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首页> 外文期刊>International journal of environment and waste management >Reusing red mud waste and low grade bauxite as raw materials for brick manufacturing by experimental design technique
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Reusing red mud waste and low grade bauxite as raw materials for brick manufacturing by experimental design technique

机译：通过实验设计技术重新使用红泥余量和低级铝土矿作为砖制造的原料

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摘要

The main objective of the present research is to reuse red mud (RM) and low grade bauxite for brick manufacturing. Red mud is a waste product of Bayer process. Experimental method was used to optimise brick production and its pressure resistance was evaluated. It was found out that using RM for brick decreased brick quality but it reduces temperature of furnace and retention time of brick in furnace. Experimental analysis suggested a mathematical model for predicting the compressive strength of bricks. On in order to validate the model, compressive strength, XRD and TCLP tests were conducted. Using RM in brick manufacturing reduces retention time of bricks in furnace. Hence, the proposed method for brick making can considerably reduce both energy consumption and greenhouse gases emission in comparison with the traditional manufacturing process. Furthermore, amount of red mud will be decreased.
机译：本研究的主要目的是重用红泥（RM）和低级铝土矿进行砖制造。红泥是拜耳工艺的废物。实验方法用于优化砖产量，评价其耐压性。结果发现，使用RM砖块降低砖质量，但它降低了炉子中砖的温度和保留时间。实验分析表明了一种预测砖抗压强度的数学模型。在验证模型，进行抗压强度，XRD和TCLP测试。在砖块中使用RM制造减少了炉子中砖的保留时间。因此，与传统的制造过程相比，该砖制造方法可大大减少能量消耗和温室气体排放。此外，红泥的数量将减少。

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