A STUDY OF INFLUENCE OF CENTRIFUGE-SEPERATED LIQUID OF ZnCl2 TO ROCK-EVAL PYROLYSIS
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摘要: 本研究利用台湾三峡地区裕峰煤样探讨ZnCl2分离液对煤热解分析(Rock-Evalpyrolysis)结果的影响.样品分成3份,其一为原煤样(P1),其二为浸泡过ZnCl2分离液后直接晾干之煤样(P2),最后为浸泡过ZnCl2分离液并经水洗除ZnCl2之煤样(P3).初步结果显示;游离烃(S1)和热解烃(S2)在煤粒中直呈均匀分布.ZnCl2分高液对某些热解参数的测定有明显影响如S1、S2、Tmax值、TOC值及HI值,但对Ip值(产率指数)并没有影响.至于经水清洗ZnCl2后之煤样,上述的热解多数除Ip值有明显下降外,几乎都可恢复如原煤样(P1)之值.Abstract: The influence of ZnCl2,a centrifuge-separation liquid,to Rock-Eval pyrolysis was studied.Coal sam ple were collected from Yu-Feng mine in San-Hsia area,northern Taiwan.The sample was crushed and then divided into three parts namely P1,P2 and P3 respectively.P1 is the original coal sample;P2 had been immersed in ZnCl2 liquid and then dried up in room temperature;P3 is similar to P2,but had been water washed be fore drying up.Preliminary results show that both S1 and S2 were evenly distributed in coal par ticles.Significant differences in S1,S2,Tmax,TOC and HI was observed for P2 sample,but not Ip(production index)value.After cleansing ZnCl2 by water-washed,P3 showed that the previous pyrolysis pa rameters,except Ip still dropping,can be resumed to those of P1.
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