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    • 31. 发明公开
    • 펄스 코로나 방전을 이용한 배가스중 수은 제거 방법
    • 通过脉冲放电排放气体排放的汞的去除方法
    • KR1020090067969A
    • 2009-06-25
    • KR1020070135811
    • 2007-12-21
    • 재단법인 포항산업과학연구원
    • 신동남고동준김경태고경보
    • B01D53/32B01D53/64
    • A method for removing mercury in the flue gas using pulsed corona discharge is provided to effectively remove a trace amount of mercury included in the flue gas by producing an oxidizer for effectively oxidizing elemental mercury using a modified electrostatic precipitator. A method for removing mercury in the flue gas using pulsed corona discharge comprises the steps of: installing a modified electrostatic precipitator having a function of generating plasma for pulsed corona discharge; applying a voltage to the plasma reactor while passing flue gas containing elemental mercury through a plasma reactor(30) within the electrostatic precipitator, thereby reacting the flue gas in the plasma reactor to produce O, O3, Cl, Cl2 and HOCl which promote the oxidation of the elemental mercury to produce mercury of the oxidized form; and removing mercury oxide from the flue gas.
    • 提供了使用脉冲电晕放电来去除烟道气中的汞的方法,通过使用改进的静电除尘器产生用于有效氧化元素汞的氧化剂来有效地除去废气中所含的微量汞。 使用脉冲电晕放电去除烟道气中的汞的方法包括以下步骤:安装具有产生用于脉冲电晕放电的等离子体功能的改进的静电除尘器; 在通过含有元素汞的烟道气通过静电除尘器内的等离子体反应器(30)的同时向等离子体反应器施加电压,从而使等离子体反应器中的烟道气反应产生促进氧化的O,O3,Cl,Cl2和HOCl 的元素汞以产生氧化形式的汞; 并从烟道气中除去氧化汞。
    • 32. 发明公开
    • 연소 후 연소 기체로부터의 수은 제거 방법
    • 燃烧后从燃气中除去汞的方法
    • KR1020090024644A
    • 2009-03-09
    • KR1020080086802
    • 2008-09-03
    • 슈테아그 에너지 서비시스 게엠베하
    • 빙클러,헤르만
    • B01D53/02B01D53/64
    • B01D53/02B01D53/64B01D2253/102B01D2257/602B01D2259/40083
    • A method for removing mercury form flue gas is provided to absorb mercury by directly or indirectly contacting the flue gas to an absorber included in an absorbing agent in order to remove the mercury in combustion equipment such as power equipment and waste burning equipment. A method for removing mercury form flue gas, which flowes from a boiler(1) to a NO removal apparatus(2), comprises the following steps of: contacting mercury included in flue gas to an absorbing agent and absorbing the mercury on an absorber of the absorbing agent; separating the absorber from the absorbing agent; contacting the absorber to an oxidizer, separating mercury from the absorber, and dissolving the mercury to remain as a Hg form in a solution; separating and removing a Hg-enriched solution from the absorber.
    • 提供了一种去除汞形式烟道气的方法,以通过将烟道气直接或间接地接触吸收剂中所含的吸收剂来吸收汞,以便去除诸如电力设备和废弃燃烧设备的燃烧设备中的汞。 一种从锅炉(1)流出到NO去除装置(2)的从汞形成烟道气的方法,包括以下步骤:将烟道气中所含的汞与吸收剂接触并将汞吸收在吸收剂上 吸收剂; 将吸收剂与吸收剂分离; 将吸收器与氧化剂接触,从吸收器中分离汞,并将汞溶解成溶液中的Hg形式; 从吸收器中分离并除去富含Hg的溶液。
    • 33. 发明授权
    • 광촉매를 이용한 중금속 회수장치 및 방법
    • 使用光催化剂回收重金属的方法及其使用方法
    • KR100841965B1
    • 2008-06-27
    • KR1020070006430
    • 2007-01-22
    • 연세대학교 산학협력단
    • 이태규전석호
    • B01D53/94B01D53/02B01D53/64
    • An apparatus and a method for recovering heavy metals using a photocatalyst are provided to recover the removed heavy metals by using an isomer of alcohol after removing the heavy metals from flue gas containing heavy metals including mercury by using a photocatalyst such as titanium dioxide. An apparatus for recovering heavy metals comprises: an inlet(2) for flowing in a flue gas containing heavy metals or a carrier gas containing an isomer of alcohol; a first storage tank(14) which is connected to the inlet, and in which the isomer of alcohol is stored; a second storage tank(16) which is connected to the inlet, and in which the carrier gas is stored; a reactor(4) to which the inlet is connected, in which a photocatalyst(10) is installed to adsorb heavy metals existing in the flue gas flown into the reactor through the inlet, and into which the carrier gas including the isomer of alcohol flows to desorb the heavy metals from the heavy metal-adsorbed photocatalyst; a light source(8) installed adjacently to the reactor to irradiate light onto the photocatalyst installed in the reactor; and an outlet(6) connected to one side of the reactor to exhaust the heavy metal-removed flue gas or discharge the heavy metals desorbed from the photocatalyst. Further, the photocatalyst is TiO2, ZnO2, ZnO, SrTiO3, CdS, GaP, InP, GaAs, BaTiO3, KNbO3, Fe2O3, Ta2O5, WO3, SnO2, NiO, Cu2O, SiO, SiO2, MoS2, InPb, RuO2, CeO2 or a mixture thereof.
