[Soda Ash Knowledge] Daily Question (74) 2009.12.16
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True or False questions: 1. Excessive air flow can lead to an increase in carbon dioxide concentration ( ). 2. Limestone has a high content of calcium carbonate and few impurities, allowing its calcination temperature to reach 1300 degrees ( ). 3. The temperature of the gas exiting the lime kiln is between 80–140 degrees ( ). 4. To burn 1 ton of 100% calcium carbonate, approximately 300 cubic meters of air are needed ( ). Please hide your responses; no scoring will be given if they are not hidden. Specific hiding method: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8
1. Excessive air flow can lead to an increase in carbon dioxide concentration (F). 2. Limestone contains a high amount of calcium carbonate with few impurities, and its calcination temperature can reach 1300 degrees (T). 3. The temperature of the gas exiting the lime kiln is between 80–140 degrees (T). 4. To burn 1 ton of 100% calcium carbonate, approximately 300 cubic meters of air are needed (T) 1# chen3jun
1. Wrong 2. Right 3. Right 4. Wrong
1、Wrong 2、Right 3、Right 4、Wrong
1# chen3jun FFFT