Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/227005
Title: APPLICATION OF BIOCHAR AND FRAGRANCE INTO GYPSUM PLASTER AS A BUILDING MATERIAL
Authors: JUSTINE TAN JUETING
Keywords: Biochar
Gypsum Plaster
Sick Building Syndrome
Absorption
Carbon Dioxide Sequestration
Volatile Organic Compounds
Particulate Matter
Fragrance
Issue Date: 2022
Citation: JUSTINE TAN JUETING (2022). APPLICATION OF BIOCHAR AND FRAGRANCE INTO GYPSUM PLASTER AS A BUILDING MATERIAL. ScholarBank@NUS Repository.
Abstract: Touted as a miracle material in recent decades, biochar has been characterised as a suitable material for carbon sequestration and the sorption of other compounds. Currently, applications of biochar in gypsum centres on its usage as a soil amendment, with few studies venturing into its applications as a building material. In line with the continued dominance of sustainability, building materials are facing a rejuvenation. Incorporating greener materials and infusing concepts of sustainability from the inception of the material to the end of its lifespan, building materials such as cement and plasters are seeing rapid “green-ing”. Sick Building Syndrome (SBS) is an issue which has plagued the world since being coined in the 1980s. Originating from office spaces, given the synthesis between home and the office due to the current pandemic, this thus necessitates greater attention towards home spaces and the materials it comprises. This paper investigates the feasibility of applications of biochar into gypsum plaster, alongside the infusion of a fragrance as a building material. Termed fragrant gypsum plaster (FGP), assessment of its feasibility centers on the following, consistency, setting time, carbon sequestration and absorption of volatile organic compounds (VOCs) and particulate matter (PM). Fourier Transform Infrared Spectroscopy (FTIR) and Thermogravimetric Analysis (TGA) tests were amongst a few tests carried out. Results revealed the addition of biochar significantly enhanced the ability of FGP to absorb PM and VOCs, alongside poor carbon sequestration capabilities. However, FGP exhibits potential in a surface-sealing plaster, alleviating common causes of spalling concrete.
URI: https://scholarbank.nus.edu.sg/handle/10635/227005
Appears in Collections:Bachelor's Theses

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