Introduce Na 2 CO 3 as the activating agent and sulphuric acid as the lixiviant.
选用Na_2CO_3为活化剂,确定了合理的活化条件.
Development and application of a diluter for low-level heat recovery in sulphuric acid plants are described.
介绍硫酸装置低温热回收系统中稀释器的开发与应用.
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