Bone Char Mediated Dechlorination of Trichloroethylene by Green Rust

2020 ◽  
Vol 54 (6) ◽  
pp. 3643-3652 ◽  
Author(s):  
Jing Ai ◽  
Hui Ma ◽  
Dominique J. Tobler ◽  
Marco C. Mangayayam ◽  
Changyong Lu ◽  
...  
Keyword(s):  
Green Rust ◽  
Bone Char

Chlorinated solvent degradation in groundwater by green rust - bone char composite: solute interactions and chlorinated ethylene competition

2021 ◽  
Author(s):  
Jing Ai ◽  
Dominique Jeanette Tobler ◽  
Cecilie Gry Duncan-Jones ◽  
Maria Eckardt Manniche ◽  
Kirstine Evald Andersson ◽  
...  
Keyword(s):  
Groundwater Remediation ◽  
Green Rust ◽  
Bone Char ◽  
Green Catalyst ◽  
Chlorinated Ethylenes ◽  
Chlorinated Solvent ◽  
Solute Interactions

Biochar works as a green catalyst for the dechlorination of chlorinated ethylenes (CEs) by green rust (GR). Although the GR-biochar composite shows great potential for groundwater remediation, its performance under...

Fast Dechlorination of Chlorinated Ethylenes by Green Rust in the Presence of Bone Char

2019 ◽  
Vol 6 (3) ◽  
pp. 191-196 ◽  
Author(s):  
Jing Ai ◽  
Weizhao Yin ◽  
Hans Christian B. Hansen
Keyword(s):  
Green Rust ◽  
Bone Char ◽  
Chlorinated Ethylenes

Electrochemical Generation of Green Rust and Modified Green Rust for Water Treatment Applications

2016 ◽  
Vol 6 (2) ◽  
pp. 83-91 ◽  
Author(s):  
Andrew Jewel Gomes ◽  
Arnab Baksi ◽  
Iftikher Haider ◽  
John Gossage ◽  
Hector Moreno ◽  
...  
Keyword(s):  
Water Treatment ◽  
Green Rust ◽  
Electrochemical Generation

Preparation and properties of green rust type substances

1987 ◽  
Vol 52 (1) ◽  
pp. 93-102 ◽  
Author(s):  
Jaroslav Vinš ◽  
Jan Šubrt ◽  
Vladimír Zapletal ◽  
František Hanousek
Keyword(s):  
Chemical Composition ◽  
Electron Diffraction ◽  
Green Rust ◽  
X Ray ◽  
Synthesis Conditions ◽  
Diffraction Patterns

A method has been worked out for the reproducible preparation of Green Rust substances involving SO42-, Cl-, Br-, and I- anions. The chemical composition of the substances prepared has been followed in dependence on the synthesis conditions. The powder X-ray and electron diffraction patterns and infrared and Moessbauer spectra have been measured and discussed.

Effects of Mn2+, Ni2+, and Cu2+ on the Formation and Transformation of Hydrosulfate Green Rust: Reaction Processes and Underlying Mechanisms

2019 ◽  
Vol 3 (4) ◽  
pp. 519-530 ◽  
Author(s):  
Xiaoming Wang ◽  
Jing Peng ◽  
Xiaoliang Liang ◽  
Mengqiang Zhu ◽  
Bruno Lanson ◽  
...  
Keyword(s):  
Green Rust ◽  
Underlying Mechanisms ◽  
Reaction Processes

scholarly journals Changes in fluoride removal ability of chicken bone char with changes in calcination time

2020 ◽  
Vol 2 (2) ◽  
pp. 83-91
Author(s):  
Masanori Kikuchi ◽  
Yuki Arioka ◽  
Masamoto Tafu ◽  
Mitsuteru Irie
Keyword(s):  
Fluoride Removal ◽  
Bone Char ◽  
Calcination Time ◽  
Chicken Bone

scholarly journals The formation of green rust induced by tropical river biofilm components

2011 ◽  
Vol 409 (13) ◽  
pp. 2586-2596 ◽  
Author(s):  
F. Jorand ◽  
A. Zegeye ◽  
J. Ghanbaja ◽  
M. Abdelmoula
Keyword(s):  
Green Rust ◽  
Tropical River ◽  
River Biofilm

scholarly journals Investigation of the transport characteristics of Pb(II) in sand-bone char columns

2021 ◽  
Vol 104 (2) ◽  
pp. 003685042110236
Author(s):  
Gang Li ◽  
Jinli Zhang ◽  
Jia Liu ◽  
Tao Luo ◽  
Yu Xi
Keyword(s):  
Adsorption Capacity ◽  
Flow Rate ◽  
Dose Response ◽  
Construction Materials ◽  
Column Height ◽  
Maximum Adsorption Capacity ◽  
Complexation Reaction ◽  
Bone Char ◽  
Inlet Flow ◽  
Inlet Flow Rate

Pb(II) leakage from batteries, dyes, construction materials, and gasoline threaten human health and environmental safety, and suitable adsorption materials are vitally important for Pb(II) removal. Bone char is an outstanding adsorbent material for water treatment, and the effectiveness in Pb(II) removing need to be verified. In this paper, the transport characteristics of Pb(II) in columns filled with a sand and bone char mixture were studied at the laboratory scale, and the influences of the initial concentration, column height, inlet flow rate, and competing ion Cu(II) on Pb(II) adsorption and transport were analyzed. The Thomas and Dose-Response models were used to predict the test results, and the mechanisms of Pb(II) adsorption on bone char were investigated. The results showed that the adsorption capacity of the bone char increased with increasing column height and decreased with increasing initial Pb(II) concentration, flow rate, and Cu(II) concentration. The maximum adsorption capacity reached 38.466 mg/g and the saturation rate was 95.8% at an initial Pb(II) concentration of 200 mg/L, inlet flow rate of 4 mL/min, and column height of 30 cm. In the competitive binary system, the higher the Cu(II) concentration was, the greater the decreases in the breakthrough and termination times, and the faster the decrease in the Pb(II) adsorption capacity of the bone char. The predicted results of the Dose-Response model agreed well with the experimental results and were significantly better than those of the Thomas model. The main mechanisms of Pb(II) adsorption on bone char include a surface complexation reaction and the decomposition-replacement-precipitation of calcium hydroxyapatite (CaHA). Based on selectivity, sensitivity, and cost analyses, it can be concluded that bone char is a potential adsorbent for Pb(II)-containing wastewater treatment.

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