期刊
INTERNATIONAL JOURNAL OF PHYTOREMEDIATION
卷 15, 期 3, 页码 219-231出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15226514.2012.687021
关键词
Sedum plumbizincicola biomass; incineration; heavy metals; emission and control
资金
- National Natural Science Foundation of China [40930739]
- National High-Tech R&D Program of China [2012AA06A204]
- International Scientific Collaborative Programme of the Ministry of Science and Technology of China [2010DFA92360]
- Program of Innovative Engineering of the Chinese Academy of Sciences [KSCX2-YW-G-053]
Experiments were conducted to investigate and control pollutant emission from incineration of Sedum plumbizincicola plants on a laboratory scale using an entrained flow tube furnace. Without control technologies, the flue gas contained 0.101 mg Nm(-3) of Cd, 46.4 mg Nm(-3) of Zn, 553 mg Nm(-3) of NOx, 131 pg Nm(-3) of polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofuran (PCDD/Fs) and 35.4 mg Nm(-3) of polycyclic aromatic hydrocarbons (PAHs). In pollutants control experiments. Al2O3, CaO, and kaolin were compared as adsorbents and activated carbon was used as an end-of-pipe method for the capture of pollutants. Kaolin, the most effective of the three adsorbents, removed 91.2% of the Cd in flue gas. While 97.6% of the Cd and 99.6% of the PAHs were removed by activated carbon. Incineration may therefore be regarded as a viable option for the safe disposal of the biomass of the zinc and cadmium hyperaccumulator species S. plumbizincicola.
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