A STUDY ON EMISSION OF EQUIVALENT CARBON DIOXIDE BY PORTLAND CEMENT CONCRETE AND GEOPOLYMER CONCRETE
การศึกษาการปล่อยคาร์บอนไดออกไซด์เทียบเท่าโดยคอนกรีตซีเมนต์พอร์ตแลนด์และคอนกรีตจีโอโพลิเมอร์
DOI:
https://doi.org/10.55766/sujst10364Keywords:
Carbon dioxide, Geopolymer, Cement concrete, Carbon dioxide equivalent (CO2-e)Abstract
Concrete for general construction uses ordinary Portland cement as a binder or uses geopolymers as a binder to activate the alkaline properties, which have the potential to significantly reduce emission of equivalent carbon of concrete. This paper presents the results of the assessment of the carbon footprint of ordinary concrete and geopolymers, including related energy activities, by evaluating the carbon dioxide (CO2-e) emissions from the raw material procurement to the production of ordinary concrete and geopolymer concrete using the life cycle assessment (LCA) method, Cradle to Gate or (Business to Business: B2B). The study found that: The emission value of the general concrete production of 1 cubic meter is equal to 331.45 kg.CO2-e/m3, from the raw material production process and transportation process amounting to 310.98 kg.CO2-e/m3 and 20.47 kg.CO2-e/m3, For 1 cubic meter of geopolymer concrete is equal to 266.37 kg.CO2-e/m3 and 32.41 kg.CO2-e/m3, from the raw material production process and transportation process. From the assessment to know the use of all resources to be worthwhile for maximum benefit, to help reduce the amount of greenhouse gases or carbon footprints sustainably.
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