The paper illustrates the comparison test made on industrially often used sodium silicate and hexametaphosphate as a depressant for preparation of clean coal under same lab test condition.

 
  • 采用太西煤制备洁净煤,在相同实验室试验条件下,分别利用工业上较为常用的抑制剂水玻璃和六偏磷酸钠作抑制剂进行对比试验,结果表明,六偏磷酸钠的抑制效果明显优于水玻璃。
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