垃圾填埋场生产后钙质废弃物的特点及资源化利用理念

Q4 Earth and Planetary Sciences

Mineralogia Pub Date : 2017-12-01 DOI:10.1515/mipo-2017-0019

A. Pajdak, A. Szymanek

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引用次数: 2

摘要

摘要本文介绍了氧化丙烯生产过程中产生的石灰质废弃物的研究结果。所得结果表明，石灰质废物具有相当大的化学多样性，其中Ca, C和Cl占主导地位，它们是该过程的产物。结果表明，在caco3中结合的钙的比例超过20%，表明废物发生了二次碳化过程。形貌和结构分析表明，晶粒的表面积在12%以上，孔隙率在25 ~ 35%之间。反应性测试使得将石灰质废物分类为具有“满意”吸附性能的吸附剂材料成为可能，这些吸附剂不足以有效地用于电力部门。为了使储存的废物得到再利用，有必要通过选择适当的活化方法来提高其吸附能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Characteristics and the Concept of the Utilisation of Post-Production Calcareous Waste Deposited in Landfills

Abstract This article presents the results of research into calcareous waste from the production process of oxide propylene. The obtained results show a considerable chemical diversity of calcareous waste with a predominant percentage share of Ca, C and Cl, which are the products of the process. It was shown that the share of calcium bonded in CaCO3was over 20%, which is indicative of the secondary carbonisation process taking place in the waste. The morphological and structural analyses revealed that the grains had a surface area above 12% and a percentage porosity in the range of 25-35%. The reactivity test made it possible to classify calcareous waste as a material for sorbents of 'satisfactory' sorption properties, insufficient to be effectively used in the power sector. For the stored waste to be reused, it is necessary to improve its sorption abilities through the application of a properly selected activation method.

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来源期刊

Mineralogia Earth and Planetary Sciences-Geology

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： - original papers in the scope of widely understood mineralogical sciences (mineralogy, petrology, geochemistry, environmental sciences, applied mineralogy etc.) - research articles, short communications, mini-reviews and review articles