Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction Activity

Quicklime is not only an important raw material for the steel and nano-calcium carbonate industries but also a key carrier for capturing carbon dioxide in the fight against global warming, and its reaction activity plays a vital role in these processes. Recent studies have found that quicklime produ...

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Main Authors: Minjie Zhu, Jing Wu, Zehao Yang, Yong Zhu, Quan Rong, Qingfu Wen
Format: Article
Language:English
Published: MDPI AG 2023-09-01
Series:Minerals
Subjects:
Online Access:https://www.mdpi.com/2075-163X/13/9/1201
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author Minjie Zhu
Jing Wu
Zehao Yang
Yong Zhu
Quan Rong
Qingfu Wen
author_facet Minjie Zhu
Jing Wu
Zehao Yang
Yong Zhu
Quan Rong
Qingfu Wen
author_sort Minjie Zhu
collection DOAJ
description Quicklime is not only an important raw material for the steel and nano-calcium carbonate industries but also a key carrier for capturing carbon dioxide in the fight against global warming, and its reaction activity plays a vital role in these processes. Recent studies have found that quicklime produced from limestones with similar chemical compositions under the same production process has significantly different reaction activities, which indicates that something other than the chemical composition of limestone affects quicklime reaction activity. To explore the factors affecting quicklime reaction activity, this study analyzed the textures and calcite particle size of limestone collected from different areas of Guangxi, China, and measures the quicklime reaction activity with different calcination times. It has been found that: (1) limestone with a clastic texture is preferred to that with a crystalline texture (including transition type) in yielding quicklime with higher reaction activity; and (2) for limestone with a clastic texture, fine-grained limestone tends to produce the same or higher quicklime reaction activity with lower energy consumption.
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spelling doaj.art-6a8911c00d724fd590b9a0bd8c2ff66b2023-11-19T12:05:44ZengMDPI AGMinerals2075-163X2023-09-01139120110.3390/min13091201Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction ActivityMinjie Zhu0Jing Wu1Zehao Yang2Yong Zhu3Quan Rong4Qingfu Wen5School of Resources, Environment and Materials, Guangxi University, Nanning 530004, ChinaSchool of Resources, Environment and Materials, Guangxi University, Nanning 530004, ChinaSchool of Resources, Environment and Materials, Guangxi University, Nanning 530004, ChinaGuangxi Huana New Materials Co., Ltd., Nanning 530100, ChinaGuangxi Huana New Materials Co., Ltd., Nanning 530100, ChinaGuangxi Huana New Materials Co., Ltd., Nanning 530100, ChinaQuicklime is not only an important raw material for the steel and nano-calcium carbonate industries but also a key carrier for capturing carbon dioxide in the fight against global warming, and its reaction activity plays a vital role in these processes. Recent studies have found that quicklime produced from limestones with similar chemical compositions under the same production process has significantly different reaction activities, which indicates that something other than the chemical composition of limestone affects quicklime reaction activity. To explore the factors affecting quicklime reaction activity, this study analyzed the textures and calcite particle size of limestone collected from different areas of Guangxi, China, and measures the quicklime reaction activity with different calcination times. It has been found that: (1) limestone with a clastic texture is preferred to that with a crystalline texture (including transition type) in yielding quicklime with higher reaction activity; and (2) for limestone with a clastic texture, fine-grained limestone tends to produce the same or higher quicklime reaction activity with lower energy consumption.https://www.mdpi.com/2075-163X/13/9/1201limestone textureparticle sizecarbon dioxide capturequicklime reaction activity
spellingShingle Minjie Zhu
Jing Wu
Zehao Yang
Yong Zhu
Quan Rong
Qingfu Wen
Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction Activity
Minerals
limestone texture
particle size
carbon dioxide capture
quicklime reaction activity
title Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction Activity
title_full Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction Activity
title_fullStr Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction Activity
title_full_unstemmed Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction Activity
title_short Effect of the Textures and Particle Sizes of Limestone on the Quicklime Reaction Activity
title_sort effect of the textures and particle sizes of limestone on the quicklime reaction activity
topic limestone texture
particle size
carbon dioxide capture
quicklime reaction activity
url https://www.mdpi.com/2075-163X/13/9/1201
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