Preparation of activated carbon from waste plastics polyethylene terephthalate as adsorbent in natural gas storage

Yuliusman, Nasruddin, A. Sanal, A. Bernama, F. Haris, I. T. Ramadhan

Research output: Contribution to journalConference articlepeer-review

17 Citations (Scopus)

Abstract

The main problem is the process of natural gas storage and distribution, because in normal conditions of natural gas in the gas phase causes the storage capacity be small and efficient to use. The technology is commonly used Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG). The weakness of this technology safety level is low because the requirement for high-pressure CNG (250 bar) and LNG requires a low temperature (-161°C). It takes innovation in the storage of natural gas using the technology ANG (Adsorbed Natural Gas) with activated carbon as an adsorbent, causing natural gas can be stored in a low pressure of about 34.5. In this research, preparation of activated carbon using waste plastic polyethylene terephthalate (PET). PET plastic waste is a good raw material for making activated carbon because of its availability and the price is a lot cheaper. Besides plastic PET has the appropriate characteristics as activated carbon raw material required for the storage of natural gas because the material is hard and has a high carbon content of about 62.5% wt. The process of making activated carbon done is carbonized at a temperature of 400 ° C and physical activation using CO2 gas at a temperature of 975 ° C. The parameters varied in the activation process is the flow rate of carbon dioxide and activation time. The results obtained in the carbonization process yield of 21.47%, while the yield on the activation process by 62%. At the optimum process conditions, the CO2 flow rate of 200 ml/min and the activation time of 240 minutes, the value % burn off amounted to 86.69% and a surface area of 1591.72 m2/g.

Original languageEnglish
Article number012055
JournalIOP Conference Series: Materials Science and Engineering
Volume176
Issue number1
DOIs
Publication statusPublished - 8 Mar 2017
Event1st International Conference on Advanced Material for Better Future, ICAMBF 2016 - Surakarta, Indonesia
Duration: 3 Oct 20164 Oct 2016

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