Analog synthesis of artificial humic substances for efficient removal of mercury.

Adsorption Charcoal Humic Substances / analysis Hydrogen-Ion Concentration Ions Kinetics Mercury / analysis Spectroscopy, Fourier Transform Infrared Surface Properties Water Water Pollutants, Chemical / analysis Water Purification / methods
Artificial humic substances Mercury ions Recycling Removal mechanisms Waste biomass

Journal

Chemosphere
ISSN: 1879-1298
Titre abrégé: Chemosphere
Pays: England
ID NLM: 0320657

Informations de publication

Date de publication:
Jul 2020
Historique:
received: 07 01 2020
revised: 19 03 2020
accepted: 23 03 2020
pubmed: 3 4 2020
medline: 13 5 2020
entrez: 3 4 2020
Statut: ppublish

Résumé

A cost-effective artificial humic substances (humic acid-modified biochar, HA-BCs) is fabricated by using conventional hydrothermal-assisted pyrolysis technique, and then is considered as a promising adsorbent material for removing mercury ions from aqueous solution. Artificial humic acid (A-HA), humic acid-modified biochar (HA-BCs) are analyzed by using SEM, EA, XRD, FTIR, XPS, and BET techniques. The removal efficiency of mercury ions was greater than 95% after reaching the adsorption equilibrium. Meanwhile, the adsorption kinetics coincided with the pseudo-second-order model and the isotherms for mercury ion sorption can be best interpreted using Freundlich isotherm model, with high regression coefficients (R

Identifiants

DOI: 10.1016/j.chemosphere.2020.126606 PMID: 32234628
pubmed: 32234628
pii: S0045-6535(20)30799-2
doi: 10.1016/j.chemosphere.2020.126606
pii:
doi:

Substances chimiques

Humic Substances 0
Ions 0
Water Pollutants, Chemical 0
biochar 0
Water 059QF0KO0R
Charcoal 16291-96-6
Mercury FXS1BY2PGL

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

126606

Informations de copyright

Copyright © 2020 Elsevier Ltd. All rights reserved.

Déclaration de conflit d'intérêts

Declaration of competing interest The authors declare no competing financial interest.

Auteurs

Shuaishuai Zhang (S)

Joint Laboratory of Northeast Agricultural University and Max Planck Institute of Colloids and Interfaces (NEAU-MPICI), Harbin, 150030, China.

Jingpeng Song (J)

Joint Laboratory of Northeast Agricultural University and Max Planck Institute of Colloids and Interfaces (NEAU-MPICI), Harbin, 150030, China; School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, 150030, China.

Qing Du (Q)

Joint Laboratory of Northeast Agricultural University and Max Planck Institute of Colloids and Interfaces (NEAU-MPICI), Harbin, 150030, China; School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, 150030, China.

Kui Cheng (K)

College of Engineering, Northeast Agricultural University, Harbin, 150030, China.

Fan Yang (F)

Joint Laboratory of Northeast Agricultural University and Max Planck Institute of Colloids and Interfaces (NEAU-MPICI), Harbin, 150030, China; School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, 150030, China. Electronic address: yangfan_neau@163.com.

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Classifications MeSH

questionsmedicales.fr › Phénomènes chimiques › Adsorption › Analog synthesis of artificial humic...
questionsmedicales.fr › Produits chimiques inorganiques › Éléments › Carbone › Charbon de bois › Analog synthesis of artificial humic...
questionsmedicales.fr › Mélanges complexes › Substances humiques › Analog synthesis of artificial humic...
questionsmedicales.fr › Phénomènes chimiques › Concentration en ions d'hydrogène › Analog synthesis of artificial humic...
questionsmedicales.fr › Produits chimiques inorganiques › Électrolytes › Ions › Analog synthesis of artificial humic...
questionsmedicales.fr › Phénomènes chimiques › Phénomènes biochimiques › Cinétique › Analog synthesis of artificial humic...
questionsmedicales.fr › Produits chimiques inorganiques › Métaux › Métaux lourds › Mercure › Analog synthesis of artificial humic...
questionsmedicales.fr › Techniques d'investigation › Techniques de chimie analytique › Analyse spectrale › Spectrophotométrie › Spectrophotométrie IR › Spectroscopie infrarouge à transformée de Fourier › Analog synthesis of artificial humic...
questionsmedicales.fr › Phénomènes chimiques › Propriétés de surface › Analog synthesis of artificial humic...
questionsmedicales.fr › Produits chimiques inorganiques › Composés de l'oxygène › Oxydes › Eau › Analog synthesis of artificial humic...
questionsmedicales.fr › Actions chimiques et utilisations › Actions toxiques › Polluants environnementaux › Polluants de l'eau › Polluants chimiques de l'eau › Analog synthesis of artificial humic...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Amélioration du niveau sanitaire › Génie sanitaire › Gestion des déchets › Purification de l'eau › Analog synthesis of artificial humic...