Northern Fluminense State University, Laboratory of Advanced Materials, Group of Ceramic Materials, Av. Alberto Lamego 2000, Campos dos Goytacazes-RJ, Brazil.
J Environ Manage. 2012 Jun 30;101:7-12. doi: 10.1016/j.jenvman.2012.01.032. Epub 2012 Mar 2.
This work investigates the recycling of sugarcane bagasse ash waste as a method to provide raw material for clay brick bodies, through replacement of natural clay by up 20 wt.%. Initially, the waste sample was characterized by its chemical composition, X-ray diffraction, differential thermal analysis, particle size, morphology and pollution potential. Clay bricks pieces were prepared, and then tested, so as to determine their technological properties (e.g., linear shrinkage, water absorption, apparent density, and tensile strength). The sintered microstructure was evaluated by scanning electron microscopy (SEM). It was found that the sugarcane bagasse ash waste is mainly composed by crystalline silica particles. The test results indicate that the sugarcane bagasse ash waste could be used as a filler in clay bricks, thus enhancing the possibility of its reuse in a safe and sustainable way.
本研究旨在探讨如何回收甘蔗渣灰废物，将其作为粘土砖坯体的原料，通过用 20wt.%以上的甘蔗渣灰替代天然粘土。首先，通过化学组成、X 射线衍射、差示热分析、粒度、形态和污染潜力对废物样本进行了表征。制备了粘土砖试件，并对其进行了测试，以确定其工艺性能（如线性收缩率、吸水率、表观密度和拉伸强度）。通过扫描电子显微镜（SEM）评估了烧结微观结构。结果表明，甘蔗渣灰废物主要由结晶二氧化硅颗粒组成。测试结果表明，甘蔗渣灰废物可用作粘土砖的填料，从而提高了以安全和可持续的方式对其进行再利用的可能性。
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