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给出了用不同粘合剂制备颗粒状腐植酸的试验结果。研究表明，腐植酸钠作为造粒的粘合剂，具有良好的综合指标。当其加入量为腐植酸含量的４％－５％时，颗粒状腐植酸制成品抗冲击指数达到８２％以上，磨损指数低于８８％。
The experimental results of preparing granular humic acid with different binders are given. Studies have shown that sodium humate as a granulated binder, has a good comprehensive index. When the amount of humic acid is 4% -5%, the manufactured humic acid product has the anti-impact index of more than 82% and the wear index of less than 88%.