NDLI: Destruction of organic Cl and Br compounds through incineration enhanced by alkali and alumina addition

Content Provider	SpringerLink
Author	Takata, Mitsuyasu Watanabe, buhisa Yamamoto, Shuhsaku
Copyright Year	2015
Abstract	Thermochemical destruction of organic Cl and Br compounds in a combustion system was studied. A Cl compound and three Br compounds, namely, 1,2,3,4-tetrachlorobenzene (TeCB), 1,2,4,5-tetrabromobenzene (TeBB), tetrabromobisphenol A (TBBPA), and decabromodiphenyl ether (DBDE) were used. The samples on a boat were combusted at 600 °C followed by gas combustion at 800, 900, and 1,100 °C. An off-gas was adsorptively collected and introduced into a Cl and Br detector by thermal desorption. The destruction efficiency was evaluated using the organic halogen residual ratio (OX-RR) (μg g−1). Halogenated benzene compounds such as TeCB and TeBB were destructed moderately (OX-RR for these compounds at 800, 900 and 1,100 °C was 112, 35 and 32 μg g−1 and 258, 57 and 48 μg g−1, respectively); on the other hand, the destruction of TBBPA and DBDE, namely fire retardants, was difficult (OX-RR at 800 °C for these compounds was 7,159 and 718 μg g−1, respectively). Addition of an alkali and an alumina to a sample enhanced the destruction of organic compounds drastically by several times. This destruction enhancement occurred at temperature as low as 600 °C. Such chemical halogen control is effective to thermal destruction of organic Cl and Br compounds.
Starting Page	282
Ending Page	289
Page Count	8
File Format	PDF
ISSN	14384957
Journal	Journal of Material Cycles and Waste Management
Volume Number	17
Issue Number	2
e-ISSN	16118227
Language	English
Publisher	Springer Japan
Publisher Date	2015-02-15
Publisher Place	Tokyo
Access Restriction	Subscribed
Subject Keyword	Organic chlorine Organic bromine PCBs Incineration Destruction Civil Engineering Waste Management/Waste Technology Environmental Management
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Waste Management and Disposal

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