Abstract
The growing increase in greenhouse gases, especially carbon dioxide (CO2), by anthropogenic activities can be linked to extreme climate events, such as intensive droughts, floods, or hurricanes, and has led to several studies focused on reducing the concentration of this greenhouse gas in the atmosphere. Some technologies, such as carbon capture and storage (CCS), can potentially sequester billions of tons of CO2 per year. One of the promising methods is the use of carbon mineralization as a CCS methodology. For this approach, some minerals can be investigated, such as wollastonite, which can be obtained from agricultural waste recovery. One topic of interest in these studies is agriculture, demonstrating that it can play an important role in climate change mitigation. This work presents a critical review of the studies of rice waste use for potential synthesizing wollastonite as a path for CO2 storage, promoting the circular economy. Several works were analyzed and presented, addressing eco-friendly wollastonite use, such as in the cement industry, and they can contribute to a lower global warming potential. There is a promising way to explore, once there are few studies in the literature about CO2 capture and storage of wollastonite by carbon mineralization.
Highlights
Accepted: 3 March 2022Some environmental problems, such as global warming, are directly linked to the increase in the concentration of anthropogenic greenhouse gases, mainly carbon dioxide (CO2 ), corresponding to 68% of the total emissions [1–3]
This paper aims to bring a review about the potential carbon capture andand storage of of wollastonite minerals residues carbon mineralization, promotinga acircular circular wollastonite minerals by by ricerice residues forfor carbon mineralization, promoting economy
There are few studies about the CO2 capture and storage of wollastonite synthesized by rice residues, this paper tries to contribute to the state of the art of carbon capture and storage as a methodology to possibly synthesize wollastonite from rice residues
Summary
Some environmental problems, such as global warming, are directly linked to the increase in the concentration of anthropogenic greenhouse gases, mainly carbon dioxide (CO2 ), corresponding to 68% of the total emissions [1–3]. GtCO2 , and in Brazil, according to SEEG (2019), the total CO2 emission for the year 2019 was 1.38 GtCO2. 1990–2019, and the contribution of the various sectors in terms of greenhouse gas emissions. 1. Brazil’s to 2 emissions (%) by sector (2019) For environmentally friendly solutions have beenbeen proposed which involve the the circular economy, as synthesis the synthesis of agricultural residues producing circular economy, such such as the of agricultural rice rice residues for for producing a a mineral that is very promising in capture, by the carbon mineralization process. A future rice residues [11–13] and carbon mineralization by wollastonite [8,14–16]. There are few studies about the CO2 capture and storage of wollastonite synthesized by rice residues, this paper tries to contribute to the state of the art of carbon capture and storage as a methodology to possibly synthesize wollastonite from rice residues
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