Journal ArticleDOI
Characterization of a multi-metal binding biosorbent: Chemical modification and desorption studies.
Atefeh Abdolali,Huu Hao Ngo,Wenshan Guo,John L. Zhou,Bin Du,Qin Wei,Xiaochang C. Wang,Phuoc Dan Nguyen +7 more
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TLDR
The effectiveness of regeneration step by 1 M CaCl2 on five successive cycles of sorption and desorption displays this multi-metal binding biosorbent (MMBB) can effectively be utilized as an adsorbent to remove heavy metal ions from aqueous solutions in five cycles of Sorption/desorption/regeneration.About:
This article is published in Bioresource Technology.The article was published on 2015-10-01. It has received 109 citations till now. The article focuses on the topics: Desorption & Sorption.read more
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Comparison of sorption and desorption studies of heavy metal ions from biochar and commercial active carbon
TL;DR: In this article, the effect of various operating factors such as: adsorbent dose, contact time, solution pH, initial concentration and temperature on the sorption of heavy metal ions of Cu(II, Zn(II), Cd( II), Co(II and Pb(II) were carried out using the commercial active carbon Purolite AC 20 and biochar.
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Application of a breakthrough biosorbent for removing heavy metals from synthetic and real wastewaters in a lab-scale continuous fixed-bed column
Atefeh Abdolali,Huu Hao Ngo,Wenshan Guo,John L. Zhou,Jian Zhang,Shuang Liang,Soon Woong Chang,Dinh Duc Nguyen,Yi Liu +8 more
TL;DR: Desorption studies indicated that metal-loaded biosorbent could be used after three consecutive sorption, desorption and regeneration cycles by applying a semi-simulated real wastewater.
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A review of chemicals to produce activated carbon from agricultural waste biomass
TL;DR: It was concluded that there are no best activating agents; rather, each agent reacts uniquely with a precursor, and the optimum choice depends on the target adsorbent.
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Mn doped magnetic biochar as persulfate activator for the degradation of tetracycline
Danlian Huang,Qing Zhang,Chen Zhang,Rongzhong Wang,Rui Deng,Hao Luo,Tao Li,Jing Li,Sha Chen,Caihong Liu +9 more
TL;DR: In this paper, Mn doped magnetic biochar (MMBC) was prepared to activate persulfate (PS) for the degradation of tetracycline (TC) in advanced oxidation processes.
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A breakthrough biosorbent in removing heavy metals: Equilibrium, kinetic, thermodynamic and mechanism analyses in a lab-scale study
Atefeh Abdolali,Huu Hao Ngo,Wenshan Guo,Shaoyong Lu,Shiao-Shing Chen,Nguyen Cong Nguyen,Xinbo Zhang,Jie Wang,Yun Wu +8 more
TL;DR: This novel MMBB can effectively be utilized as an adsorbent to remove heavy metal ions from aqueous solutions and calculated thermodynamic parameters indicated feasible, spontaneous and exothermic biosorption process.
References
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Biosorption: critical review of scientific rationale, environmental importance and significance for pollution treatment
TL;DR: Biosorption is a physico-chemical process and includes such mechanisms as absorption, adsorption, ion exchange, surface complexation and precipitation as discussed by the authors, which has been heralded as a promising biotechnology for pollutant removal from solution, and/or pollutant recovery.
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Low-Cost Adsorbents: Growing Approach to Wastewater Treatment—a Review
TL;DR: In this paper, an effort has been made to give a brief idea of an approach to wastewater treatment, particularly discussing and highlighting in brief the low-cost alternative adsorbents with a view to utilizing these waste/low-cost materials.
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Biosorption and me.
TL;DR: The methodology of studying biosorption is based on an interdisciplinary approach, whereby the phenomenon can be studied, examined and analyzed from different angles and perspectives-by chemists, (micro-)biologists as well as (process) engineers.
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Biosorption of heavy metals from aqueous solutions by chemically modified orange peel
TL;DR: FTIR demonstrated that carboxyl and hydroxyl groups were involved in the biosorption of the metal ions in the grafted copolymerization-modified orange peel.
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Typical lignocellulosic wastes and by-products for biosorption process in water and wastewater treatment: a critical review.
TL;DR: In this paper, the efficiency of each biosorbent has been discussed with respect to the operating conditions (e.g., temperature, hydraulic residence time, initial metal concentration, biosorbents particle size and its dosage), chemical modification on sorption capacity and preparation methods, as well as thermodynamics and kinetics.