exposure control barriers for patient and clinician

... audience for the book is large and diverse The book is intended as a treatment reference for clinicians, of all profes- preface vi sions and persuasions, who treat or intend to treat therapist-patients ... intended for graduate students who are contemplating or currently involved in personal therapy, for seasoned clinicians returning to personal therapy, and for educators who are responsible for training ... and linkages between, being a therapist -patient and being a therapist’s therapist ACKNOWLEDGMENTS We want to thank Joan Bossert, our editor at Oxford University Press, for her superb advice and...

Ngày tải lên: 10/06/2014, 23:36

... Merge and Split Unregistered Version - http://www.simpopdf.com AIR POLLUTION CONTROL SYSTEMS FOR BOILERS AND INCINERATORS DEPARTMENTS OF THE ARMY AND THE AIR FORCE MAY 1988 Simpo PDF Merge and ... techniques, control equipment types, and control methods Also included are discussions of stack dispersion techniques, and control equipment selection b Each control equipment chapter provides performance ... Manual (DOD 4270 1-M) Standards for the conduct of all economic studies by and for the Department of the Army and the Department of the Air Force are contained in AR 11-28 and AFR 178-1, respectively...

Ngày tải lên: 20/06/2014, 17:20

... delivered costs for the particular area should be used The capital and operating costs of boiler and emission control equipment vary greatly depending on the type of fuel to be used The method and cost ... that the area can be attaining for one pollutant and nonattaining for another pollutant If this occurs one must use different routes for each of the pollutants and would have to undertake both ... source than before it was added In the absence of pollutant reductions at an existing source which is within administrative control, it may be necessary to negotiate for, and probably pay for, emission...

Ngày tải lên: 20/06/2014, 17:20

... Protection Agency Regulations on Standards of Performance for New Stationary Sources, 40 CFR 60 and subsequent revisions The techniques are listed in table 5-1 standards For the determination of possible ... contacted for the respective service air pollution projects on the following: a Source testing to characterize pollutants for design controls b Consultation on test performance standards and witnessing ... knowledgeable and experienced in meteorology and air quality testing are needed to conduct and evaluate air-quality measurements b Sampling technique The criteria for instrumentation, calibration, and...

Ngày tải lên: 20/06/2014, 17:20

... gases, and the operating temperature of the cyclone Generally, cyclones are constructed of mild steel or cast iron (See para 7-5 for additional information on materials selection for pollution control ... contact of the liquid and gas Boiler emissions to be controlled include fly ash and sulfur oxides Incinerator emissions to be controlled include fly ash, sulfur oxides and hydrogen chloride 7-2 ... spray before impinging on the walls and to allow enough residence time for the chemical reaction to go to completion A schematic of the system is shown in figure 7-6 Refer to chapters and for discussion...

Ngày tải lên: 20/06/2014, 17:20

... the same electric field is used for charging and collecting particulate s Single stage ESPs are the most common type used for the control of particulate emissions and are either of tube or parallel ... voltage and amperage controls; and sensors a Automatic power control By utilizing a signal from a stack transmissionmeter the power level in the precipitator can be varied to obtain the desired performance ... that the transformer is of superior quality and able to put out the quantity of voltage required by the precipitator Transformers are designed to withstand high ambient temperatures and electrical...

Ngày tải lên: 20/06/2014, 17:20

... fouling and slagging, and existing particulate control devices (4) Identify the required equipment modifications, including transport, storage, handling, preparation, combustion, and control ... With high and with variable dust loadings, correct fabric pressure drop is critical for proper operation and maintenance Simple draft gages may be used for measuring fabric pressure drop, and they ... reduces gas temperatures and allows close control of filtering temperatures However, evaporation may account for partial dust removal and incomplete evaporation may cause wetting and chemical attack...

Ngày tải lên: 20/06/2014, 17:20

... plant and include: — Plant size, age, configuration, and locations, — Sulfur content of the fuel and emission control requirements, — Local construction costs, plant labor costs, and cost for chemicals, ... unbalanced; and to compensate for instrument lag between operational changes Practical minimums of excess air are percent for natural gas, to 15 percent for oil firing, and 18 to 25 percent for coal ... the windbox and adding control dampers and instrumentation to automatically vary flue-gas recirculation as required for operating conditions and loads h Steam or water injection Steam and water...

Ngày tải lên: 20/06/2014, 17:20

... auxiliary equipment for the fluidized bed boilers (1) Materials handling for fuel and limestone The handling of fuel and limestone will vary depending on the source of supply and the type of delivery ... the fluids it is handling e Flue gas clean-up for particulate Either an electrostatic precipitator or a baghouse may be used for particulate control Basic guidelines established for determining ... The ash-handling systems are similar to ashhandling systems for conventional boilers The bottom ash does have to be cooled prior to disposal Most of the ash-handling systems are dry, and the ash...

Ngày tải lên: 20/06/2014, 17:20

... techniques, control equipment types, and control methods Also included are discussions of stack dispersion techniques, and control equipment selection b Each control equipment chapter provides performance ... Manual (DOD 4270 1-M) Standards for the conduct of all economic studies by and for the Department of the Army and the Department of the Air Force are contained in AR 11-28 and AFR 178-1, respectively ... POLLUTION CONTROL SYSTEMS FOR BOILERS AND INCINERATORS DEPARTMENTS OF THE ARMY AND THE AIR FORCE MAY 1988 REPRODUCTION AUTHORIZATION/ RESTRICTIONS This manual has been prepared by or for the Government...

