US 2016/0304374 A1

Method for removing mercury from washer suspensions

(22) 06.04.2015

(43) 20.10.2016

(57) A method for removing mercury from flue gas in a flue gas desulfurization plant, in which the mercury concentration in the FGD gypsum is reduced without increasing the size of the waste water treatment plant, by increasing the volume-related mercury concentration in the wash wastewater and feeding this more concentrated flow of waste water to the waste water treatment plant.

(71) Andritz AG, Graz (AT)

Issue 6/2018 US 2018/0093220 A1

Method and device for wet flue-gas desulfurization

(22) 01.04.2016 (43) 05.04.2018 (57) In order to heighten the recovery of activated carbon by separation in a flotation device and stably inhibit mercury from being re-emitted in a...

Issue 11/2015 US 2015/0265965 A1

Flue gas treatment apparatus and flue gas treatment method

(22) 28.11.2013 (43) 24.09.2015 (57) A flue gas treatment apparatus for removing sulfur contents contained in combustion flue gas, includes a treatment agent feeder to feed a treatment agent into a...

Issue 7-8/2017 EP 3 170 547 A1

Flue gas desulfurization apparatus and method of operating same

(22) 17.07.2015 (43) 24.05.2017 (57) Provided is a method of operating a flue gas desulfurization apparatus, in which gypsum slurry containing gypsum, which is obtained by bringing sulfur oxide...

Issue 3/2020 WO 2019/232195 A1

Flue gas desul- furization system and method for performing flue gas desulfurization

(22) 30.05.2019 (43) 05.12.2019 (57) A flue gas desulfurization (FGD) system in which a buffering additive feed directly adds a buffering additive containing acetic acid to either the FGD sump or a...

Issue 06/2024 US 2024/0190716 A1

Systems and methods to recover value-added materials from gypsum

(22) 18.01.2024 (43) 13.06.2024 (57) Disclosed herein are systems and methods from processing flue gas desulfurization (FGD) gypsum feedstock and ash feedstocks, either separately or together. FGD...

ZKG 12/2016