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Surface textural changes during reaction of CaCO3 crystals with SO2 and O2 (air). 2. Large crystal faces, 670–1070 K

✍ Scribed by D. Carl Anderson; Peter Anderson; Andrew K. Galwey


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
882 KB
Volume
74
Category
Article
ISSN
0016-2361

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Surface textural changes during reaction
✍ D. Carl Anderson; Peter Anderson; Andrew K. Galwey 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 948 KB

The significant changes of surface texture in CaCO, crystallites due to reaction in an equimolar SO,-O2 mixture were examined by scanning electron microscopy. Surface modifications were extensive above 870 K, which is close to the temperature of CaCO, dissociation and of CaSO, oxidation. It appears

Surface textural changes during reaction
✍ D. Carl Anderson; Andrew K. Galwey 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 719 KB

The combustion of sulfur-containing coal particles on a calcium carbonate crystal results in retexturing of a neighbouring CaC03 (100) face. The structural modifications developed at the CaCO, crystal surface show similarities to those found after reaction of calcite in SO, and O2 (air). It is concl