US 2020/0398218 A1

Exhaust gas treatment method and exhaust gas
treatment apparatus

(22) 10.01.2019

(43) 24.12.2020

(57) This invention provides a continuous liquid phase type wet exhaust gas treatment method for removing sulfur oxides from exhaust gas and collecting it as gypsum, which method is simple and humidifying liquid is uniformly sprayed into exhaust gas with it. The method is characterized in that humidifying liquid is injected downwardly in a region where exhaust gas flows vertically downwardly.

(71) Chiyoda Corporation, Yokohama-shi, Kanagawa (JP)

(73) Chiyoda Corporation, Yokohama-shi, Kanagawa (JP)


Related articles:

Issue 3/2020 WO 2019/225202 A1

Treatment method for reducing carbon dioxide discharge amount of combustion exhaust gas

(22) 11.04.2019 (43) 28.11.2019 (57) The present invention pertains to an efficient method for refining sodium carbonate using natural sodium carbonate ore comprising Na2CO3 and NaHCO3, and a method...

Issue 3/2021 WO 2021/019754 A1

Method and apparatus for producing desulfurizing agent, and method for removing sulfur dioxide from cement kiln exhaust gas

(22) 01.08.2019 (43) 04.02.2021 (57) [Problem] To provide a method and an apparatus for producing a desulfurizing agent, and a method for removing sulfur dioxide from cement kiln exhaust gas, enabling...

Issue 6/2021 WO 2021/124231 A1

Method of processing exhaust gas

(22) 18.12.2020 (43) 24.06.2021 (57) In a method of processing exhaust gas containing CO2, such as exhaust gas from a cement production plant, the following steps are carried out: – burning fuel in...

Issue 4/2023 KR102512130 (B1)

Exhaust gas pollutant treatment device by withdrawal cement kiln circulating material and treatment method thereof

(22) 24.10.2022 (43) 22.03.2023 (57) Processing pollutants from flue gas with some of the circulated materials that adversely affect the firing process among the high-temperature combustion gas and...

Issue 10/2019 WO 2019/137737 A1

Pollutant reduction of exhaust gases in the thermal treatment of materials

(22) 17.12.2018 (43) 18.07.2019 (57) The invention relates to a method for reducing pollutants in exhaust gases during thermal material treatment, in particular for clinker production, in which the...