Advanced Air and Noise Pollution Control: Volume 2 (Handbook by Lawrence K. Wang, Norman C. Pereira, Yung-Tse Hung

By Lawrence K. Wang, Norman C. Pereira, Yung-Tse Hung

Best pollutants keep watch over educators and working towards pros describe how a number of mixtures of alternative state of the art technique structures should be prepared to unravel air, noise, and thermal pollutants difficulties. each one bankruptcy discusses intimately quite a few strategy mixtures, in addition to technical and financial reviews, and offers reasons of the rules at the back of the designs, in addition to various variation designs precious to working towards engineers. The emphasis all through is on constructing the required engineering suggestions from basic ideas of chemistry, physics, and arithmetic. The authors additionally contain wide references, expense information, layout equipment, assistance at the install and operation of assorted pollution regulate technique gear and structures, and top on hand applied sciences (BAT) for air thermal and noise pollutants keep watch over.

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For fines; relies on the different surface properties of ash (hydrophilic) versus coal (hydrophobic); high potential, but current technologies do not handle the small particles efficiently. Note: G = gravity(density)-based separation. Desulfurization and Emissions Control 41 Table 3 Advantages and Disadvantages of Physical Coal Cleaning Advantages 10–40% lower SO2 Higher pulverizer and boiler availability (estimated: 1% improvement in availability for every 1% decrease in ash content) Lower maintenance costs (less wear and tear ing.

Effective Stack Height The effective stack height (HT) is the sum of two terms: (1) actual stack height (HS) and (2) the plume rise (HP) caused by the velocity of the stack gases and by the density difference between the stack gases and the atmosphere, as shown in Fig. 4 (25) 18 Lawrence K. Wang and Chein-Chi Chang Fig. 3. Effective stack height (HT), actual stack height (HS), and plume rise (HP). where D is the diameter of the stack (m) and VS is the vertical efflux velocity at release temperature (m/s).

A. Wiegand, Environ. Protect. 13(10), 22 (2002). 20. Lakes Environmental, Environ. Protect. com. 21. Editor, Environ. Protect. 14(3), 21–29 (2003). 22. C. Wehland and L. Earl, Environ. , 15(6), 20–23 (2004). 2 Desulfurization and Emissions Control Lawrence K. Wang, Clint Williford, and Wei-Yin Chen CONTENTS INTRODUCTION SULFUR OXIDES AND HYDROGEN SULFIDE POLLUTION US AIR QUALITY ACT AND SOx EMISSION CONTROL PLAN DESULFURIZATION THROUGH COAL CLEANING DESULFURIZATION THROUGH VEHICULAR FUEL CLEANING DESULFURIZATION THROUGH COAL LIQUEFACTION, GASIFICATION, AND PYROLYSIS DESULFURIZATION THROUGH COAL–LIMESTONE COMBUSTION HYDROGEN SULFIDE REDUCTION BY EMERGING TECHNOLOGIES “WET” FLUE GAS DESULFURIZATION USING LIME AND LIMESTONE EMERGING “WET” SULFUR OXIDE REDUCTION TECHNOLOGIES EMERGING “DRY” SULFUR OXIDES REDUCTION TECHNOLOGIES AND OTHERS PRACTICAL EXAMPLES SUMMARY NOMENCLATURE REFERENCES 1.

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