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소소소소소 소소소소소소 NOx 소소 소소 소 소소 소소 2003. 11. 25. 소소소소소소 소소소소소 소 소소 ( 소소소소소 )

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  • NOx

    2003. 11. 25.

    ()

  • , ,

    ,

    ,

    Nox ()

  • NOx

    Cycling of nitrogen in the environment

    smog

    ATMOSPHERIC NO, NO2 + N2O

    LIGHTING

    DEPOSITION

    DRY

    WET

    SMOG

    NITRIC/NITROUS ACID

    OZONE LAYER

    GREENHOUSEEFFECT

    BIOMASSBURNING

    TRANSPORT

    POWERSTATIONS/INDUSTRY

    MICROBIALACTIVITY

    ACIDIFICATION

    GROUNDWATER LEACHING

    FOSSIL FUELS

    FERTILIZERMANURE

    OZONE DEPLETION

    O2

    PAN

    LONG RANGE TRANSPORT

    STRATOSPHEREUPPER TROPOSPHERE

    TROPOSPHERE

  • Nox

    CO2 : ( 1997 )

    NOx ( 2000)

    . : 50ppm (2005)

    -

    . : 250ppm(4%)

    - , ,

  • Nox

    Yutaka Suzukawa (1996)

    Ceramic Honeycomb Regenerator

    NOx 50ppm , 1015%

    M. Nishimura (1997)

    EGR (1, 2 ),

    O2 11% NOx 50ppm , 55%

    Yuuki Ohno (2000)

    1, 2 , CH4 ,

    NOx 11ppm

  • NOx

    Takagi (1975)

    -, - , thermal NO

    HCN, CN prompt NO

    N.Peters (1981)

    super equilibrium NO 25%

    NO Fr0.33, Re-0.66

  • IndonesiaMalaysiaBruneiCH490.8791.7888.090.87C2H65.814.135.15.81C3H82.382.74.82.38C4H100.891.221.80.89C5H120.030.070.20.030.6180.6190.6540.61810,50010,50010,96310,500WI13,35413,32713,55313,354CP41.6241.1841.4641.62
  • Mechanism

    CH4 mechanism (800K )

    . CH4 + O2 CH3 + HO2

    . CH3 + O2 CH2O + OH

    . OH + CH4 H2O + CH3

    . OH + CH2O H2O + HCO

    . CH2O + O2 HO2 + HCO

    . HCO + O2 CO + HO2

  • Mechanism

    CH4 mechanism (1500K )

    . CH4 + M CH3 + H + M

    . CH4 + X CH3 + XH

    . CH4 + O2 CH3 + O

    . CH3O + M H2CO + H + M

    . H2CO +X HCO+ XH

    . HCO + M H + CO + M

    . CH3 + CH3 C2H6

    . CO + OH CO2 + H

  • NOx formation

    Thermal Nox

    Prompt NOx

    Fuel NOx

    NOx consumption due to reburning

    in combustion systems

  • Thermal NOx NOx formation

    1946 Zeldovich

    . (1200)

    . O + N2 NO + N

    . N + O2 NO + O

    extended Zeldovichs mechanism

    . N + OH NO + H

  • Prompt NOx NOx formation

    1979 Fenimore

    , 1200

    Prompt NOx

    prompt NOx CH CH2

    NOx CH

  • Prompt NOx NOx formation

    mechanism

    . CH+N2 HCN+N

    . N+O2 NO+O

    . HCN+OH CN+H2O

    . CN+O2 NO+CO

    . CH2 +N2 HCN +NH

    . HCN +N N2 + C . . .

  • NOx mechanism NOx formation

    Combustion Introduction (Stephen R)

  • ()

    Diesel CycleOtto CycleBrayton CycleSprak (%)334226361525(kW)206000151000500100,000 (%)758575857585NOX2500150200(dBA)951059510595110 1 1.5 2
  • Gas Mixer

    ,

    30 ,

    1.0~1.2, 1.5~2.5

  • (Braton Cycle, Simple Cycle)

    - : 10 : 1()

  • Nox

    Nox (02. )

    (kW)()Nox(ppm)CO(ppm)A985Jenbaher181.341,421B538Jenbaher62.60203C538Jenbaher68.10238D3,000x3Detuz MWM106.91574E1,400x3Weuakesha44.82648F5,900x3Niigata328.981,158G279MAN23.27642
  • 200kW

