The ability of making slurry with naphthalenesulfonic acid-formaldehyde condensate (NSF) as additive for coal water slurry (CWS) and the improvement of its effect were studied.

• 摘要研究了具有不同缩合度值的水煤浆添加剂萘磺酸钠甲醛缩合物(NSF)与不同煤化程度煤的制浆效果以及NSF效能提高。