The effect of heat treatment on the catalytic capability of minerals for the oxidation of coal-char prepared from the vitrinite of YX coal and JJ coal was investigated using XRD and TGA. 热处理导致煤焦中碳微观结构的有序化和矿物质催化能力下降,是热处理过程中煤焦反应活性下降的两个主要原因。
By multiple linear regression analysis, the quantitative relationship between vitrinite reflectance distribution and the component of coke optical texture were determined; 通过多元线性回归分析,确定了镜质组反射率分布和焦炭光学组织组成的定量关系;
The TG results show that vitrinite has higher volatile matter yield, maximum weight loss rate and lower initial decomposition temperature and peak temperature than that of interinite. 结果表明:镜质组比惰质组有较高的挥发分收率和较高的最大失重速率,较低的起始热解温度和热解峰温。
In this paper, we calculate the erosion amount of Tertiary-Cretaceous in Sanjiang Basin by mudstone and total acoustic time difference method and vitrinite reflectance method. 文中利用泥岩声波时差和镜质体反射率法计算了三塘湖盆地下白垩统的剥蚀量,两种方法得出的结果吻合较好。
A parameter sensitive to thermal evolution, e. g. vitrinite reflectance, is measured on a certain number of samples from a well. 对热演化敏感的参数,例如,镜质体反射率,可从一口井的一定数量岩样进行测定。
This method has a practical significance if it is used to determine palaeogeotherm in the marine and pre-Devonian strata which are lacking in vitrinite. 在缺乏镜质体的海相地层和前泥盆纪地层中,应用该方法分析古地温更具有实际意义。
This is the first time to obtain the eroded strata thickness of the fourth member of the Shahejie Formation in Huimin Depression, Bohai Bay Basin systematically by means of vitrinite reflectance. 本文使用镜质体反射率法,首次系统地恢复了渤海湾盆地惠民凹陷沙四段地层剥蚀厚度。
It was found that the variation of vitrinite reflectance distribution of the coking-coal will result in the change in coke microstructure which further affects thermal properties of the coke. 实验发现,炼焦煤镜质组反射率分布的变化,引起焦炭显微结构的变化,而焦炭显微结构的变化最终影响焦炭的热性能;
Vitrinite Reflectance and Resume of the Strata Degradation Thickness in Lianyuan Depression in the Middle of Hunan Province 湘中涟源凹陷镜质体反射率与地层剥蚀厚度恢复
The coal quality for cokemaking monitored with vitrinite reflectance is expounded by giving several practical examples in the paper. 本文通过几个应用实例阐述了镜质组反射率在监控炼焦用煤质量的情况。
Controlled by geothermics, the vitrinite reflectance of samples shows an exponential relation with depth. 在地温场的作用下,样品的镜质体反射率与埋深呈指数关系。
Controlling coke quality of Shuicheng Steel Based on reflectance distribution of coal vitrinite 用镜质组反射率分布控制水钢焦炭质量的研究
For stabilization and control of coke quality of Shuicheng steel the research by application of reflectance distribution of coal vitrinite and traditional coal property parameters has been done. 对近年来武钢炼焦单种煤和配合煤进行镜质组反射率分布分析,并对相应焦炭进行显微结构和热性能测试。
The factors influencing the measurement results of vitrinite reflectance and revise 镜质体反射率测定结果的影响因素及其校正
The composition of gas from hydroliquefaction of the parent coal, vitrinite and inertinite is different. 原料煤、镜质组和惰质组在加氢液化过程中所产生的气体在组成上也是有所差异的。
Secondly, there are limitations in the evaluation of source rock maturity when conversing vitrinite group reflectance of marine facies to vitrinite reflectance by fitting formula. 其次,海相镜质组反射率通过拟合公式换算成镜质体反射率评价烃源岩成熟度具有局限性。
Discussion on accuracy of maximum reflectance determination of vitrinite 镜质体最大反射率测定准确性的技术探讨
The hydroliquefaction reactivity of vitrinite is higher than that of inertinite, and the parent coal has the highest hydroliquefaction reactivity among these three feedstocks. 镜质组的液化反应性高于惰质组,在原料煤、镜质组和惰质组这三种实验原料中,原料煤的液化反应性是最高的。
Carbon and hydrogen contents of vitrinite to fusinite vary in one direction. 碳、氢含量由镜质组至丝质组呈单方向变化。
Vitrinite is one of better gas source-rocks, and has medium hydrocarbon-generating potential; 镜质体生烃潜力中等,是一种倾气组分,但也可以生成一定数量的液态烃;
With increasing temperature, the yield of volatile matter of vitrinite and fusinite increased. 随热解温度升高,镜质组和丝质组的挥发分收率增加。
Characteristics of organic inclusions and their homogenization temperature were studied. The relationship between vitrinite reflectance ( R o) and history of geological evolution was analyzed. 研究了有机包裹体及其均一温度的特征,分析了镜质组反射率(Ro)与地质演化史的关系。
The lower limit oil yields are roughly linear to the mass fractions of Vitrinite and Exinite. 低限油收率与镜质组+壳质组组分的质量分率大致呈现线性关系。
Preparation of activated carbon from vitrinite and inertinite concentrated from Datong bituminous coal with specific gravity has been studied. 用密度法分离富集了大同烟煤镜质组和惰质组,研究了大同烟煤镜质组和惰质组制备活性炭性能。
This is also the important reason of anomalous properties of coal and vitrinite of the Taiyuan Formation. 明显的菌藻类低等生物贡献是华北太原组成煤植物组成的一大特点,也是华北太原组煤和镜质组性质异常性的重要原因。
Based on experimental data, the functional relationship between displacement pressure of mudstone and vitrinite reflectance is set up. 本文在大量实验数据的基础上,建立了泥岩排替压力与镜质体反射率之间的函数关系。
The results indicated that vitrinite has higher yield of volatile matter than fusinite. 结果表明:在相同的热解条件下,镜质组比丝质组有较高的挥发分收率。
On the base of detailed research on marine source rocks in China by means of organic petrology and geochemistry, a new maceral marine vitrinite has been confirmed. 应用现代有机岩石学与有机地球化学相结合的方法,通过对我国海相烃源岩的研究,确认了一种新的显微组分&海相镜质体。
The regularity is obvious about the correspondence between mean maximum reflectance of vitrinite and classification of coals. 但总的来说,烟煤镜质组反射率与煤种之间的关系规律性明显。
-This paper analyzed the features of automatic measurement and manual measurement for coal vitrinite reflectance. The automatic measuring method and condition relevant to manual measuring results is given in the paper. 分析了自动测定与人工测定煤镜质组反射率的特点,给出了与人工测定结果相关的自动测定方法和条件。