Municipal Solid Waste as a Potential Reducing Agent for Substituting Coal in Ferronickel Production

IF 2.5 3区材料科学 Q3 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY Journal of Sustainable Metallurgy Pub Date : 2024-07-17 DOI:10.1007/s40831-024-00884-5

Zulfiadi Zulhan, Muhammad A’an, Fauzan Kamal, Sonny Djatnika Sunda Djaja, Taufiq Hidayat, R. M. Nabiel Salmanhakim, Bouman Tiroi Situmorang, Nilus Rahmat

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Abstract

The growth of the global population has led to a substantial increase in municipal solid waste (MSW) generation. Various methods have been suggested and implemented to address this issue, including waste processing by dry fermentation using aerobic bio-drying, resulting in treated municipal solid waste (TMSW) that can serve as an energy source. The potential application of TMSW as a reducing agent in the production of ferronickel from lateritic nickel ore was investigated. Experiments were conducted in a muffle furnace by mixing lateritic nickel ore with TMSW and heating according to specific temperature patterns. Ferronickel was produced in the form of metal nuggets, with nickel content ranging from 7–12% and iron from 84–88%, with a yield of 87% for both nickel and iron. From these results, it can be concluded that TMSW can substitute coal as a reducing agent, enabling MSW utilization and enhancing the sustainability of ferronickel production.

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城市固体废物作为替代煤炭生产镍铁的潜在还原剂

全球人口的增长导致城市固体废物（MSW）的产生量大幅增加。为解决这一问题，人们提出并实施了各种方法，包括利用好氧生物干燥法进行干发酵处理废物，从而产生可用作能源的城市固体废物（TMSW）。研究了将 TMSW 作为还原剂用于从红土镍矿生产镍铁的潜力。实验是在马弗炉中进行的，将红土镍矿石与 TMSW 混合，并按照特定的温度模式进行加热。生产出的镍铁呈金属块状，镍含量为 7-12%，铁含量为 84-88%，镍和铁的产量均为 87%。从这些结果可以得出结论，TMSW 可以替代煤作为还原剂，从而实现 MSW 的利用，并提高镍铁生产的可持续性。

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来源期刊

Journal of Sustainable Metallurgy Materials Science-Metals and Alloys

CiteScore

4.00

自引率

12.50%

发文量

151

期刊介绍： Journal of Sustainable Metallurgy is dedicated to presenting metallurgical processes and related research aimed at improving the sustainability of metal-producing industries, with a particular emphasis on materials recovery, reuse, and recycling. Its editorial scope encompasses new techniques, as well as optimization of existing processes, including utilization, treatment, and management of metallurgically generated residues. Articles on non-technical barriers and drivers that can affect sustainability will also be considered.