Kedondong垃圾和Bobos垃圾作为水泥原料的特性,Cirebon,西爪哇,印度尼西亚

J. Marin, T. Winarno, Shofiana Nadia Fairuz
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引用次数: 0

摘要

水泥材料在建筑中的使用量每年都在持续增加,消耗大量原材料,并在熟料生产中排放二氧化碳。为了消除这种负面影响,需要替代材料。垃圾是由富含硅铝的火山岩形成的天然火山灰。作为补充胶凝材料,垃圾具有足够的耐久性,降低了水泥混合物中的熟料比例,更加环保。本研究旨在确定Kedondong垃圾和Bobos垃圾,Cirebon,西爪哇作为原料的火山灰水泥的特性和组成。采用岩石学和XRD分析方法确定了岩石的矿物学特征。进行了XRF分析以确定化学成分以及其他测试以确定垃圾质量。Kedondong的碎屑形成于安山岩侵入岩和安山岩角砾岩,Bobos的碎屑形成于高岭岩-安山岩侵入岩。矿物学分析表明,石英、斜长石、辉石、角闪石、水晶石的矿物组成相似。XRD分析表明,各样品中均含有丰富的方石英和钇石。地球化学结果证实了这一矿物学特征,样品中SiO2 + Al2O3含量大于70%,SO3含量小于4%。测试的其他化学特性包括水分含量、着火损失和粘土含量,所有这些参数都符合水泥材料的工业标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characteristics of Kedondong Trass and Bobos Trass as Cement Raw Material, Cirebon, West Java, Indonesia
The use of cement materials in construction continues to increase every year, consumes lots of raw material and emits CO2 from clinker production. To eliminate this negative effect, alternative materials are needed. Trass is natural pozzolan which is formed from silica-alumina rich volcanic rocks. As supplementary cementitious material, trass is sufficiently durable and reduce clinker proportion in cement mixture, thus more environmentally friendly. This research aims to determine characteristics and composition of Kedondong trass and Bobos trass, Cirebon, West Java as raw material for pozzolan cement. The study was conducted using petrography and XRD analysis to determine mineralogy of rocks. XRF analysis was carried out to determine chemical composition as well as other tests to determine trass quality. Kedondong trass is originated from andesite intrusion and andesitic breccia, while Bobos trass is formed from hypersthene-andesite intrusion. Based on mineralogy analysis, trasses have similar mineral composition consist of plagioclase, quartz, pyroxene, hornblende, and sanidine. XRD analysis shows abundance of cristobalite and tridymite from each samples. This mineralogy is confirmed by geochemistry result, which is the samples contain more than 70% SiO2 + Al2O3 and less than 4% SO3. Other chemical characteristics that have been tested are moisture content, ignition loss, and clay content in which all of those parameters meet the industrial standard for cement material.
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