    , ,

    Caterpillar

    3406SITA

  • CO-Nox )

    841.unknown
  • DPC

    MicroTurbine

    MicroTurbine

  • MGT

    1600Hz

    28kW 60Hz

    15

    273

    850

    534

    205

    593

    96000rpm

  • Nox

    Chart200000111112222233333444445555566666777778888899999101010101011111111111212121212131313131314141414141515151515161616161617171717171818181818191919191920202020202121212121222222222223232323232424242424252525252526262626262727272727282828282829292929293030303030(32)(29)(27)TG1TG2[kW]NOx(O2=0%) [ppm]NOx0000001700130160013917001261481800132.5151.31850177139154.61900181.25145.51581950185.51521702070189.7515717620901941621822110195168193.52150196126.75205220010085.5570444.25570435705.53.557043.95703.845703.9357053.857043.2053( 32)(29)TG-CGS(22)11313.55.514.516.5716.318.5917.819.61218.620.71319.521.415.520.12223.91720.522.524.21922.422.724.52222.522.824.722.522.622.8525.02322.722.924.94252323252622.824.942723.224.882924.7301111113335.55.55.577799912121213131315.515.515.517171719191922222222.522.522.5232323252525262626272727292929303030( 32)(29)TG-CGS(22) [kW] [%]-13.514.516.516.318.517.819.618.620.719.521.420.12223.920.522.524.17522.422.724.4522.522.824.72522.622.852522.722.924.9423232522.824.9423.224.8824.7NOx(32)(29)(27)TG1TG200102030405061700713016008139170012691481800132.510151.31850177.013911154.61900181.3145.5121581950185.5152131702070189.8157141762090194.016215182211019516816193.52150196126.75172052200100.085.5185704.044.25195704.03205705.53.5215704.03.9225703.84235703.93245705.03.8255704.03.22605.0327282930NOxNOx00000111112222233333444445555566666777778888899999101010101011111111111212121212131313131314141414141515151515161616161617171717171818181818191919191920202020202121212121222222222223232323232424242424252525252526262626262727272727282828282829292929293030303030(32)(29)(27)TG1TG2[kW]NOx(O2=0%) [ppm]NOx0000001700130160013917001261481800132.5151.31850177139154.61900181.25145.51581950185.51521702070189.7515717620901941621822110195168193.52150196126.75205220010085.5570444.25570435705.53.557043.95703.845703.9357053.857043.205383.86863.864.5 : 57~62dB(A) 1 m 1.2m , [dB(A)]83.86863.864.5
  • NOx

    (EGR)

  • NOx

    , , , (2~3%)

    ( ) Cycle ,

    ,

    : 1.8~2.0 ( )

  • NOx

  • NOx

    3(Nox, CO, H/C)

    (NO, O2) (CO, HC)

    , Nox, CO, HC N2, CO2, H2O

    ( 1 , Window )

    -

    - : (Pt), (Rh), (Pd)

    -

  • NOx

  • NOx

    : , 70%, / :0.5~1.0

    : Nox

    : 1500 Nox ,

    : 10ppm ,

    , ,

  • 2004

    Nox

    Nox

    , ,

    ]

    ][

    [

    ]

    [

    2

    0

    N

    CH

    k

    dt

    NO

    d

    =

    ATMOSPHERIC NO, NO

    2

    + N

    2

    O

    LIGHTING

    DEPOSITION

    DRY

    WET

    SMOG

    NITRIC/

    NITROUS ACID

    OZONE LAYER

    GREENHOUSE

    EFFECT

    BIOMASS

    BURNING

    TRANSPORT

    POWER

    STATIONS/

    INDUSTRY

    MICROBIAL

    ACTIVITY

    ACIDIFICATION

    GROUNDWATER LEACHING

    FOSSIL FUELS

    FERTILIZER

    MANURE

    OZONE DEPLETION

    O

    2

    PAN

    LONG RANGE TRANSPORT

    STRATOSPHERE

    UPPER TROPOSPHERE

    TROPOSPHERE

    0

    50

    100

    150

    200

    0

    200

    400

    600

    800

    1000

    NOx

    CO

    ppm

    (kW)