    • 提供使用光催化剂回收重金属的装置和方法,通过使用诸如二氧化钛的光催化剂从包含汞的重金属的废气中除去重金属后,通过使用醇的异构体来回收去除的重金属。 一种用于回收重金属的装置包括:用于在含有重金属的烟道气中流动的入口(2)或含有醇异构体的载气; 连接到入口的第一储罐(14),其中储存醇的异构体; 第二储罐(16),其连接到所述入口,并且所述载气储存在所述第二储罐中; 连接入口的反应器(4),其中安装光催化剂(10)以吸附存在于通过入口流入反应器的烟道气中的重金属,并且包含醇异构体的载气流入该反应器 从重金属吸附的光催化剂中解吸重金属; 与反应器相邻安装的光源(8),以将光照射到安装在反应器中的光催化剂上; 和连接到反应器一侧的出口(6),用于排出重金属去除的烟气或排出从光催化剂解吸的重金属。 此外,光催化剂是TiO 2,ZnO 2,ZnO,SrTiO 3,CdS,GaP,InP,GaAs,BaTiO 3,KNbO 3,Fe 2 O 3,Ta 2 O 5,WO 3,SnO 2,NiO,Cu 2 O,SiO,SiO 2,MoS 2,InPb,RuO 2,CeO 2或 的混合物。
    • 37. 发明公开
    • 원소형 수은 배출의 제어 방법
    • 控制元素汞排放的方法
    • KR1020020044537A
    • 2002-06-15
    • KR1020010062157
    • 2001-10-09
    • 더 뱁콕 앤드 윌콕스 컴퍼니맥더모트테크놀로지,인코포레이티드
    • 놀란,폴에스.베일리,랠프티.다운스,윌리암
    • B01D53/64
    • B01D47/06B01D53/64B01D53/78B01D2251/10B01D2251/50B01D2257/602F01N13/004F23J15/003F23J15/02F23J15/04F23J2215/60F23J2217/102F23J2219/40F23J2219/60
    • PURPOSE: A process for enhancing air quality and restoring the environment through the removal of elemental mercury from gases released to or present in the atmosphere, and a method for controlling mercury emissions from flue gases are provided. CONSTITUTION: The method for controlling total mercury emissions in a flue gas comprises the steps of providing a flue gas at a selected temperature and having a certain quantity of elemental mercury; treating the flue gas to convert the elemental mercury to oxidized mercury with at least one of chlorine and aqueous chlorine species; and removing the oxidized mercury from the flue gas subsequent to and separately from the chlorine treatment step, wherein the aqueous chlorine species comprises an oxygen based acid, the selected temperature of the flue gas is between 125 and 200 deg.C, the mercury removing step comprises treating the flue gas with at least one of hydrogen sulfide gas and an aqueous sulfide species, the selected temperature is sufficient to allow use of aqueous species and low-temperature gases in the treating the flue gas to convert the elemental mercury to oxidized mercury, substantially all of the elemental mercury is converted to oxidized mercury, and the aqueous chlorine species comprises a salt of an oxygen based acid.
    • 目的:提供通过从释放到或存在于大气中的气体中除去元素汞来提高空气质量和恢复环境的方法,以及控制烟道气汞排放的方法。 构成:用于控制烟道气中汞总排放的方法包括以下步骤:在选定的温度下提供烟道气并具有一定量的元素汞; 处理烟气以将元素汞转化为具有氯和含水氯物质中的至少一种的氧化汞; 以及在所述氯处理步骤之后除去所述烟道气中的氧化汞,其中所述含水氯物质包含氧基酸,所述烟道气的选定温度为125-200℃,所述除汞步骤 包括用硫化氢气体和硫化物水溶液中的至少一种处理烟道气,所选择的温度足以允许使用含水物质和低温气体来处理废气以将元素汞转化为氧化的汞, 基本上所有的元素汞都被转化为氧化的汞,氯含水量包含氧基酸的盐。
    • 38. 发明授权
    • 가스로 부터 수은가스를 제거하는 장치 및 방법
    • 从气体中去除气体元素的方法和装置
    • KR100318084B1
    • 2001-12-24
    • KR1019997000579
    • 1998-05-22
    • 볼리덴 콘테크
    • 알구린,토켈
    • B01D53/64
    • B01D53/96B01D53/64B01D53/78
    • 본발명은이산화황을포함할수 있는가스로부터원소수은기체를제거하는방법에관계한다. 가스는세정탑에서폐쇄시스템에서순환하며 0.01-300mmol/ℓ의수은(II)이온과두배이상의염소이온을함유한세정액으로처리된다. 가스에존재하는수은원소는산화되어고체염화수은(I)이형성된다. 형성된고체염화수은(I)의일부는염화수은(II)으로산화시키는반응장치에통과된다. 상기산화용염소와상기산화반응에의해형성된수은(II)이온을포착하는액체는반응장치의하부에있는반응지대를상향으로통과하며상기지대는고체염화수은(I)으로완전채워지게유지된다. 염소의양이조절되어서반응지대를상향으로통과하는동안염소가완전소모되게한다. 액체와형성된수은(II) 이온은상기반응지대위에존재하는세정액과합쳐지고합쳐진세정액은증가된수은(II)함량으로폐쇄된순환시스템에통과되어서원소수은의산화동안소모된수은(II)이온의보충물로서상기세정탑에재순환된다. 본방법을수행하는장치는세정탑(11)과탑(11)보다작은단면을가지는반응장치(26)를가진다. 반응장치(26)는탑(11)의하부에연결되며탑(11)의하부에있는액체출구(41)로부터탑(11)의상부에있는액체입구(40)까지세정액의폐쇄된순환시스템을유지시키는수단을가진다. 액체출구(41) 아래의세정탑(11) 하부(42)는반응장치(26)에결합되기위해끝이가늘어지는단면을가진다.