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Behavior of metal contaminants durin...

Eddings, Eric Grover.

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Behavior of metal contaminants during the incineration of solid wastes.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Behavior of metal contaminants during the incineration of solid wastes./
作者:	Eddings, Eric Grover.
面頁冊數:	210 p.
附註:	Source: Dissertation Abstracts International, Volume: 53-09, Section: B, page: 4811.
Contained By:	Dissertation Abstracts International53-09B.
標題:	Engineering, Chemical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9303084

Behavior of metal contaminants during the incineration of solid wastes.
Eddings, Eric Grover.

Behavior of metal contaminants during the incineration of solid wastes. - 210 p.

Source: Dissertation Abstracts International, Volume: 53-09, Section: B, page: 4811.

Thesis (Ph.D.)--The University of Utah, 1992.

The objective of this research was to provide understanding of the behavior of trace levels of metal contaminants present in organically-contaminated soils undergoing thermal treatment. A Differential-Bed Reactor was constructed for use in bench-scale metal vaporization studies, and the results indicated that the trace quantities of metal contaminants present in the waste exhibit behavior that is different from that of a pure, isolated metal species due to interactions with the solid surface of the material.Subjects--Topical Terms:

1018531
Engineering, Chemical.

Behavior of metal contaminants during the incineration of solid wastes.
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100 1 $a Eddings, Eric Grover. $3 2100005
245 1 0 $a Behavior of metal contaminants during the incineration of solid wastes.
300 $a 210 p.
500 $a Source: Dissertation Abstracts International, Volume: 53-09, Section: B, page: 4811.
500 $a Adviser: JoAnn S. Lighty.
502 $a Thesis (Ph.D.)--The University of Utah, 1992.
520 $a The objective of this research was to provide understanding of the behavior of trace levels of metal contaminants present in organically-contaminated soils undergoing thermal treatment. A Differential-Bed Reactor was constructed for use in bench-scale metal vaporization studies, and the results indicated that the trace quantities of metal contaminants present in the waste exhibit behavior that is different from that of a pure, isolated metal species due to interactions with the solid surface of the material.
520 $a Additional studies were performed in a pilot-scale, Rotary-Kiln Simulator over the temperature range 650-980$\sp\circ$C utilizing various species of cadmium, lead, chromium, barium, copper, zinc, and strontium. Due to the batch nature of the Rotary-Kiln Simulator, the removal of solid samples from the contaminated bed throughout the course of the experiment was possible and analysis of these samples provided time-dependent evolution data for metal contaminants within a rotary kiln. The evolution data indicated that after an initial period of metal vaporization of approximately 20-30 minutes, no further vaporization of the metals present in the solid clay material was observed. The fraction of the initially-present metal contaminant that would vaporize under given conditions was found to be independent of the aqueous species initially used to contaminate the montmorillonite clay sorbent and was also found to have an exponential dependence on bed temperature.
520 $a The experimental behavior observed in the pilot-scale rotary kiln was modeled and the experimental results were best described using two distinct regions of metal volatility. At temperatures up to an apparent transition temperature for each metal, very little change in metal volatility was observed with increases in bed temperature. At temperatures in excess of the observed transition temperature, however, significant increases in metal volatility were observed for relatively small changes in bed temperature. The rate parameters obtained from modeling the pilot-scale experiments were used to model several sets of metal vaporization data taken during the thermal processing of a number of different Superfund soils and contaminated sorbents in a continual-feed rotary kiln at the EPA's Incineration Research Facility (IRF) in Jefferson, Arkansas.
590 $a School code: 0240.
650 4 $a Engineering, Chemical. $3 1018531
650 4 $a Environmental Sciences. $3 676987
650 4 $a Chemistry, Inorganic. $3 517253
650 4 $a Engineering, Sanitary and Municipal. $3 1018731
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710 2 $a The University of Utah. $3 1017410
773 0 $t Dissertation Abstracts International $g 53-09B.
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791 $a Ph.D.
792 $a 1992
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9303084