Pigment Recovered from Iron Rich Mine Water for use in Colored Concrete

Q4 Mathematics
AL Tau, J. Maree, SL Letjiane, A. Adeniyi, M. Onyango
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引用次数: 0

Abstract

 Abstract — Acid mine water contains high concentrations of Fe 3+ which can be recovered as Fe(OH) 3 , and processed to pigments. The aim of this study was to compare the performance of pigments, recovered from treatment of iron rich mine water, for their suitability in producing colored concrete, with that of commercially available pigments on the South African market. It was found that: (i) more colour was produced with an increase in pigment concentration, (ii) increased compressive strength with an increase in pigment concentration, (iii) reduction in slump and spread with an increase in pigment concentration (iv). Mine water pigment performed similarly to commercial pigment in the case of concrete compressive strength and spread but poorer in the case of slump.
从富铁矿水中回收的颜料用于彩色混凝土
摘要-酸性矿井水中含有高浓度的Fe 3+,可回收为Fe(OH) 3,加工成颜料。本研究的目的是比较从富铁矿水处理中回收的颜料在生产彩色混凝土中的适用性与南非市场上可买到的颜料的性能。结果发现:(1)随着颜料浓度的增加,颜色增加;(2)随着颜料浓度的增加,抗压强度增加;(3)随着颜料浓度的增加,坍落度和铺展度降低;(4)矿用水颜料在混凝土抗压强度和铺展度方面与商用颜料相似,但坍落度较差。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Computational Technologies
Journal of Computational Technologies Mathematics-Applied Mathematics
CiteScore
0.60
自引率
0.00%
发文量
37
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