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application of caustic soda on environment preservation

Started by ABM Nazmul Islam, October 25, 2014, 01:10:59 PM

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ABM Nazmul Islam

October 25, 2014, 01:10:59 PM
Sodium hydroxide  reacts with acidic oxides, such as sulfur dioxide. Such reactions are often used to "scrub" harmful acidic gases (like SO2 and H2S) produced in the burning of coal and thus prevent their release into the atmosphere. For example,
2 NaOH + CO2 → Na2CO3 + H2O
ABM Nazmul Islam

Lecturer
Dept. of Natural Science
Daffodil Int. University, Dhaka, Bangladesh
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