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  • characteristics of biochar produced from slow pyrolysis of geodae-uksae 1

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
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     this study investigated producing biochar from geodae-uksae 1 for soil applications to sequestrate carbon from the atmosphere and improve the productivity of crops. using a lab-scale packed bed reactor, pyrolysis products of geodae-uksae 1 were produced over a temperature range of 300–700 °c with a heating rate of 10 °c/min. pyrolysis at 500 °c was found appropriate for biochar production considering the properties of char and the amount of heat required. it yielded biochar of 27.2 wt.% that contained approximately 48% carbon in the raw biomass. the surface area of the biochar rapidly increased to 181 m2/g. large cylindrical pores with diameters of 5–40 μm developed within the biochar due to the vascular cell structure of the parent biomass. the byproducts (bio-oil and gases) were also analyzed for use as fuel.

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