... the Cross -State Air Pollution Rule’s approach to determining upwind responsibility KEY FEATURES OF THE CROSS -STATE AIR POLLUTION RULE Of the states affected by the final Cross -State Air Pollution ... rule BACKGROUND This Cross -State Air Pollution Rule replaces the 2005 Clean Air Interstate Rule (CAIR) starting January 1, 2012 EPA issued CAIR on May 12, 2005 and the CAIR federal implementation ... desulfurization), or dry sorbent injection AIR QUALITY IMPROVEMENTS UNDER THE CROSS -STATE AIR POLLUTION RULE The Cross -State Air Pollution Rule will improve air quality in thousands of counties throughout...
Ngày tải lên: 06/03/2014, 19:20
... Cross -State Air Pollution Rule States Key Dates – October 17, 2011: Deadline to notify EPA if a state wants to replace 2013 FIP allocations with state allocations • As of this deadline, twelve states ... or states are well within the range of normal price fluctuations The rule puts in place a new framework to address pollution that affects air quality in downwind states: – – Helps states meet air ... their states – January 1, 2012: Cross -State Air Pollution Rule Phase SO2 and annual NOX trading programs begin • Sources must demonstrate compliance by March 1, 2013 – May 1, 2012: Cross -State Air...
Ngày tải lên: 06/03/2014, 19:20
Báo cáo khoa học: "FINITE STATE PROCESSING OF TONE SYSTEMS" potx
... and phonetic levels of representation FST systems are conceptually bidirectional; they may easily be processed in either direction with the same finite state mechanism; the problem of the recoverability ... translation, has not been formulated in finite state terms for this domain This mapping question is a different one from the question of recognition, and the finite state devices required for an answer ... This only holds if the paired input and output symbols are interpreted as compound (relational) input symbols, and the input and output tapes are seen as a single tape of pairs This is an abstraction...
Ngày tải lên: 18/03/2014, 02:20
Air Pollution Control Systems: United Air Specialists, Inc. pptx
... levels of airborne dust at your job site, a highly qualified UAS clean air professional can help you properly select the size and type of air cleaning system that will provide the best air quality ... prototypes as needed, air cleaning systems Programs like Computational Fluid verify computer test Dynamics (CFD) results using an air provide detailed chamber, perform airflow and dust sound ... Clean Air Solutions Provider OVER FORTY YEARS OF INNOVATIVE AND COST-EFFECTIVE FILTRATION SOLUTIONS United Air Specialists (UAS) has been designing, manufacturing, selling and solving industrial air...
Ngày tải lên: 23/03/2014, 04:20
Báo cáo khoa học: "Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems" pdf
... possible NEs have been identified, the classification stage begins Classification involves three sub-stages: application of classification rules, gazetteer-based classification, and partial matching ... both systems to identify cases of disagreement The result is a set of data where the two systems disagree: in our case, disagreements deal with the different categories assigned by the NERC systems ... disagreement of the two systems is through a contingency matrix, as shown in Table The rows of this table correspond to the classification of the rule-based system, while the columns to the classification...
Ngày tải lên: 23/03/2014, 19:20
Sustaining Air Force Space Systems ppt
... : alk paper) Astronautics, Military—United States—Equipment and supplies Global Positioning System United States Air Force—Procurement United States Air Force Space Command—Planning I Snyder, ... RAND Project AIR FORCE RAND Project AIR FORCE (PAF), a division of the RAND Corporation, is the U.S Air Force’s federally funded research and develop- iii iv Sustaining Air Force Space Systems ment ... Sustaining Air Force Space Systems A Model for the Global Positioning System Don Snyder • Patrick Mills • Katherine Comanor • Charles Robert Roll, Jr Prepared for the United States Air Force Approved...
