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다이옥신 배출 저감 기술 현황: 활성탄 주입 기술을 중심으로
채호진(Ho Jin Chae),조성빈(Seong Bin Jo),김태영(Tae Young Kim),이수출(Soo Chool Lee),김재창(Jae Chang Kim) 한국에너지기후변화학회 2020 에너지기후변화학회지 Vol.15 No.2
The incineration ratio of municipal waste is gradually increasing for the treatment of the rapidly increasing waste. Waste incineration has the risk of releasing various pollutants, but among them, the emission of dioxin is the most strongly regulated. The formation mechanism of the dioxins are classified by gas phase synthesis at high temperatures (homogeneous pathway) and de Novo synthesis at relatively low temperatures (heterogeneous pathway). High temperature synthesis is closely related to furnace, and low temperature generation is closely related to energy recovery units and/or air pollution control devices (APCDs). In order to minimize the generation of dioxins in the furnace, it was considered that homogenization of the waste, optimization of operating conditions, using inhibitors, etc. And the APCDs was considered including activated carbon injection method, decomposition method by catalytic reaction, and decomposition method using other electrical technique. In this paper, we will look around the recent technological trends in these emission reduction technologies, and discuss the latest research trends focused on the use of activated carbon injection + bag filter system, which are currently the most widely used emission reduction technologies.
채호진(Ho Jin Chae),이수출(Soo Chool Lee),이예지(Yeji Lee),김재창(Jae Chang Kim) 한국에너지기후변화학회 2020 에너지기후변화학회지 Vol.15 No.1
Dioxin was first known to the world as an impurity agent of the defoliants used in the Vietnam War. It is known to be one of the most dangerous environmental pollutants that cause hormone imbalance even at very low concentrations, leading to the deterioration of reproductive function and malformation of reproductive organs. Among various sources of dioxins, solid waste incinerators are known to be the largest emission sources. In Korea, dioxin emissions have been regulated in waste incinerators since 1999, and waste incineration facilities have been forced to reduce dioxin emissions through various methods. In order to minimize the emission of dioxin from the incineration facilities, the reducing technologies are classified as follows: the homogenization of the waste (step 1), the minimization of dioxin generation through complete combustion in the incinerator (step 2), the suppression of dioxin re-synthesis in the incinerator and post-treatment processes (step 3), and finally, the installation of the flue gas treatment utilities for reducing dioxin (step 4). In order to reduce dioxin emissions considering economic efficiency, it is desirable to optimize the unit processes from a medium-integrated point of view. When designing a new incineration facility or deriving improvement points of existing facilities, it is important to select suitable flue gas treatment utilities, considering the characteristics of each unit process before the flue gas treatment steps. In this paper, we introduce the various methods before the flue gas treatment steps and the flue gas treatment utilities, respectively.
An Effect of Water Vapor on Sulfur Dioxide Removal Property of Potassium-Based Dry Sorbents
Chae Ho Jin(채호진),Lee Soo Chool(이수출),Cho Min Sun(조민선),Jo Seong Bin(조성빈),Kim Tae Young(김태영),Lee Chul Ho(이철호),Kim Hyun Ji(김현지),Ryu Min Young(류민영),Kim Jae Chang(김재창) 한국에너지기후변화학회 2018 한국에너지기후변화학회 학술대회 Vol.2018 No.11