... required to control the speci c pollutant Adsorbents exhibit certain physical characteristics with respect to pore size These characteristics are generally called macropores and micropores as ... process is more mechanical than chemical An exception to the latter is chemically treated adsorbents wherein the pores are precharged with a chemical that reacts with the contaminant upon contact ... interfering compounds The process of activating activated carbon is basically one of opening up its pores The carbon can be acid-washed then carefully heated in a reducing atmosphere or it can be...
... precipitators Silicon control rectifiers: Silicon control rectifiers are the switches that control power input to the electrical field The voltage control turns the silicon control rectifier on and off ... operation, AC is applied to the voltage control cabinet Inside the cabinet is a voltage control and silicon control rectifier The voltage control flow of current through the silicon control rectifier Current ... of conduction characterized in dust: surface conduction and volume conduction Dust resistivity plays a major role in defining electrostatic precipitator collection efficiency It is generally accepted...
... fuel burner Air source (blower or natural convection) Furnace (temperature controlled chamber where the oxidation reactions occur) Stack (to direct the combustion products to atmosphere) Control ... to control the acid gases produced If particulate is also present or is created through the combustion process, particulate control devices such as Venturi scrubbers, dry scrubbers, or wet electrostatic ... electrostatic precipitator, etc., where particulate matter, and sometimes acid gases are removed from the products) NOx (nitrogen oxides) reduction hardware (catalytic, noncatalytic or wet scrubber...
... AIRPOLLUTIONCONTROLEQUIPMENT CALCULATIONS AIRPOLLUTIONCONTROLEQUIPMENT CALCULATIONS Louis Theodore An Introduction by Humberto Bravo Alvarez Copyright # 2008 by John Wiley & Sons, Inc ... of airpollutioncontrol system to wastewater and land pollution Contribution of airpollutioncontrol system to plant noise level Engineering a Contaminant characteristics [physical and chemical ... it creates undesirable side effects in meeting (limited) airpollutioncontrol objectives Airpollutioncontrol should be considered in terms of both the total technological system and ecological...
... generic prediction of control efficiencies and economics impossible for the broad category of VOCs and organic HAPs 65.5.1 Conventional Control Technologies Thermal oxidizers destroy organic compounds ... postcombustion NOx control technologies, selective noncatalytic reduction (SNCR) and selective catalytic reduction (SCR) Several systems have also been developed for scrubbing NOx; however, since ... Different PM Control Technologies20 Control Technology Multicyclone Wet scrubber Electrostatic precipitator Fabric filter Total Mass Emission Reduction, % Mass Emission Reduction for Particles < 0.3...
... Decree 984 (Pollution Control Act for Air Management) and adjudication of pollution cases are the functions of the Pollution Adjudication Board, a quasi-judicial body chaired by the DENR secretary ... Resource Accounting Project (ENRAP) 1996 Philippines ENRAP, Phase III Manila Ruzicka, I., A.L Indab, and C. M Rufo Jr 2002 Coughing up for clean air: Incentive-based approaches to controlling airpollution ... technologies at the stack level The control technology and costs described below address both ends of the combustion process—fuel quality and postcombustion controls The most effective controls use both...