Abstract

AbstractBiosorption, despite being initially heralded as a technology offering great potential for detoxification, is still yet to be commercialized. One of the reasons given is the lack of univers...

Highlights

  • Research and development focusing on biosorption phenomena provides a springboard for a whole new environmental technology targeting the removal of various toxic substances or the recovery of precious metals from aquatic systems

  • The advent of nano-biosorbents has shown that the method of synthesis, surface modifications, and dosage play a pivotal role in determining the performance characteristics (Krstic, Uroševic, & Pešovski, 2018; Shirsath & Shirivastava, 2015; Wang et al, 2012; Yu et al, 2013)

  • Motivated by the need to develop models applicable to real industrial samples, researchers have reported on the performance of biosorption technology when applied to multi-metal systems, mainly focusing on binary, ternary, and quaternary systems

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Summary

Introduction

Research and development focusing on biosorption phenomena provides a springboard for a whole new environmental technology targeting the removal of various toxic substances or the recovery of precious metals from aquatic systems. Motivated by the need to develop models applicable to real industrial samples, researchers have reported on the performance of biosorption technology when applied to multi-metal systems, mainly focusing on binary, ternary, and quaternary systems These systems may not exhaustively resemble the composition of real industrial effluents, they at least give information useful in determining how adsorption capacity will be affected when metal ions co-exist in solution. A scan of the literature shows that more than 500 papers have been published on biosorption in multi-component systems over the past few years, mainly in the fields of chemistry, environmental science and chemical engineering These include studies on binary (Muthusamy & Venkatachalamb, 2015; Suzaki et al, 2017; Xie, Hao, Mohamad, Liang, & Wei, 2013), ternary (Al-Rub et al, 2006; Costa, Da Silva, & Vieira, 2018; Ray, Jana, Bhanja, & Tripathy, 2018) and quaternary systems (Ahmad & Haseeb, 2017; Sulaymon, Mohammed, & Al-Musawi, 2013; Vijayaraghavan, Rangabhashiyam, Ashokkumar, & Arockiaraj, 2016). Kapoor and Viraraghavan (1995) Gupta and Rastogi (2008) Chang, Law, and Chang (1997)

Summary of conclusions
Binary sorption systems
Findings
Conclusion
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