以電動力法去除下水污泥中重金屬之研究

黃晨漢

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以電動力法去除下水污泥中重金屬之研究

Removal of heavy metals from domestic sewage sludge by electrokinetic process

黃晨漢 , Masters　　Advisor：章日行　　

繁體中文

鍵結型態；重金屬；下水污泥；電動力法； Heavy metals ； Sewage sludge ； Electrokinetic ； Bonding patterns

Abstract │ Reference (104) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

Electrokinetic technology is a simple, effective and possessed potential repopulation technology, In this study, the technical processing of a water recycling center in Taichung City of sewage sludge contaminated by heavy metals, because sewage sludge with high organic matter, can be used as compost use, If the sewage sludge of heavy metals if inadvertently exposed to potential threats to the ecological environment of fear. This study, electrical power technology and change the operating voltage, discussion of heavy metals in sewage sludge removal and recovery, and to estimate its operating costs.
Preliminary tests will sample simple random sampling, pre-processing, analysis and patterns of heavy metals in sewage sludge basic characterization, The use of stainless steel as the cathode terminal and iridium oxide as the anode terminal, The use of stainless steel as the cathode terminal and iridium oxide as the anode terminal, Tap water as the electrolyte, And changes the voltage gradient (2V cm-1,3V cm-1 and 5V cm-1) for 5 days electrokinetic test, Since the process electrokinetic operations, the female will produce extreme pH alkalizing hydroxide ions cause precipitation of heavy metals, Then set up an automatic dosing machine, add the liquid dosing machine configuration 0.01M nitric acid, so that the cathode terminal maintained in acidic state, after 5 days the test, in addition to the removal of heavy metals copper and zinc, all of the soil control standards. Since the total amount of heavy metals can not be used as indicators of environmental risk assessment, analysis of heavy metal bonding patterns and recovery efficiency at the end of the test, and preliminary estimates suggest that the cost of electrokinetic.
The results for the electrokinetic, copper and zinc to remove ineffective most of the major copper and residual organic form states exist, so that electrokinetic is low treatment effect due to the presence of high concentrations of zinc, by the isotope effects of competition does not lead to removal best.

Reference ( 104 ) 〈TOP〉

3. Alcántara, M T.., Gómez, J., Pazos, M., and Sanromán, M. A., “Electrokinetic remediation of PAH mixtures from kaolin, ”Journal of Hazardous Materials, Vol. 179, pp. 1156-1160(2010).
連結：
4. Amaral, F. A. D., Santos, V. S. d., and Bernardes, A. M., “Metals recovery from galvanic sludge by sulfate roasting and thiosulfate leaching, ” Minerals Engineering, Vol. 60, pp. 1-7(2014).
連結：
5. Bernardo, E., and Maschio, R. D., “Glass–ceramics from vitrified sewage sludge pyrolysis residues and recycled glasses, ”Waste Management, Vol. 31, pp. 2245-2252(2011).
連結：
6. Boening, D. W., “Ecological effects, transport, and fate of mercury: a general Review, ”Chemosphere, Vol. 40, pp. 1335-1351 (2000).
連結：
7. Brain, E. R., Berg, M. T., Thompson, J. C. and Hatfield, J. H., “Chemical Conditioning of Electrode Reservoirs during Electrokinetic Soil Flushing of Pb-Contaminated Silt Loam, “ Journal of Environmental Engineering, Vol. 121, No. 11, pp. 805-815 (1995).
連結：

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