Ngày tải lên: 27/06/2014, 17:20

... techniques, control equipment types, and control methods Also included are discussions of stack dispersion techniques, and control equipment selection b Each control equipment chapter provides performance ... Manual (DOD 4270 1-M) Standards for the conduct of all economic studies by and for the Department of the Army and the Department of the Air Force are contained in AR 11-28 and AFR 178-1, respectively ... POLLUTION CONTROL SYSTEMS FOR BOILERS AND INCINERATORS DEPARTMENTS OF THE ARMY AND THE AIR FORCE MAY 1988 REPRODUCTION AUTHORIZATION/ RESTRICTIONS This manual has been prepared by or for the Government...

Ngày tải lên: 06/08/2014, 01:21

... Chemical Engineering Handbook” d Bark and wood waste Wood bark and wood waste, such as sawdust, chips and shavings, have long been used as a boiler fuel in the pulp and paper and wood products industries ... effectively in a boiler Cans and other noncombustibles are removed and the waste is reduced to a more uniform size Environmental Protection Agency, "Control Techniques for Particulate Emissions ... delivered costs for the particular area should be used The capital and operating costs of boiler and emission control equipment vary greatly depending on the type of fuel to be used The method and cost...

Ngày tải lên: 06/08/2014, 01:21

... Protection Agency Regulations on Standards of Performance for New Stationary Sources, 40 CFR 60 and subsequent revisions The techniques are listed in table 5-1 standards For the determination of possible ... Protection Agency Regulations on Standards of Performance for New Stationary Sources, 40 CFR 60 and subsequent revisions The techniques are listed in table 5-1 standards For the determination of possible ... contacted for the respective service air pollution projects on the following: a Source testing to characterize pollutants for design controls b Consultation on test performance standards and witnessing...

Ngày tải lên: 06/08/2014, 01:21

... TM 5-815-1/AFR 19-6 efficiency curves for handling a similar dust and gas All other methods of determining cyclone efficiency are estimates and should be treated as such b Predicting cyclone ... pressure of the gas between the inlet ductwork and the outlet ductwork This pressure drop is a result of entrance and exit losses, frictional losses and loss of rotational kinetic energy in the ... b Cyclone energy requirements Energy requirements in the form of fan horsepower are directly proportional to the volume of gas handled and the cyclone resistance to gas flow Fan energy requirements...

Ngày tải lên: 06/08/2014, 01:21

... gases, and the operating temperature of the cyclone Generally, cyclones are constructed of mild steel or cast iron (See para 7-5 for additional information on materials selection for pollution control ... contact of the liquid and gas Boiler emissions to be controlled include fly ash and sulfur oxides Incinerator emissions to be controlled include fly ash, sulfur oxides and hydrogen chloride 7-2 ... spray before impinging on the walls and to allow enough residence time for the chemical reaction to go to completion A schematic of the system is shown in figure 7-6 Refer to chapters and for discussion...

Ngày tải lên: 06/08/2014, 01:21

... the same electric field is used for charging and collecting particulate s Single stage ESPs are the most common type used for the control of particulate emissions and are either of tube or parallel ... voltage and amperage controls; and sensors a Automatic power control By utilizing a signal from a stack transmissionmeter the power level in the precipitator can be varied to obtain the desired performance ... devised, simultaneous removal of gases and particulate material will become the accepted procedure for designing scrubbers for combustion processes 7-4 Treatment and disposal of waste materials Wet...

Ngày tải lên: 06/08/2014, 01:21

... to dry and moist heat degradation, make Teflon suitable for filtration and dust collection under severe conditions Its major disadvantages are its poor abrasion resistance and high price For 9-6 ... with a timer mechanism and control air solenoid valve for automatic cyclic cleaning Pulse-jet 9-3 TM 5-815-1/AFR 19-6 baghouses are used when dust concentrations are high and continuous filtering ... Fahrenheit) and are susceptible to degradation from abrasion and acid condensation Although natural fibers are still used for many applications, synthetic fibers such as acrylics, nylons, and Teflon...

Ngày tải lên: 06/08/2014, 01:21

... fouling and slagging, and existing particulate control devices (4) Identify the required equipment modifications, including transport, storage, handling, preparation, combustion, and control ... reduces gas temperatures and allows close control of filtering temperatures However, evaporation may account for partial dust removal and incomplete evaporation may cause wetting and chemical attack ... With high and with variable dust loadings, correct fabric pressure drop is critical for proper operation and maintenance Simple draft gages may be used for measuring fabric pressure drop, and they...

Ngày tải lên: 06/08/2014, 01:21

... unbalanced; and to compensate for instrument lag between operational changes Practical minimums of excess air are percent for natural gas, to 15 percent for oil firing, and 18 to 25 percent for coal ... the windbox and adding control dampers and instrumentation to automatically vary flue-gas recirculation as required for operating conditions and loads h Steam or water injection Steam and water ... combustion control system to regulate and monitor the exact proportioning of fuel and air For pulverized coal fired boilers, this may mean the additional expense of installing uniform distribution...

Ngày tải lên: 06/08/2014, 01:21

... NOx formation No special devices or controls are required for NOx control on fluidized bed units (4) Opacity Controlled by particulate removal and properly adjusted and designed combustion controls ... conventional emissions control systems have evolved that provide satisfactory performance when properly sized and specified Referenced are CFR40 part 60 for new source performance standards (NSPS) only, ... particulates and by properly adjusted and designed combustion controls with good burner and furnace designs d Pulverized coal-fired power boiler NSPS cover limitations for particulates; SO2; NOx; and...

Ngày tải lên: 06/08/2014, 01:21