Mermer粉尘复合板生产中的应用：吸附条件与Mermer粉尘物理性能的关系

Q4 Engineering

Scientific Mining Journal Pub Date : 2022-01-24 DOI:10.30797/madencilik.1016702

Sedanur Baş, Taki Güler, Selçuk Aktürk

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引用次数: 1

摘要

在板材切割过程中产生的大理石粉尘作为废料，由于增加了反应表面积，造成了严重的环境问题。微粉石英填料在复合板坯中的粒径分布更接近。由于其高硬度，微晶石英的生产是一个能源密集型的过程。研究了大理石粉与石英粉作为填料在复合板坯生产中的适用性。填料混合物经过焙烧，以减轻大理石粉尘硬度低带来的缺点。XRD表征表明，不同焙烧温度和焙烧时间下，焙烧填料中的物相分别为硅灰石、钙石、橄榄石、生石灰和游离石英。通过物理试验阐明了烧结相对板坯性能的影响。当焙烧温度升高至1100℃时，其物理性能可能与焙烧填料中游离石灰的含量有关，出现退步，但在1200℃时达到峰值，物理性能又有所改善。在1200°C时，延长焙烧时间，使其得到改善。与硅灰石和钙橄榄石相比，Larnite和石英在改善物理性能方面更有效。

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Mermer tozunun kompozit plaka üretiminde kullanımı: Mermer tozu içeren dolgu karışımının kavurma koşulları ile plaka fiziksel özellikleri arasındaki ilişki

Marble dust generated during slab cutting as reject causes significant environmental problems due to increased reactive surface area. It has closer size distribution with micronized quartz filler used in composite slab. Owing to its high hardness, micronized quartz production is an energy intensive process. This study was conducted to investigate the applicability of marble dust in composite slab production together with micronized quartz as filler. The filler mixture was roasted to mitigate drawback arising from low hardness of marble dust. XRD characterization revealed that phases in roasted filler were wollastonite, larnite, calcio olivine, quicklime and free quartz depending on the roasting temperature and time. Physical tests were applied to clarify the effect of sinter phases on slab properties. Physical properties were determined to retrogress as the roasting temperature increased to 1100°C possibly due to rate of free lime in roasted filler, and then improved again reaching peak point at 1200°C. They ameliorated by increasing roasting time at 1200°C. Larnite and quartz were determined to be effective on improved physical properties than wollastonite and calcio olivine.

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来源期刊

Scientific Mining Journal Engineering-Industrial and Manufacturing Engineering

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： Scientific Mining Journal, which is published i n open access electronic environment and i n printed, is a periodical scientific journal of Union of Chambers of Turkish Engineers and Architects Chamber of Mining Engineers. The name of the journal was "Mining" until June 2016 and it has been changed to "Scientific Mining Journal" since September 2016 because it can be confused with popular journals with similar names and the ISSN number has been updated from 0024-9416 to 2564-7024. Scientific Mining Journal, published four times a year (March-June-September-December), aims to disseminate original scientific studies which are conducted according to the scientific norms and publication ethics at national and international scale, to scientists, mining engineers, the public; and thus to share scientific knowledge with society. The journal is in both Turkish and English. The journal covers theoretical, experimental, and applied research articles, which reflects the findings and results of an original research i n the field of mining engineering; review articles, which assess, evaluates, and interprets the findings of a comprehensive review of sufficient number of scientific articles and summarize them at present information and technology level; technical notes, which may be defined as a short article that describes a novel methodology o r technique; a case studies, which are based on the theoretical o r real professional practice and involves systematic data collection and analysis.