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Entire Book - Southwest Consortium for Environmental Research ...

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Improving Transboundary Air Quality with<br />

Binational Emission Reduction Credit Trading<br />

Figure 3. Emissions from a Brick Kiln<br />

Source: El Paso Electric Company<br />

The Marquez kiln is an alternative technology, developed by<br />

Roberto Marquez of New Mexico State University with funding<br />

from the <strong>Southwest</strong> <strong>Consortium</strong> <strong>for</strong> <strong>Environmental</strong> <strong>Research</strong><br />

and Policy (SCERP), which substantially reduces emissions. The<br />

Marquez kiln consists of two identical kilns built adjacent to<br />

each other and connected by an underground tunnel. One kiln<br />

is fired and its effluent is vented through the connecting tunnel<br />

into the second kiln, which has been filled with green bricks.<br />

The clays in the green bricks serve as a filter, substantially<br />

reducing emissions. Moreover, the waste heat helps cure the second<br />

kiln’s bricks. The Marquez kiln is cleaner, more efficient,<br />

less costly to operate, and construction involves materials and<br />

techniques already used in the construction of primitive kilns.<br />

18

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