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    • 4. 发明公开
    • FRACTIONATION METHOD FOR DIOXINS
    • 丙二醇二恶英
    • EP2871476A4
    • 2016-04-27
    • EP13885973
    • 2013-05-27
    • MIURA KOGYO KK
    • FUJITA HIROYUKINAKAMURA HIROFUMI
    • G01N30/88B01D15/08B01D15/18B01J20/08B01J20/10B01J20/20B01J20/28B01J20/32G01N33/03
    • G01N33/03B01D15/08B01D15/12B01D15/1871B01D15/206B01J20/08B01J20/103B01J20/20B01J20/28052B01J20/3236B01J2220/42B01J2220/54
    • The interior of a fractionating tool (200) for fractionating dioxins is packed with a purification layer (220) and an adsorption layer (230). The adsorption layer (230) includes a first adsorption layer (240) including an activated carbon-containing silica gel layer (241) and a graphite-containing silica gel layer (242), and a second adsorption layer (250) including an alumina layer (251). When a solution of dioxins is injected into the purification layer (220) and is supplied with an aliphatic hydrocarbon solvent, the solvent dissolves dioxins in the solution of dioxins and passes through the purification layer (220) and the adsorption layer (230). In this process, non-ortho PCBs, PCDDs and PCDFs among dioxins are adsorbed to the first adsorption layer (240), and mono-ortho PCBs among dioxins are adsorbed to the second adsorption layer (250). As a result, dioxins are fractionated into a group including non-ortho PCBs, PCDDs and PCDFs, and mono-ortho PCBs.
    • 用于分馏二恶英的分馏工具(200)的内部装有净化层(220)和吸附层(230)。 吸附层(230)包括含有活性炭的硅胶层(241)和含石墨的硅胶层(242)的第一吸附层(240)和包含氧化铝层的第二吸附层(250) (251)。 当将二恶英溶液注入纯化层(220)中并供给脂族烃溶剂时,溶剂溶解二恶英溶液中的二恶英并通过净化层(220)和吸附层(230)。 在这个过程中,二恶英中的非邻位PCBs,PCDD和PCDF被吸附到第一吸附层(240)上,二恶英中的单邻位PCB被吸附到第二吸附层(250)。 结果,将二恶英分解成包括非邻位多氯联苯,PCDD和PCDF以及单邻苯二甲酸酯的组。
    • 6. 发明公开
    • SOLUTE EXTRACTION DEVICE
    • 提取装置溶解的物质
    • EP2975376A4
    • 2016-03-23
    • EP13890865
    • 2013-08-23
    • MIURA KOGYO KK
    • FUJITA HIROYUKINAKAMURA HIROFUMI
    • G01N30/08G01N1/40
    • G01N30/08B01D15/10G01N2001/4061G01N2030/009G01N2030/085
    • A solute trapping column (300) including a first trapping agent layer (340) and a second trapping agent layer (350) packed with a space interposed therebetween has a first branched pathway (320) extending from an upper part of a main body part (310) thereof, and a second branched pathway (330) extending from between the trapping agent layers, and with its upper part a purification column (200) is connected. Upon injection of a solution of dioxins into the purification column (200), followed by supply of a developing solvent, dioxins flow into the solute trapping column (300) from the purification column (200) and are trapped by the trapping agent layers. An extraction solvent supplied from the lower end side of the solute trapping column (300) while keeping both the purification column (200) and the first branched pathway (320) blocked to the atmosphere extracts the dioxins trapped by the second trapping agent layer (350) and flows into the second branched pathway (330). An extraction solvent supplied in a similar manner while keeping both the purification column (200) and the second branched pathway (330) blocked to the atmosphere extracts the dioxins trapped by the first trapping agent layer (340) and flows into the first branched pathway (320).