使用棕榈油燃料灰作为硅酸铝的原材料

IF 1 Q4 ENGINEERING, CIVIL

Jordan Journal of Civil Engineering Pub Date : 2024-01-01 DOI:10.14525/jjce.v18i1.09

Rehaman Dudekula

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引用次数: 0

摘要

本研究调查了如何利用棕榈油废料作为开发具有氧化铝-硅酸盐特性的碱活化粘合剂的原料。土工聚合物的合成涉及棕榈油燃料灰（POFA）和粉煤灰（FA）的组合，以及硅酸钠和氢氧化钠作为碱活化剂的溶液。研究评估了粘结剂的物理、机械、水传输和热性能，包括氧化物比率对其强度增加特性的影响。POFA-FA 的混合比例为 20:50，NaOH 的摩尔浓度为 12M，达到的最高强度为 54.7 兆帕。实验结果表明，由于粘合剂的致密性限制了水的流动，因此具有良好的输水性能。不过，该材料的隔热性能并不显著，导热系数最低，为 0.59 W/mK。总之，所开发的粘结剂在所研究的技术方面表现良好，具有潜在的工业应用价值。关键词：棕榈油燃料灰碱活化粘结剂废物可持续性输水性能

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Using Palm Oil Fuel Ash as a Source Material for Alumina Silicate

This research investigated the utilization of palm oil waste as a source material for developing an alkaliactivated binder with alumina-silicate properties. The geopolymer synthesis involved a combination of palm oil fuel ash (POFA) and fly ash (FA), as well as sodium silicate and sodium hydroxide as alkali activator solutions. The study assessed the physical, mechanical, water-transport and thermal performances of the binder, including the influence of oxide ratios on its strength-gain characteristic. The highest strength achieved was 54.7 MPa for a blend of POFA-FA in a ratio of 20:50 with a molarity of NaOH at 12M. The experimental results revealed good water-transport performance due to the dense nature of the binder that restricted water movement. However, the material's insulation performance did not produce significant results with the lowest thermal conductivity value of 0.59 W/mK. Overall, the developed binder has potential industrial applications, as it performed well in the technical aspects studied. KEYWORDS: Palm oil fuel ash, Alkali-activated binder, Waste, Sustainability, Water-transport performance.

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来源期刊

Jordan Journal of Civil Engineering ENGINEERING, CIVIL-

CiteScore

2.10

自引率

27.30%

发文量

期刊介绍： I am very pleased and honored to be appointed as an Editor-in-Chief of the Jordan Journal of Civil Engineering which enjoys an excellent reputation, both locally and internationally. Since development is the essence of life, I hope to continue developing this distinguished Journal, building on the effort of all the Editors-in-Chief and Editorial Board Members as well as Advisory Boards of the Journal since its establishment about a decade ago. I will do my best to focus on publishing high quality diverse articles and move forward in the indexing issue of the Journal.