Separation of coal combustion residue for critical element extraction and other bulk uses

Author:

Karan Kanishk Kumar12,Masto R. Ebhin12ORCID,Agarwalla Hridesh12,Bari Siddharth2,Kumar Manish12,Gopinathan P.12,Hazra Bodhisatwa12,Saha Sujan12,Maity Sudip12

Affiliation:

1. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, Uttar Pradesh, India

2. CSIR-Central Institute of Mining and Fuel Research, Digwadih Campus, Dhanbad-828108, Jharkhand, India

Abstract

Critical rare earth elements are enriched in the >250 μm size fraction of ash with an outlook coefficient > 2.0. Co-extraction with alumina is advantageous. Ash disposal policies should explore size fractions to preserve enriched ash fractions.

Funder

Science and Engineering Research Board

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Water Science and Technology,Environmental Chemistry,Environmental Engineering

Reference31 articles.

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5. CEA , Report on fly ash generation at coal/lignite based thermal power stations and its utilization in the country for the year 2021–22 , Central Electricity Authority, Civil Design Division, Ministry of Power , New Delhi , 2022

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