Abstract
Development of low-cost contaminant sorbents from industrial waste is now an essential aspect of the circular economy since their disposal continues to threaten ecological integrity. Semicoke (SC), a by-product generated in large quantities and described as solid waste from gasification of low-rank coal (LRC), is gaining popularity in line with its reuse capacity in the energy industry but is less explored as a contaminant adsorbent despite its physical and elemental carbon properties. This paper summarizes recent information on SC, sources and production, adsorption mechanism of polluting contaminants, and summarizes regeneration methods capable of yielding sustainability for the material reuse.
Highlights
In recent years, much attention has been directed to treating and restoration of contaminated land and water bodies as a requirement for future land uses increases [1]
This review provides a summary of the recent information on SC contaminant remediation application through a discussion of its nature, and integration of SC application to general contaminant adsorption
A traditional environmental engineering approach has been the reuse of by-products and solid waste from agricultural, manufacturing, and industrial operations as precursors to developing remediation materials
Summary
Much attention has been directed to treating and restoration of contaminated land and water bodies as a requirement for future land uses increases [1]. Some commercial adsorbents include activated carbons, amorphous ferric oxyhydroxide (AFO), biomass waste, zeolites, and ion exchange resins [4] Classification of these adsorbents based on their raw material sources generated three categories; carbon, mineral, and other adsorbents [5]. Among the conventional adsorbents, activated carbons (+++) , zeolites (++) , silica gel (+) , and activated alumina(-) have been found to be successful for commercial applications in order of magnitude listed [8], and a large body of literature exists on their contaminant adsorptive capacities. This review provides a summary of the recent information on SC contaminant remediation application through a discussion of its nature (sources, types, production, physical, chemical properties, engineered modifications), and integration of SC application to general contaminant adsorption
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
