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    • ClassTitle:Chemical Engineering
      Overview:This project paper sludge as a raw material, after pretreatment by air classifying crushed dried lignocellulose processing production, mineral powder or composite fiber material.
    • ClassTitle:Chemical Engineering
      Overview:Sodium sulfite, sodium sulfite common, can be used in the organic chemicals industry, the food, printing and dyeing industry, bleaching agent, also used in pharmaceutical synthesis
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