PMID- 33497987
OWN - NLM
STAT- MEDLINE
DCOM- 20210427
LR  - 20210427
IS  - 1879-1298 (Electronic)
IS  - 0045-6535 (Linking)
VI  - 273
DP  - 2021 Jun
TI  - A combined approach to remediate cadmium contaminated sediment using the 
      acidophilic sulfur-oxidizing bacterial SV5 and untreated coffee ground.
PG  - 129662
LID - S0045-6535(21)00131-4 [pii]
LID - 10.1016/j.chemosphere.2021.129662 [doi]
AB  - Cadmium (Cd) contamination in sediment is an emerging concern for the 
      sustainability of aquatic ecosystem due to the toxicity of Cd is correlated to 
      different trophic levels. An effective and inexpensive remediation strategy for 
      Cd-contaminated sediment is desirable. The feasibility of using a newly isolated 
      acidophilic sulfur-oxidizing bacterium and untreated coffee ground to remediate 
      Cd-contaminated sediment was evaluated. The bioleaching approach was firstly 
      conducted with the acidophilic sulfur-oxidizing bacterial SV5, resulting in 
      Cd(II) release from Cd(II)-contaminated sediment. Subsequently, Cd(II) in the 
      acidic leachate was further removed using untreated agricultural wastes. 
      Untreated coffee ground exhibited about 2-fold Cd(II) removal efficiency 
      comparing to that of rice husk and peanut shell. Scanning electron microscope 
      (SEM) and Fourier-transform infrared spectroscopy (FTIR) analysis were conducted 
      to characterize the coffee ground after the adsorption of 0 or 200 mg/L Cd(II). 
      At pH 4, the optimal coffee ground concentration was 30 g/L along with 100 mg/L 
      Cd(II) concentration. Adsorption of Cd(II) by coffee ground was rapid and the 
      adsorption kinetic followed pseudo-second order model. Cd(II) sorption by coffee 
      ground was a favorable process and Langmuir isotherm model well described the 
      experimental data. Taken together, even at pH 4, coffee ground still showed good 
      biosorption capacity for Cd(II) with short equilibrium time. This study suggests 
      that acidophilic sulfur-oxidizing bacterial SV5 and untreated coffee ground could 
      be used as inexpensive and environment-friendly biomaterial and agricultural 
      waste for the remediation of Cd-contaminated sediment.
CI  - Copyright (c) 2021 Elsevier Ltd. All rights reserved.
FAU - Huang, Mei-Lun
AU  - Huang ML
AD  - Department of Bioenvironmental Systems Engineering, National Taiwan University, 
      Taipei, 106, Taiwan.
FAU - Yen, Pei-Ling
AU  - Yen PL
AD  - Department of Bioenvironmental Systems Engineering, National Taiwan University, 
      Taipei, 106, Taiwan.
FAU - Liao, Vivian Hsiu-Chuan
AU  - Liao VH
AD  - Department of Bioenvironmental Systems Engineering, National Taiwan University, 
      Taipei, 106, Taiwan. Electronic address: vivianliao@ntu.edu.tw.
LA  - eng
PT  - Journal Article
DEP - 20210118
PL  - England
TA  - Chemosphere
JT  - Chemosphere
JID - 0320657
RN  - 0 (Coffee)
RN  - 0 (Water Pollutants, Chemical)
RN  - 00BH33GNGH (Cadmium)
RN  - 70FD1KFU70 (Sulfur)
SB  - IM
MH  - Adsorption
MH  - *Cadmium
MH  - Coffee
MH  - Ecosystem
MH  - Hydrogen-Ion Concentration
MH  - Kinetics
MH  - Oxidation-Reduction
MH  - Spectroscopy, Fourier Transform Infrared
MH  - Sulfur
MH  - *Water Pollutants, Chemical
OTO - NOTNLM
OT  - Bioleaching
OT  - Biosorption
OT  - Cadmium
OT  - Coffee ground
OT  - Remediation
OT  - Sediment
COIS- Declaration of competing interest The authors declare that they have no known 
      competing financial interests or personal relationships that could have appeared 
      to influence the work reported in this paper.
EDAT- 2021/01/27 06:00
MHDA- 2021/04/28 06:00
CRDT- 2021/01/26 20:14
PHST- 2020/07/24 00:00 [received]
PHST- 2020/10/26 00:00 [revised]
PHST- 2021/01/13 00:00 [accepted]
PHST- 2021/01/27 06:00 [pubmed]
PHST- 2021/04/28 06:00 [medline]
PHST- 2021/01/26 20:14 [entrez]
AID - S0045-6535(21)00131-4 [pii]
AID - 10.1016/j.chemosphere.2021.129662 [doi]
PST - ppublish
SO  - Chemosphere. 2021 Jun;273:129662. doi: 10.1016/j.chemosphere.2021.129662. Epub 
      2021 Jan 18.