Journal
BIORESOURCE TECHNOLOGY
Volume 253, Issue -, Pages 64-71Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2018.01.018
Keywords
Plant residues; Heavy metals; Pyrolysis; Adsorption
Funding
- Program for the National Natural Science Foundation of China [51579098, 51779090, 51709101, 51278176, 51408206, 51521006]
- National Program for Support of Top-Notch Young Professionals of China
- Hunan Provincial Science and Technology Plan Project [2016RS3026]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT-13R17]
Ask authors/readers for more resources
This study aimed to investigate the effect of pyrolysis on the stabilization of heavy metals in plant residues obtained after phytoremediation. Ramie residues, being collected after phytoremediation of metal contaminated sediments, were pyrolyzed at different temperatures (300-700 degrees C). Results indicated that pyrolysis was effective in the stabilization of Cd, Cr, Zn, Cu, and Pb in ramie residues by converting the acid-soluble fraction of metals into residual form and decreasing the TCLP-leachable metal contents. Meanwhile, the reutilization potential of using the pyrolysis products generated from ramie residues obtained after phytoremediation as sorbents was investigated. Adsorption experiments results revealed that the pyrolysis products presented excellent ability to adsorb methylene blue (MB) with a maximum adsorption capacity of 259.27 mg/g. This study demonstrated that pyrolysis could be used as an efficient alternative method for stabilizing heavy metals in plant residues obtained after phytoremediation, and their pyrolysis products could be reutilized for dye adsorption.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available