B01D 21/0006 (2013.01); B01D 21/0012 (2013.01); B01D 21/0084 (2013.01); B01D 21/009 (2013.01); B01D 21/283 (2013.01); B01D 61/025 (2013.01); B01D 65/02 (2013.01); B01D 65/08 (2013.01); B03D 3/04 (2013.01); C01B 5/02 (2013.01); C02F 1/22 (2013.01); C02F 1/441 (2013.01); G21F 9/06 (2013.01); B01D 2313/205 (2022.08); B01D 2313/24 (2013.01); B01D 2321/2066 (2013.01); B01D 2321/30 (2013.01); C02F 1/44 (2013.01); C02F 1/52 (2013.01); C02F 2001/5218 (2013.01); C02F 11/12 (2013.01); C02F 11/15 (2019.01); C02F 2101/32 (2013.01); C02F 2103/08 (2013.01); C02F 2201/008 (2013.01); C02F 2303/04 (2013.01); C02F 2303/16 (2013.01); C02F 2303/20 (2013.01); C02F 2303/22 (2013.01); Y02A 20/124 (2018.01); Y02A 20/131 (2018.01); Y02A 20/144 (2018.01); Y02W 10/30 (2015.05); Y02W 10/37 (2015.05)]

19 Claims

1. A method comprising applying acoustic pressure shock waves that have a compressive phase producing high compressive pressure and a tensile phase producing cavitation bubbles that collapse with high speed jets to sludge in a liquid containment.