肇庆学院学报
肇慶學院學報
조경학원학보
JOURNAL OF ZHAOQING UNIVERSITY
2012年
2期
28-32
,共5页
造纸污泥%热解%动力学%催化
造紙汙泥%熱解%動力學%催化
조지오니%열해%동역학%최화
sludge%pyrosis%kinetic%catalytic
利用热综合分析仪对造纸污泥在氮气气氛下进行热解和催化热解,研究了造纸污泥的热解、催化热解特性及其动力学.研究结果表明,污泥在氮气气氛下热解的最大失重速率为815.3℃时的一7.89%/mln,同时氮气气氛下的热解在这个温度段只有一个明显失重峰.催化剂对污泥热解的影响主要在中高温度段,催化剂对污泥热解活化能影响的大小排序如下:Mn02〉A1203〉MgO〉Fe203〉CuO〉CaO.
利用熱綜閤分析儀對造紙汙泥在氮氣氣氛下進行熱解和催化熱解,研究瞭造紙汙泥的熱解、催化熱解特性及其動力學.研究結果錶明,汙泥在氮氣氣氛下熱解的最大失重速率為815.3℃時的一7.89%/mln,同時氮氣氣氛下的熱解在這箇溫度段隻有一箇明顯失重峰.催化劑對汙泥熱解的影響主要在中高溫度段,催化劑對汙泥熱解活化能影響的大小排序如下:Mn02〉A1203〉MgO〉Fe203〉CuO〉CaO.
이용열종합분석의대조지오니재담기기분하진행열해화최화열해,연구료조지오니적열해、최화열해특성급기동역학.연구결과표명,오니재담기기분하열해적최대실중속솔위815.3℃시적일7.89%/mln,동시담기기분하적열해재저개온도단지유일개명현실중봉.최화제대오니열해적영향주요재중고온도단,최화제대오니열해활화능영향적대소배서여하:Mn02〉A1203〉MgO〉Fe203〉CuO〉CaO.
The catalytic pyrolysis experiments of paper mill sludge were performed under N2 atmo sphere. The pyrolysis and kinetics of paper mill sludge were studied. The results showed that The maximum rate of weight loss under N2 atmosphere is -7.89%/min when temperature is 815.3 ℃, and pyrolysis is only an obvi- ous weight loss peak in this temperature ranges. The major impact of catalyst on sludge pyrolysis is in high temperature, and the order of impact of catalyst pyrolysis of sludge on the activation energy is:MnO2〉Al203〉 MgO〉Fe203〉CuO〉CaO.