MODELING THE SELECTIVE CATALYTIC REDUCTION OF NOX BY AMMONIA OVER A VANADIA-TITANIA CATALYST FROM EXHAUST GASES

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Abedi Shiva; Namjou Najaf; NIAEI ALIGHOLI; NOURI SIROUS; FARZI ALI

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Seminar Paper

Paper Information

Seminar: CONFERENCE ON PROCESS, OIL, GAS, REFINING AND AND PETROCHEMICAL ENGINEERING
Year:2014 | Issue:2

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Title

MODELING THE SELECTIVE CATALYTIC REDUCTION OF NOX BY AMMONIA OVER A VANADIA-TITANIA CATALYST FROM EXHAUST GASES

Author(s)

Abedi Shiva | Namjou Najaf | NIAEI ALIGHOLI | NOURI SIROUS | FARZI ALI

Keywords

SELECTIVE CATALYTIC REDUCTION (SCR)

MODELING

V2O5/TIO2

NOX REDUCTION

Abstract

NITROGEN OXIDES, NOX (NO+NO2), EMITTED WITH EXHAUST GASES DURING THE GASES DURING THE COMBUSTION OF FOSSIL FUELS OR BIOFUELSARE AMONG THE MAIN SOURCES OF AIR POLLUTION. NOX ARE CONTRIBUTED TO A VARIETY OF ENVIRONMENTAL PROBLEMS INCLUDING ACID RAIN, GROUND LEVEL ZONE (SMOG) AND VISIBILITY DEGRADATION. SELECTIVE CATALYTIC REDUCTION (SCR) OF NOX IS ONE OF THE MOST EFFICIENT AND ECONOMIC TECHNOLOGY FOR THE REMOVAL OF NOX BY USING REDUCING AGENTS SUCH AS CO, H2, NH3 AND HYDROCARBONS. AMMONIA WAS FOUND TO BE A SUITABLE REDUCTANT FOR NO IN THE PRESENCE OF OXYGEN, BECAUSE AMMONIA REACTS SELECTIVELY WITH NO TO PRODUCE N2.THE PRESENT STUDY DISCUSSES THE TESTING OF A MECHANISTIC KINETIC MODEL FOR THE SCR OF NOX TO DESCRIBE THE KINETICS OF V2O5/TIO2 CATALYSIS AT ATMOSPHERIC PRESSURE AND A TEMPERATURE OF IN A PLUG FLOW REACTOR. A GOOD AGREEMENT BETWEEN EXPERIMENTAL AND MODEL RESULTS HAS BEEN OBTAINED. A HOMOGENEOUS MODEL CONSISTING OF MASS BALANCE EQUATIONS WAS SOLVED. THE RESULTS SHOW THAT NOX CONVERSION INCREASES WITH THE INCREASE IN THE OPERATION TEMPERATURE. HOWEVER, NO/NH3 DOES NOT CHANGE THE NOX CONVERSION.

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APA: Copy

Abedi, Shiva, Namjou, Najaf, NIAEI, ALIGHOLI, NOURI, SIROUS, & FARZI, ALI. (2014). MODELING THE SELECTIVE CATALYTIC REDUCTION OF NO_X BY AMMONIA OVER A VANADIA-TITANIA CATALYST FROM EXHAUST GASES. CONFERENCE ON PROCESS, OIL, GAS, REFINING AND AND PETROCHEMICAL ENGINEERING. SID. https://sid.ir/paper/919953/en

Vancouver: Copy

Abedi Shiva, Namjou Najaf, NIAEI ALIGHOLI, NOURI SIROUS, FARZI ALI. MODELING THE SELECTIVE CATALYTIC REDUCTION OF NO_X BY AMMONIA OVER A VANADIA-TITANIA CATALYST FROM EXHAUST GASES. 2014. Available from: https://sid.ir/paper/919953/en

IEEE: Copy

Shiva Abedi, Najaf Namjou, ALIGHOLI NIAEI, SIROUS NOURI, and ALI FARZI, “MODELING THE SELECTIVE CATALYTIC REDUCTION OF NO_X BY AMMONIA OVER A VANADIA-TITANIA CATALYST FROM EXHAUST GASES,” presented at the CONFERENCE ON PROCESS, OIL, GAS, REFINING AND AND PETROCHEMICAL ENGINEERING. 2014, [Online]. Available: https://sid.ir/paper/919953/en

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