Ngày tải lên: 29/03/2014, 20:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_1 docx
... U-shaped chamber with air nozzles along the rim The nozzles are directed to provide a curtain of air over the pit and to provide air in the pit Controlled -air incinerators Controlled -air incinerators ... identification of air pollutant emission rates, and the selection of control equipment required to meet local, state, and federal compliance levels Presented herein are fuel classifications, burning ... 5-815-1 AIR FORCE AFR 19-6 Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com AIR POLLUTION CONTROL SYSTEMS FOR BOILERS AND INCINERATORS DEPARTMENTS OF THE ARMY AND THE AIR...
Ngày tải lên: 20/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_2 pptx
... Emission standards The Clean Air Act requires all states to issue regulations regarding the limits of particulate, SOx and NOx emissions from fuel burning sources State and local regulations are ... fuel consumption and the formation of air pollutants For each particular type fuel there must be sufficient time, proper temperature, and adequate fuel /air mixing to insure complete combustion ... mixed with the air required for combustion, and are oxidized in less time than is required to burn other fuel types Consequently, the amount of fuel /air mixing and the level of excess air needed...
Ngày tải lên: 20/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_3 pot
... determination of possible violations of air quality, the continuous monitoring of pollutant concentrations is normally required for a one-year period Air quality measurements are a function of ... and the existing pollutant concentration in the atmosphere Personnel knowledgeable and experienced in meteorology and air quality testing are needed to conduct and evaluate air- quality measurements ... Protection Agency Regulations on Ambient Air Monitoring Reference and Equivalent Methods See table 5-2 (1) 5-3 Meteorological and ambient air measurement a Measurements Air quality measurements are used...
Ngày tải lên: 20/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_4 potx
... negative pressure systems, hoppers and removal system must be air tight If hot unburned combustibles or char are present in the collected particulate, introduction of fresh air can cause a hopper ... processes 7-4 Treatment and disposal of waste materials Wet scrubber systems are designed to process exhaust streams by transfer of pollutants to some liquid medium, usually water seeded with the ... of the cyclone inlet or outlet plenum spaces where gasketing material is used and cool ambient air can infiltrate Corrosion at joints can be minimized by using welded sections instead of bolted...
Ngày tải lên: 20/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_5 docx
... in small capacity systems or systems with a large number of filtering compartments (2) Reverse flow without bag collapse This cleaning method is used with a dust that releases fairly easily from ... gas flows per square foot of cloth area (air to cloth ratio) However; this system requires a compressed air system with a timer mechanism and control air solenoid valve for automatic cyclic cleaning ... of air at 29 to 100 lb/ in2 is directed into the top of the filter This blast is usually sent through a venturi which increases the shock effect As the pulse starts down the filter tube, more air...
Ngày tải lên: 20/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_6 doc
... against outside air infiltration Reverse air should be heated to prevent condensation b Boilers Electric utilities and industrial boilers primarily use electrostatic precipitators for air pollution ... or negative pressure warrant the use of an air- lock valve for discharging dust Since this will prevent re-entrainment of dust or dust blowout A rotary air valve is best suited for this purpose ... compartment is shut down For multicompartmented units, screw conveyors, air slides, belt conveyors or bucket conveying systems are practical When a screw conveyor or rotary valve is used, a rapper...
Ngày tải lên: 20/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_7 doc
... proportioning of fuel and air For pulverized coal fired boilers, this may mean the additional expense of installing uniform distribution systems for the coal and air mixture (3) Low excess air firing is ... others airrich (high percentage of excess air) , or air only, and is usually applied to boilers having three or more burner levels Off-stoichiometric firing is accomplished by staggering the air- rich ... equipment (burners nozzles, air registers, fans, preheaters, etc.), (d) maintaining equal distribution of fuel and air to all burners (4) Low excess air operation Low excess air operation is the most...
Ngày tải lên: 20/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators.Unique control problems_9 doc
... Ash-handling systems (1) 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 ... Combustion Air Air Register Air- to-Cloth Ratio o API Ash Atmospheric Stability Atomization Blinding (blinded) Boiler (thermal) Efficiency Burner Calcine Cloth Area Cloth Weight Co-Current Combustion Air ... Temperature Dilution Air Entrainment Spray ESP Excess Air Felted Fabrics Filament Flue Gas Temperature at which acid vapor condenses to form acid droplets The total amount of air supplied for complete...
