US 11,980,845 B2
Flue gas cleaning solution purification system and method thereof
Soo-Tae Lee, Busan (KR); Su-Kyu Lee, Busan (KR); and Jae-Bong Sung, Busan (KR)
Assigned to Panasia Co., Ltd., Busan (KR)
Appl. No. 17/255,802
Filed by Panasia Co., Ltd, Busan (KR)
PCT Filed Jun. 28, 2019, PCT No. PCT/KR2019/007922
§ 371(c)(1), (2) Date Dec. 23, 2020,
PCT Pub. No. WO2020/005030, PCT Pub. Date Jan. 2, 2020.
Claims priority of application No. 10-2018-0074449 (KR), filed on Jun. 28, 2018.
Prior Publication US 2021/0146298 A1, May 20, 2021
Int. Cl. B01D 53/14 (2006.01); B01D 21/00 (2006.01); B01D 21/01 (2006.01); B01D 21/24 (2006.01); B01D 21/32 (2006.01); B01D 29/68 (2006.01); C02F 1/00 (2023.01); C02F 9/00 (2023.01); C02F 11/122 (2019.01); C02F 11/125 (2019.01); C02F 1/52 (2023.01)
CPC B01D 53/1425 (2013.01) [B01D 21/0012 (2013.01); B01D 21/0024 (2013.01); B01D 21/0045 (2013.01); B01D 21/01 (2013.01); B01D 21/2444 (2013.01); B01D 21/32 (2013.01); B01D 29/682 (2013.01); B01D 53/1481 (2013.01); C02F 1/008 (2013.01); C02F 9/00 (2013.01); C02F 11/122 (2013.01); C02F 11/125 (2013.01); B01D 2201/082 (2013.01); C02F 1/001 (2013.01); C02F 2001/007 (2013.01); C02F 1/5281 (2013.01); C02F 2201/005 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A flue gas cleaning solution purification system comprising:
a scrubber configured to remove contaminants from flue gas by using a cleaning solution so as to form a contaminated cleaning solution;
a cleaning solution purification system comprising a settling tank fluid coupled to the scrubber so as to receive the contaminated cleaning solution therefrom during use, the settling tank configured to separate the contaminated cleaning solution during use into a supernatant water and a sludge obtained by settling of the contaminants contained in the contaminated cleaning solution;
a cleaning solution resupply line extending from the cleaning solution purification system back to the scrubber;
a supernatant water storage tank fluid coupled to the settling tank for receiving the supernatant during use;
a filter configured to filter the supernatant water during use; and
a supernatant water outlet pipe having first end fluid coupled to the supernatant water storage tank and an opposing second end that branches into a first supernatant water outlet branch pipe fluid coupled to the filter and a second supernatant water outlet branch pipe fluid coupled to the cleaning solution purification system or to the cleaning solution resupply line.