Kankia Mubarak Usman, Baloo Lavania, Danlami Nasiru, Mohammed Bashar S, Haruna Sani, Abubakar Mahmud, Jagaba Ahmad Hussaini, Sayed Khalid, Abdulkadir Isyaka, Salihi Ibrahim Umar
Civil and Environmental Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak, Malaysia.
Civil Engineering Department, Bayero University, Kano PMB 3011, Nigeria.
Polymers (Basel). 2021 Nov 27;13(23):4143. doi: 10.3390/polym13234143.
Petroleum sludge is a waste product resulting from petroleum industries and it is a major source of environmental pollution. Therefore, developing strategies aimed at reducing its environmental impact and enhance cleaner production are crucial for environmental mortar. Response surface methodology (RSM) was used in designing the experimental work. The variables considered were the amount of petroleum sludge ash (PSA) in weight percent and the ratio of sodium silicate to sodium hydroxide, while the concentration of sodium hydroxide was kept constant in the production of geopolymer mortar cured at a temperature of 60 °C for 20 h. The effects of PSA on density, compressive strength, flexural strength, water absorption, drying shrinkage, morphology, and pore size distribution were investigated. The addition of PSA in the mortar enhanced the mechanical properties significantly at an early age and 28 days of curing. Thus, PSA could be used as a precursor material in the production of geopolymer mortar for green construction sustainability. This study aimed to investigate the influence of PSA in geopolymer mortar.
石油污泥是石油工业产生的一种废弃物，是环境污染的主要来源。因此，制定旨在减少其环境影响并加强清洁生产的策略对于环境砂浆至关重要。响应面方法（RSM）用于设计实验工作。所考虑的变量是石油污泥灰（PSA）的重量百分比以及硅酸钠与氢氧化钠的比例，而在60°C温度下养护20小时的地质聚合物砂浆生产中，氢氧化钠的浓度保持恒定。研究了PSA对密度、抗压强度、抗弯强度、吸水率、干燥收缩、形态和孔径分布的影响。在砂浆中添加PSA在养护早期和28天时显著提高了力学性能。因此，PSA可作为地质聚合物砂浆生产中的前体材料，以实现绿色建筑的可持续性。本研究旨在探究PSA在地质聚合物砂浆中的影响。
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