Adsorpsi Emisi Gas CO, NO, dan NOx menggunakan karbon aktif dari limbah kulit buah kakao (Theobroma cacao L.) pada kendaraan Bermotor Roda Empat

Research about gas emissions adsorption of CO, NO dan NOx using activated carbon from waste cocoa fruit on motor vehicles that aims to determine the ability of activated carbon from waste cocoa fruit with varation concentrations of ZnCl2 and the knowing the comparison between the levels of emission gas adsorption CO, NO, and NOx on a four-wheeled motor vehicle with the raw quality of air pollutions. Activated carbon waste made from cacao fruit of the skin through the stage of dehydration, carbonasi, and using solution ZnCl2 6,8 and 10 % of (b/v) for 24 hours, then the stage performed of testing carbon activated in National Standard Indonesian (SNI-063730-95) and adsorption activated carbon produced. The measurement of gas emissions performed in bus mistsubishi 2004 with an instrument PEM-9004. The evaluation of the chemical structure activated carbon was done by using infrared spektrofotometri (FTIR), and an electron microscope (shem). The measurement data gas emission levels were analyzed and compared with quality standard of air pollution in flue gas on motor vehicle with four wheels. The best quality activated carbon is produced at 10 % switched to ZnCl2 1,97 % with the water level 4,44 % levels of ashes 3,35% volatile levels of subtance, and bound 92,21 % of carbon. NO gas emissions and Nox levels of before and after the measurement in use which is activated carbon ZnCl2 10 % to 30 % ppm of 69, while NO tolerance gas emissions and NOx is 1 ppm, to this research is the absorption about 50 % and CO emissions generated before and after by using switched carbon to around 500 ppm ZnCl2 10 % to 150 ppm, in this research the absorption is about 70 %. Analysis FTIR shows that the surface of containing carbon active ties C=O, C-O, C-H, CH2, CH3, and analysis shem shows the number and diameter of increases pore with the activator substance and dominated by makropon