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单词 Wellman–Lord process
释义
Wellman–Lord process

Chemical Engineering
  • A process used for flue gas desulphurization. Sulphur dioxide in the flue gas is absorbed in sodium sulphite in a wet spray scrubber column forming sodium bisulphite:

    Na2SO3+H2O+SO22NaHSO3

    The solution is regenerated by heating the solution to release the sulphur dioxide and then either collected or used in the production of sulphuric acid. The sodium sulphite is returned to the process.


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