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PLASTIC WASTE CONVERSION INTO FUEL BY UTILIZING BIOMASS WASTE AS HEATING SYSTEM ON PIROLYSIS PROCESS
Bambang Sugiarto (a*), Aditya Kurniawan (a), Andri Perdana (a)

a) UChemical Engineering Department, Faculty of Industrial Engineering, University of Pembangunan Nasional Veteran Yogyakarta
*bgiartokd[at]gmail.com


Abstract

Population growth will increase human population in a particular urban area. Indonesia as a developing country has a significant population growth. The population projection in 2035 predicted by BPS redeems more than 300 million people. A significant increase in population has the potential to cause problems caused by waste due to community activities. Plastic is a type of waste that has a negative impact on the environment because it cannot be decomposed directly. Therefore, it requires technology to reduce plastic waste into liquid fuel by the pyrolysis process, so the conversion of products from waste in the form of plastics has economic value and can be utilized as an energy requirement of the community. In addition, Indonesia as an agrarian country, has abundant biomass potential that can be utilized as an energy source used to supply heat energy in pyrolysis reactors to convert plastics into liquid fuels. This research is an application of applied sciences that can be utilized by the general public. Plastic waste is classified according to type ; LDPE, PET and PP. Then plastic waste with LDPE type in the form of plastic bottle waste is reduced in size to 4-9 cm2 so that the pyrolysis process runs optimally. The plastic waste variables to be tested are: 0.5 kg, 0.75 kg, 1 kg, 1.25 kg, 1.5 kg, 2 kg. This amount of plastic is put into the pyrolysis reactor for 3-5 hours given the heating by biomass stove derived from biomass waste. In the pyrolysis reactor, decomposition of plastics into chemical compounds in the form of a gas phase then enters a cooler to convert the gas phase into liquid. The product of the pyrolysis process is then measured by volume to calculate the yield of each process variable. The application of this applicable technology shows that the process of converting plastic waste into liquid fuel with sequential results, namely: 142 ml, 156 ml, 165 ml, 216 ml, 236 ml, and 258 ml. Optimum results are shown in the 0.5 kg pyrolysis feed process with a yield of 28,4%. The average yield of the pyrolysis process is 18.6%.

Keywords: plastic, waste, biomass, energy

Topic: Chemical Engineering

Link: https://ifory.id/abstract/nPraYkjHbBTX

Conference: 1st Borobudur International Symposium (BIS 2019)

Plain Format | Corresponding Author (Andri Perdana)

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