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Botkin Environmental Science Earth as Living Planet 8th txtbk

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Table 23.3 COMPARISON OF HAZARD REDUCTION TECHNOLOGIES<br />

DISPOSAL TREATMENT<br />

INCINERATION<br />

AND OTHER HIGH-<br />

PARAMETER LANDFILLS AND INJECTION THERMAL TEMPERATURE CHEMICAL MICROBIAL<br />

COMPARED IMPOUNDMENTS WELLS DESTRUCTION DECOMPOSITIONA STABILIZATION BREAKDOWN<br />

Effectiveness: how Low for volatiles, High, for w<strong>as</strong>te High High for many High for many metals High for many metals<br />

well it contains high for unsoluble compatible with chemicals and some organic<br />

or destroys solids the disposal w<strong>as</strong>te such <strong>as</strong> oil<br />

hazardous environment<br />

characteristics<br />

Reliability issues Siting, construction, Site history and Monitoring Mobile units; on-site Some inorganics still Monitoring uncertainties<br />

and operation geology, well depth, uncertainties with treament avoids soluble during construction and<br />

Uncertainties: construction, respect to high hauling risks operation<br />

long-term integrity and operation degree of DRE: Operational simplicity Uncertain leachate<br />

and cover surrogate me<strong>as</strong>ures, production<br />

PICs, incinerability b<br />

Environment media Surface water and Surface water and Air Air Groundwater Soil, groundwater<br />

most affected groundwater groundwater<br />

Le<strong>as</strong>t compatible Highly toxic, Reactive; corrosive; Highly toxic organics, Some inorganics Organics Highly toxic persistent<br />

w<strong>as</strong>tes c persistent chemicals highly toxic, mobile, high heavy-metal chemicals<br />

and persistent concentration<br />

Relative costs Low to moderate Low Moderate to high Moderate to high Moderate Moderate<br />

Resource recovery None None Energy and some acids Energy and some Possible building Some metals<br />

potential metals materials<br />

a Molten salt, high-temperature fluid well, and pl<strong>as</strong>ma arc treatments.<br />

b DRE=destruction and removal efficiency; PIC = product of incomplete combustion.<br />

c W<strong>as</strong>tes for which this method may be less effective for reducing exposure, relative to other technologies.<br />

W<strong>as</strong>tes listed do not necessarily denote common usage.<br />

Source: Modified after Council on <strong>Environmental</strong> Quality, 1983.<br />

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