GB 21257-2007
AbolishedThe norm of energy consumption per unit product of caustic soda
烧碱单位产品能源消耗限额
Application Summary AI generated
GB 21257-2007 specifies the allowable values and energy consumption limits per unit product for caustic soda (sodium hydroxide) production, covering both diaphragm and ion-exchange membrane processes. It is applied in the Chinese chemical industry to regulate and audit energy efficiency in caustic soda manufacturing plants, serving as a mandatory standard for production licensing and energy conservation assessments.
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