Ngày tải lên: 20/06/2014, 17:20
AIR POLLUTION CONTROL SYSTEMS FOR BOILER AND INCINERATORS pptx
... U-shaped chamber with air nozzles along the rim The nozzles are directed to provide a curtain of air over the pit and to provide air in the pit Controlled -air incinerators Controlled -air incinerators ... identification of air pollutant emission rates, and the selection of control equipment required to meet local, state, and federal compliance levels Presented herein are fuel classifications, burning ... document of a different number ARMY TM 5-815-1 AIR FORCE AFR 19-6 AIR POLLUTION CONTROL SYSTEMS FOR BOILERS AND INCINERATORS DEPARTMENTS OF THE ARMY AND THE AIR FORCE MAY 1988 REPRODUCTION AUTHORIZATION/...
Ngày tải lên: 27/06/2014, 17:20
Air Pollution Control Systems for Boiler and Incinerators Part 1 doc
... U-shaped chamber with air nozzles along the rim The nozzles are directed to provide a curtain of air over the pit and to provide air in the pit Controlled -air incinerators Controlled -air incinerators ... identification of air pollutant emission rates, and the selection of control equipment required to meet local, state, and federal compliance levels Presented herein are fuel classifications, burning ... document of a different number ARMY TM 5-815-1 AIR FORCE AFR 19-6 AIR POLLUTION CONTROL SYSTEMS FOR BOILERS AND INCINERATORS DEPARTMENTS OF THE ARMY AND THE AIR FORCE MAY 1988 REPRODUCTION AUTHORIZATION/...
Ngày tải lên: 06/08/2014, 01:21
Air Pollution Control Systems for Boiler and Incinerators Part 2 docx
... and require low amounts of excess air for complete combustion (Excess air is defined as that quantity of air present in a combustion chamber in excess of the air required for stoichiometric combustion) ... refuse derived fuels 3-3 Fuel burning systems a Primary function A fuel burning system provides controlled and efficient combustion with a minimum emission of air pollutants In order to achieve this ... Emission standards The Clean Air Act requires all states to issue regulations regarding the limits of particulate, SOx and NOx emissions from fuel burning sources State and local regulations are...
Ngày tải lên: 06/08/2014, 01:21
Air Pollution Control Systems for Boiler and Incinerators Part 3 potx
... project 4-2 Air quality standards a Federal Standards — Environmental Protection Agency Regulations on National Primary and Secondary Ambient Air Quality Standards (40 CER 50) b State standards ... changed emission source (3) Collection of air quality monitoring data required to establish actual air quality concentrations and to aid in analysis of air quality related values All technical ... analysis be conducted for each pollutant regulated under the Act Different pollutants could involve different paths for obtaining a permit, and may even involve different State and Federal Agencies...
Ngày tải lên: 06/08/2014, 01:21
Air Pollution Control Systems for Boiler and Incinerators Part 4 potx
... overall efficiency b Pre-cleaner Cyclones are primarily used as precleaners in solid fuel combustion systems such as stoker fired coal burning boilers where large coarse particles may be generated...
Ngày tải lên: 06/08/2014, 01:21
Air Pollution Control Systems for Boiler and Incinerators Part 5 doc
... negative pressure systems, hoppers and removal system must be air tight If hot unburned combustibles or char are present in the collected particulate, introduction of fresh air can cause a hopper ... be necessary TM 5-815-1/AFR 19-6 d Dust hopper design A properly designed dust hopper should be air tight and large enough to prevent the dust level from reaching the cyclone dust outlets Dust ... of the cyclone inlet or outlet plenum spaces where gasketing material is used and cool ambient air can infiltrate Corrosion at joints can be minimized by using welded sections instead of bolted...
Ngày tải lên: 06/08/2014, 01:21