Low temperature production of wollastonite from limestone and silica sand through solid-state reaction

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18 Citations (Scopus)

Abstract

Wollastonite was produced using solid-state reaction from limestone and silica sand. Limestone containing a high percentage of CaO (55.10%) and silica sand with 99% SiO2 were used as starting materials. The ratios of limestone/sand used were 1:1, 2:1 and 3:1 with various firing temperatures, namely 1100, 1200, 1300, 1400 and 1450°C. The raw materials and fired products were characterised for mineral phases, chemical composition of content such as CaO, SiO2 and loss on ignition (LOI), density and microstructure. CaSiO3 with an α-phase was detected at firing temperatures as low as 1300°C, together with olivine and quartz phases, obtained from a 1:1 ratio. No α-CaSiO3 was detected for 2:1 and 3:1 ratios; only olivine and larnite phases were present. The density of the product was 2.93gcm-3, which is close to the theoretical value, with a specific surface area of 3.23m2g-1. This study shows that the Malaysian limestone and silica sand can produce good properties of wollastonite materials.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalJournal of Asian Ceramic Societies
Volume2
Issue number1
DOIs
Publication statusPublished - 2014

Fingerprint

Low temperature production
Silica sand
Calcium Carbonate
Limestone
Solid state reactions
Olivine
Quartz
Specific surface area
Minerals
Ignition
Raw materials
Sand
Temperature
Microstructure
calcium silicate
Chemical analysis

Keywords

  • Limestone
  • Silica sand
  • Solid-state reaction
  • Wollastonite

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

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title = "Low temperature production of wollastonite from limestone and silica sand through solid-state reaction",
abstract = "Wollastonite was produced using solid-state reaction from limestone and silica sand. Limestone containing a high percentage of CaO (55.10{\%}) and silica sand with 99{\%} SiO2 were used as starting materials. The ratios of limestone/sand used were 1:1, 2:1 and 3:1 with various firing temperatures, namely 1100, 1200, 1300, 1400 and 1450°C. The raw materials and fired products were characterised for mineral phases, chemical composition of content such as CaO, SiO2 and loss on ignition (LOI), density and microstructure. CaSiO3 with an α-phase was detected at firing temperatures as low as 1300°C, together with olivine and quartz phases, obtained from a 1:1 ratio. No α-CaSiO3 was detected for 2:1 and 3:1 ratios; only olivine and larnite phases were present. The density of the product was 2.93gcm-3, which is close to the theoretical value, with a specific surface area of 3.23m2g-1. This study shows that the Malaysian limestone and silica sand can produce good properties of wollastonite materials.",
keywords = "Limestone, Silica sand, Solid-state reaction, Wollastonite",
author = "{Abd Rashid}, Rashita and Roslinda Shamsudin and {Abdul Hamid}, {Muhammad Azmi} and {Jalar @ Jalil}, Azman",
year = "2014",
doi = "10.1016/j.jascer.2014.01.010",
language = "English",
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pages = "77--81",
journal = "Journal of Asian Ceramic Societies",
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TY - JOUR

T1 - Low temperature production of wollastonite from limestone and silica sand through solid-state reaction

AU - Abd Rashid, Rashita

AU - Shamsudin, Roslinda

AU - Abdul Hamid, Muhammad Azmi

AU - Jalar @ Jalil, Azman

PY - 2014

Y1 - 2014

N2 - Wollastonite was produced using solid-state reaction from limestone and silica sand. Limestone containing a high percentage of CaO (55.10%) and silica sand with 99% SiO2 were used as starting materials. The ratios of limestone/sand used were 1:1, 2:1 and 3:1 with various firing temperatures, namely 1100, 1200, 1300, 1400 and 1450°C. The raw materials and fired products were characterised for mineral phases, chemical composition of content such as CaO, SiO2 and loss on ignition (LOI), density and microstructure. CaSiO3 with an α-phase was detected at firing temperatures as low as 1300°C, together with olivine and quartz phases, obtained from a 1:1 ratio. No α-CaSiO3 was detected for 2:1 and 3:1 ratios; only olivine and larnite phases were present. The density of the product was 2.93gcm-3, which is close to the theoretical value, with a specific surface area of 3.23m2g-1. This study shows that the Malaysian limestone and silica sand can produce good properties of wollastonite materials.

AB - Wollastonite was produced using solid-state reaction from limestone and silica sand. Limestone containing a high percentage of CaO (55.10%) and silica sand with 99% SiO2 were used as starting materials. The ratios of limestone/sand used were 1:1, 2:1 and 3:1 with various firing temperatures, namely 1100, 1200, 1300, 1400 and 1450°C. The raw materials and fired products were characterised for mineral phases, chemical composition of content such as CaO, SiO2 and loss on ignition (LOI), density and microstructure. CaSiO3 with an α-phase was detected at firing temperatures as low as 1300°C, together with olivine and quartz phases, obtained from a 1:1 ratio. No α-CaSiO3 was detected for 2:1 and 3:1 ratios; only olivine and larnite phases were present. The density of the product was 2.93gcm-3, which is close to the theoretical value, with a specific surface area of 3.23m2g-1. This study shows that the Malaysian limestone and silica sand can produce good properties of wollastonite materials.

KW - Limestone

KW - Silica sand

KW - Solid-state reaction

KW - Wollastonite

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