石炭科学会議発表論文集
Online ISSN : 2423-8309
Print ISSN : 2423-8295
ISSN-L : 2423-8295
第39回石炭科学会議
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77.石炭の熱分解過程における塩素の脱離挙動
坪内 直人王 延輝大塚 康夫
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p. 171-172

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Release of HCl during temperature programmed pyrolysis at 10℃/min of a bituminous coal and anthracite has been studied with an on line analyzer. The profiles for the rate of HCl formation depend strongly on coal type, showing the main peak at 470℃ with the former coal and the sharp and shoulder ones at 300-350℃ with the latter sample. Both coals provide high conversions (90-100%) to HCl up to 800℃. The sharp peak at 300℃ almost disappear after NH_3 washing. The rate profiles are slightly changed in the range of 2.5-10℃/min. It is suggested that Cl functionality is one of the key factors to determine HCl formation.

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© 2002 一般社団法人 日本エネルギー学会
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