PROPERTIES AND CHARACTERIZATION OF MAGNESIUM OXYCHLORIDE CEMENT AS CARBON CAPTURE MATERIAL

Authors

  • Andrie Harmaji Advanced Materials Proessing Laboratory, Institut Teknologi Bandung, 40132, Bandung, West Java, Indonesia
  • Eva Febrina Advanced Materials Proessing Laboratory, Institut Teknologi Bandung, 40132, Bandung, West Java, Indonesia
  • Salsabila Ansari Putri Advanced Materials Proessing Laboratory, Institut Teknologi Bandung, 40132, Bandung, West Java, Indonesia

DOI:

https://doi.org/10.11113/aej.v13.19647

Keywords:

MOC, carbon capture, carbondioxide gas, mechanical properties, phase 5

Abstract

Greenhouse gas emissions produced by steam-powered electric plants can trigger damage to the atmosphere and increase the average surface temperature below it, resulting in global warming as a manifestation of the operation of power plants. A material is needed to capture carbon dioxide (CO2) gas produced by the power plant. Magnesium oxychloride (MOC) cement, commonly called Sorel cement, has the potential to be used as a carbon capture material. MOC is synthesized from magnesium oxide (MgO), magnesium chloride (MgCl2), and water (H2O). This study aimed to find the optimum ratio of MgO:MgCl2:H2O to produce the MOC with highest mechanical properties ranged from 1:1:1, 2:1:1, and 3:1:1. To determine the performance of the resulting MOC, physical, mechanical, X-ray diffraction (XRD), and scanning electron microscope (SEM) characterization tests were carried out. MOC with the highest mechanical properties was exposed to a high CO2 gas environment to determine its carbon capture performance. The mechanical testing shows that the best ratio of MgO:MgCl2:H2O was 3:1:1. This produces a hardness value of 43 VHN, a compressive strength of 57 MPa, a flexural strength of 46 MPa, and a modulus of elasticity of 2 GPa. The MOC 3:1:1 shows a CO2 gas capture effectiveness of 36% after 7 days, proven by XRD and SEM. The results of the tests carried out show that MOC has the potential to reduce carbon emissions produced by the steam-powered electric plant industry. 

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Published

2023-10-24

How to Cite

Harmaji, A., Febrina, E., & Putri, S. A. (2023). PROPERTIES AND CHARACTERIZATION OF MAGNESIUM OXYCHLORIDE CEMENT AS CARBON CAPTURE MATERIAL. ASEAN Engineering Journal, 13(4), 113–117. https://doi.org/10.11113/aej.v13.19647

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