2020
DOI: 10.1016/j.jece.2020.103800
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Agrowaste derived biochars impregnated with ZnO for removal of arsenic and lead in water

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Cited by 95 publications
(27 citation statements)
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“…The as-obtained biochar was able to effectively remove Cu 2+ from the aqueous solution [19]. In order to achieve the fast removal of Pb 2+ , biomasses such as palm, soybean meal, shells and so on were also adopted to prepare biochars with more adsorption sites as well as rich ion diffusion channels [20][21][22][23][24]. Based on these studies, it was found that although they are prepared through similar treatment methods, the adsorption performance of biochars varies widely, which implies that the unique tissue structures as well as the composition of the biomass exerts great influence on the adsorption performance of the biochar.…”
Section: Introductionmentioning
confidence: 99%
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“…The as-obtained biochar was able to effectively remove Cu 2+ from the aqueous solution [19]. In order to achieve the fast removal of Pb 2+ , biomasses such as palm, soybean meal, shells and so on were also adopted to prepare biochars with more adsorption sites as well as rich ion diffusion channels [20][21][22][23][24]. Based on these studies, it was found that although they are prepared through similar treatment methods, the adsorption performance of biochars varies widely, which implies that the unique tissue structures as well as the composition of the biomass exerts great influence on the adsorption performance of the biochar.…”
Section: Introductionmentioning
confidence: 99%
“…For example, Zhang et al modified the surface of a rice straw-derived biochar with an amino group through nitrification and amination to prepare high-efficiency Pb 2+ adsorbent. The as-introduced amino group shows strong complexation with Pb 2+ to improve the adsorption strength of biochars [23]. Ming et al adopted EDTA to modify the activated carbon derived from shells, and the mechanism studies indicate that the electrostatic action and complexation of surface active groups play important roles in enhancing the Pb 2+ adsorption capacity [24].…”
Section: Introductionmentioning
confidence: 99%
“…Several studies indicated that a heterogeneous catalytic process, such as H 2 O 2 /Al 2 O 3 , PMS/CuFe 2 O 4 , and persulfate/nZVI coupling oxidation with adsorption would simplify the overall removal process. Nanosized metal oxide such as Cu­(II), , Fe­(III), , and Zn­(II) , oxides are most widely used in arsenic adsorption owing to their specific affinity toward the target pollutants . Compared to other metal-based materials, the spinel-type particle is very promising taken into account its excellent properties, such as the recoverability and mechanical stability, , but the coupling reactions have been rarely studied …”
Section: Introductionmentioning
confidence: 99%
“…Además, sus propiedades se caracterizan de muchas maneras, incluyendo el área de superficie y la distribución de poros por la adsorción física (Zhang et al, 2015), entre otros. A nivel mundial, muchos residuos de la agricultura, ganadería e industria de hidrobiológicos han sido utilizadas como materia prima en la producción, caracterización y aplicación del biocarbón en la remoción de metales pesados presentes en soluciones acuosas como la cáscara de arroz (Agrafioti et al, 2014), semilla de palmera (Mahdi et al, 2019), coronta de maíz y exoesqueleto de langostino (Herrera et al, 2018), cáscara de café (Cruz et al, 2020) y excretas porcinas (Romero, 2017). Asimismo, las plantas como Tagetes spp.…”
Section: Introductionunclassified