MARPOL ANNEX 6 REGULATION FOR THE PREVENTION OF AIR POLLUTION
REGULATION FOR THE PREVENTION OF AIR POLLUTION. APPLY TO ALL SHIPS CERTIFICATES INTERNATIONAL AIR POLLUTION PREVENTION CERTIFICATE ENGINE INTERNATIONAL AIR POLLUTION PREVENTION CERTIFICATE. INTERNATIONAL ENERGY EFFICIENCY CERTIFICATE. NITROGEN OXIDE (NOx) APPLY TO EACH ENGINE OF 130KW AND ABOVE (MAIN ENGINE ND AUX ENGINE) NOT APPLY TO EMERGENCY GENERATOR, LIFE BOAT ENGINE HOW NOX WILL PRODUCED? USUALLY OXYGEN IS 21% IN AIR. AND NITROGEN IS 78% IN AIR . WHEN BOTH ARE REACT WITH TEMPERATURE OF 1100°C IT BECOME NOx WHICH IS HARM TO ENVIRONMENT. REASON FOR NOx PRODUCTION.? HIGHT CYLINDER TEMPERATURE AND PRESSURE DURING THE COMPRESSION. HEAVY LOAD ON ENGINE OR ENGINE UNIT. IMPROPER AOR AND FUEL MIXTURE. HIGH TEMPERATURE OF SCAVENGE AIR. JACKET WATER HIGH TEMPERATURE. METHODS OF REDUCE NOx EMISSIONS? HUMIDITY AIR METHOD EXHAUST GAS RECIRCULATION METHOD. WATER INJECTION AND WATER EMULSION. SELECTIVE CATALYTIC REDUCTION TWO STAGE TURBOCHARGER NOx TECHNICAL FILE ENTRIES . ANY MAJ