Characterisation of carbonate lake sediments as a potential filler for polymer composites

IF 3.8 4区工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY Green Processing and Synthesis Pub Date : 2023-01-01 DOI:10.1515/gps-2022-8082

Grzegorz Borkowski, A. Martyla, Marta Dobrosielska, P. Marciniak, Julia Głowacka, Daria Pakuła, E. Gabriel, R. Przekop

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引用次数: 1

Abstract

Abstract The purpose of the study was to determine whether lake sediments could be a potential raw material for the plastics industry. The examined samples were obtained in a complex process of sediment collection from Lake Swarzędzkie located in the region of Wielkopolska, Poland, followed by granulometric analysis by sieving and quartz grain shape analysis, with preparation of geotechnical sheets. The works involved the examination of physico-chemical characteristics of carbonate lake sediments and the analysis of impact of the sediments’ depth extraction on their chemical composition and physico-chemical properties. The lake sediment consists mainly of calcium carbonate (CaCO3) and can be a potential filler for plastics. Tests were carried out to determine chemical composition of the sediments and their thermal stability. The thermogravimetric analysis showed the three stages of the thermal decomposition. Sediments in deeper layers of the lake are characterised by the presence of not only CaCO3 and silica, but also other chemical compounds, including aluminosilicates. In addition, as the depth increases, the average size of sediment particles changes, with the main fraction particle size being the smallest for the material from the 6–12 m depth. Additionally, carbon content systematically decreases with increasing depth.

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碳酸盐湖沉积物作为聚合物复合材料潜在填料的特性

摘要本研究的目的是确定湖泊沉积物是否可能成为塑料工业的潜在原料。所检查的样品是在波兰维尔科波尔斯卡地区SwarzÉdzkie湖沉积物采集的复杂过程中获得的，随后通过筛分和石英颗粒形状分析进行粒度分析，并制备岩土工程图纸。这些工作包括检查碳酸盐湖沉积物的物理化学特征，并分析沉积物的深度提取对其化学成分和物理化学性质的影响。湖泊沉积物主要由碳酸钙（CaCO3）组成，可以作为塑料的潜在填料。进行了测试，以确定沉积物的化学成分及其热稳定性。热重分析显示了热分解的三个阶段。湖泊深层沉积物的特征不仅是存在CaCO3和二氧化硅，还存在其他化合物，包括铝硅酸盐。此外，随着深度的增加，沉积物颗粒的平均尺寸也发生了变化，6-12层的主要颗粒尺寸最小 m深度。此外，碳含量随着深度的增加而系统地降低。

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来源期刊

Green Processing and Synthesis CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL

CiteScore

6.70

自引率

9.30%

发文量

审稿时长

7 weeks

期刊介绍： Green Processing and Synthesis is a bimonthly, peer-reviewed journal that provides up-to-date research both on fundamental as well as applied aspects of innovative green process development and chemical synthesis, giving an appropriate share to industrial views. The contributions are cutting edge, high-impact, authoritative, and provide both pros and cons of potential technologies. Green Processing and Synthesis provides a platform for scientists and engineers, especially chemists and chemical engineers, but is also open for interdisciplinary research from other areas such as physics, materials science, or catalysis.