Publication: Solidification/stabilization of mine tailing using biopolymer
Date
2024-08-01
Authors
Mustaqim Haikal Bin Mustafa
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Abstract
This study dives into the essential topic of stabilising and hardening mine
tailings with biopolymers to reduce environmental damage and improve sustainability.
The study will look into the effectiveness of biopolymers, specifically chitosan, in
increasing the stability and hydraulic properties of mine tailings. Various analytical
techniques, including XRD, XRF, and SEM, will be used to investigate the
physiochemical parameters of the treated tailings. Mechanical tests, such as unconfined
compressive strength and direct shear box testing, will be performed to evaluate the
improvements in mechanical properties. The research aims to make the stabilisation
process more cost-effective and environmentally friendly. This study aims to contribute
to the development of efficient and long-term mine tailings management techniques by
investigating novel methods and procedures customised to the soil type. Several
laboratory tests were done to study the interaction between chitosan and mine tailings,
with the goal of optimising chitosan's application for cost-effective and long-term
stabilisation solutions. However, higher chitosan concentrations may reduce soil shear
strength, emphasising the need of optimising chitosan content and mixing procedures.
The study concludes that, while chitosan can stabilise mining tailings, cautious
concentration and mixing techniques are required to minimise unwanted consequences.
More research is needed to improve chitosan application procedures and assess longterm
stability under a variety of environmental conditions.