Part of a silica process is outlined in the following steps: 1. Heat 15 mol% soda-85 mol%
Question:
Part of a silica process is outlined in the following steps:
1. Heat 15 mol% soda-85 mol% silica to 1800°C.
2. Cool to 1200°C.
3. At constant temperature, increase soda content to 25 mol%.
4. Cool to 1000°C.
5. At constant temperature, increase soda content to 35 mol%.
What, if any, solids are formed during this process? See Figure 15-17.
Transcribed Image Text:
Temperature (°C) 1800 1600 1400 1200 1000 800 SiO₂ L + tridymite 10 L + cristobalite L Na₂O +2SiO₂ 20 30 Mole percent Na₂O 40
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Based on the information given we can use the silicasoda phase diagram in Figure 1517 to determine w...View the full answer
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Related Book For
The Science And Engineering Of Materials
ISBN: 9781305076761
7th Edition
Authors: Donald R. Askeland, Wendelin J. Wright
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