Fabrication of brick from tannery leather buffing fly ash: Waste-to-wealth approach

Q1 Environmental Science
Md Abul Hashem, Md Enamul Hasan Zahin, Md Sanaul Haque, Modinatul Maoya, Md Shohag Milu
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引用次数: 0

Abstract

Micro-fined leather buffing dust is an airborne pollutant. In this study, clay was mixed with leather buffing dust fly ash (LBDFA) in various proportions (0 %, 4 %, 8 %, 12 %, 16 %, and 20 %), fabricated brick, dried, and burned in the brickfield at 1000 °C. Results suggested that 12 % LBDFA incorporated brick exhibited weight loss on ignition (5.65 %), area shrinkage (3.96 %), water absorption (15.63 %), compressive strength (16.74 N/mm2), and efflorescence (nil). SEM micrographs depicted composite's micro-fibrous structure creating lightweight brick. The NEN 7345 leaching showed leached metals within standard range. LBDFA in brick production is an alternative option for managing solid waste in tannery.
制革厂皮革抛光飞灰制砖:废物转化为财富的方法
皮革抛光粉尘是一种大气污染物。在这项研究中,粘土与皮革抛光粉粉煤灰(LBDFA)按不同比例(0%,4%,8%,12%,16%和20%)混合,制成砖,干燥,并在1000℃的砖场中燃烧。结果表明,12% LBDFA掺入砖的着火失重率为5.65%,面积收缩率为3.96%,吸水率为15.63%,抗压强度为16.74 N/mm2,开花率为零。扫描电镜显微照片描绘了复合材料的微纤维结构,创造了轻质砖。NEN 7345浸出显示浸出金属在标准范围内。砖生产中的LBDFA是管理制革厂固体废物的另一种选择。
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来源期刊
Case Studies in Chemical and Environmental Engineering
Case Studies in Chemical and Environmental Engineering Engineering-Engineering (miscellaneous)
CiteScore
9.20
自引率
0.00%
发文量
103
审稿时长
40 days
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