A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Characterization and an Overview of Utilization and Neutralization for Efficient Management of Bauxite Residue for Sustainable Environment
Bauxite residue also known as red mud (RM) is a by-product produced during the extraction of alumina in bauxite or aluminium industry, by the well-known Bayer process. The Enormous quantity of red mud with its alkaline constituents imposes a substantial threat to the environment. This chapter reviews the different RM storage or disposal system used worldwide and its effect on the ecosystem. A systematic review on the effective utilization of red mud in the field of construction material, cement and concrete industry, wastewater treatment, metal recovery, etc. and its feasibility has been discussed. Further, a detailed characterization of two different red muds was carried out to utilize in a large volume in the field of construction. Though extensive use of red mud has been revealed, consumption of RM in real field condition is still not environmentally acceptable due to its strong alkalinity. Given this, neutralization of RM is a highly feasible approach for its safe disposal and utilization. Hence, different ongoing research on neutralization techniques, such as seawater, using acidic waste, CO2, sintering, microbial neutralization have also been reviewed. This manuscript is an effort to analyze the research, developments, future scope and challenges to utilize the red mud efficiently in terms of environmental concerns.
Characterization and an Overview of Utilization and Neutralization for Efficient Management of Bauxite Residue for Sustainable Environment
Bauxite residue also known as red mud (RM) is a by-product produced during the extraction of alumina in bauxite or aluminium industry, by the well-known Bayer process. The Enormous quantity of red mud with its alkaline constituents imposes a substantial threat to the environment. This chapter reviews the different RM storage or disposal system used worldwide and its effect on the ecosystem. A systematic review on the effective utilization of red mud in the field of construction material, cement and concrete industry, wastewater treatment, metal recovery, etc. and its feasibility has been discussed. Further, a detailed characterization of two different red muds was carried out to utilize in a large volume in the field of construction. Though extensive use of red mud has been revealed, consumption of RM in real field condition is still not environmentally acceptable due to its strong alkalinity. Given this, neutralization of RM is a highly feasible approach for its safe disposal and utilization. Hence, different ongoing research on neutralization techniques, such as seawater, using acidic waste, CO2, sintering, microbial neutralization have also been reviewed. This manuscript is an effort to analyze the research, developments, future scope and challenges to utilize the red mud efficiently in terms of environmental concerns.
Characterization and an Overview of Utilization and Neutralization for Efficient Management of Bauxite Residue for Sustainable Environment
Achal, Varenyam (editor) / Chin, Chee Seong (editor) / Alam, Shamshad (author) / Jain, Surabhi (author) / Das, Sarat Kumar (author)
Building Materials for Sustainable and Ecological Environment ; Chapter: 3 ; 25-47
2021-05-29
23 pages
Article/Chapter (Book)
Electronic Resource
English
Red mud , Bauxite , Neutralization , CO<sub>2</sub> treatment , Ecological management Environment , Sustainable Development , Sustainable Architecture/Green Buildings , Environmental Engineering/Biotechnology , Building Materials , Geotechnical Engineering & Applied Earth Sciences , Energy Policy, Economics and Management , Earth and Environmental Science
Neutralization of Bauxite Residue with Acidic Fly Ash
| British Library Online Contents | 2009
Chemistry of the Acid Neutralization Capacity of Bauxite Residue
| British Library Online Contents | 2009